Select the correct option for the following options

1. Live cells can be imaged by

(a) Light microscopy

(b) Electron microscopy

(c) Both kinds of microscopy

(d) With the naked eye.

2. A carbon atom has a valency of

(a) 2

(b) 3

(c) 4 or

(4) 5

3. A covalent bond between C, H and O atoms can be broken by

(a) Visible light

(b) Ultra-violet light

(c) Infra red light

(d) All of the above.

4 . Water is a very good solvent for

(a) Salts

(b) Fats

(c) Carbohydrates

(d) Salts and some carbohydrates.

5. Denaturation of nucleic acids refers to

(a) Separation of complementary strands

(b) Dissociation of complementary regions of the same strand

(c) Either of the above

(d) Degradation of the molecule.

Answer rating: 100% (QA)

1 a Light microsc... View the full answer