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
Which of the following pairs are correctly matched?
(i) Cereal crops - Sorghum (ii) Pulse crops - Lentil
(iii) Oil seed crops - Sesame (iv) Fodder crops - Castor
(1) (i) & (ii) (2) (ii) & (iv) (3) (i), (ii) & (iii) (4) (iii) & (iv)
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 3 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
An average Gestation period in Human beings is .....
(1) 290 days
(2) 280 days
(3) 275 days
(4) 300 days
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 2 Solution : -. |
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
The major natural Auxin is ….
(1) IBA
(2) 2, 4D
(3) IAA
(4) NAA
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 3 Solution : -. |
Control and Coordination
Corpus callosum present in
(1) Medulla Oblongata
(2) Pons
(3) Cerebreum
(4) Cerebellum
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 3 Solution : -. |
Control and Coordination
Which of the following gives the correct sequence of the composition a reflex arc?
(1) receptors -> muscle -> sensory neuron -> motor neuron -> spinal cord
(2) receptors -> motor neuron -> spinal cord -> sensory neuron -> muscle
(3) receptors -> spinal cord -> sensory neuron -> motor neuron -> muscle
(4) receptors -> sensory neuron -> spinal cord -> motor neuron -> muscle
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 4 Solution : -. |
Control and Coordination
In how many parts human brain is divided
(1) 4 (2) 5 (3) 3 (4) 2
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 3 Solution : -. |
