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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 3001. |
Glycogen isA. Polymer of amino acidsB. polymer of fatty acidsC. Unsaturated fatsD. polymer of glucose |
| Answer» Correct Answer - D | |
| 3002. |
The most important reserves food of animals areA. carbohydratesB. proteinsC. vitaminsD. fats |
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Answer» Correct Answer - D |
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| 3003. |
Which of the following is not present in nucleotide?A. CytosineB. GuanineC. AdenineD. Tyrosine |
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Answer» Correct Answer - D A nucleotide contains a pentose sugar (deoxyribose (in DNA) or ribose (in RNA), nitrogenous base[such as adenine or guanine or thymine (in DNA) or cytosine or uracil (in RNA)] and a phosphate molecule. |
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| 3004. |
RNA containsA. ribose sugar and thymineB. ribose sugar and uracilC. deoxyribose sugar and uracilD. deoxyribose sugar and thymine |
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Answer» Correct Answer - B In RNA (ribonucleic acid) sugar present is D (-) ribose consists of cytosine and uracil as pyrimidine and guanine and adenine as purine bases. |
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| 3005. |
Which alcohol reacts with fatty acids to form fats?A. EthanolB. GlycerolC. MethanolD. Isopropanol |
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Answer» Correct Answer - B |
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| 3006. |
In the following which is not glyceride ?A. FatsB. oilsC. phospholipidsD. soaps |
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Answer» Correct Answer - D soaps are sodium salts of carboxylic acid and not glycerides. |
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| 3007. |
The main difference between fat and oil,is thatA. oils possess low molecular weightsB. oils are the glycerides of fatty acidsC. oils have low melting pointD. All of the above |
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Answer» Correct Answer - D Oils are the glycerides of fatty acids, and hence, they possess relatively low molecular weights and thus. lower melting points. On the other hand, fats possess higher percentage of saturated acids and thus, possess high molecular weights and high melting points. |
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| 3008. |
Monoterpene contain how many carbon atoms?A. 10B. 12C. 14D. 16 |
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Answer» Correct Answer - A |
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| 3009. |
A glyceride isA. an ether formed by glycerolB. an ester of glycerol with fatty acidsC. a molecular compound of glycerol with a metal saltD. none of these |
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Answer» Correct Answer - B |
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| 3010. |
The one which has least iodine value isA. ginger oilB. gheeC. groundnut oilD. sunflower oil |
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Answer» Correct Answer - B Among the given options, ghee has the least iodine value as it is saturated whereas the other compounds contain some degree of unsaturation. |
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| 3011. |
A distinctive and characteristic functional group of fat isA. a peptide groupB. an ester groupC. an alcoholic groupD. a ketonic group |
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Answer» Correct Answer - B Fats are also known as triglycerides. These triglycerides are the triesters of fatty acid with glycerol. So, the characteristics feature of fat is ester group. |
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| 3012. |
A distinctive and characteristic functional group of fat isA. an ester groupB. etherC. a peptide groupD. an alcoholic group |
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Answer» Correct Answer - A |
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| 3013. |
A distinctive and characteristic functional group of fat isA. an ester groupB. a peptide groupC. a ketonic groupD. an alcoholic group |
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Answer» Correct Answer - A |
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| 3014. |
The group linkage present in fats isA. peptideB. ester linkageC. glycosidic linkageD. none of these |
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Answer» Correct Answer - B See oils and fats. |
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| 3015. |
The group linkage present in fats isA. peptide linkageB. ester linkageC. glycosidic linkageD. none of these |
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Answer» Correct Answer - B |
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| 3016. |
Maltose containA. 2-4-`alpha` acetal bondB. 1-2-`alpha`-acetal bondC. 1-4-`beta` acetal bondD. 1-4-`alpha` acetal bond |
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Answer» Correct Answer - D |
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| 3017. |
Cellulose is made up ofA. `alpha`-D-glucopyranoseB. `alpha`-D-glucofuranoseC. `beta`-D-glucopyranoseD. `beta`-D-glucofuranose |
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Answer» Correct Answer - C |
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| 3018. |
