The black pigment in the eye which reduces the internal reflection is located in

(a) retina

(c) cornea

(b) iris

(d) sclerotic.

Subtopic:  Basic Anatomy of Human Eye: 1 (OLD NCERT) | Basic Anatomy of Human Eye (OLD NCERT) |
AIIMS - 2007
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Hearing impairment affects which part of brain?

(1) Frontal lobe

(2) Parietal lobe 

(3) Temporal lobe

(4) Cerebellum

Subtopic:  Cerebrum, EEG & Sleep |
 70%
AIIMS - 2007
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

One common example of simplex reflex is 
(1) tying your shoe laces while talking to another person and not looking at them 

(2) watering of mouth at the sight of a favourite food 

(3) climbing up a stairs in dark without stumbling

(4) closing of eyes when strong light is flashed across them.

Subtopic:  Motor Functions of Spinal Cord |
 67%
AIIMS - 2008
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Injury to vagus nerve in humans is not likely to affect
(1) tongue movements

(2) gastrointestinal movements

(3) pancreatic secretion

(4) cardiac movements.

Subtopic:  Hind & Mid Brain |
 53%
AIIMS - 2008
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Which of the following nerves arises from organ of Corti?
(1) Olfactory nerve

(2) Cochlear nerve

(3) Abducens nerve

(4) None of these

Subtopic:  Inner Ear: Cochlea (OLD NCERT) |
 68%
AIIMS - 2009
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

If medulla oblongata is destroyed then which of the following functions wil be effected ?
(1) No thermoregulation

(2) No vision

(3) No memory

(4) No response when pricked with needle

Subtopic:  Hind & Mid Brain |
 55%
AIIMS - 2011
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Na+/K+ pump is associated with

1. passive transport

2. active transport

3. osmosis

4. imbibition.

Subtopic:  Action Potential |
 88%
From NCERT
AIIMS - 2012
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints
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NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following is correctly labelled?
(1) A: Reissner's membrane

(2) B:Scala vestibuli

(3) C: Basilar membrane

(4) D: Tectorial membrane

Subtopic:  Inner Ear: Cochlea (OLD NCERT) |
 81%
From NCERT
AIIMS - 2012
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The release of chemical messenger from synaptic vesicles is under the influence of these ion(s)
(1) CI-

(2) Fe++ and S++

(3) Ca++

(4) Mg++ and Sr++

Subtopic:  Synapse |
 85%
AIIMS - 2012
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Which of the following is true for the function of labelled parts in the diagram below?


(1) A - Blind spot  -   Image is formed here 

(2) B - Fovea       - No visual activity is present

(3) C - Cornea      - Helps to hold lens in place

(4) D - Iris          - Visible coloured portion of eye

Subtopic:  Basic Anatomy of Human Eye: 1 (OLD NCERT) | Basic Anatomy of Human Eye (OLD NCERT) |
 84%
From NCERT
AIIMS - 2013
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh