Introduction to Control & Coordination

Q. Statement 1: A pair of ovaries are present in human females.​
Statement 2: The ovary produces female sex hormones like progesterone and oestrogen.​

1. Both A and R are true and R is not the correct explanation of A.​
2. Both A and R are true and R is the correct explanation of A.​
3. A is true but R is false.​
4. A is false but R is true.​

Q.

A number of metabolic processes are interwoven by:

1. Subordination

2. Non-coordination

3. All of these

4. Coordination

Q. The nerve which transmits impulse from ear to brain is:

1. Auditory nerve
2. Optic nerve
3. Sciatic nerve
4. Occipital nerve

Q. When you touch a hot pan accidently, you pull your hand back immediately. Identify the stimulus in the above statement.

1. Statement is not an example of reflex
2. Pulling the hand back
3. Touching the hot pan
4. Both A and B

Q. A sudden change in the external or internal environment that results in a change in the activities of an organism is known as ______.

1. receptor
2. stimulus
3. impulse
4. effector

Q.

You duck your head when a baseball is thrown at your face. You are responding to:

1. An internal stimulus

2. An external stimulus

3. Pigments

4. Hormones

Q.

When we touch the leaves of a touch-me-not plant, they begin to fold up and droop. What kind of movement is observed here?

1. Growth dependent

2. Growth independent

3. Touch independent

4. Directional movement

Q. Axons of neurons bundle up to form _________.

1. glial cells
2. nerve
3. myelin sheath
4. dendron

Q. The brain is protected by the skull.

1. False
2. True

Q. Axons of neurons bundle up to form a .

1. myelin sheath
2. nerve
3. dendrite