The monomer unit of starch areA. `alpha`-glucoseB. `beta`-glucoseC. pyranoseD. galactose |
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Answer» Correct Answer - A |
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| 3019. |
The monomer unit of starch are:A. `alpha`-glucoseB. `beta`- glucoseC. pyranoseD. galactose |
| Answer» Correct Answer - A | |
| 3020. |
Glucose is :A. aldopentoseB. aldohexoseC. ketopentoseD. ketohexose |
| Answer» Correct Answer - B | |
| 3021. |
Which of the following is not a monsaccharide?A. GlucoseB. FructoseC. CelluloseD. Ribose |
| Answer» Correct Answer - C | |
| 3022. |
One cyclic acetal form of D-galactose is shown above.A. `alpha`-D- GalactofuranoseB. `beta`-D-GalactofuranoseC. `alpha`-D-GalactopyranoseD. `beta`-D-Galactopyranose |
| Answer» Correct Answer - C | |
| 3023. |
which of the following is correct statement ?A. amino acids may be considered as substitued methaneB. `alpha`AA have different only in R groupC. in serine ,R group is hydroxy methylD. all the above |
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Answer» Correct Answer - D |
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| 3024. |
which of the following is acidic amino aicd?A. valineB. glutamic acidC. arginineD. lysine |
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Answer» Correct Answer - B |
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| 3025. |
what is the R group in glycine?A. `CH_(2)-OH`B. HC. `CH_(3)`D. none of them |
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Answer» Correct Answer - B |
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| 3026. |
Peptidoglycan present in bacterial cell envelope isA. Made up of celluloseB. A heteropolymerC. An oligosaccharideD. A homopolymer |
| Answer» Correct Answer - B | |
| 3027. |
Which of the following carbohydrates is considered non-reducing in acidic medium ?A. MaltoseB. SucroseC. LactoseD. Fructose |
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Answer» Correct Answer - B (B) Sucrose is considered no-reducing in acidic medium. |
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| 3028. |
Sucrose is made up ofA. Glucose-galactoseB. Glucose-fructoseC. Glucose-glucoseD. Fructose-fructose |
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Answer» Correct Answer - B Sucrose is made up of glucose and fructose |
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| 3029. |
Three of the following statements about enzymes are correct and one is wrong. Which one is wrongA. Enzyme are denatured at high temperaturesB. Enzymes are mostly proteins but some are lipids alsoC. Enzymes are highly specificD. Enzymes required optimum pH and temperature for maximum activity. |
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Answer» Correct Answer - B (B) Enzymes are denatured at high temperatures. Enzymes are mostly proteins but some are RNAs also. Enzymes are highly specific. Enzymes required optimum pH and temperature for maximum activity. |
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| 3030. |
The figure shows a tetrapeptide hypothetical portion of a protein with parts labeleld a-d. Which one of the following option is correct ? A. d is the acidic amino acid - glutamic acidB. c is an aromatic amino acid- tyrosineC. a is the C-terminal amino acid and d is N-terminal amino acidD. b is a sulphur containing amino acid methionine |
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Answer» Correct Answer - B (B) c is an aromatic amino acid-tyrosine. |
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| 3031. |
Which control the secretion of all hormonesA. kidneyB. liverC. heartD. pituitary gland |
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Answer» Correct Answer - D |
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| 3032. |
Carboxylic acids containing an amino group `(-NH_(2))` as a substituent are called amino acids. When this amino group substitution is at `alpha` position with respect to carboxylic group, the aminoacid is called `alpha`-amino acid. The aminoacids with two carboxylic acids are called acidic amino acids whereas aminoacids with two amino group are called basic amino acids Amino acids show amphoteric character. Ali chiral natural amino acids exist in L-form. : What would be the net charge on the given amino acid at pH=14? A. `+1`B. `+2`C. `-1`D. `-2` |
| Answer» Correct Answer - D | |
| 3033. |
Antibodies in our body are complexA. steroidsB. prostaglandinsC. glycoproteinsD. lipoproteins |
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Answer» Correct Answer - C Antibodies are the proteins (glycoproteins) called immunoglobulins. These are produced by the lymphocytes in response to entry of a foreign substance or antigen into the body. Antibodies are of five types, e.g. IgG, IgM, IgA, IgD, IgE. Lipoproteins are the micellar complex of protein and lipids. Steroids are a group of lipids derived from a saturated compound cyclopentano perhydroph- enanthrene, which has a nucleus of four rings. Prostaglanclin is a group of organic compounds derived from essential fatty acids and causing a range of physiological effects in animals. |
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| 3034. |
Polymer of sucrose isA. CelluloseB. StarchC. glycogenD. Fluka Ficoll |
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Answer» Correct Answer - D (D) Polymer of sucrose is fluka ficoll. |
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| 3035. |
