Question

fill up the blank
(b) An automatic response to a stimulus which is not controlled by brain is called.-----
(c) Chemical messengers which control and coordinate in plants and
animals are called----
(d) The movement of a plant part in the direction of light iscalled_---------
(e)_--------is the movement of plant part in response to the availability ofwater.
(f) -------is the movement of plant part in response to the pull of earth'sgravity
(g) The movement of plant part in response to certain chemicals is
called--------
(h)------- is the reflex centre of thebrain.
(i)------ is a structure associated with both nervous system and
endocrinesystem.
​

Answer 1

Answer: 1 )reflex arc

2)hormones

3)phototropism

4)hydrotropism

5)geotropism

6) chemotropism

7)brainstem(mid brain and hindbrain)

8)

Explanation:

Answer 2

b)reflex action

c)hormone

d)phototropic movement

e)hydrotropic movement

f)gravitropic movement

g)chemotropic movement

h)medulla oblongata

i)brain