Biochemistry

1. rRNA constitutes _____ % of the total cellular RNA.

3-4 %

10-20%

0.8

0.9

2. Fatty acids containing 18 C atoms and a single double bond is

Saturated Fatty acid

Unsaturated fatty acid

Oleic Acid

Palmitic acid

3. Which of the following carbohydrate is tasteless?

Monosaccharide

Oligosaccharide

Polysaccharide

None of these

4. % of water in brain cells is

0.2

0.8

0.85

0.9

5. Which one are most complex sugar:

Monosaccharides

Oligosaccharides

Polysaccharides

None of these

6. Which of the following statement is incorrect about RNA?

The pentose sugar in it is Ribose.

It contains Adenine Guanine Thymine and Cytosine

It is present in the nucleoli

It may be folded back on itself to give double helical characteristics.

7. The first amino acid of any polypeptide chain in eukaryotes is

valine

methionine

glycine

alanine

8. In Cx(H2O)y x ranges from

1 to 3 thousand

3 to many thousand

3 to 5 thousand

5 to 9 thousand

9. Which one gives a blue color with iodine?

Starch

Glycogen

Cellulose

Polysaccharide

10. Proteins are polymers of

Fatty acids

Isoprenoid units

Amino acids

Nucleotides

Question 1 of 10

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