Q.1. Identify the element associated with nitrate reduction.
(1) Zn
(2) K
(3) Mo
(4) Ca
(5) P
Ans. (3) Mo
Q.2. Which of the following is a pentose sugar?
(1) Erythrose phosphate
(2) Fructose phosphate
(3) Xylulose phosphate
(4) Sedoheptulose phosphate
(5) Tetrulose phospahte
Ans. (3) Xylulose phosphate
Q.3. Identify the substrate if the repiratory quotient is 1.
(1) Oleic acid
(2) Casein
(3) Citric acid
(4) Glucose
(5) Maleic acid
Ans. (4) Glucose
Q.4. Who proposed the chemiosmotic theory of ATP synthesis?
(1) Hans Kreb
(2) Mitchell
(3) Calvin
(4) Huber
(5) Both 1 and 4
Ans. (2) Mitchell
Q.5. Which pigment is involved in flowering of plants?
(1) Cytochrome
(2) Plastochrome
(3) Phytochrome
(4) Photochrome
(5) Oxychrome
Ans. (3) Phytochrome
Q.6. Which cell organelle is not involved in photo respiratory process directly?
(1) Chloroplast
(2) Peroxisome
(3) Mitochondria
(4) Ribosomes
(5) Endoplasmic reticulum
Ans. (4) Ribosomes
Q.7. The CO2 concentration in the atmosphere presently is around:
(1) 0.37%
(2) 0.037%
(3) 0.0037%
(4) 0.00037%
(5) 0.005%
Ans. (2) 0.037%
Q.8. Which of the following is a non-climacteric fruit?
(1) Banana
(2) Jackfruit
(3) Apple
(4) Grapes
(5) Lytchi
Ans. (4) Grapes
Q.9. Acid Growth Theory explains the mechanism of action of-
(1) Auxin
(2) Gibberellin
(3) Cytokinin
(4) Ethylene
(5) Abscisic acid
Ans. (1) Auxin
Q.10. Which one a sedimentary rock?
(1) Sandstone
(2) Basalt
(3) Quartzite
(4) Diorite
(5) Marble
Ans. (1) Sandstone
