Control and Coordination Class 10 Science MCQ Quiz – Test Your Knowledge

Match the following

The electrical impulse travels in a neuron from

Precision in voluntary action is due to:

A gap between a pair of adjacent nerve cell over which nerve impulses passes is called _____.

Which of the following statements is true?

1. Sudden action in response to something in the environment is called reflex action.
2. Sensory neurons carry signals from the spinal cord to muscles.
3. Motor neurons carry signals from receptors to the spinal cord.
4. The path through which signals are transmitted from a receptor to a muscle or a gland is called the reflex arc.

Assertion (A): The timing and amount of hormone released are regulated by feedback mechanisms.

Reason (R): Oversecretion and under-secretion of hormones are harmful to the body.

Which plant hormone promotes cell enlargement and cell differentiation in the presence of auxins and helps in breaking the dormancy in seeds and buds?

Select the mismatched pair:

Match the following

Which plant hormone promotes the dormancy in seeds and buds, promotes the closing of stomata, and falling of leaves?

Which is the correct sequence of the components of a reflex arc?

Observe the figure given below.

In the figure, some parts are labeled as P, Q, R, S, and T. Given below are functions associated with these parts.

Which part of the brain is matched with incorrect function?

Match the following

Which plant hormone promotes cell division, promotes the opening of stomata, and also fruit growth, helps in breaking the dormancy of seeds and buds, and delays the aging in leaves?