Practice Test


Q1) Cellular pool is made up of Show Answer


Q2) Carbohydrates, proteins and lipids form Show Answer


Q3) The term 'metabolism' indicates a variety of reactions carried out at Show Answer


Q4) Biosynthesis of cellular material is Show Answer


Q5) Which of the following is not true ? Show Answer


Q6) Micro molecules do not include Show Answer


Q7) Nucleic acids are Show Answer


Q8) Chlorophyll containing cells produce ________ in presence of light. Show Answer


Q9) Which of the following is not a component of carbohydrates ? Show Answer


Q10) The proportion of oxygen and hydrogen in carbohydrate is Show Answer


Q11) The general formula for complex carbohydrates is Show Answer


Q12) HCHO is a/an Show Answer


Q13) Rhamnose is Show Answer


Q14) Cellulose is Show Answer


Q15) Which of the following is a characteristic of carbohydrates ? Show Answer


Q16) Fructose is Show Answer


Q17) Carbohydrates are classified on the basis of Show Answer


Q18) Which of the following form the basic units of carbohydrates ? Show Answer


Q19) Which of these cannot be hydrolysed further ? Show Answer


Q20) Monosaccharides are the basic units of Show Answer


Q21) Monosaccharides are further classified based on the Show Answer


Q22) The sugar which acts as a respiratory substrate in plants as well as in animals is Show Answer


Q23) Which of the following is correct statement ? Show Answer


Q24) Ribulose is Show Answer


Q25) Xylose is Show Answer


Q26) Glyceradehyde is a Show Answer


Q27) Ribose and deoxyribose are Show Answer


Q28) Erythrose is ________ sugar. Show Answer


Q29) The simplest monosaccharide made up of three carbon atoms amongst the following is Show Answer


Q30) Disaccharide is made up of Show Answer


Q31) Disaccharides are formed by a _________ bond between two monosaccharides. Show Answer


Q32) Disaccharides are formed by monosaccharide units by the Show Answer


Q33) Glucose and fructose condense to form Show Answer


Q34) Lactose sugar found in milk is a Show Answer


Q35) Cane sugar of table is Show Answer


Q36) The sugar found in mammalian milk is Show Answer


Q37) Formation of polysaccharides from large number of monosaccharides is Show Answer


Q38) Polysaccharides are Show Answer


Q39) Cellulose and starch are Show Answer


Q40) General formula of polysaccharides is Show Answer


Q41) The 'n' present in general formula of polysaccharides represents the Show Answer


Q42) Hyaluronic acid is present in which of the following mammalian organs ? Show Answer


Q43) Which one of the following is a heteropolysaccharide ? Show Answer


Q44) The sugar found as reserve food in grapes is Show Answer


Q45) The sugar found in the medullary sheath of nerve fibers is Show Answer


Q46) The sugar found in nectar and honey is Show Answer


Q47) Which of the following statement is true ? Show Answer


Q48) Glycans are Show Answer


Q49) _________ is animal starch Show Answer


Q50) A homopolysaccharide containing polymer of galactose and used as a base for culture media. Show Answer


Q51) Which among the following is a heteropolysaccharide ? Show Answer


Q52) Fungal cellulose also found in the exoskeleton of crabs, prawns etc is Show Answer


Q53) Cell wall of bacteria and cyanobacteria is formed of Show Answer


Q54) A heteropolysaccharide anti-coagulant found in blood is Show Answer


Q55) Proteins are the long chain polymers of Show Answer


Q56) The term 'Protein' is derived from the Greek word 'Proteious' which means Show Answer


Q57) The term 'Protein' was coined by Show Answer


Q58) Proteins Show Answer


Q59) The molecular weight of haemoglobin is Show Answer


Q60) The difference among species is due to the difference in its ________ components. Show Answer


Q61) The number of proteins in a bacterial cell is over Show Answer


Q62) The number of proteins in human cells is over Show Answer


Q63) Proteins do not have Show Answer


Q64) The total number of amino acids is Show Answer


Q65) The total number of essential amino acids which can not be synthesized by organisams within their body is Show Answer


