MCQ Questions for Class 12 Chemistry with Answers<\/a> are prepared as per the Latest Exam Pattern. Students can solve these Biomolecules Class 12 MCQs Questions with Answers and assess their preparation level.<\/p>\nBiomolecules Class 12 MCQs Questions with Answers<\/h2>\n Solving the Biomolecules Multiple Choice Questions of Class 12 Chemistry Chapter 14 MCQ can be of extreme help as you will be aware of all the concepts. These MCQ Questions on Biomolecules Class 12 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. Have a glance at the MCQ of Chapter 14 Chemistry Class 12 and cross-check your answers during preparation.<\/p>\n
Question 1. \nThe linkage which holds various amino acid units in primary structure of proteins is \n(a) glycosidic linkage \n(b) hydrogen bond \n(c) peptide linkage \n(d) ionic bond<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (c) peptide linkage<\/p>\n<\/details>\n
\nQuestion 2. \nVitamin A is called \n(a) Ascorbic acid \n(b) Retinol \n(c) Calciferol \n(d) Tocoferol<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (b) Retinol<\/p>\n<\/details>\n
\nQuestion 3. \nThe deficiency of vitamin B1<\/sub> causes which disease? \n(a) Beriberi \n(b) Rickets \n(c) Anaemia \n(d) Xerosis<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (a) Beriberi<\/p>\n<\/details>\n
\nQuestion 4. \nDeficiency of vitamin C causes \n(a) Scurvy \n(b) Rickets \n(c) Anaemia \n(d) None of these<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (a) Scurvy<\/p>\n<\/details>\n
\nQuestion 5. \nAn example of non-reducing sugar is \n(a) Sucrose \n(b) Lactose \n(c) Maltose \n(d) None<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (a) Sucrose<\/p>\n<\/details>\n
\nQuestion 6. \nWhich of the following is not an essential amino acid? \n(a) Glycine \n(b) Lysine \n(c) Phenyl alanine \n(d) Valine<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (a) Glycine<\/p>\n<\/details>\n
\nQuestion 7. \nWhich of the following is a water-soluble vitamin? \n(a) Vitamin E \n(b) Vitamin K \n(c) Vitamin B \n(d) Vitamin A<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (c) Vitamin B<\/p>\n<\/details>\n
\nQuestion 8. \nVitamin B1<\/sub> is \n(a) Riboflavin \n(b) Cobalamin \n(c) Thiamine \n(d) Pyridoxine<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (c) Thiamine<\/p>\n<\/details>\n
\nQuestion 9. \nWhich is sweetest of the following: \n(a) Sucrose \n(b) Glucose \n(c) Fructose \n(d) Maltose<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (c) Fructose<\/p>\n<\/details>\n
\nQuestion 10. \nRickets may be caused by the deficiency of which vitamin? \n(a) Vitamin D \n(b) Vitamin C \n(c) Vitamin A \n(d) Vitamin B<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (a) Vitamin D<\/p>\n<\/details>\n
\nQuestion 11. \nThe function of enzymes in the living system is to \n(a) Maintain pH \n(b) Catalyse biochemical process \n(c) provide immunity \n(d) transport oxygen<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (b) Catalyse biochemical process<\/p>\n<\/details>\n
\nQuestion 12. \nThe disaccharide present in milk is \n(a) sucrose \n(b) maltose \n(c) lactose \n(d) cellulose<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (c) lactose<\/p>\n<\/details>\n
\nQuestion 13. \nWhich base is present in RNA but not in DNA? \n(a) Uracil \n(b) Cytosine \n(c) Guanine \n(d) Thymine<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (a) Uracil<\/p>\n<\/details>\n
\nQuestion 14. \nIn aqueous solution, an amino acid exists as \n(a) cation \n(b) anion \n(c) dianion \n(d) zwitterion<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (d) zwitterion<\/p>\n<\/details>\n
\nQuestion 15. \nWhich of the following is stored in liver of animals? \n(a) Amylose \n(b) Cellulose \n(c) Amylopectin \n(d) Glycogen<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (d) Glycogen<\/p>\n<\/details>\n
\nQuestion 16. \nWhich of the following is a polysaccharide? \n(a) Maltose \n(b) Sucrose \n(c) Fructose \n(d) Cellulose<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (d) Cellulose<\/p>\n<\/details>\n
\nQuestion 17. \nThe Vitamin responsible for the coagulation of blood is: \n(a) Vitamin B1<\/sub> \n(b) Vitamin D \n(c) Vitamin K \n(d) Vitamin C<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (c) Vitamin K<\/p>\n<\/details>\n
\nQuestion 18. \nWhich one is the complimentary base of adenine in one strand to that in the other strand of DNA? \n(a) Cytosine \n(b) Guanine \n(c) Uracil \n(d) Thymine<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (d) Thymine<\/p>\n<\/details>\n
\nQuestion 19. \nRibose is a \n(a) monosaccharide \n(b) polysaccharide \n(c) polypeptide \n(d) disaccharide<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (a) monosaccharide<\/p>\n<\/details>\n
\nQuestion 20. \nIn which of the following order base, phosphate and sugar are arranged in the nucleotide of DNA? \n(a) Base-phosphate-sugar \n(b) Base-sugar-phosphate \n(c) Phosphate-base-sugar \n(d) Sugar-base-phosphate<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (b) Base-sugar-phosphate<\/p>\n<\/details>\n
