CBSE - Control and Coordination

1 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

2 Control and Coordination 

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

3 Control and Coordination 

Which one is anti transpirant hormones?

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

4 Control and Coordination 

Involuntary actions including blood pressure, salivation and vomiting are controlled by-

(1) Cerebellum
(2) Pons
(3) Cerebrum
(4) Medulla

5 Control and Coordination 

If you keep a ripened fruit in the midst of a basket of raw fruits, all the fruit s get ripened in short period. Because of
(1) Auxin produced by ripened fruits.
(2) Abscisic acid produced by ripened fruits.
(3) Ethylene produced by ripened fruits.
(4) Gibberellins produced by ripened fruits.

6 Control and Coordination 

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

7 Control and Coordination 

Corpus callosum present in

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

8 Control and Coordination 

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

(1) 62 
(2) 42 
(3) 31 
(4) 21

9 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

10 Control and Coordination 

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

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