Practice Test

Q1) In terms of magnetic properties, oxygen belongs to Show Answer

Q2) An objects is placed at the focus of a concave mirror. The image will be Show Answer

Q3) Which of the following statements given below is correct in the respect of a geostationary satellite? Show Answer

Q4) In general what is the range of frequency of the "Message Signal"? Show Answer

Q5) Gravitational force shares a common feature with electromagnetic force. In both cases, the force is Show Answer

Q6) Which one of the following phenomena shows particle nature of light? Show Answer

Q7) What is the function of a microphone? Show Answer

Q8) Why is it difficult to transmit audio signals directly ? Show Answer

Q9) Which one of the following pairs of physical quantities may be represented in the same unit? Show Answer

Q10) The spread in colours in a rainbow on sky is primarily due to Show Answer

Q11) A cold soft drink is kept on balance. when the cap is opened, then the weight Show Answer

Q12) Optical fibre mainly used in communication is based on Show Answer

Q13) A solid sphere,disc and solid cylinder all of same mass and made of same material are allowed to roll down (from rest) on incline plane then Show Answer

Q14) When a red glass is heated in dark room it will seem Show Answer

Q15) Insects are able to run on the surface of water because Show Answer

Q16) Cryogenic engines find application in Show Answer

Q17) Why is it easier to swim in sea water? Show Answer

Q18) If there were no gravity, which of the following will not be there for a fluid? Show Answer

Q19) In scuba diving, while ascending towards the water surface, there is a danger of bursting the lungs. It is because Show Answer

Q20) The celsius temperature is/an Show Answer

Q21) If the spinning speed of the earth is increased then the weight of body at the equator Show Answer

Q22) When the light is passed through a prism, the color which deviates least is Show Answer

Q23) Two balloons are blown into spherical shape of unequal size and are connected through a narrow tube. Then what will observe? Show Answer

Q24) Which of the following cannot be emitted by radioactive substances during their decay? Show Answer

Q25) For which one of the following is capillary not the reason only? Show Answer

Q26) The focal length of convex lens is Show Answer

Q27) An athlete diving off high springboard can perform a variety of exercise in the air before entertaining the water body. Which one of the following parameters will remain constant during the fall? Show Answer

Q28) A body lying at rest suddenly breaks into two parts of equal masses which starts moving. The parts will move in Show Answer

Q29) Now a day, most of buildings are made by having at least two layers of walls with a gap in between. Because Show Answer

Q30) If two conducting spheres are separately charged and then brought in contact Show Answer

Q31) In the electric supply lines in India, which parameter is kept constant? Show Answer

Q32) Which one of the following is used to determine the age of human fossils ? Show Answer

Q33) A person is standing on a rotating stool spreading his arms. What will happen if he suddenly contracts his arms? Show Answer

Q34) A micro wave oven uses wave with a Show Answer

Q35) How is the pressure cooker work? Show Answer

Q36) Which type/types of pen uses/use capillary action in addition to gravity for flow of ink? Show Answer

Q37) Which waves are used in sonography? Show Answer

Q38) Two thin wooden sticks are floating on the surface of water close to each other. A hot needle touches the water between them. How will the sticks react to it? Show Answer

Q39) Why is the machine function well with lubricant? Show Answer

Q40) The blue color of the sky is due to the phenomenon of Show Answer

Q41) A thin pin of iron can be made to float on water-drinking in a bowl. The phenomenon is due to the Show Answer

Q42) What enables us to write on the black board with chalk? Show Answer

Q43) A truck and a car are moving with equal velocity. On applying the brake both will stop after certain distance then which of the following statements is correct? Show Answer

Q44) Soap helps in the cleaning of clothes because Show Answer

Q45) Which of the following pairs of rays is electromagnetic in nature? Show Answer

Q46) You placed a car in an open a parking area in a summer day. After a few hours, you noticed that the heat is trapped inside the car. This phenomenon is known as Show Answer

Q47) During wind storm, the roofs of houses covered with GI Sheets may be blown off because Show Answer

Q48) When you pull out the plug connected to an electric appliance, you will often observe a spark. To which property of the appliance is this related? Show Answer

Q49) A mirror produces magnified erect image of an object. The nature of the mirror is Show Answer

Q50) A coin immersed in water pond appears to be raised when view from the top. What is this due to? Show Answer

Q51) A radar beam is sent onto a moving aeroplane in opposite direction of its approach. In which of these ways it will be effected? Show Answer

Q52) Which of the following can convert the alternating current into direct current? Show Answer

Q53) Who among the following received Noble prize twice for the same subject? Show Answer

Q54) The phenomenon of bursting of hydrogen balloon is based on Show Answer

Q55) In the winter, we get warmer by using two blankets instead of one, why? Show Answer

Q56) Hair of a shaving brush cling together when the brush is removed from water due to Show Answer

Q57) When light enters from air to water, then its Show Answer

Q58) Telescopes are placed in space to view distant galaxies primarily to Show Answer

Q59) The temperature of a body is an indicator of Show Answer

Q60) When a ball drops onto the floor it bounces. Why does it bounce? Show Answer

Q61) Which one of the following has given the centripetal force for a car moving on a road? Show Answer

Q62) Ball bearings are used in bicycles, cars, etc., because Show Answer

Q63) Which one the following forces lead to separation of the cream from the churned milk? Show Answer

Q64) Which one is not produce by sound waves in air? Show Answer

Q65) The cat survive fall from a height much more than human or any other animal. It is because the cat Show Answer

Q66) The blackboard seems black because it Show Answer

Q67) Mirage is a phenomenon due to Show Answer

Q68) When the matter is cooled to very low temperature, it will form Show Answer

Q69) Which one of the following will have the maximum cohesive force? Show Answer

Q70) When a horse pulls a cart, the force that makes the horse run forward is the force exerted by Show Answer

Q71) Stars are twinkling due to Show Answer

Q72) Which one of the following statements is correct? A slab of ice kept in a room, Show Answer

Q73) If we move from equator to pole, the value of g Show Answer

Q74) Two atoms are said to be isotopes if Show Answer

Q75) Which one of the following chemical compounds is responsible for the stimulation of tear glands by the onion? Show Answer

