1. Intrinsic factor for plant development includes
a) Intercellular
b) Intracellular
c) Both (a) and (b)
d) None of these
Explanation: Both (a) and (b)
2. Inter cellular factor required for development in plant include ________
a) Chemical regulators
b) Genetic
c) Both (a) and (b)
d) None of these
Explanation: Inter cellular factor required for development in plant include chemical regulators.
3. Intracellular factor required for development in plant include
a) Chemical regulators
b) Genetic
c) Both (a) and (b)
d) None of these
Explanation: Genetic
4. Extrinsic factor for plant development includes ________
a) Light
b) Temperature
c) Water
d) All of these
Explanation: All of these
5.Nutrition is included in which phase of plant development?
a) Former
b) Latter
c) Both (a) and (b)
d) None of these
Explanation: Latter
6.Oxygen is exchanged in which phase of plant development?
a) Former
b) Latter
c) Both (a) and (b)
d) None of these
Explanation: Former
7. Which of the following is not a characteristic of a PGR?
a) They are large
b) Simple molecules
c) They are of diverse chemical composition
d) None of the above
Explanation: They are large
8.Match the following for PGR.
Column I Column II
A. IAA – i. Carotenoids
B. Kinetin – ii. Terpenes
C. ABA – iii. Indole compounds
D. GA3 – iv. Adenine derivatives
a) (A–iii) (B–iv) (C–i) (D–ii)
b) (A–i) (B–iii) (C–ii) (D–iv)
c) (A–iv) (B–ii) (C–iii) (D–i)
d) (A–ii) (B–i) (C–iv) (D–iii)
Explanation: (A–iii) (B–iv) (C–i) (D–ii)
9. \[N^{6}\]–furfurylamino purine is which derivative?
a) Indole compounds
b) Adenine
c) Terpenes
d) Carotenoids
Explanation: Adenine
10. How many of the following are phytohormones?
ABA, \[C_{2}H_{4}\], IAA, \[GA_{3}\], ABA
a) 2
b) 3
c) 4
d) 5
Explanation: 5