NEET-BIOLOGY ELP NO.
-1 BIOMOLECULES
1. 98% of living organism is formed of six elements -carbon, hydrogen, nitrogen, oxygen and
(A) S & Mg (B) Mg & Na (C) Ca & P (D) P & S
2. The most abundant organic compounds in the cell is:
(A) Lipid (B) Water (C) Protein (D) Carbohydrate
3. All the elements present in a sample of earth's crust are also present in a sample of living tissue.
Which of the following element is second highest in human body ?
(A) Carbon (B) Oxygen (C) Hydrogen (D) Nitrogen
4. Secondary metabolites are produced by :
(A) Plants (B) Fungi (C) Microbial cells (D) All of the above
5. How many of the following must be present in acid soluble fraction of protoplasm ?
Fructose-6-P, Hyaluronate, Lecithin, Aquaporin proteins, ATP, NADP+, Glycogen, Alanine, RNA, Serine
(A) Three (B) Four (C) Seven (D) Five
6. Which of the following secondary metabolite is a toxin ?
(A) Codeine (B) Monoterpenes (C) Concanavaline–A (D) Ricin
7. The lowest molecular weight compounds in acid insoluble fraction are :
(A) Proteins (B) Nucleic acids (C) Polysaccharides (D) Lipids
8. Correct order of abundance of oxygen, sulphur, magnesium and calcium in the earth crust?
(A) O > Ca > Mg > S (B) S > O > Mg > Ca
(C) Ca > O > S > Mg (D) Mg > Ca > S > O
9. Order of occurence of elements in human body is:
(A) O, C, N, H (B) O, C, H, N
(C) Na, Ca, C, O (D) K, Ca, C, O
10. In the following groups which one group shows correct option for secondary metabolites ?
(A) Vinblastin, Morphin, Codein & Concavalin
(B) Lysine, Ricin, Abrin & Arginine
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(C) Glycine, Tryptophan & Arginine
(D) Phenyl alanine, Abrin & Lysine
11. External Coat composed of cellulose like material (Tunicin) occurs in -
(A) Hemichordata (B) Urochordata
(C) Cephalochordata (D) Cyclostomata
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12. Find out the incorrect statement(s).
(A) All the elements present in sample of earth's crust are also present in a sample of living S3
tissue.
(B) During chemical analysis trichloroacetic acid (Cl3CCOOH) is used
(C) Relative abundance of carbon and hydrogen with respect to other elements is higher in earth's
crust than in any living organisms.
(D) All of the above.
13. Sucrose, a common table sugar is composed of:
(A) glucose +fructose (B) glucose + galactose
(C) fructose + galactose (D) Fructose + galactose
14. Which sugar is present in milk?
(A) Glucose (B) Lactose (C) Cellulose (D) Glycogen
15. The principal polysaccharide stored in human body is:
(A) starch (B) glycerol (C) cellulose (D) glycogen
16. Which of the following is the structure of α-D-glucose?
(A) (B) (C) (D)
17. Which of the following biomolecules does not give Iodine test?
(A) Cellulose (B) Starch (C) Glycogen (D) Animal starch
18. Exoskeleton of arthropods have a complex polysaccharide, called:
(A) Cellulose (B) Chitin (C) Inulin (D) Glycogen
19. How many statements are correct about the given diagrammatic representation of
glycogen?
(1) A and B are non-reducing ends and α-1,6-glycosidic bonds are present at C & D positions.
(2) B and E are reducing ends
(3) A and E are reducing ends
(4) β-1, 4-glycosidic bonds are present at C and D positions and only E is the reducing end.
(A) Three (B) Four (C) Two (D) Only one
20. Match the column-I to column-II
Column-I Column-II
(a) Acidic amino acid i. Lysine
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(b) Basic amino acid ii. Valine
(c) Neutral amino acid iii. Tyrosine
(d) Aromatic amino acid iv. Glutamic acid
(A) a-i, b-ii, c-iii, d-iv (B) a-iv, b-i, c-ii, d-iii
(C) a-i, b-iii, c-iv, d-ii (D) a-iv, b-ii, c-i, d-iii.
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