Q66) A peptide bond is formed between _______ and _________ of two amino acids respectively. Show Answer


Q67) Amino acids are amphoteric in nature. This means that Show Answer


Q68) The bond between two amino acid molecules in proteins is Show Answer


Q69) Peptide bond is formed by ________ of water molecules between two amino acids. Show Answer


Q70) In a polypeptide chain, the end containing free amino group is Show Answer


Q71) During elongation of polypeptide chain, an new amino acid can be added at Show Answer


Q72) The polypeptide chains are folded using Show Answer


Q73) Proteins having only amino acids or their derivatives are Show Answer


Q74) Proteins having only amino acids with non-protein prosthetic group are Show Answer


Q75) Find the FALSE statement. Show Answer


Q76) The protein present in hair and skin is Show Answer


Q77) The protein present in muscles is Show Answer


Q78) The protein present in the cell membrane of animals is Show Answer


Q79) Muscles contract with help of Show Answer


Q80) Coagulation or clotting of blood occurs due to Show Answer


Q81) The protein in blood which gives resistance to diseases is Show Answer


Q82) A simple protein zein is found in Show Answer


Q83) Histone proteins are Show Answer


Q84) Histone proteins are associated with Show Answer


Q85) Egg yolk contains _______ in large quantities. Show Answer


Q86) The term 'Lipid' was coined by Show Answer


Q87) Lipids are Show Answer


Q88) which of the following is TRUE about lipids ? Show Answer


Q89) Waxes are produced by Show Answer


Q90) Lipids contain Show Answer


Q91) Chemically lipids are Show Answer


Q92) The proportion of hydrogen : Oxygen in lipids is Show Answer


Q93) Lipids contain Show Answer


Q94) Lipids contain Show Answer


Q95) Which of the following is not type of lipid ? Show Answer


Q96) Fatty acids has a Show Answer


Q97) Triglycerides contain Show Answer


Q98) Triglycerides are Show Answer


Q99) Simple lipids are further classified on the basis of number of Show Answer


Q100) The saturated fatty acids have Show Answer


Q101) The unsaturated fatty acids have Show Answer


Q102) Find the FALSE statement about unsaturated fats Show Answer


Q103) Find the True statement about saturated fats. Show Answer


Q104) Compound lipid contain Show Answer


Q105) Lipids present in the cell membrane are Show Answer


Q106) Which of the following is a hydrolytic product of lipids ? Show Answer


Q107) Each molecule of a steroid has carbon atoms arranged in ________ interlocking rings. Show Answer


Q108) Which of the following is a derived lipid with four interlocking rings ? Show Answer


Q109) The steroid component present in bile salt is Show Answer


Q110) The precursor of sex hormone is Show Answer


Q111) Which of the following is required for vitamin D synthesis ? Show Answer


Q112) Plant waxes do not contain Show Answer


Q113) Plant waxes contain Show Answer


Q114) Plant waxes Show Answer


Q115) Plant waxes are secreted by ________ layer. Show Answer


Q116) Carotenoids contain Show Answer


Q117) Carotenoids are Show Answer


Q118) Carotenoids mainly help in the process of Show Answer


Q119) Carotenoids are present in Show Answer


Q120) Carotenoids are found in Show Answer


Q121) Fredrick Meischer Show Answer


Q122) The term 'nucleic acid' was coined by Show Answer


Q123) Fredrick Meischer coined the term Show Answer


Q124) Meischer discovered nucleic acids from Show Answer


Q125) Genetic material in viruses is Show Answer


Q126) Nucleic acids occur in Show Answer


Q127) In the cells, nucleic acids occur in Show Answer


Q128) Nucleic acids are Show Answer


Q129) Purines are Show Answer


Q130) Pyrimidines are Show Answer


Q131) Nitrogen bases in DNA are Show Answer


Q132) The nitrogenous bases are linked to sugar by Show Answer


Q133) DNA is acidic in nature due to Show Answer


Q134) DNA differs from RNA in Show Answer


Q135) Chemically RNA differs from DNA in having Show Answer


Q136) The similarity between DNA and RNA is that, they have Show Answer


Q137) Sugar and nitrogen base linked by glycosidic bond is known as Show Answer


Q138) Phosphoric esters of nucleosides are known as Show Answer


Q139) A complex formed by de-oxyribose sugar, phosphate and nitrogen base is Show Answer


