E-PolyLearning

11. Sequence if amino acids in DNA can be determined by order of
a. mRNA
b. tRNA
c. rRNA
d. nucleotides
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Answer: (d).nucleotides

12. Phosphoric acid can be joined with OH group of a pentose sugar with help of
a. phosphodiester bond
b. ionic bond
c. covalent bond
d. ester linkage
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Answer: (d).ester linkage

13. Proteins are classified into two groups, i.e. Fibrous proteins and
a. glandular proteins
b. globular proteins
c. Enzymatic proteins
d. Storage proteins
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Answer: (b).globular proteins

14. RNA is synthesized from DNA by process of
a. translation
b. transcription
c. transgenic
d. duplication
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Answer: (b).transcription

15. Anabolism and catabolism are types of
a. chemical reaction
b. chain reactions
c. metabolism
d. complex reactions
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Answer: (c).metabolism

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