set 4 MCQ Questions & Answers Detailed Explanation

Question : 1

Consider the following statements:

1. Chlorella is component of sewage oxidation tank.
2. Chlorella produces food rich in vitamins, proteins, etc.
3. Chlorella uses prolonged space flight for food O₂ disposed of CO₂ .
4. Chlorella yields antibiotic chlorellin.

a) 1 and 3

b) 1, 2, 3 and 4

c) 1, 2 and 3

d) 1 and 2

Question : 2

The chief function of vessels in the plant body is

a) to conduct water and mineral salts

b) to translocate food material

c) to support living cells

d) all above

Question : 3

Generally plants absorbed N2 in the form of

a) $NO_3^{-}$

b) N ≡ N

c) $NO_2^{-}$

d) $HNO_2$

Question : 4

Chlorophyll is present

a) on the surface of chloroplasts

b) dispersed through out the chloroplasts

c) in the grana of chloroplasts

d) in the stroma of chloroplasts

Question : 5

Total number of ATP consume during Kreb’s cycle is

a) 1

b) 0

c) 2

d) 3

Question : 6

The chief function of vessels in the plant body is

a) to conduct water and mineral salts

b) to translocate food material

c) to support living cells

d) all above