Q76) The hair dye available in the market contains two bottles, one containing dye and other containing hydrogen peroxide. The bottles are mixed before applying the dye. The function of hydrogen peroxide is Show Answer

Q77) Liquid sodium is used for the heat transfer medium in some of nuclear reactor because Show Answer

Q78) If four balloons A, B, C and D are filled with hydrogen, oxygen, helium and nitrogen gases respectively and left in air, which balloon reaches to the highest distance from the Earth? Show Answer

Q79) Natural Opal which is commonly used as gemstones in many countries is mainly Show Answer

Q80) Which one of the following compounds is frequently found packed with drying tubes? Show Answer

Q81) Which one of the following pairs of metals is present in the cytochrome-c and chlorophyll respectively? Show Answer

Q82) Which one among the following is not a greenhouse gas? Show Answer

Q83) 'Freon' used as refrigerants is chemically known as Show Answer

Q84) Which one among the following salts causes hardness to the water? Show Answer

Q85) What is the jeweller's rouge? Show Answer

Q86) Guncotton is used as a propellant or low-order explosive. Chemically the gun cotton is Show Answer

Q87) Why hard water does not give lather with soap? Show Answer

Q88) What is the purpose of adding banking soda to dough? Show Answer

Q89) Which one of the following is correct? Butter is Show Answer

Q90) The bonding between the nitrogenous bases of one strand with another strand of DNA is done by Show Answer

Q91) Many communities put salt on their roads after a snowfall, why? Show Answer

Q92) Which one of the following is an element? Show Answer

Q93) The rusting of iron nail Show Answer

Q94) Which one of the following is correct? Setting of plaster of Paris is Show Answer

Q95) Which of the following pairs of chemical compounds has the potential for carbon capturing by chemical process to reduce the global warming? Show Answer

Q96) When the fats are reacted with alkali, they form 'soaps'. The type of reaction taking place in the formation of soaps is called Show Answer

Q97) Which one of the following is involved for desalination of sea water? Show Answer

Q98) Which one of the following when dissolved in water give hissing sound? Show Answer

Q99) Commercially vulcanisation of rubber involves Show Answer

Q100) Nail polish remover contains Show Answer

Q101) Which one of the following is the important ore of magnesium? Show Answer

Q102) Vinegar is used as a condiment, and in the pickling of vegetables and other foods. What is the constituent of vinegar? Show Answer

Q103) What is the role of positive catalyst in a chemical reaction? Show Answer

Q104) What type of reaction is carried out by the lipase in the digestion of fats? Show Answer

Q105) Which allotropy of carbon is in rigid three-demensional structure? Show Answer

Q106) 'Misch metal' is widely used in the manufacture of which of the following? Show Answer

Q107) Which one of the following is used to measure the performance of a motor or gasoline, an aviation fuel? Show Answer

Q108) The quality of diesel oil for use in diesel engines is determined by the Show Answer

Q109) Which one among the following metals is used in fireworks to make a brilliant white light? Show Answer

Q110) Which one of the following is the softest? Show Answer

Q111) Which one of the following is associated with the formation of brown air in traffic congested cities? Show Answer

Q112) Which of the following is not a natural polymer? Show Answer

Q113) Which one of the following is the hardest alkali metal? Show Answer

Q114) A polymer which is used for making ropes and carpet fibers is Show Answer

Q115) Which one of the following is used in the preparation of antiseptic solution? Show Answer

Q116) The gas used in refrigerator is Show Answer

Q117) If a limestone piece is dipped in water, bubbles evolve. The bubbling is due to Show Answer

Q118) Which one among the following is the metallurgical operation in which a metal is obtained in a fused state? Show Answer

Q119) Which one among the following agents is added to domestic LPG cylinder to help in the detection of gas leakage? Show Answer

Q120) Sodium stearate is a salt and is used Show Answer

Q121) At the very low temperature, ice forms Show Answer

Q122) The light emitted by firefly is due to Show Answer

Q123) The flavor of apple is mainly due to which one of the following? Show Answer

Q124) How does the 'hypo' used in photography? Show Answer

Q125) The pungent smell of garlic is due to Show Answer

Q126) Which one among the following is the chief compound used in Pepper spray, a riot control agent? Show Answer

Q127) Which one of the following is used as an anti-freezer, which effectively depresses the freezing point of water in an automobile? Show Answer

Q128) Which is 'Agent orange'? Show Answer

Q129) A person is weak, sterile and has very poor eyesight. These are the symptoms because of a pollutant Show Answer

Q130) Silicon carbide (SiC) is known as Show Answer

Q131) Which one among the following polymers is used to make personal armour such as combat helmets, ballistic face masks, and ballistic vests? Show Answer

Q132) From which one among the following water source, the water is likely to be contaminated with fluorine? Show Answer

Q133) Which of the following is correct for the semiconductor? Show Answer

Q134) In modern days, which one of the following chemical compounds is used for the hair setting in beauty parlour/salon? Show Answer

Q135) The bleaching action of chlorine occurs in the presence of Show Answer

Q136) Which one of the following petroleum refinery products has the lowest boiling point? Show Answer

Q137) Shallow lake with rich organic products are called Show Answer

Q138) The ultra pure metal is obtained by Show Answer

Q139) The coil in a heater is made of Show Answer

Q140) Which one among the following statements is correct? Show Answer

Q141) Contact lenses are made from Show Answer

Q142) The Fehlling's solution is used for the detection of Show Answer

Q143) Metal used to make wires for safety fuses must have Show Answer

Q144) Which one of the following is used to slow down the speed of the neutrons in the nuclear reactor? Show Answer

Q145) Vermicompost is a/an Show Answer

Q146) A person passes much urine and drinks much water but his blood glucose level is normal. This condition may be due to Show Answer

Q147) Which of the following gland atrophies at the age of 15-17 years in man? Show Answer

Q148) Which one of the following sets contains polysaccharides? Show Answer

Q149) Haem is the important biologically in the myoglobin, which is used to store Show Answer

Q150) Sun loving plants are Show Answer

Q151) The energy currency of our cell/body is Show Answer

Q152) Which one among the following animals is without the bone-marrow? Show Answer