\nAssertion and Reason Type Questions<\/span><\/p>\nThe questions given below consist of an assertion and a reason. Use the following key to choose the appropriate answer. \n(a) Both Assertion (A) and Reason (R) are correct statements, and Reason (R) is the correct explanation of the Assertion (A). \n(b) Both Assertion (A) and Reason (R) are correct statements, but Reason (R) is not the correct explanation of the Assertion (A). \n(c) Assertion (A) is correct, Reason (R) is wrong statement. \n(d) Assertion (A) is wrong, but Reason (R) is correct statement.<\/p>\n
Question 21. \nAssertion: D (+) – Glucose is dextrorotatory in nature. \nReason: \u2018D\u2019 represents its dextrorotatory nature.<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (c) Assertion (A) is correct, Reason (R) is wrong statement.<\/p>\n<\/details>\n
\nQuestion 22. \nAssertion: Vitamin D can be stored in our body. \nReason: Vitamin D is fat-soluble vitamin.<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (a) Both Assertion (A) and Reason (R) are correct statements, and Reason (R) is the correct explanation of the Assertion (A).<\/p>\n<\/details>\n
\nQuestion 23. \nAssertion: \u00df-glycosidic linkage is present in maltose, \n \nReason: Maltose is composed of two glucose units in which C-1 of one glucose unit is linked to C-4 of another glucose unit.<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (d) Assertion (A) is wrong, but Reason (R) is correct statement.<\/p>\n<\/details>\n
\nQuestion 24. \nAssertion: All naturally occurring \u03b1-aminoacids except glycine are optically active. \nReason: Most naturally occurring amino acids have L-configuration.<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (b) Both Assertion (A) and Reason (R) are correct statements, but Reason (R) is not the correct explanation of the Assertion (A).<\/p>\n<\/details>\n
\nQuestion 25. \nAssertion: Deoxyribose, C5<\/sub>H10<\/sub>O4<\/sub> is a carbohydrate. \nReason: Carbohydrates are hydrates of carbon so compounds which follow Cx<\/sub>(H2<\/sub>O)y<\/sub> formula are carbohydrates.<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (c) Assertion (A) is correct, Reason (R) is wrong statement.<\/p>\n<\/details>\n
\nQuestion 26. \nAssertion: Glycine must be taken through diet. \nReason: It is a non-essential amino acid.<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (d) Assertion (A) is wrong, but Reason (R) is correct statement.<\/p>\n<\/details>\n
\nQuestion 27. \nAssertion: In the presence of enzyme, substrate molecule can be attacked by the reagent effectively. \nReason: Active sites of enzymes hold the substrate molecule in a suitable position.<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (a) Both Assertion (A) and Reason (R) are correct statements, and Reason (R) is the correct explanation of the Assertion (A).<\/p>\n<\/details>\n
\nQuestion 28. \nAssertion: The two strands in double strand helix structure of DNA are complementary to each other. \nReason: Disulphide bonds are formed between specific pairs of bases.<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (c) Assertion (A) is correct, Reason (R) is wrong statement.<\/p>\n<\/details>\n
\nQuestion 29. \nAssertion: Glucose reacts with hydroxylamine to form an oxime and also adds a molecule of hydrogen cyanide to give cyanohydrin. \nReason: The carbonyl group is present in the open chain structure of glucose.<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (a) Both Assertion (A) and Reason (R) are correct statements, and Reason (R) is the correct explanation of the Assertion (A).<\/p>\n<\/details>\n
\nHope the information shared regarding the NCERT MCQ Questions for Class 12 Chemistry Chapter 14 Biomolecules with Answers Pdf free download is true and genuine as far as our knowledge is concerned. If you feel any information regarding CBSE Class 12 Chemistry Biomolecules MCQs Multiple Choice Questions with Answers is missing do reach us and we will look into it and add it accordingly.<\/p>\n","protected":false},"excerpt":{"rendered":"
Students are advised to practice the NCERT MCQ Questions for Class 12 Chemistry Chapter 14 Biomolecules with Answers Pdf free download is available here. MCQ Questions for Class 12 Chemistry with Answers are prepared as per the Latest Exam Pattern. Students can solve these Biomolecules Class 12 MCQs Questions with Answers and assess their preparation …<\/p>\n
MCQ Questions for Class 12 Chemistry Chapter 14 Biomolecules with Answers<\/span> Read More »<\/a><\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","spay_email":""},"categories":[35],"tags":[],"yoast_head":"\nMCQ Questions for Class 12 Chemistry Chapter 14 Biomolecules with Answers - MCQ Questions<\/title>\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\t \n\t \n\t \n