Biochemistry MCQs Test 02 Online for Preparation

1. Ribozymes are ?

A. a) enzymes with catalytic activity

B. b) RNAs with catalytic activity

C. c) proteins with catalytic activity

D. d) nucleic acids with catalytic activity

2. RNA is primarily seen in ?

A. a) nucleus

B. b) Cytoplasm

C. c) RER

D. d) SER

3. Ribose sugar in RNA is ?

A. a) D-ribose

B. b) L-ribose

C. c) Both L and D form

D. None of these

4. Which of the virus has double stranded RNA as genetic material ?

A. a) Tobacco mosaic virus

B. b) Influenza virus

C. c) Rous Sarcoma virus

D. d) Reoviruses

5. Ribosomes are composed of ?

A. a) DNA and RNA

B. b) RNA and proteins

C. c) DNA and Proteins

D. d) RNA only

6. Aminoacids are ?

A. a) building blocks of carbohydrates

B. b) building blocks of nucleic acids

C. c) building blocks of lipids

D. d) building blocks of proteins

7. Amino acids has ?

A. a) both amino group and carboxyl group

B. b) both amino group and keto group

C. c) amino group only

D. d) carboxyl group only

8. The simplest amino acid is ?

A. a) Proline

B. b) methionine

C. c) glycine

D. d) serine

9. Which of the following amino acid is a ‘α-helix terminator’ ?

A. a) tryptophan

B. b) phenyl alnine

C. c) tyrosine

D. d) proline

10. The first amino acid in a polypeptide chain is ?

A. a) Serine

B. b) Valine

C. c) Alanine

D. d) Methionine

Biochemistry MCQs Test 02 Online for Preparation

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