Q153) Ecology takes into account of Show Answer

Q154) The urine sample of a diabetic patient contains Show Answer

Q155) Which of the following vitamin is helpful for treatment of viral infection? Show Answer

Q156) Which of the following hormones given below regulate the calcium level in our blood? Show Answer

Q157) The tusks of the elephants are modified Show Answer

Q158) Which of the following vitamins is required for the maturation of erythrocytes in human beings? Show Answer

Q159) Plants genes of endangered species are stored in Show Answer

Q160) The acidic character of DNA and RNA are due to Show Answer

Q161) Which one among the following is activated in stress conditions? Show Answer

Q162) Which of the following continent is known as the 'Bird continent'? Show Answer

Q163) Human blood is a viscous fluid. This viscosity is due to Show Answer

Q164) RNA differs from DNA in having Show Answer

Q165) Removal of thymus gland in the early life of an experimental mammal will cause Show Answer

Q166) Who is the father of Binomial nomenclature of organisms? Show Answer

Q167) What is the cause of Addison's disease? Show Answer

Q168) The nucleosome is Show Answer

Q169) Which of the following is the correct sequence according to an increase in diversity amongst the organisms? Show Answer

Q170) Which of the following groups contain only true fishes? Show Answer

Q171) What would happen if human blood becomes acidic (low pH)? Show Answer

Q172) When an aeroplane take off, some occupants often feel pain in the region of ears. This is because Show Answer

Q173) Milk is unique in its nutritive value. However, it is a poor source of Show Answer

Q174) Which one among the given hormones is jocularly termed as a 'jack-of-all-trade'? Show Answer

Q175) The term meiosis was coined by Show Answer

Q176) The receptors for bitter taste are located at which part of tongue? Show Answer

Q177) Which one among the following nontoxic gases helps in formation of enzymes which ripen fruit? Show Answer

Q178) Which one among the following statements about blood transfusion is correct? Show Answer

Q179) Which one among the following is responsible for provide balance in human beings? Show Answer

Q180) Which one among the following gases readily combines with the haemoglobin of the blood? Show Answer

Q181) The virus was discovered by Show Answer

Q182) The ultimate cause of water movement in a plant stem against gravity is Show Answer

Q183) Father of biology is Show Answer

Q184) The yellow and orange color of fruits and flowers are mainly due to Show Answer

Q185) The golgi bodies very common in the secretory cells are originate from Show Answer

Q186) Which among the following gland is known as "Clockwork gland" of human beings? Show Answer

Q187) The corpus callosum is absent in which one among the following animals? Show Answer

Q188) Organisms free floating on the surface of water body are Show Answer

Q189) The respiratory centre, which regulates respiration in men is located in Show Answer

Q190) Dual Energy X-ray Absorption tiometry (DEXA) is used to measure Show Answer

Q191) In ferns, the meiosis occursed before the formation of Show Answer

Q192) Which one of the glands in human body produces the growth hormone (somatotrophin)? Show Answer

Q193) Otolith found in the inner ear of man is chemically Show Answer

Q194) Presence of many embryos is a characteristic feature of Show Answer

Q195) The spindle fibers are mostly composed of Show Answer

Q196) Which of the following is used in the production of yogurt? Show Answer

Q197) The function of antennae found in cockroach is Show Answer

Q198) Which of the following hormones is involved in the formation and maturation of RBCs? Show Answer

Q199) Which of the following should a man consume if he lacks rhodopsin in his eyes? Show Answer

Q200) Which one among the following is a major source of sugar? Show Answer

Q201) If a man of blood group 'A' marries a woman of blood group 'B' their children can be of the blood group Show Answer

Q202) The neurogenic heart is the characteristic feature of Show Answer

Q203) Which among the following hormones can be used in the treatment of diabetes insipidus? Show Answer

Q204) The heart sound murmurs are heard during Show Answer

Q205) Which one among the following is the rarest type of WBC in the human blood? Show Answer

Q206) The pH of fresh milk is 6. When it turn sour, the pH Show Answer

Q207) The secretory product pectin of cell wall is chemically a Show Answer

Q208) The root system of plants grows out from the Show Answer

Q209) Which of the following animal is used to prepare the vaccine against mycobacterium leprae? Show Answer

Q210) The beverage 'coconut milk' of green coconut is the Show Answer

Q211) Which one among the following hormones stimulates the plant cells to grow in a manner such that the plant appears to be bent towards light? Show Answer

Q212) Which among the following hormones is known as the Emergency hormone? Show Answer

Q213) The mad-cow disease in cattles is caused by Show Answer

Q214) Cancer is more common in older people because Show Answer

Q215) Which one among the following is the rarest amino acid in nature? Show Answer

Q216) Which one among the following organisms is found in the gut of termites which feed on wood? Show Answer

Q217) The "pond bloom" of blue green algae which causes the death of fishes and cattles produces the toxins of Show Answer

Q218) The vitamin which is very liable and easily destroyed during cooking as well as storage is Show Answer

Q219) The main thinking part of the brain is Show Answer

Q220) Chemically silk fibers are predominantly Show Answer

Q221) To which one of the following types of organisms do mushrooms belong? Show Answer

Q222) Which among the following commercial form of hormones can include "labour" in the pregnant woman? Show Answer

Q223) Which one among the following hormones is the 'stress hormone' of plants? Show Answer

Q224) Eating of raw fish can cause deficiency of Show Answer

Q225) The cuckoo birds never build their own nests but the female lays eggs in the nest built by other smaller birds. The relationship is Show Answer

Q226) The richest source of vitamin A are Show Answer

Q227) Which of the vitamins is essential for the red blood cell formation? Show Answer

Q228) Which among the following is the richest source of ascorbic acid? Show Answer

Q229) When a color blind male marries a normal woman not carrying the gene for color blindness, their offspring will be Show Answer

Q230) Which of the following vector spreads the kala-azar in human beings? Show Answer

Q231) Mosquito can be a vector for following diseases expect Show Answer

Q232) In humans, which one among the following, with reference to breathing, is correct? Show Answer

Q233) Which of the following commercial form of hormone is used in sterile cows to include lactation? Show Answer

Q234) Which one among the following produces the largest sperm in the plant kingdom? Show Answer

Q235) Leishmania, the causative agent of kala-azar, multiplies asexually by Show Answer

