Question

Fill in the blanks:

1. The loss of water from the plants is known as _______.

2. Nervous system is absent in _______ and _______.

3. Response to the stimulus of touch is called _______ whereas response to the stimulus of chemicals is called as _______.

4. Brain is the main _______ centre of the body.

Answer 1

1. The loss of water from the plants is known as transpiration.

2. Nervous system is absent in plants and amoeba.

3. Response to the stimulus of touch is called seismonasty whereas response to the stimulus of chemicals is called as chemotropism.

4. Brain is the main regulatory centre of the body.