Introduction to Control & Coordination

Q.

Define coordination.

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

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

Q. Identify the organism and the phylum it belongs to-

1. Holothuria: Porifera
2. Echinus: Echinodermata
3. Balanoglossus: Protochordata
4. Unio: Mollusca

Q. circadian rhythms of our body is controlled by

1. brain
2. kidney
3. spinal cord
4. none of the above

Q.

Give technical term for the nerve, which transmits impulses from the ear to the brain.

Q. Which of the following is an example of chemical coordination?

1. When you touch a hot plate, you withdraw your hand immediately.
2. If someone runs in front of the car you're driving, you suddenly apply the brake.
3. If you are attacked by a bull, you try to run away from it.
4. Playing a fast game like tennis.

Q. Sudden, spontaneous response to a stimulus is called as

1. Reflex stimulus
2. Reflex action
3. Motor impulse
4. Sensory impulse

Q.

Notochord is present in organisms which belongs to phylum .

1. Protochordata
2. Mollusca
3. Echinodermata

Q. Bundles of fibres that can contract and relax as required are known as:

1. Nerve Bundle
2. Nervous system
3. Muscle
4. Hair

Q.

Notochord is present in organisms which belongs to phylum .

1. Protochordata
2. Mollusca
3. Echinodermata