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Q. No.Identify the part of the human brain:
I: where the thermostat of the human body is located
II. that has endocrine functions and synthesises neurohormones
III. that has hunger centre
IV: that has osmoreceptors and plays important role in osmoregulation
1. Thalamus
2. Cerebrum
3. Hypothalamus
4. Mid brain
Subtopic: Diencephalon |
93%
From NCERT
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Consider the given two statements:
Statement I: The entire process of response to a peripheral nervous stimulation, that occurs involuntarily is called a reflex action.
Statement II: A reflex is made possible by neural pathways called reflex arcs which can act on an impulse before that impulse reaches the brain.
1. Both Statement I and Statement II are correct
2. Both Statement I and Statement II are incorrect
3. Statement I is correct but Statement II is incorrect
4. Statement I is incorrect but Statement II is correct
Statement I: The entire process of response to a peripheral nervous stimulation, that occurs involuntarily is called a reflex action.
Statement II: A reflex is made possible by neural pathways called reflex arcs which can act on an impulse before that impulse reaches the brain.
1. Both Statement I and Statement II are correct
2. Both Statement I and Statement II are incorrect
3. Statement I is correct but Statement II is incorrect
4. Statement I is incorrect but Statement II is correct
Subtopic: Nervous System |
81%
From NCERT
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Consider the given statements regarding the middle layer of the wall of human eyeball:
I: Choroid contains many blood vessels and looks bluish in colour.
II. It becomes thick in the anterior part to form the ciliary body.
III. The ciliary body itself continues forward to form the iris which is the visible cloured portion of the eye.
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: Choroid contains many blood vessels and looks bluish in colour.
II. It becomes thick in the anterior part to form the ciliary body.
III. The ciliary body itself continues forward to form the iris which is the visible cloured portion of the eye.
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: Human Eye (OLD NCERT) | Basic Anatomy of Human Eye (OLD NCERT) |
81%
From NCERT
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Consider the given two statements:
| Statement I: | Photopic vision and colour vision is the function of rods in the human eye. |
| Statement II: | Scotopic [twilight] vision is the function of cones in the human eye. |
| 1. | Both Statement I and Statement II are correct |
| 2. | Both Statement I and Statement II are incorrect |
| 3. | Statement I is correct but Statement II is incorrect |
| 4. | Statement I is incorrect but Statement II is correct |
Subtopic: Human Eye (OLD NCERT) | Basic Anatomy of Human Eye (OLD NCERT) |
81%
From NCERT
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Consider the given two statements:
| Statement I: | The point where the optic nerve leaves the human eyeball is called as the blind spot. |
| Statement II: | This area has only cones with highest visual acuity in human eye. |
| 1. | Both Statement I and Statement II are correct |
| 2. | Both Statement I and Statement II are incorrect |
| 3. | Statement I is correct but Statement II is incorrect |
| 4. | Statement I is incorrect but Statement II is correct |
Subtopic: Human Eye (OLD NCERT) |
78%
From NCERT
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In the human eyeball, the space between the lens and the retina is called:
1. canal of Schlemm, and is filled with aqueous humor.
2. anterior chamber, and is filled with vitreous humor.
3. aqueous chamber, and is filled with aqueous humor.
4. vitreous chamber, and is filled with vitreous humor.
1. canal of Schlemm, and is filled with aqueous humor.
2. anterior chamber, and is filled with vitreous humor.
3. aqueous chamber, and is filled with aqueous humor.
4. vitreous chamber, and is filled with vitreous humor.
Subtopic: Human Eye (OLD NCERT) |
79%
From NCERT
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Arrange the following events in correct chronological order of their occurrence regarding the recognition of an object seen by our eyes:
| I. | Light induces dissociation of retinal from opsin. |
| II. | There is a change in the permeability of the membrane of photoreceptors. |
| III. | Potential differences are generated in the photoreceptor cells. |
| IV. | Action potential is generated in the ganglion cells through the bipolar cells. |
| V. | Optic nerve transmits impulse to visual cortex. |
| VI. | Neural impulses are analysed and the image formed on the retina is recognised based on earlier memory or experience. |
| 1. | I → III → II → IV → V → VI → VII |
| 2. | I → II → IV → III → V → VI → VII |
| 3. | I → II → III → IV → V → VI → VII |
| 4. | I → II → III → IV → V → VII → VI |
Subtopic: Human Eye (OLD NCERT) |
62%
From NCERT
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Which ear ossicle articulates with a bone on its either side?
1. Malleus
2. Incus
3. Stapes
4. All of them
1. Malleus
2. Incus
3. Stapes
4. All of them
Subtopic: Outer & Middle Ear (OLD NCERT) |
56%
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In the inner ear:
Statement I: Scala media is filled with endolymph.
Statement II: Scala vestibuli ends at round window and scala tynpani ends at oval window.
1. Both Statement I and Statement II are correct
2. Both Statement I and Statement II are incorrect
3. Statement I is correct but Statement II is incorrect
4. Statement I is incorrect but Statement II is correct
Statement I: Scala media is filled with endolymph.
Statement II: Scala vestibuli ends at round window and scala tynpani ends at oval window.
1. Both Statement I and Statement II are correct
2. Both Statement I and Statement II are incorrect
3. Statement I is correct but Statement II is incorrect
4. Statement I is incorrect but Statement II is correct
Subtopic: Inner Ear: Cochlea (OLD NCERT) |
67%
From NCERT
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Consider the given statements:
| Statement I: | In a neuron, Nissl’s granules are not present in dendrites. |
| Statement II: | Unmyelinated nerve fibre is not enclosed by a Schwann cell in the peripheral neural system. |
| Statement III: | Myelinated neurons conduct impulse at a higher velocity when compared to unmyelinated neurons. |
| 1. | Only Statement I and Statement II are correct |
| 2. | Only Statement III is correct |
| 3. | Statement II and Statement III are incorrect |
| 4. | Statement I, Statement II and Statement III are correct |
Subtopic: Nervous System |
74%
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