Q140) A nucleotide treated with enzyme phosphate will yield Show Answer


Q141) A nitrogen base with a double ring can be attached to a pentose sugar in Show Answer


Q142) Which of the following exist in pairs in DNA ? Show Answer


Q143) Phosphodiester linkage is present between Show Answer


Q144) Which of the following are complementary nitrogen bases ? Show Answer


Q145) The complementary nitrogen bases in DNA are joined by Show Answer


Q146) Purine and Pyrimidine ratio is Show Answer


Q147) X-ray diffraction studies of DNA was performed by Show Answer


Q148) Who had proposed the double helix structure of DNA ? Show Answer


Q149) According to Watson and Crick, DNA Show Answer


Q150) The two strands of DNA are Show Answer


Q151) In a DNA molecule, which of the following statement is not true ? Show Answer


Q152) In eukaryotic cell, DNA is found in Show Answer


Q153) DNA contains all the information needed for Show Answer


Q154) Which of the following is a FALSE statement about DNA ? Show Answer


Q155) The genetic material in most plant viruses is Show Answer


Q156) RNA is Show Answer


Q157) The hereditary material in tobacco mosaic virus is a Show Answer


Q158) The hereditary material in tobacco mosaic virus was discovered by Show Answer


Q159) DNA and RNA are similar as they both Show Answer


Q160) Which of the following is not found in RNA ? Show Answer


Q161) Which of the following contains uridylic acid ? Show Answer


Q162) In RNA, Show Answer


Q163) m-RNA, t-RNA and r-RNA are they types of Show Answer


Q164) m-RNA, t-RNA and r-RNA are present in the organisms which have Show Answer


Q165) The non-genetic RNA formed from Show Answer


Q166) Which of the following is a linear molecule ? Show Answer


Q167) Which of the following is a linear molecule folded at certain regions ? Show Answer


Q168) Which of the following has a hair pin structure ? Show Answer


Q169) Which of the following has a clover leaf structure ? Show Answer


Q170) The smallest non-genetic RNA is Show Answer


Q171) The longest non-genetic RNA is Show Answer


Q172) The most abundant non-genetic RNA is Show Answer


Q173) The least abundant non-genetic RNA is Show Answer


Q174) Which of the following is soluble RNA ? Show Answer


Q175) m-RNA forms about _________ of the total cell RNA. Show Answer


Q176) r-RNA forms about _________ of the total cell RNA. Show Answer


Q177) _________forms about 10-15% of the total cell RNA. Show Answer


Q178) The process of transcription produces Show Answer


Q179) A = U is present in Show Answer


Q180) __________ carries activated amino acids to ribosomes. Show Answer


Q181) The most active RNA during translation is Show Answer


Q182) Maximum amount of RNA is present in Show Answer


Q183) The term 'enzyme' was coined by Show Answer


Q184) The word 'enzyme' means Show Answer


Q185) The first person to isolated urease in pure crystalline form was Show Answer


Q186) As compared to DNA pentose sugar, the RNA pentose sugar has Show Answer


Q187) Successive nucleotides of the same strand of DNA are joined by Show Answer


Q188) Which of the following is TRUE ? Show Answer


Q189) The number of adenine molecules in a given DNA segment is 25 and the number of cytosine molecules is 45. The total number of nucleotides in the segment is Show Answer


Q190) In a DNA molecule, if the percentage of thymine is 22%, then guanine will be Show Answer


Q191) Which staement is not TRUE about enzymes ? Show Answer