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) Glucose is oxidised to carbon dioxide and water with oxygen in the presence of enzyme: Show Answer

Q8) The change in optical rotation of a freshly prepared solution of glucose with time is called: Show Answer

Q9) Alanine is: Show Answer

Q10) Glycine reacts with nitrous acid to give: Show Answer

Q11) Which of the following carbohydrate is found most abundantly in nature? Show Answer

Q12) Hydrolysis of sucrose is called: Show Answer

Q13) Structurally, cellulose is a linear polymer of: Show Answer

Q14) Starch is changed into disaccharide in the presence of: Show Answer

Q15) The peptide linkage is: Show Answer

Q16) Eye disease is caused by the deficiency of vitamin: Show Answer

Q17) Vitamin C is chemically known as: Show Answer

Q18) Iodine deficiency in diet causes: Show Answer

Q19) Which of the following contains cobalt? Show Answer

Q20) Which of the following base is found only in RNA and not in DNA? Show Answer

Q21) The three dimensional structure of DNA was elucidated by: Show Answer

Q22) Which of the following is not present in DNA? Show Answer

Q23) An example of disaccharide is: Show Answer

Q24) Proteins on complete hydrolysis give: Show Answer

Q25) Vitamin A is known as: Show Answer

Q26) Insulin is secreted from: Show Answer

Q27) The number of amino acids in insulin is: Show Answer

Q28) In nucleic acids, the individual nucleotides are linked through: Show Answer

Q29) RNA is: Show Answer

Q30) Invert sugar is: Show Answer

Q31) Enzymes belong to a category of: Show Answer

Q32) The enzyme which converts protein into amino acids during digestion is: Show Answer

Q33) Which of the following is not present in RNA? Show Answer

Q34) Lipases are enzymes that hydrolyse: Show Answer

Q35) The chemical change in DNA molecule that could lead to synthesis of proteins with an altered amino acid sequence is called: Show Answer

Q36) Which of the following is a fat soluble vitamin? Show Answer

Q37) The component of blood responsible for blood clotting is: Show Answer

Q38) Deficiency of Vitamin D leads to disease: Show Answer

Q39) White blood cells act: Show Answer

Q40) The chemical passengers produced in ductless glands are called: Show Answer

Q41) Which of the following vitamin is synthesised by sun rays? Show Answer

Q42) Which of the following enzyme breaks up starch readily? Show Answer

Q43) Carbohydrates are stored in the body as: Show Answer

Q44) The pairs of bases in DNA are held together by: Show Answer

Q45) Which of the following carbohydrate is an essential constituent of plant cell? Show Answer

Q46) Amino acids are least soluble: Show Answer

Q47) Which of the following does not refer to the principle forms of carbohydate present in our food? Show Answer

Q48) Which of the following is regarded as the energy currency of the cell? Show Answer

Q49) Cobalamine is: Show Answer

Q50) The excess glucose is stored in the liver as: Show Answer

Q51) The pH of human blood lies between: Show Answer

Q52) The non-protein component in enzymes which is necessary for its biological activity is: Show Answer

Q53) In glycine the basic group is: Show Answer

Q54) The sequence in which amino acids are linked to one another in a protein is called its: Show Answer

Q55) Milk sugar is commonly known as: Show Answer

Q56) The bond that determines the secondary structure of a protein is: Show Answer

Q57) Which of the following is not an essential amino acid? Show Answer

Q58) An example of fibrous protein is: Show Answer

Q59) The coenzymes are derived from: Show Answer

Q60) The peptide bond is a key feature of ________ . Show Answer

Q61) Complete hydrolysis of starch gives: Show Answer

Q62) Cellulose is a: Show Answer

Q63) Vitamin C is called: Show Answer

Q64) Which of the following is vitamin? Show Answer

Q65) Vitamin E is known as: Show Answer

Q66) Starch is composed of: Show Answer

Q67) Which vitamin gets destroyed on heating? Show Answer

Q68) Oxygen is carried away from lungs by blood mainly because of the presence of: Show Answer

