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Biomolecules PYQs
Class XI Biology
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NCERT Based
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NEET Practice
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34 questions in this chapter
Identify the incorrect pair.
A Alkaloids - Codeine
B Toxin - Abrin
C Lectins - Concanavalin A
D Drugs - Ricin
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Following are the statements with reference to 'lipids'.
A. Lipids having only single bonds are called
unsaturated fatty acids.
B. Lecithin is a phospholipid.
C. Trihydroxy propane is glycerol.
D. Palmitic acid has 20 carbon atoms including
carboxyl carbon.
E. Arachidonic acid has 16 carbon atoms.
Choose the correct answer from the options given
below.
A A and B only
B C and D only
C B and C only
D B and E only
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Which one of the following is the most abundant
protein in the animals?
A Haemoglobin
B Collagen
C Lectin
D Insulin
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Identify the substances having glycosidic bond and
peptide bond, respectively in their structure:
A Chitin, cholesterol
B Glycerol, trypsin
C Cellulose, lecithin
D Inulin, insulin
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Identify the basic amino acid from the following.
A Tyrosine
B Glutamic Acid
C Lysine
D Valine
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Match the following:
(A)Inhibitor of catalytic activity
(I)Ricin
(B)Possess peptide bonds
(II)Malonate
(C)Cell wall material in fungi
(III)Chitin
(D)Secondary metabolite
(IV)Collagen
Choose the correct option from the following:
A (A)-(II), (B)-(IV), (C)-(III), (D)-(I)
B (A)-(III), (B)-(I), (C)-(IV), (D)-(II)
C (A)-(III), (B)-(IV), (C)-(I), (D)-(II)
D (A)-(II), (B)-(III), (C)-(I), (D)-(IV)
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Match the following:
List-I
List-II
(A)Aquaporin
(I)Amide
(B)Asparagine
(II)Polysaccharide
(C)Abscisic acid
(III)Polypeptide
(D)Chitin
(IV)Carotenoids
Select the correct option:
A (A)-(III), (B)-(I), (C)-(IV), (D)-(II)
B (A)-(II), (B)-(III), (C)-(IV), (D)-(I)
C (A)-(II), (B)-(I), (C)-(IV), (D)-(III)
D (A)-(III), (B)-(I), (C)-(II), (D)-(IV)
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Floridean starch has structure similar to:
A Starch and cellulose
B Amylopectin and glycogen
C Mannitol and algin
D Laminarin and cellulose
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DNA precipitation out of a mixture of biomolecules
can be achieved by treatment with:
A Chilled ethanol
B Isopropanol
C Methanol at room temperature
D Chilled chloroform
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Which of the following is a commercial blood
cholesterol lowering agent?
A statin
B Lipases
C Streptokinase
D Cyclosporin A
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