In the human eye:
1.
the choroid is avascular
2.
lens is held in place by ligaments attached to the ciliary body
3.
photopic vision and colour perception is a function of rods
4.
aqueous humor has a gel-like consistency
Subtopic: Â Human Eye (OLD NCERT) |
 83%
From NCERT
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Identify the incorrectly matched pair:
| 1. | Medulla oblongata | Gastric secretions |
| 2. | Hypothalamus | Control of body temperature |
| 3. | Limbic system | Behaviour |
| 4. | Association areas | Purely sensory areas in the cerebrum |
Subtopic: Â Diencephalon |
 71%
From NCERT
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What is the sensory part of the utricle and saccule in the internal ear?
1. Macula
2. Cupula
3. Crista
4. Organ of Corti
1. Macula
2. Cupula
3. Crista
4. Organ of Corti
Subtopic: Â Inner Ear: Cochlea (OLD NCERT) |
 76%
From NCERT
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What restores the resting membrane potential of the axonal membrane at the site of excitation?
| 1. | Influx of sodium ions | 2. | Efflux of sodium ions |
| 3. | Influx of potassium ions | 4. | Efflux of potassium ions |
Subtopic: Â Origin of Resting Membrane Potential |Â Action Potential |
From NCERT
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The axonal membrane:
| 1. | is relatively more permeable to potassium ions than to sodium ions during its resting stage |
| 2. | is relatively more permeable to sodium ions than to potassium ions during its resting stage |
| 3. | is equally permeable to potassium ions and to sodium ions during its resting stage |
| 4. | is impermeable to potassium ions and to sodium ions during its resting stage |
Subtopic: Â Origin of Resting Membrane Potential |Â Action Potential |
 85%
From NCERT
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In the human ear:
| 1. | Tectorial membrane separates the scala vestibuli and scala media |
| 2. | Reissner’s membrane separates the scala media and the scala tympani |
| 3. | Basilar membrane lies over the hair cells of the organ of Corti |
| 4. | Tympanic membrane separates the external ear and the middle ear |
Subtopic: Â Outer & Middle Ear (OLD NCERT) |
 61%
From NCERT
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Dysfunction of which of the following parts of the human brain is most likely to affect learning and memory?
1. Pons
2. Hippocampus
3. Cerebellum
4. Hypothalamus
1. Pons
2. Hippocampus
3. Cerebellum
4. Hypothalamus
Subtopic: Â Diencephalon |
 52%
From NCERT
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Cones in human eye:
1. are of three types and function in photopic and colour vision
2. are of three types and function in scotopic vision
3. are of two types and function in photopic and colour vision
4. are of two types and function in scotopic vision
1. are of three types and function in photopic and colour vision
2. are of three types and function in scotopic vision
3. are of two types and function in photopic and colour vision
4. are of two types and function in scotopic vision
Subtopic: Â Basic Anatomy of Human Eye (OLD NCERT) |
 76%
From NCERT
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Which of the following statements is/are true?
| I: | The resting axonal membrane is relatively more permeable to potassium ions and nearly impermeable to sodium ions. |
| II: | Sodium potassium pump transports 3 Na+ outwards for 2 K+ into the cell. |
| 1. | Only I |
| 2. | Only II |
| 3. | Both I and II |
| 4. | Neither I nor II |
Subtopic: Â Origin of Resting Membrane Potential |Â Action Potential |
 83%
From NCERT
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Select the incorrect statement regarding synapses:
| 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. |
Subtopic: Â Synapse |
 88%
From NCERT
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
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