Question 1

Which of the following is a plant hormone?

Accepted Answer

Auxin is a plant hormone responsible for plant growth, particularly phototropism and gravitropism. Insulin, thyroxin, and estrogen are animal hormones.

Question 2

The gap between two neurons is called a:

Accepted Answer

The gap between the axon of one neuron and the dendrite of the next neuron is called a synapse. It allows information to pass from one neuron to the next.

Question 3

The brain is responsible for:

Accepted Answer

The brain is responsible for thinking, regulating the heart rate, balancing the body, and therefore all the given functions are correct.

Question 4

What is the function of receptors in our body?

Accepted Answer

Receptors are specialized cells that detect information (stimuli) from the environment, such as light, sound, taste, and smell, and pass it to the nervous system.

Question 5

Which part of the brain maintains posture and balance of the body?

Accepted Answer

The cerebellum, a part of the hindbrain, is responsible for maintaining the posture and balance of the body and precision of voluntary actions.

Control and Coordination — NCERT Class 10 Science Important Questions & Revision Notes