Q236) The technique of the development of fruits without fertilization is known as Show Answer

Q237) Which of the following is not present in prokaryotes? Show Answer

Q238) In a particular disease, the woman may possess male like characters like beards and moustaches.This happens because of Show Answer

Q239) Which one of the following sets of elements was primarily responsible for the origin of life on the Earth? Show Answer

Q240) Which among the following endocrine glands is temporary lasts only for a limited period? Show Answer

Q241) The largest amount of physical and chemical molecules present in the cells is Show Answer

Q242) In human body, the pancreas secrets its enzymes into which one of the following? Show Answer

Q243) If a man is starving and also without beverages, there will be Show Answer

Q244) Which among the following is the first hormone produced by genetic engineering? Show Answer

Q245) Which of the following are the "amphibians " of plant kingdom? Show Answer

Q246) Which one among the following is known as "animal starch"? Show Answer

Q247) The vitamin which is generally excreted by humans in urine is Show Answer

Q248) The unit structure of genes is made up of Show Answer

Q249) What is the amount of blood filtered by the kidney within a minute? Show Answer

Q250) Which of the following organism does not obey the 'cell theory'? Show Answer

Q251) Which are among the following organs is involved in the conversion of ammonia, the main end product of protein digestion to excretory product urea? Show Answer

Q252) Which of the following vitamins is considered to be a para-thormone? Show Answer

Q253) Which of the following imparts yellow color to urine in humans? Show Answer

Q254) Before X-ray examination (coloured X-ray) of the stomach, patients are given suitable salt of barium because Show Answer

Q255) The macro nutrients provided inorganic fertilizers are Show Answer

Q256) Which one among the following vitamins is necessary for blood clotting? Show Answer

Q257) How do marine animals survive in water without air contact? Show Answer

Q258) The most advanced evolutionary influorescent is found in Show Answer

Q259) Kidney stones are mainly formed by which of the following compound Show Answer

Q260) Potatoes are borne on Show Answer

Q261) Which one among the following has haustoria or sucking roots? Show Answer

Q262) The phylloclade commonly found in xerophytic plants is the modified Show Answer

Q263) Which one among the following is the largest edible bud found in nature? Show Answer

Q264) The fruit after ripening becomes soft. It is due to Show Answer

Q265) Which one among the following parts of castor seed yields oil? Show Answer

Q266) Which one of the following is responsible for the working of Newton's colour disc experiment? Show Answer

Q267) Who is the founder of quantum theory of radiation? Show Answer

Q268) Fiber optics cable used in communication, works on the principle of Show Answer

Q269) The outer skin most of the crustaceans are made up of a carbohydrate. This carbohydrate is Show Answer

Q270) Rutherford's scattering experiment proved the presence of Show Answer

Q271) When a metal is heated in a flame, the electrons absorb energy and jump to higher energy state. On coming back to the lower energy state, they emit light, which we can observe in Show Answer

Q272) Which one of the following is deviated by an electric field ? Show Answer

Q273) Which one of the following is derived by an electric field ? Show Answer

Q274) Which of the following has the least penetrating power ? Show Answer

Q275) Which one of the following is the reason for keeping the chloroform in brown-tinted glass containers ? Show Answer

Q276) Which one of the following oxides is the most abundant in earth crust ? Show Answer

Q277) Aqua - regia used by alchemist to separate silver and gold is a mixture of Show Answer

Q278) Mass is the measure of Show Answer

Q279) The mass is measured by Show Answer

Q280) A hydrometer is used to measure Show Answer

Q281) Among the following the derived quantity is Show Answer

Q282) The SI unit of current is Show Answer

Q283) One micron equals to Show Answer

Q284) The SI unit of density Show Answer

Q285) Which of the following is not a fundamental unit? Show Answer

Q286) The unit of ________ is a derived unit Show Answer

Q287) The SI unit of weight is Show Answer

Q288) When a substance is heated its density Show Answer

Q289) In SI units, candela is the unit of Show Answer

Q290) Practical unit of heat is Show Answer

Q291) If force and displacement of particle in direction of force are doubled. Work would be Show Answer

Q292) If velocity of a body is twice of previous velocity, then kinetic energy will become Show Answer

Q293) The unit of work is Show Answer

Q294) 1 kilowatt hour is equal to Show Answer

Q295) when a stone is thrown upward to a certain height, it possesses Show Answer

Q296) A fast wind can turn the blades of a windmill because it possesses Show Answer

Q297) Splitting of Uranium nucleus releases Show Answer

Q298) A bullet fired from a gun possesses Show Answer

Q299) Potential energy of your body is minimum when you Show Answer

Q300) Work is defined as Show Answer

Q301) The SI unit of energy is Show Answer

Q302) What is the sign of the work performed on an object in uniform circular motion? Show Answer

Q303) What is the magnitude of the work done by a force acting on a particle instantaneously? Show Answer

Q304) Energy is measured in the same units as Show Answer

Q305) The units of power are defined as Show Answer

Q306) The potential energy is always the same for an object with the same Show Answer

Q307) The sum of potential and kinetic energy is always Show Answer

Q308) The sum of the change in kinetic and potential energy is always Show Answer

Q309) The potential energy of gravity is defined as Show Answer

Q310) If the K.E. of a body is increased by 300%, its momentum will increase by Show Answer

Q311) Two masses m and 9 m are moving with equal kinetic energies. The ratio of the magnitudes of their momenta is Show Answer

Q312) Kinetic energy is proportional to Show Answer

Q313) When a gas is compressed, its pressure Show Answer

Q314) If the weight of a body is more than the weight of the liquid displaced by it, then the body may Show Answer

Q315) The thrust is expressed in Show Answer

Q316) When pressure exerted on an enclosed liquid or gas at rest, is transmitted equally in all the directions, is in accordance with Show Answer

Q317) Purity of a metal can be determined with the help of Show Answer

Q318) If both the mass and the velocity of a body is increased to twice of their magnitude, the kinetic energy will increase by Show Answer

Q319) Two bodies kept at a certain distance feel a gravitational force F to each other. If the distance between them is made double the former distance, the force will be Show Answer

