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Q. No.Match each item in Column I with one in Column II and select the correct match from the codes given:
Column I
Column II
A. Peripheral neural system
P. Comprises of all nerves associated with brain and spinal cord
B. Somatic neural system
Q. Relays impulses from CNS to skeletal muscles
C. Visceral neural system
R. Transmits impulse from CNS to involuntary organs and smooth muscles
D. Autonomic neural system
S. Part of PNS where impulses travel from CNS to the viscera and from the viscera to the CNS
Codes:
A
B
C
D
1.
P
Q
R
S
2.
Q
R
S
P
3.
R
S
P
Q
4.
S
P
Q
R
Subtopic: Nervous System | Autonomic Nervous System (OLD NCERT) |
66%
From NCERT
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Sympathetic and parasympathetic neural systems are divisions of:
| 1. CNS | 2. Somatic neural system |
| 3. Autonomic neural system | 4. Visceral neural system |
Subtopic: Autonomic Nervous System (OLD NCERT) |
89%
From NCERT
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In a neuron, Nissl’s granules are seen in:
| I. Cell body | II. Dendrites | III. Axon |
| 1. I and II only | 2. I and III only |
| 3. II and III only | 4. I, II and III |
Subtopic: Nervous System |
89%
From NCERT
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Match each item in Column I with one in Column II and select the correct match from the codes given:
Code:
| Column I | Column II | ||
| A. | Multipolar neuron | P. | Embryonic stage |
| B. | Bipolar neuron | Q. | Retina |
| C. | Unipolar neuron | R. | Cerebral cortex |
| A | B | C | |
| 1. | P | Q | R |
| 2. | Q | R | P |
| 3. | R | Q | P |
| 4. | R | P | Q |
Subtopic: Nervous System |
92%
From NCERT
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Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R):
In the light of the above statements choose the correct answer from the options given below:
| Assertion (A): | Neurons are excitable cells. |
| Reason (R): | Their membranes are in a polarised state. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Origin of Resting Membrane Potential | Action Potential |
87%
From NCERT
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The resting axonal membrane is impermeable to:
I: Sodium ions
II: Potassium ions
III: Negatively charges proteins present in the axoplasm
| 1. | I and II only | 2. | I and III only |
| 3. | II and III only | 4. | I, II and III |
Subtopic: Origin of Resting Membrane Potential | Action Potential |
83%
From NCERT
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Each time the sodium-potassium pump functions, it actively transports:
| 1. | 3 sodium ions outwards and 2 potassium ions into the cell. |
| 2. | 3 sodium ions into the cells and 2 potassium outwards. |
| 3. | 2 sodium ions outwards and 3 potassium ions into the cell. |
| 4. | 2 sodium ions into the cells and 3 potassium ions outwards. |
Subtopic: Origin of Resting Membrane Potential | Action Potential |
85%
From NCERT
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In a resting axonal membrane:
| 1. | The outer surface possesses a positive charge while its inner surface becomes negatively charged. |
| 2. | The outer surface possesses a negative charge while its inner surface becomes positively charged. |
| 3. | Both the outer and the inner surface are positively charged. |
| 4. | Both the outer and the inner surface are negatively charged. |
Subtopic: Origin of Resting Membrane Potential | Action Potential |
90%
From NCERT
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The electrical potential difference across the resting axonal membrane is called as the:
| 1. Resting potential | 2. Action potential |
| 3. Threshold potential | 4. Reversal potential |
Subtopic: Origin of Resting Membrane Potential | Action Potential |
84%
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Consider the given statements:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | When a stimulus is applied at a site on the polarised axonal membrane, the membrane at that site becomes freely permeable to sodium ions. |
| II: | A rapid influx of sodium at this point leads to reversal of polarity and the membrane at the site is said to be depolarised. |
| III: | The electric potential difference at the site is called the action potential which is in fact termed as nerve impulse. |
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Origin of Resting Membrane Potential | Action Potential |
85%
From NCERT
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