Consider the following statements:

I. A motor neuron along with the muscle fibers connected to it constitute a motor unit

II. The neurotransmitter released at the neuro-muscular junction is Acetylcholine.

III. Myosin head has ATPase activity

Which of the above statements are true?

1. I and II only

2. I and III only

3. II and III only

4. I, II, and III

Subtopic:  Neuroanatomy |
 83%
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

Human neural system has

(1) CNS

(2) PNS

(3) Both A and B

(4) MNS

Subtopic:  Nervous System |
 97%
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

The gaps between two adjacent myelin sheath are called

(1) Nodes of Ranvier

(2) Axon terminal

(3) Synaptic knob

(4) Schwan cell

Subtopic:  Nervous System |
 95%
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

Neuron cannot perform which of the following functions?

(1) Detection of stimuli

(2) Receiving stimuli

(3) Transmitting different kinds of stimuli

(4) Giving nutrition to neuroglial cells

Subtopic:  Nervous System |
 93%
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

Myelinated nerve fibres are found in

(1) Cranial nerves

(2) Spinal nerves

(3) Both A and B

(4) Not in CNS

Subtopic:  Nervous System |
 89%
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

Axon cannot have

(1) Synaptic knob with synaptic vesicles

(2) Distal end is branched

(3) Synaptic vesicles have chemicals called neurotransmitters

(4) Nissl's Granules

Subtopic:  Nervous System |
 88%
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 is not associated with ANS?

(1) Sympathetic neural system

(2) Parasympathetic neural system

(3) Somatic Neural system

(4) Both B and C

Subtopic:  Nervous System |
 88%
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 does not has brain?

(1) Hydra

(2) Insects

(3) Vertebrates

(4) Earthworm

Subtopic:  Nervous System |
 90%
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

CNS is not

(1) Brain

(2) Spinal cord

(3) Site of information processing and control

(4) Tissues/organs

Subtopic:  Nervous System |
 91%
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

Multipolar neurons are

(1) One axon and two or more dendrites

(2) One dendrites and two or more axon

(3) Multiple dendrites and no axon

(4) No dendrites and multiple axon

Subtopic:  Nervous System |
 91%
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