Which one of the following pairs of structures distinguishes a nerve cell from other types of cell ?

(1) Perikaryon and dendrites

(2) Vacuoles and fibres

(3) Flagellum and medullary sheath

(4) Nucleus and mitochondria

Subtopic:  Nervous System |
 81%
NEET - 2007
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Which one of the following statements is correct?
1. Neurons regulate endocrine activity, but not vice versa
2. Endocrine glands regulate neural activity and nervous system regulates endocrine glands
3. Neither hormones control neural activity nor the neurons control endocrine activity
4. Endocrine glands regulate neural activity, but not vice versa

 

Subtopic:  Nervous System |
 60%
NEET - 2006
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Bowman's glands are found in :

1. olfactory epithelium 

2. external auditory canal 

3. cortical nephrons only 

4. juxtamedullary nephrons 

Subtopic:  Smell & Taste (OLD NCERT) |
 90%
NEET - 2006
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

A person showing unpredictable moods, outbursts of emotion, quarrelsome behaviour and

conflicts with others is suffering from :

1. schizophrenia

2. borderline personality disorder (BPD)

3. mood disorders

4. addictive disorders

Subtopic:  Diencephalon |
 52%
NEET - 2006
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Which one of the following not act as a neurotransmitter?

1. Acetylcholine

2. Epinephrine

3. Nor epinephrine

4. Cortisone

Subtopic:  Synapse |
 84%
NEET - 2006
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

In a neuron the concentration of intracellular potassium and extracellular sodium is in a

ratio of

1. 1:1

2. 30:1

3. 10:1

4. 3:1

To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Pick the odd-one out.

1. Nervous tissue : node of Ranvier

2. Ear: aqueduct of Sylvius

3. Bone : Volkman's canal

4. Eye: canal of Schlemm

Subtopic:  Meninges, Ventricles & CSF |
 54%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Though sensitive to entire visible spectrum, the cones in the human eye show maximunm

sensitivity to

1. blue colour

2. green colour

3. red colour

4. all of these.

Subtopic:  Human Eye: Adaptation (OLD NCERT) |
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Unipolar neurons are found only in

1. early embryos

2. olfactory epithelium

3. retina of the eye

4. spinal cord

Subtopic:  Nervous System |
 86%
From NCERT
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

Which of the following types of cells are found in retina ?

1. Neuroglial cell 

3. Schwann cell 

4. Amacrine cell

5. Purkinje cell

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