Q69) The number of ATP molecules consumed during formation of one mole of glucose is: Show Answer

Q70) An example of a disaccharide made up of two units of the same monosaccharides is: Show Answer

Q71) Deficiency of Vitamin E causes: Show Answer

Q72) Biuret test is used for the detection of: Show Answer

Q73) Which of the following is present in cod liver oil? Show Answer

Q74) An example of a protein which acts as structural material is: Show Answer

Q75) The metal ion present in haemoglobin and is responsible for oxygen uptake is: Show Answer

Q76) The only vitamin with a metal atom in it is: Show Answer

Q77) The metal present in blood is: Show Answer

Q78) Protein is a polymer of: Show Answer

Q79) Which of the following is an example of zwitter ion? Show Answer

Q80) Reducing sugar can reduce: Show Answer

Q81) Which of the following is true about vitamins? Show Answer

Q82) Guanine is held by three hydrogen bonds with the base: Show Answer

Q83) Invert sugar is a mixture of: Show Answer

Q84) Structure of a DNA molecule is: Show Answer

Q85) Enzymes in the living systems: Show Answer

Q86) The functional group which is found in amino acid is: Show Answer

Q87) The reason for double helical structure of DNA is operation of Show Answer

Q88) Complete hydrolysis of cellulose gives Show Answer

Q89) 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

Q90) Which base is present in RNA but not in DNA? Show Answer

Q91) In both DNA and RNA, heterocyclic base and phosphate esters linkages are at Show Answer

Q92) The two forms of D-glucopyranose obtained from the solution of D-glucose are called Show Answer

Q93) The pyrimidine bases present in DNA are Show Answer

Q94) The secondary structure of a protein refers to: Show Answer

Q95) Which of the following has magnesium? Show Answer

Q96) The hormone which controls the processes of burning of fats, proteins and carbohydrates to liberate energy in the body is Show Answer

Q97) Which amino acid is achiral? Show Answer

Q98) Which of the following is not a sex hormone? Show Answer

Q99) In polysaccharides, the linkage connecting monosaccharide is called: Show Answer

Q100) Scurvy is caused due to deficiency of vitamin: Show Answer

Q101) An example of water soluble vitamin is: Show Answer

Q102) Which of the following statement is correct? Show Answer

Q103) Which statement is incorrect about peptide bond? Show Answer

Q104) A nucleotide consists of Show Answer

Q105) Cellulose is a polymer of: Show Answer

Q106) Enzymes are made up of Show Answer

Q107) A triglyceride can have how many different acyl groups? Show Answer

Q108) Oils are converted into fats Show Answer

Q109) Enzymes with two sites are called Show Answer

Q110) Phospholipids are esters of glycerol with Show Answer

Q111) Chargoff's rule states that in an organism Show Answer

Q112) Subunits present in haemoglobin are: Show Answer

Q113) Among the following achiral amino acid is Show Answer

Q114) Which of the following represents a peptide chain Show Answer

Q115) A sequence of how many nucleotides in messenger RNA makes a codon for an amino acid? Show Answer

Q116) The helical structure of proteins is stabilized by Show Answer

Q117) The nucleic acid base having two possible building sites is Show Answer

Q118) An alteration in the base sequence of nucleic acid molecule is Show Answer

Q119) Carbohydrates are stored in human body as the polysaccharide Show Answer

Q120) Mark the wrong statement about denaturation of proteins Show Answer

Q121) Which functional group participates in disulphide bond formation in proteins? Show Answer

Q122) The cell membranes are mainly composed of Show Answer

Q123) Which of the following amino acid is optically inactive? Show Answer

Q124) Glucose has difference from fructose in that it Show Answer

Q125) Which one of the following biomolecules is insoluble in water? Show Answer

Q126) The human body does not produce: Show Answer

Q127) Which of the following hormone contains iodine? Show Answer

Q128) Which one of the following metal ions is essential inside the cell for the metabolism of glucose / synthesis of proteins? Show Answer