Q320) Stationary wave is formed by Show Answer

Q321) The force of attraction between the molecules is maximum Show Answer

Q322) The liquid used in a simple barometer is Show Answer

Q323) Surface tension is due to Show Answer

Q324) When there is no external force, the shape of a liquid drop is determined by Show Answer

Q325) A pin or a needle floats on the surface of water, the reason for this is Show Answer

Q326) The volume of the certain mass of a gas, at constant temperature is Show Answer

Q327) Atmospheric pressure is measured by Show Answer

Q328) Surface tension of a liquid is due to force of molecules of the liquid Show Answer

Q329) The S.I. unit of heat energy is Show Answer

Q330) 1 calorie equals to Show Answer

Q331) Heat capacity equal to Show Answer

Q332) A and B are two bodies. The temperature of A is greater than that of B. The heat will flow Show Answer

Q333) When salt is properly mixed with ice, the melting point of ice Show Answer

Q334) Sound is produced when objects Show Answer

Q335) The sound travels fastest in Show Answer

Q336) The unit to measure intensity of sound is Show Answer

Q337) Echo is a type of Show Answer

Q338) Sound cannot travel though Show Answer

Q339) One hertz is equivalent to Show Answer

Q340) The unit of frequency of sound is Show Answer

Q341) Speed of sound at constant temperature depends on Show Answer

Q342) The waves in which the particles of the medium vibrate in a direction perpendicular to the direction of wave motion is known as Show Answer

Q343) Ultrasonic wave have frequency Show Answer

Q344) To hear a distinct echo, the minimum distance of a reflecting surface should be Show Answer

Q345) In a long spring which of the following types of waves can be generated Show Answer

Q346) The unit of quantity on which loudness of sound depends is Show Answer

Q347) Light is a form of Show Answer

Q348) The white light consists of Show Answer

Q349) Light travels in a Show Answer

Q350) In a plane mirror the distance of an image is the Show Answer

Q351) A real, inverted and highly diminished image is formed by a convex lens when the object is placed at Show Answer

Q352) A spherical mirror whose inner hollow surface is the reflecting surface is a Show Answer

Q353) The lends used in spectacles for the correction of short-sightedness is Show Answer

Q354) When light splits by a glass prism into seven colours, the phenomenon is called Show Answer

Q355) The type of lens present in human eye is Show Answer

Q356) The image formed in a plane mirror is Show Answer

Q357) The type of lens used as a magnifying glass Show Answer

Q358) Which one of the following materials cannot be used to make a lens? Show Answer

Q359) The focal length of a concave mirror depends upon Show Answer

Q360) The radius of curvature of a plane mirror is Show Answer

Q361) Tick out the only wrong statements in the following Show Answer

Q362) If a real object is placed inside the focal point of concave mirror, the image is Show Answer

Q363) A person standing in-front of a mirror finds his image smaller than himself and erect. This implies the mirror is Show Answer

Q364) A solar eclipse is caused when the Show Answer

Q365) A ray from air enters water, then through a thick layer of glass placed below water. After passing though glass, it again comes out in air medium. Then final emergent ray will Show Answer

Q366) A lens produces a enlarged, virtual image. What kind of lens is it? Show Answer

Q367) Virtual images of object of the same size are formed by Show Answer

Q368) The splitting of white light into several colours on passing through a glass prism is due to Show Answer

Q369) Rainbow is formed due to combination of Show Answer

Q370) Myopia is due to Show Answer

Q371) Blue colour of sky is due to phenomenon of Show Answer

Q372) The human eye can focus objects at different distances by adjusting the focal length of the eye lens. This is due to Show Answer

Q373) The change in focal length of an eye lens is caused by the action of the Show Answer

Q374) Rainbow is caused due to Show Answer

Q375) In the visible spectrum the colour having the shortest wavelength is Show Answer

Q376) On entering a glass prism, sun rays are Show Answer

Q377) In case of hypermetropia Show Answer

Q378) Astigmatism can be corrected by Show Answer

Q379) The phenomenon of light in which light that strikes to smooth surface and thrown back into the same medium is called Show Answer

Q380) A man wearing glasses of focal length + 1 m cannot clearly see beyond one meter Show Answer

Q381) The image formed by convex lens in a simple microscope Show Answer

Q382) The mirror used in motor vehicles near the driver's seat is a Show Answer

Q383) Light waves Show Answer

Q384) The image formed by a convex spherical mirror is Show Answer

Q385) The term refraction of light is Show Answer

Q386) The absolute refractive index of a medium depends on Show Answer

Q387) A real image is formed by a convex mirror when the object is placed at Show Answer

Q388) Ability of the eye to see objects at all distances is called Show Answer

Q389) The point where the rays from a point object meet after reflection through a lens is called the Show Answer

Q390) The point where the rays from a point object meet after reflection through a lens, the white screen is at the Show Answer

Q391) The length of a wire is doubled and the radius is doubled. By what factor does the resistance change Show Answer

Q392) Kilowatt-hour is the unit of Show Answer

Q393) An electric bulb is filled with Show Answer

Q394) The unit of resistivity is Show Answer

Q395) If a wire is stretched to make its length three times, its resistance will become Show Answer

Q396) The resistivity of a wire depends on Show Answer

Q397) Which of the following statements does not represent Ohm's law Show Answer

Q398) Fleming's right hand rule is used to find the direction of the Show Answer

Q399) The unit of electrical power is Show Answer

Q400) The resistance of the human body (dry condition) is of the order of Show Answer

Q401) Certain substances loose their electrical resistance completely at super low temperature. Such substances are called Show Answer

Q402) Fuse wire is made of Show Answer

Q403) Which of the following terms does not represent electrical power in a circuit? Show Answer

Q404) Ampere-second stands for the unit of Show Answer

Q405) Coulomb is equal to Show Answer

Q406) The unit for specific resistance is Show Answer

Q407) The unit for electric conductivity is Show Answer

Q408) The filament of an electric bulb is of tungsten because Show Answer

Q409) The resistance of a thin wire in comparison of a thick wire of the same material Show Answer

