Neural Control and Co-ordination Questions and Answers Part-4

1. Which of the following is true about midbrain?
a) A canal called cerebral aqueduct passes through the mid-brain.
b) The dorsal portion of mid-brain consists of four round swelling called corpora quadrigemina.
c) It forms the part of brain stem.
d) All the above

Answer: d
Explanation: All the above

2. The hind-brain consists of
a) Pons
b) Medulla oblongata
c) Cerebellum
d) All of these

Answer: d
Explanation: All of these

3. Hypothalamus controls
a) Body’s thermostat
b) Respiration
c) Gastric secretions
d) All of these

Answer: a
Explanation: Body’s thermostat

4. Limbic system controls
a) Sexual behaviour
b) Motivation
c) Affection
d) All of these

Answer: d
Explanation: All of these

5. Corpora quadrigemina are present on _____ portion of Mesencephalon (midbrain).
a) Anterior
b) Dorsal
c) Ventral
d) Lateral

Answer: b
Explanation: Dorsal

6. Which of the following is false about hind-brain?
a) Pons, a part of it consist of fibre tracts that interconnects different regions of brain.
b) The cerebellum part of it has very convoluted surface to accommodate many neurons.
c) Medulla of this part is connected to the spinal cord.
d) The hind-brain is known for regular excitement, pleasure, rag and fear.

Answer: d
Explanation: "The hind-brain is known for regular excitement, pleasure, rag and fear". This is false about hind-brain.

7. Medulla contains the centre for
a) Respiration
b) Cardiovascular reflex
c) Gastric Secretion
d) All of these

Answer: d
Explanation: All of these

8. Which of the following consists of fibre tracts interconnecting the different regions of brain?
a) Cerebellum
b) Pons varoli
c) Medulla
d) All of these

Answer: b
Explanation: Pons varoli

9. Which of the following helps in the regulation of respiration?
a) Medulla
b) Cerebral cortex
c) Pons
d) Both (a) and (c)

Answer: d
Explanation: Both (a) and (c)

10. Reflex action is under
a) CNS
b) Spiral cord
c) Peripheral Nervous Stimulation
d) Voluntary response

Answer: c
Explanation: Peripheral Nervous Stimulation