Control and Coordinations (Animal) 10

Q. 1 Which is the main thinking part of brain ?

Q.2  Which part of the nervous system controls reflex arcs ?

Q.3.  Why endocrine glands release their secretions into the blood ?

Q.4.  What type of movement is shown by mimosa plant leaves when touched with a finger ?

Q.5 In a neuron :

(i) Where is information received ?

(ii) Thorough what the information travels as an impulse ?

(iii) Where does the impulse get converted into a chemical signal for outward

transmission ?

Q.6 (a) What happens at the synapse between two neurons ?

(b) How is brain protected ?

Q.7 (a) What is reflex are ?   (b) How do muscle cells move ?

Q.8 (a) Name the major parts of brain.

(b) Name the part of brain responsible for maintaining the posture and balance of  the body

Q.9 (a) Write function of medulla oblongata.

(b) Write the technical term of brain box.

(c) Name the different parts of hind brain.

Q.9 (a) How are movement of leaves of touch me Not plant and growth of stem towards light different ?

(b) What is chemotropism ? Give one example.

(c) What is tropism ?

Q.10 Which is the main thinking part of brain ?