Q410) The resistance of an ideal voltmeter is Show Answer

Q411) The reciprocal of resistance is Show Answer

Q412) When same charged bodies are brought nearer, these will show Show Answer

Q413) The flow of electrons (electric charge) is known as Show Answer

Q414) Electric current is measured by a device called Show Answer

Q415) When an electric current flows through a conductor, it produces heat. This effect is called Show Answer

Q416) Which has no importance for fuse wire Show Answer

Q417) The specific resistance of a wire varies with its Show Answer

Q418) The unit of specific resistance is Show Answer

Q419) How many electrons constitute a current of one micro-ampere Show Answer

Q420) Good conductors have many loosely bound Show Answer

Q421) The variable resistance is called Show Answer

Q422) If the length of a wire is doubled and its cross-section is also doubled, then the resistance will Show Answer

Q423) Instruments can be shielded form outside magnetic effects by surrounding them with Show Answer

Q424) The following is a pseudo-force Show Answer

Q425) The hydraulic brake used in automobiles is a direct application of Show Answer

Q426) Supersonic air planes create a shock wave called Show Answer

Q427) The danger signals are red while the eye is more sensitive to yellow because Show Answer

Q428) Gases are good conductors of electricity at Show Answer

Q429) Which one of the following atmospheric layers absorb ultraviolet rays of the sun? Show Answer

Q430) In nuclear reactions, there is conservation of Show Answer

Q431) Photoelectric effect is Show Answer

Q432) For a particle moving with a constant speed along a straight line PQ, the hodograph is Show Answer

Q433) The insulator from the following is Show Answer

Q434) The commonly used safety fuse wire is made of Show Answer

Q435) Plastics Show Answer

Q436) Synthetic fibers are also Show Answer

Q437) Which of the following is thermosetting plastics? Show Answer

Q438) Polycot is obtained by mixing Show Answer

Q439) Which of the following is the maximum number of electrons that can be present in M-shell? Show Answer

Q440) In an oxygen molecule, two atoms are united by Show Answer

Q441) The inert gas which is substituted for nitrogen in the air used by deep sea drivers for breathing is Show Answer

Q442) Polyvinyl chloride on burning give fumes of Show Answer

Q443) Which of the following is the best conductor of electricity Show Answer

Q444) Find the odd one Show Answer

Q445) Amides can be converted to amines by the reaction named Show Answer

Q446) The base used as an antacid is Show Answer

Q447) A process which is not helpful in the prevention of rusting of iron is Show Answer

Q448) Denatured alcohol Show Answer

Q449) Phenolics as pollutants can be removed from waste water by use of Show Answer

Q450) Metal reacts with oxygen to form Show Answer

Q451) The metal used to build bridges is Show Answer

Q452) Non-metallic oxide are Show Answer

Q453) Rusting of iron can be prevented by Show Answer

Q454) Which of the following is a good conductors of heat and electricity? Show Answer

Q455) Metals are Show Answer

Q456) Metals can be obtained economically from Show Answer

Q457) Which of the following have low melting and boiling points Show Answer

Q458) Brass contains Show Answer

Q459) Which is the purest commercial form of iron? Show Answer

Q460) In galvanization, iron is coated with Show Answer

Q461) Which one of the following is also known as solution? Show Answer

Q462) Which one of the following metals burn with a white dazzing light, with oxygen? Show Answer

Q463) Reduction of nitrates to ammonia can be achieved through one of the following methods Show Answer

Q464) The most affected sulphur containing amino acid by PAN is Show Answer

Q465) Which of the following has zero electron affinity? Show Answer

Q466) How do most insects respire? Show Answer

Q467) When a particle and an antiparticle come in contact with each other, they Show Answer

Q468) Complete hydrolysis of cellulose gives Show Answer

Q469) Zinc is Show Answer

Q470) The only non-metal that has luster is Show Answer

Q471) Which of the following is a liquid metal? Show Answer

Q472) The property of metals to be hammered into their sheets is called Show Answer

Q473) Select the metal that is soft Show Answer

Q474) The process of protecting iron, from rusting, by coating with zinc is called Show Answer

Q475) Graphite is a/an Show Answer

Q476) The white phosphorus is stored Show Answer

Q477) The chief ore of aluminium is Show Answer

Q478) Which is the best variety of coal? Show Answer

Q479) Which is a fossil fuel? Show Answer

Q480) Which of the following cells do not have a nucleus? Show Answer

Q481) Which cell organelle is known as the control center of the cell? Show Answer

Q482) Energy currency of the cell is Show Answer

Q483) Which of the following organelles are semi-autonomous organelle? Show Answer

Q484) In the mitochondrion energy is stored in the form of Show Answer

Q485) The site of protein synthesis in plants is the Show Answer

Q486) Synthesis of any protein in a cell is determined by Show Answer

Q487) The plasma membrane is Show Answer

Q488) A form of condensation that reduces visibility and causes breathing problems is Show Answer

Q489) The total population divided by available arable land area is referred to as Show Answer

Q490) Green glands are associated with Show Answer

Q491) During respiration, the gases enter into the blood and leave the same by the process of Show Answer

Q492) Heart is devoid of Show Answer

Q493) The soil salinity is measured by Show Answer

Q494) Which of the following is a fungal disease? Show Answer

Q495) Chickenpox is caused by Show Answer

Q496) The stability of a pond ecosystem depends on Show Answer

Q497) The main factor which determines the balance of nature is Show Answer

Q498) The golgi bodies are related to Show Answer

Q499) The most abundant compound in cytoplasm is Show Answer

Q500) Mitochondria usually occur in Show Answer

Q501) Which of the following is not a renewable resource? Show Answer

Q502) Which one of the following pairs is not correctly matched? Show Answer

Q503) Which of the following resources is renewable one? Show Answer

Q504) How many neck canal cells are found in the archegonium of a fern? Show Answer

Q505) Which angiosperm is vesselless? Show Answer

Q506) Myrmecology is study of Show Answer

Q507) HIV often changes is shapes due to the presence of an enzyme called Show Answer

Q508) The cells which are closely associated and interacting with guard cells are Show Answer

Q509) Conversion of starch to sugar is essential for Show Answer

Q510) Soil erosion can be prevented by Show Answer

Q511) Natural sources of air pollution are Show Answer

Q512) Which of the following Genetically Modified vegetable is recently being made available in Indian market? Show Answer

