Fill in the blanks:

Since the United States is a coming together type of federation, all the constituent States have equal powers and States are strong vis-à-vis the federal government. But India is a holding together type of federation and some States have more power than others. In India, the Central government has more powers.

(i) 90° 

(ii) 180° 

(iii) supplementary 

(iv) linear pair 

(v) equal 

(vi) obtuse angles

1. Basic structural unit of the nervous system is the neuron.

2. Central nervous system consists of brain and spinal cord.

3. A neuron consists of cell body, dendrite and axon.

4. The neurons carrying impulses from the brain to the muscles are called motor or efferent neurons.

5. Peripheral nervous system consists of nerves.

6. The three main parts of the brain are cerebrum, cerebellum and medulla oblongata (brain stem).

I. — Protoplasts;

II. — Somatic hybridisation;

III. — Pomato;

IV. — Somatic hybrid