A linear polymeric biomolecules with reducing and non-reducing ends isA. RNAB. DNAC. AmyloseD. Protein |
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Answer» Correct Answer - C (C) A linear polymeric biomolecule with reducing and non-reducing ends is amylose ( component of starch ). |
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| 3036. |
Which one given below is a non`-` reducing sugar ?A. Ribose 5-phosphateB. MaltoseC. SucroseD. Lactose |
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Answer» Correct Answer - C (C) Sucrose is a non-reducing carbohydrates. |
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| 3037. |
Which of the following nitrogenous base is double ringed?A. GuanineB. UracilC. ThymineD. Cytosine |
| Answer» Correct Answer - A | |
| 3038. |
Which of the following nitrogenous base is double ringed?A. GuanineB. ThymineC. UracilD. Cytosine |
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Answer» Correct Answer - A (A) Guanine nitrogeneous base is double ringed. |
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| 3039. |
Chittin is chemically a polymer of or The chitinous exoskeleton of arthropods is formed by the polymerisation ofA. D-glucosamineB. N-acetyl glucosamineC. LipoglycansD. Keratin sulphate and chondroitin sulphate |
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Answer» Correct Answer - B (B) The chitinous exoskeleton of arthropods is formed by the polymerisation of N-acetyl glycosamine. |
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| 3040. |
Which one of the following is a non-reducing carbohydrate?A. MaltoseB. SucroseC. LactoseD. Ribose 5-phosphate |
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Answer» Correct Answer - B Sucrose is a disaccharide of glucose and fructose It is a non-reducing sugar as it do not contain any free anomeric carbon atom. Maltose is a disaccharide of 2 glucose units. Its first glucose residue cannot undergo oxidation, whereas, second residue can undergo oxidation because it has a reactive free anomeric carbon atom. Hence. It is a reducing sugar Lactose and ribose-5-phosphate are also reducing in nature due to the presence of a free ketonic or aildehyde group. |
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| 3041. |
The chitinous exoskeleton of arthropods is formed by the polymerisation ofA. keratin, sulphate and chondroitin sulphateB. D-glucosamineC. N-acetyl glucosamineD. lipoglycans |
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Answer» Correct Answer - C The chitinous exoskeleton of arthropods if formed by the polymerisation of N-acetyl glucosamine which is a derivative of glucose. It is alos a characteristic component of the cell wall of fungi, the tadulase of molluscs and the beaks and internal shells of cephalopods, including squid and octopuses. |
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| 3042. |
Which of the following biomolecules does have a phosphodiester bond?A. Fatty acids in a diglycerideB. Monosaccharides in a polysaccharideC. Amino acids in a polypeptideD. Nucleic acids in a nucleotide |
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Answer» Correct Answer - D Phosphodiester bond is in responsible for linking nucleotides in nucleic acid (DNA and RNA). |
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| 3043. |
Paraffin wax isA. EsterB. AcidC. Monohydric alcoholD. Cholesterol |
| Answer» Correct Answer - A | |
| 3044. |
Under what conditions glucose is converted to gluconic and saccharic acid? |
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Answer» Glucose is converted to gluconic acid by bromine water and to saccharic acid by conc. HNO3. |
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| 3045. |
What happens when glucose reacts with (a) HI (b) HNO3 (c) Br2 water |
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Answer» (a) C6H12O6 + HI → n‐hexane C6H14 (b) C6H12O6 + HNO3 → saccharic acid (c) C6H12O6 + Br2 water → gluconic acid |
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| 3046. |
Which one of the following is formed when glucose react with Conc. HNO3 ? (a) Gluconic acid (b) Glutaric acid (c) Saccharic acid (d) Hexanoic acid |
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Answer» (c) Saccharic acid |
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| 3047. |
Write one source and deficiency disease of vitamin B12. |
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Answer» Source: Meat, fish, egg, curd; Pernicious anemia. |
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| 3048. |
(i) Deficiency of which vitamin causes scurvy ? (ii) What type of linkage is responsible for the formation of proteins ? (iii) Write the product formed when glucose is treated with HI. |
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Answer» (i) Vitamin C. (ii) Peptide linkage. (iii) n-hexane or its structure. |
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| 3049. |
What type of linkage holds together the monomer of DNA ? |
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Answer» Monomer of DNA are held together by phosphodiester linkage. |
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| 3050. |
Give name of oil soluble vitamin which is powerful antioxidant. Give its one natural source also. |
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Answer» Vitamin E is oil soluble. One of its richest source is almond oil (Badam Rogan). |
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