Q513) The smallest organelle in the cell is Show Answer

Q514) Cyanobacteria have Show Answer

Q515) Which of the following cellular components can be used to distinguish a prokaryotic cell from a eukaryotic cell? Show Answer

Q516) Active transport through the plasma membrane occurs through the action of Show Answer

Q517) The drainage pattern developed on folded sedimentary rock is termed as Show Answer

Q518) Water potential remains lowest in Show Answer

Q519) The free living bacterium in the soil which increases the yield of rice is Show Answer

Q520) The human body's largest blood vessel is Show Answer

Q521) In human body, which one of the following hormones regulates blood calcium and phosphate? Show Answer

Q522) Frontal cyclones occur characteristically in Show Answer

Q523) Each body segment of Earthworm is called Show Answer

Q524) The outermost boundary of an animal cell is the Show Answer

Q525) The energy necessary for active transport across cytoplasmic membranes is believed to come from Show Answer

Q526) The cell membrane is composed primarily of Show Answer

Q527) The cell's "garbage disposals" are the Show Answer

Q528) What part of the cell is responsible for breaking down and digesting things? Show Answer

Q529) What part of the cell serves as the intracellular highway? Show Answer

Q530) Which of the following would you not find in a bacterial cell? Show Answer

Q531) The pancreas secretes Show Answer

Q532) When we touch leaves of "Touch me not plant", they close, these movements are called Show Answer

Q533) The concept of tissue culture was introduced by Show Answer

Q534) Beak is formed by Show Answer

Q535) Pinna (external ear) is present in Show Answer

Q536) Which of the following could be found in both the nucleus and the cytoplasm? Show Answer

Q537) In anaerobic respiration Show Answer

Q538) Human red blood cells transport Show Answer

Q539) The plasma is composed mainly of which chemical? Show Answer

Q540) In humans, gas exchange and gas transport occur as a result of the functioning of a system of Show Answer

Q541) The exchange of gases in the alveoli of the lungs take place by Show Answer

Q542) A pacemaker is meant for Show Answer

Q543) Normal blood pressure (systolic/diastolic) is Show Answer

Q544) We think lichens are cool because Show Answer

Q545) Which is a member of the fungi kingdom? Show Answer

Q546) A bacteria flagellum is Show Answer

Q547) You will never find a _______ in a bacteria Show Answer

Q548) Which of these is a fungus? Show Answer

Q549) Mushrooms are Show Answer

Q550) The colour of lichen usually comes from the Show Answer

Q551) One phrase that could describe the organisms in lichens is Show Answer

Q552) Which of these diseases is not caused by a virus? Show Answer

Q553) The structural material of bacterial wall is Show Answer

Q554) In blue green algae, the structure specialized for nitrogen fixation is Show Answer

Q555) The most ancient group of organisms of the earth is Show Answer

Q556) The extra nuclear DNA in a bacterial cell contains genes for Show Answer

Q557) Bacterial photosynthesis does not utilize Show Answer

Q558) Non-symbiotic nitrogen fixers are Show Answer

Q559) Mycoplasma differ from bacteria in Show Answer

Q560) Yeast differs from bacteria in being Show Answer

Q561) Pseudomycelium is formed in Show Answer

Q562) The fungal partner of lichens is known as Show Answer

Q563) What are 'Fungi Imperfecti'? Show Answer

Q564) Who invented vaccine for small pox? Show Answer

Q565) Which of the following is a viral diseases? Show Answer

Q566) BCG stands for Show Answer

Q567) Which of the following diseases is also known as infantile paralysis? Show Answer

Q568) Which of the following is not a communicable disease? Show Answer

Q569) Against which of the following does interferon act? Show Answer

Q570) Which of the following disease is a hormonal disorder? Show Answer

Q571) AIDS is caused by Show Answer

Q572) Vaccines are prepared from immune Show Answer

Q573) AIDS is a/an Show Answer

Q574) Which one of the following pairs of disease can spread through blood transfusion? Show Answer

Q575) Which one of the following diseases is caused by Protozoa? Show Answer

Q576) The term "antibiotic" was coined by Show Answer

Q577) Antibodies are produced by Show Answer

Q578) BCG vaccine is used against Show Answer

Q579) DPT vaccine is given for Show Answer

Q580) Active immunity is obtained by Show Answer

Q581) Which is an autoimmune disease? Show Answer

Q582) 'Polio' is caused by Show Answer

Q583) If the body rejects its own cells, it is called Show Answer

Q584) The jaundice is a physiological liver disease. It is caused by a Show Answer

Q585) Which of the disease is not transmitted by house flies? Show Answer

Q586) Cholera is caused by Show Answer

Q587) The malignant tertian malaria is caused by Show Answer

Q588) All the diseases are spread by housefly except Show Answer

Q589) Tobacco smoke contains carbon monoxide which Show Answer

Q590) Group of viral borned disease is Show Answer

Q591) Mosquito is not a vector for a disease from following Show Answer

Q592) The impaction human health is due to change in environment, which is caused by human interference is Show Answer

Q593) Passive immunity was discovered by Show Answer

Q594) Health is Show Answer

Q595) Community health aims at Show Answer

Q596) 'Pathogens' were discovered by Show Answer

Q597) Immune deficiency syndrome in human could develop as a consequence of Show Answer

Q598) A scientist associated with 'antibiotic' is Show Answer

Q599) An antibody is Show Answer

Q600) Full form of AIDS is Show Answer

Q601) The AIDS test is known as Show Answer

Q602) Which of the following is a communicable disease? Show Answer

Q603) The biological agents of disease include Show Answer

Q604) Tuberculosis is caused by Show Answer

Q605) Cholera, leprosy and diphtheria are Show Answer

Q606) Which disease is caused by a flagellate? Show Answer

Q607) Cancer can be caused by the use of Show Answer

Q608) In order to prevent spreading of a communicable disease like Cholera it is necessary to Show Answer

Q609) Virus causes the following disease in man Show Answer

Q610) Which of the following is a communicable disease? Show Answer

Q611) Tuberculosis is a disease caused by Show Answer

Q612) Which of the following can be used for biological control of mosquitoes? Show Answer

Q613) In addition to the immune system, we are protected from disease by Show Answer

