CBSE - Control and Coordination

1 Control and Coordination 

How many pairs of spinal nerves arise from spinal cord ?
(1) 31 Pairs (2) 30 Pairs (3) 40 Pairs (4) None of these

2 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

3 Control and Coordination 

Name the plant hormone responsible for falling of senescent leaves
(1) Gibberelin (2) Auxin (3) Cytokinin (4) Abscisic acid

4 Control and Coordination 

Which one is anti transpirant hormones?

(1) Auxin
(2) Cytokinin
(3) Abscisic Acid
(4) Gibberellin

5 Control and Coordination 

An average Gestation period in Human beings is .....

(1) 290 days
(2) 280 days
(3) 275 days
(4) 300 days

6 Control and Coordination 

In a neuron, conversion of electrical signal to a chemical signal occurs at/in
(1) Axon (2) Dendrite end (3) Axonal end (4) Cell body

7 Control and Coordination 

How many spinal nerves are attached to the spinal cord of man ?

(1) 62 
(2) 42 
(3) 31 
(4) 21

8 Control and Coordination 

The seat of intelligence, thinking and judgment in human brain is ---- 

(1) Cerebrum  
(2) Medulla oblongata
(3) Cerebellum  
(4) Mid brain

9 Control and Coordination 

In how many parts human brain is divided
(1) 4 (2) 5 (3) 3 (4) 2

10 Control and Coordination 

Corpus callosum present in

(1) Medulla Oblongata
(2) Pons
(3) Cerebreum
(4) Cerebellum