List-I | List-II | ||
A. | Limbic system | I. | Body temperature |
B. | Arachnoid | II. | Tract of nerve fibres |
C. | Corpus callosum | III. | Amygdala |
D. | Hypothalamus | IV. | Cranial meninge |
Statement I: | The cerebral hemispheres are connected by nerve tract known as corpus callosum. |
Statement II: | The brain stem consists of the medulla oblongata, pons and cerebrum. |
1. | Both Statement I and Statement II are incorrect. |
2. | Statement I is correct but Statement II is incorrect. |
3. | Statement I is incorrect but Statement II is correct. |
4. | Both Statement I and Statement II are correct. |
List I | List II | ||
1. | Pons | I. | Provides additional space for Neurons, regulates posture and balance |
2. | Hypothalamus | II. | Controls respiration and gastric secretions |
3. | Medulla | III. | Connects different regions of the brain |
4. | Cerebellum | IV. | Neuro secretory cells |
List-I | List-II | ||
A. | Schwann cells | I. | Neurotransmitter |
B. | Synaptic knob | II. | Cerebral cortex |
C. | Bipolar neurons | III. | Myelin Sheath |
D. | Multipolar neurons | IV. | Retina |
List-I | List-II | ||
(a) | Multipolar neuron | (i) | Somatic neural system |
(b) | Bipolar neuron | (ii) | Cerebral cortex |
(c) | Myelinated nerve fibre | (iii) | Retina of Eye |
(d) | Unmyelinated nerve fibre | (iv) | Spinal nerves |
(a) | (b) | (c) | (d) | |
1. | (iii) | (i) | (iv) | (ii) |
2. | (ii) | (iv) | (iii) | (i) |
3. | (ii) | (iii) | (i) | (iv) |
4. | (ii) | (iii) | (iv) | (i) |
1. | Impulse Transmission across a chemical synapse is always faster than that across an electrical synapse. |
2. | The membranes of presynaptic and postsynaptic neurons are in close proximity in an electrical synapse. |
3. | Electrical current can flow directly from one neuron into the other across the electrical synapse. |
4. | Chemical synapses use neurotransmitters. |
Which of the following statement is correct for the node of Ranvier of nerve:
1. Neurilemma is discontinuous
2. Myelin sheath is discontinuous
3. Both neurilemma & Myelin sheath are discontinuous
4. Covered by myelin sheath
Depolarization of axolemma during nerve conduction takes place because of:
1. | Equal amount of Na+ & K+ moves out across axolemma |
2. | Na+ ions move inside |
3. | More Na+ ions are outside |
4. | None of the above |