Q614) Which scientist is credited with the development of medical vaccinations? Show Answer

Q615) The function of norepinephrine is Show Answer

Q616) Mammals born without a thymus gland fail to manufacture Show Answer

Q617) Both adrenaline and cortisol are secreted in response to stress. Which of the following statements is also true for both of these hormones Show Answer

Q618) Estrogen is secreted by Show Answer

Q619) Insulin by chemical nature is Show Answer

Q620) Melatonin is a hormone produced by Show Answer

Q621) Adrenaline hormone causes Show Answer

Q622) Cry protein is obtained from Show Answer

Q623) First transgenic plant Show Answer

Q624) The bacteria generally used for genetic engineering is Show Answer

Q625) Bacillus thuringiensis (Bt) strains have been used for designing novel Show Answer

Q626) The first antibiotic discovered was Show Answer

Q627) Which of the following is false for Bt transgenic plant Show Answer

Q628) First cloned animal is Show Answer

Q629) Genetically engineered human insulin is prepared by using Show Answer

Q630) Golden rice is a transgenic crop of the future with the following improved trait Show Answer

Q631) Alpha diversity is present Show Answer

Q632) Biodiversity is determined by Show Answer

Q633) In which state "Periyar National Park" is present Show Answer

Q634) Trishna sanctuary is located in Show Answer

Q635) Which Biosphere reserve is known as "Valley of Flower" Show Answer

Q636) Which is preserved in National Park Show Answer

Q637) Those species whose populations have been seriously depleted and whose ultimate security is not assured are known as Show Answer

Q638) Which of the following has become extinct in India Show Answer

Q639) Khaziranga wild life sanctuary is famous for Show Answer

Q640) Which is the first national park established in India? Show Answer

Q641) The region which is greatly affected by air pollution is Show Answer

Q642) The substance which is a primary pollutant? Show Answer

Q643) Which of the following is most abundant hydrocarbon pollutant? Show Answer

Q644) Which of the following causes lung cancer? Show Answer

Q645) Which of the following statement is false? Show Answer

Q646) Depletion of ozone layer causes Show Answer

Q647) The gas responsible for ozone depletion Show Answer

Q648) Phosphate fertilizers when added to water leads to Show Answer

Q649) Pollution in large cities can be checked only by Show Answer

Q650) What causes death of fish in water bodies polluted by sewage? Show Answer

Q651) Which is the major air pollutant? Show Answer

Q652) The ozone layer is present in Show Answer

Q653) Which is related to 'Green House Effect'? Show Answer

Q654) Biochemical Oxygen Demand, (BOD) is a measure of organic material present in water. BOD value less than 5 ppm indicates a water sample to be ________ Show Answer

Q655) Green chemistry means such reactions which Show Answer

Q656) Identify the wrong statement in the following Show Answer

Q657) The statement which is not correct about control of particulate pollution Show Answer

Q658) Minamata disease is due to pollution of Show Answer

Q659) BOD is connected with Show Answer

Q660) Which among the following statements is false? Show Answer

Q661) When rain is accompanied by a thunderstorm, the collected rain water will have a pH value Show Answer

Q662) Thermal pollution affects mainly Show Answer

Q663) Which one of the following statement is not true? Show Answer

Q664) Which one of the following is an ore of silver? Show Answer

Q665) Cinnabar is an ore of Show Answer

Q666) Copper can be extracted from Show Answer

Q667) An example of an oxide ore is Show Answer

Q668) Which of the following is an ore of is? Show Answer

Q669) Which of the following is chalcopyrite? Show Answer

Q670) Haematite is the ore of Show Answer

Q671) A metal which is refined by poling is Show Answer

Q672) Polymer obtained by condensation polymerization is Show Answer

Q673) Which one of the following is not an example of chain growth polymer? Show Answer

Q674) Teflon, styron and neoprene are all Show Answer

Q675) P.V.C. is formed by polymerization of Show Answer

Q676) The polymer of natural rubber is Show Answer

Q677) Which of the following is not an example of addition polymer? Show Answer

Q678) Which is an example of thermosetting polymer? Show Answer

Q679) A broad spectrum antibiotic is Show Answer

Q680) Chloramphenicol is an Show Answer

Q681) Synthetic detergents are more effective in hard water than soaps because Show Answer

Q682) Which of the following is used as a 'morning after pill' Show Answer

Q683) The use of chemicals for treatment of diseases is called as Show Answer

Q684) Which of the following drugs is a tranquilizer and sedative Show Answer

Q685) Streptomycin, well known antibiotic, is a derivative of Show Answer

Q686) Penicillin was first discovered by Show Answer

Q687) Washing soap can be prepared by saponification with alkali of which of the following oil Show Answer

Q688) Soaps can be classified as Show Answer

Q689) Some statement regarding heath and nitration are given below:
a.Copper in an essential micronutrient for the human body.
b.Vitamin A and D are water soluble.
c.Caloric value of lipid is 9-3 kcal/g.
d.Deficiency of Vitamin C cause scurvy.
Which of the above statement is/ are correct? Show Answer

Q690) Which cells of the human body release histamine in response to infection? Show Answer

Q691) Dry beans , flour, sugar, canned fruit, and vegetables are examples of which of the following foot? Show Answer

Q692) The digestive system is lacking in Show Answer

Q693) Which of the best time to have blood test for filariasis? Show Answer

Q694) Leafhopper or Jassids belong to order------ Show Answer

Q695) The golden-yellow coloured twiner dodder (Cuscuta reflexa) is a/an Show Answer

Q696) ---------is the smallest among the angiosperms, Show Answer

Q697) Sb is the chemical symbol of the element----- Show Answer

Q698) In which of the following compounds does the Central atom have expanded octet? Show Answer

Q699) Egg laying mammlas are included in -------- animal group. Show Answer

Q700) Which of the following sentences are correct?
a.Long sightedness is corrected by convex lens.
b.Short sightedness is correctly by convex lens.
c.Long sightedness is corrected by convex lens.
d.Short sightedness is corrected by convex lens. Show Answer

Q701) At the hydropower station, change of form of energy is Show Answer

Q702) Which of the following States contributes the largest share in the deposit mobilization in the banking sector in the India? Show Answer