Practice Test

Q1) Which of the following is a polysaccharide? Show Answer

Q2) Maltose is hydrolysed in the presence of maltase to: Show Answer

Q3) The disaccharide present in milk is: Show Answer

Q4) Which of the following is a ketohexose? Show Answer

Q5) Which of the following has maximum sweetness? Show Answer

Q6) Which of the following does not give silver mirror test with Tollen's reagent? Show Answer

Q7) The change in optical rotation of a freshly prepared solution of glucose with time is called: Show Answer

Q8) Alanine is: Show Answer

Q9) Glycine reacts with nitrous acid to give: Show Answer

Q10) Which of the following carbohydrate is found most abundantly in nature? Show Answer

Q11) Hydrolysis of sucrose is called: Show Answer

Q12) Structurally, cellulose is a linear polymer of: Show Answer

Q13) Starch is changed into disaccharide in the presence of: Show Answer

Q14) The peptide linkage is: Show Answer

Q15) Eye disease is caused by the deficiency of vitamin: Show Answer

Q16) Vitamin C is chemically known as: Show Answer

Q17) Iodine deficiency in diet causes: Show Answer

Q18) Which of the following contains cobalt? Show Answer

Q19) Which of the following base is found only in RNA and not in DNA? Show Answer

Q20) The three dimensional structure of DNA was elucidated by: Show Answer

Q21) Which of the following is not present in DNA? Show Answer

Q22) An example of disaccharide is: Show Answer

Q23) Proteins on complete hydrolysis give: Show Answer

Q24) Insulin is secreted from: Show Answer

Q25) The number of amino acids in insulin is: Show Answer

Q26) In nucleic acids, the individual nucleotides are linked through: Show Answer

Q27) RNA is: Show Answer

Q28) Invert sugar is: Show Answer

Q29) Enzymes belong to a category of: Show Answer

Q30) The enzyme which converts protein into amino acids during digestion is: Show Answer

Q31) Which of the following is not present in RNA? Show Answer

Q32) Lipases are enzymes that hydrolyse: Show Answer

Q33) The chemical change in DNA molecule that could lead to synthesis of proteins with an altered amino acid sequence is called: Show Answer

Q34) Which of the following is a fat soluble vitamin? Show Answer

Q35) The component of blood responsible for blood clotting is: Show Answer

Q36) Deficiency of Vitamin D leads to disease: Show Answer

Q37) White blood cells act: Show Answer

Q38) The chemical passengers produced in ductless glands are called: Show Answer

Q39) Which of the following vitamin is synthesised by sun rays? Show Answer

Q40) Which of the following enzyme breaks up starch readily? Show Answer

Q41) Carbohydrates are stored in the body as: Show Answer

Q42) The pairs of bases in DNA are held together by: Show Answer

Q43) Which of the following carbohydrate is an essential constituent of plant cell? Show Answer

Q44) Amino acids are least soluble: Show Answer

Q45) Which of the following does not refer to the principle forms of carbohydate present in our food? Show Answer

Q46) Which of the following is regarded as the energy currency of the cell? Show Answer

Q47) Cobalamine is: Show Answer

Q48) The excess glucose is stored in the liver as: Show Answer

Q49) The pH of human blood lies between: Show Answer

Q50) The non-protein component in enzymes which is necessary for its biological activity is: Show Answer

Q51) In glycine the basic group is: Show Answer

Q52) The sequence in which amino acids are linked to one another in a protein is called its: Show Answer

Q53) Milk sugar is commonly known as: Show Answer

Q54) The bond that determines the secondary structure of a protein is: Show Answer

Q55) Which of the following is not an essential amino acid? Show Answer

Q56) An example of fibrous protein is: Show Answer

Q57) The coenzymes are derived from: Show Answer

Q58) The peptide bond is a key feature of ________ . Show Answer

Q59) Complete hydrolysis of starch gives: Show Answer

Q60) Cellulose is a: Show Answer

Q61) Vitamin C is called: Show Answer

Q62) Which of the following is vitamin? Show Answer

Q63) Starch is composed of: Show Answer

Q64) Which vitamin gets destroyed on heating? Show Answer

Q65) Oxygen is carried away from lungs by blood mainly because of the presence of: Show Answer

