Biochemistry

1. Lipids are soluble in which of the following:

Water

Ether

All solvents

Not in any of the above

2. There are mainly _______ types of tRNA

170

20

25

15

3. The trioses which are intermediate in respiration and photosynthesis are

Glyceraldehydes

Dihydroxyacetone

Both of these

None of these

4. _________ is example of pure form of cellulose

Silk

Wool

Cotton

Paper

5. Which one is the basic element of organic compounds?

Oxygen

Hydrogen

Sulfur

Carbon

6. For the synthesis of 10g of glucose ______ of energy is required:

717.6 Kcal

727 Kcal

737 Kcal

747 Kcal

7. Hydrogenation is the Process of Conversion of Unsaturated Acid Groups into Saturated ones by a Catalyst ___________

Sn

Ni

Pb

Ti

8. Peptide bond is:

C-N link

C- O lind

N-H link

C-H link

9. Which statement is true about an aqueous medium:

Ionic as well as non-ionic substance in aqueous media retains their identity.

Enzymes cannot perform catalysis reaction in this medium.

Ions and molecules move randomly thus are in a more favorable state to react with other molecules and ions.

It is less favorable media for chemical reactions.

10. The Degree of Unsaturation of Lipids can be Measured as

Iodine Number

Saponification Number

Reichert Meissel Number

Polenske Number

Question 1 of 10

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