Control and Coordination
Name the plant hormone responsible for falling of senescent leaves
(1) Gibberelin (2) Auxin (3) Cytokinin (4) Abscisic acid
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 4 Solution : -. |
Control and Coordination
One of the following is a mismatched pair.
(1) Gibberellins-delaying dormancy in seeds.
(2) Ethylene-ripening of fruit.
(3) Auxins-cell elongation.
(4) Abscisic acid-closing of stomata.
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 1 Solution : -. |
Control and Coordination
How many spinal nerves are attached to the spinal cord of man ?
(1) 62
(2) 42
(3) 31
(4) 21
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 1 Solution : -. |
Control and Coordination
Which one of the following pairs do regulate the flowering in plants?
(1) Auxin and Ethylene
(2) Cytokinin and Ethylene
(3) Florigen and Phytochrome
(4) Gibberellin and Ethylene
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 3 Solution : -. |
Control and Coordination
The seat of intelligence, thinking and judgment in human brain is ----
(1) Cerebrum
(2) Medulla oblongata
(3) Cerebellum
(4) Mid brain
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 1 Solution : -. |
Control and Coordination
Involuntary actions including blood pressure, salivation and vomiting are controlled by-
(1) Cerebellum
(2) Pons
(3) Cerebrum
(4) Medulla
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 4 Solution : -. |
Control and Coordination
The sensitive plant Mimosa pudica shows seismonastic movement as a result of which the whole leaf droops down. The drooping is due to _____.
(1) Loss of turgidity of the basal part of the leaf
(2) Swelling of the basal part of the leaf
(3) Change in direction of the leaf growth
(4) None of these
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 1 Solution : -. |
Control and Coordination
Match the items in Group-1 with Group- 2.
Choose the correct answer :
(1) A-iv, B-i, C-iii, D-ii (2) A-iii, B-i, C-iv, D-ii (3) A-iii, B-iv, C-i, D-ii (4) A-ii, B-i, C-iv, D-iii
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 1 Solution : -. |
Control and Coordination
Which one is anti transpirant hormones?
(1) Auxin
(2) Cytokinin
(3) Abscisic Acid
(4) Gibberellin
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 3 Solution : -. |