Q66) The number of ATP molecules consumed during formation of one mole of glucose is: Show Answer

Q67) An example of a disaccharide made up of two units of the same monosaccharides is: Show Answer

Q68) Deficiency of Vitamin E causes: Show Answer

Q69) Biuret test is used for the detection of: Show Answer

Q70) Which of the following is present in cod liver oil? Show Answer

Q71) An example of a protein which acts as structural material is: Show Answer

Q72) The metal ion present in haemoglobin and is responsible for oxygen uptake is: Show Answer

Q73) The only vitamin with a metal atom in it is: Show Answer

Q74) The metal present in blood is: Show Answer

Q75) Protein is a polymer of: Show Answer

Q76) Which of the following is an example of zwitter ion? Show Answer

Q77) Which of the following is true about vitamins? Show Answer

Q78) Guanine is held by three hydrogen bonds with the base: Show Answer

Q79) Invert sugar is a mixture of: Show Answer

Q80) Structure of a DNA molecule is: Show Answer

Q81) Enzymes in the living systems: Show Answer

Q82) The functional group which is found in amino acid is: Show Answer

Q83) The reason for double helical structure of DNA is operation of Show Answer

Q84) Complete hydrolysis of cellulose gives Show Answer

Q85) Insulin production and its action in human body are responsible for the level of diabetes. This compound belongs to which of the following categories? Show Answer

Q86) Which base is present in RNA but not in DNA? Show Answer

Q87) In both DNA and RNA, heterocyclic base and phosphate esters linkages are at Show Answer

Q88) The two forms of D-glucopyranose obtained from the solution of D-glucose are called Show Answer

Q89) The pyrimidine bases present in DNA are Show Answer

Q90) The secondary structure of a protein refers to: Show Answer

Q91) Which of the following has magnesium? Show Answer

Q92) Which amino acid is achiral? Show Answer

Q93) Which of the following is not a sex hormone? Show Answer

Q94) In polysaccharides, the linkage connecting monosaccharide is called: Show Answer

Q95) Scurvy is caused due to deficiency of vitamin: Show Answer

Q96) An example of water soluble vitamin is: Show Answer

Q97) Which of the following statement is correct? Show Answer

Q98) Which statement is incorrect about peptide bond? Show Answer

Q99) A nucleotide consists of Show Answer

Q100) Cellulose is a polymer of: Show Answer

Q101) Enzymes are made up of Show Answer

Q102) A triglyceride can have how many different acyl groups? Show Answer

Q103) Oils are converted into fats Show Answer

Q104) Enzymes with two sites are called Show Answer

Q105) Phospholipids are esters of glycerol with Show Answer

Q106) Chargoff's rule states that in an organism Show Answer

Q107) Subunits present in haemoglobin are: Show Answer

Q108) Among the following achiral amino acid is Show Answer

Q109) Which of the following represents a peptide chain Show Answer

Q110) A sequence of how many nucleotides in messenger RNA makes a codon for an amino acid? Show Answer

Q111) The helical structure of proteins is stabilized by Show Answer

Q112) The nucleic acid base having two possible building sites is Show Answer

Q113) Carbohydrates are stored in human body as the polysaccharide Show Answer

Q114) Mark the wrong statement about denaturation of proteins Show Answer

Q115) Which functional group participates in disulphide bond formation in proteins? Show Answer

Q116) The cell membranes are mainly composed of Show Answer

Q117) Which of the following amino acid is optically inactive? Show Answer

Q118) Glucose has difference from fructose in that it Show Answer

Q119) Which one of the following biomolecules is insoluble in water? Show Answer

Q120) The human body does not produce: Show Answer

Q121) Which of the following hormone contains iodine? Show Answer

Q122) Which one of the following metal ions is essential inside the cell for the metabolism of glucose / synthesis of proteins? Show Answer