Q. No.| Column I | Column II | ||
| (a) | Bipolar neuron | (i) | Schwann cells |
| (b) | Myelin sheath | (ii) | Cerebral cortex |
| (c) | Multipolar nuron | (iii) | Retina of eye |
| (d) | Unmyelinated nerve fibres | (iv) | Autonomic neural system |
1. a(i), b(iii), c(ii), d(iv)
2. a(ii), b(i), c(ii), d(iv)
3. a(iv), b(ii), c(i), d(iii)
4. a(i), b(ii), c(iii), d(iv)
The canal passing through the midbrain is called
| 1. | Medulla oblongata |
| 2. | Cerebral aqueduct |
| 3. | Eustachian tube |
| 4. | Aqueous chamber |
The major coordinating centre for sensory and motor signaling is __X__ and centre for controlling respiration, cardiovascular reflex and gastric secretion is __Y__.
X Y
1. Medulla Oblongata Cerebrum
2. Cerebrum Pons
3. Thalamus Medulla Oblongata
4. Hypothalamus Pons
| (a) | A canal called the _______(i)________ passes through the midbrain. |
| (b) | The cerebrum wraps around a structure called _________(i)_________ , which is a major coordinating centre for sensory and motor ________(ii)__________ . |
| (c) | The (i) portion of the midbrain consists mainly of four round lobes called _________(ii)__________. |
| 1. | (c)-(i) ventral (ii) corpora quadrigemina (a)-(i) ventricle |
| 2. | (b)-(i) pons (ii) impulses (a)-(i) aqueduct |
| 3. | (a)-(i) aqueduct of Sylvius (b)-(i) amygdala (ii) association |
| 4. | (a)-(i) cerebral aqueduct (c)-(i) dorsal (ii) corpora quadrigemina |
Injury localized to the hypothalamus would most likely disrupt
| 1. | Short-term memory |
| 2. | Co-ordination during locomotion |
| 3. | Executive functions, such as decision making |
| 4. | Regulation of body temperature |
Gut peristalsis, involuntary breathing, respiratory centre, blood pressure, regulation of heart beat is under control of
| 1. | Medulla oblongata | 2. | Cerebellum |
| 3. | Hypothalamus | 4. | Cerebrum |
Vomiting is generally preceded by increased salivation, sweating, faster heart beat and a feeling of nausea. It is a complex reflex coordinated by the vomiting centre in the
1. Hypothalamus
2. Medulla of the brain
3. Somatosensory area
4. Motor area of the brain
| Column-I | Column-II | |
| 1. | Medulla oblongata | controls respiration and cardiovascular reflexes. |
| 2. | Limbic system | consists of fibre tracts that interconnect different regions of brain; controls movement. |
| 3. | Hypothalamus | production of releasing hormones and regulation of temperature, hunger and thirst. |
| 4. | Corpus callosum | band of fibers connecting left and right cerebral hemispheres. |
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