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MCQ Bio molecules Chapter 9 Class 11 Biology

MCQ’s For All Chapters – Biology Class 11th

1. There will be total 30 MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying

1. Ester linkages occur in

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Question 1 of 30

2. Lactose is made of

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Question 2 of 30

3. Arachidonic acid is

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Question 3 of 30

4. When we homogenise any tissue in an acid, the acid-soluble pool represents

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Question 4 of 30

5. Which of the following carbohydrates is not a disaccharide?

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Question 5 of 30

6. An element not of much importance to plants is

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Question 6 of 30

7. A sedoheptulose molecule has _____carbon atoms.

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Question 7 of 30

8. The most common monomer of carbohydrates is

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Question 8 of 30

9. The most abundant mineral of the animal body is

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Question 9 of 30

10. Which one of the following pairs of nitrogenous bases of nucleic acids is wrongly matched with the category mentioned against it?

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Question 10 of 30

11. Fehling’s solution is used for the detection of

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Question 11 of 30

12. Adenine is

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Question 12 of 30

13. Consider the following statements:
1. Chitin is a fatty acid polymer.
2. Starch is a glucose polymer.
3. Sucrose is a monosaccharide.
4. Maltose is a polymer of glucose.

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Question 13 of 30

14. Which is a reducing sugar?

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Question 14 of 30

15. A nucleoside differs from a nucleotide in not having a

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Question 15 of 30

16. Maximum iron occurs in

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Question 16 of 30

17. Nitrogen is a component of

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Question 17 of 30

18. Match the following and choose the correct combination from the options given:
Column I Column II
(Organic compound) (Example)
(A) Fatty acid 1. Glutamic acid
(B) Phospholipid 2. Tryptophan
(C) Aromatic amino acid 3. Lecithin
(D) Acidic amino acid 4. Palmitic acid

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Question 18 of 30

19. Amino acids, as the name suggests, have both an amino group and a carboxyl group in their structure. In addition, all naturally occurring amino acids (those which are found in proteins) are called L-amino acids. From this, can you guess from which compound the simplest amino acid is made?

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Question 19 of 30

20. An immediate source of cellular energy is

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Question 20 of 30

21. Which is an organic compound found in most cells?

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Question 21 of 30

22. Which one of the following amino acids has the hydroxyl methyl group as its R group?

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Question 22 of 30

23. The chemical used most by plants is

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Question 23 of 30

24. Which of the following statements is not true?
A. Glycerol is a 3-carbon alcohol with 3-OH groups which act as binding sites.
B. Waxes are esters formed between a long chain alcohol and saturated fatty acids.
C. The term protein was coined by Johannes Mulder. D. Agar is an indispensable polysaccharide and is a complex polymer of glucose and sulphur-containing carbohydrates.

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Question 24 of 30

25. A source of maximum energy is

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Question 25 of 30

26. The amino acid essential in man is

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Question 26 of 30

27. An essential amino acid which is synthesised by plants is

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Question 27 of 30

28. The most abundant chemical in living organisms could be

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Question 28 of 30

29. Which one of the following is not a carbohydrate?

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Question 29 of 30

30. On hydrolysis of cane sugar, we can obtain

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Question 30 of 30