Transmission of an impulse across electrical synapses

(1) Is very different to impulse conduction along a single axon

(2) Is very similar to impulse conduction along a single axon

(3) Is same as that of chemical synapse

(4) Both A and C

Subtopic:  Synapse |
 76%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Which of the following is not associated with Impulse transmission across an electrical synapse?

(1) Faster than chemical synapse

(2) Rare in our system

(3) No synaptic cleft

(4) Impulse transmission is not similar as that of transmission within a neuron

Subtopic:  Synapse |
 84%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Synaptic cleft is not

(1) Separated by pre synaptic and post synaptic neurons

(2) a fluid filled space

(3) A part of synapse

(4) Present in all synapses

Subtopic:  Synapse |
 82%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Which of the following is not associated with chemical synapse?

(1) Slower than electrical synapse

(2) Synaptic cleft

(3) Release of neurotransmitter

(4) Transmission is similar as that of nerve impulse within an axon

Subtopic:  Synapse |
 90%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Arrange them in order.

a. Movement of synaptic vesicles.   
b. Arrival of action potential      
c. Fusion of synaptic vesicles   
d. Release of neurotransmitters in the synaptic cleft.     
e. opening of ion channels       
f. Neurotransmitter binds to specific receptor over post synaptic membrane.     
g. new potential in post synaptic neuron

(1) b-a-c-d-f-e-g

(2) b-d-c-a-e-f-g

(3) a-d-c-b-f-g-e

(4) d-b-c-e-a-f-g

Subtopic:  Synapse |
 78%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Nerve impulse travelling through synapses cannot be

(1) Excitatory

(2) Inhibitory

(3) Both A and B

(4) Apolar neuronic

Subtopic:  Action Potential |
 80%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Which of the following is the outermost mean of protection for brain?

(1) Skull

(2) Dura mater

(3) Arachnoid

(4) Pia mater

Subtopic:  Meninges, Ventricles & CSF |
 68%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Which of the following is the outermost cranial meninges?

(1) Pia mater

(2) Dura mater

(3) Arachnoid

(4) Skull

Subtopic:  Meninges, Ventricles & CSF |
 89%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Which of the following cranial meninges is in close contact of the brain tissue?

(1) Arachnoid

(2) Pia mater

(3) Dura mater

(4) Skull tissue

Subtopic:  Meninges, Ventricles & CSF |
 91%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Which of the following is the middle layer of cranial meninges?

(1) Arachnoid

(2) Dura mater

(3) Pia mater

(4) Skull

Subtopic:  Meninges, Ventricles & CSF |
 92%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch