190
MCQ Questions
35
Assertion-Reason
40
NEET 2025 Pattern
20
Previous Year Q
NCERT Mapping
Neural control and coordination is from NCERT Class 11 Biology, Chapter 18, under the unit Human Physiology. This chapter carries approximately 3% weightage in NEET, based on analysis of the last 10 years of question papers. MedicNEET covers this chapter with 265 questions — every question built from line-by-line NCERT analysis.
Topics in Neural control and coordination
Sample Questions — Neural control and coordination
Try 5 free questions below. Get all 265 in the MedicNEET app.
MCQ
What is the main functional difference between afferent and efferent fibres?
✅ Correct Answer: C
Afferent = input to CNS; Efferent = output from CNS.
MCQ
A patient shows poor balance, irregular heartbeat, and absence of reflexes. Which parts are affected?
✅ Correct Answer: D
Balance = cerebellum, heartbeat = medulla, reflexes = spinal cord.
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MCQ
Q1. Assertion (A): Nissl's granules are found in axons.
Reason (R): Axons perform the function of protein synthesis.
✅ Correct Answer: D
Nissl’s granules are absent in axons because axons do not participate in protein synthesis. Nissl’s granules are present only in cell body and dendrites.
Assertion-Reason
Assertion (A): Electrical synapses are absent in the human neural system.
Reason (R): Chemical synapses are the predominant type of synapses in vertebrates.
✅ Correct Answer: D
NCERT explicitly states “Electrical synapses are rare in our system” - the qualifier “rare” indicates they exist but are uncommon, making the Assertion false (they are not absent). The Reason is independently true from NCERT context about chemical synapses being predominant. Students commonly think electrical synapses don’t exist in humans at all, missing the “rare” qualifier.
NEET 2025 Pattern
Which of the following statements correctly differentiate between myelinated and unmyelinated nerve fibres?
S1: Myelinated fibres are typically found in spinal and cranial nerves, while unmyelinated fibres are common in autonomous and somatic neural systems.
S2: Only myelinated nerve fibres are enclosed by Schwann cells, forming a myelin sheath around the axon.
S3: Impulse conduction is significantly faster in myelinated fibres compared to unmyelinated fibres of similar diameter.
S4: Unmyelinated fibres exhibit saltatory conduction due to the continuous presence of ion channels along their axon membrane.
S5: Both myelinated and unmyelinated nerve fibres conduct nerve impulses away from the cell body.
✅ Correct Answer: D
The question asks to correctly differentiate between myelinated and unmyelinated nerve fibres.
S1: Myelinated nerve fibres are found in spinal and cranial nerves, while unmyelinated nerve fibres are commonly found in autonomous and the somatic neural systems. So, S1 is correct.
S2: Both myelinated and unmyelinated nerve fibres are associated with Schwann cells. However, Schwann cells form a myelin sheath only around myelinated axons; in unmyelinated axons, they enclose the axon without forming a myelin sheath. So, S2 is NOT correct as it implies only myelinated are enclosed.
S3: Myelinated fibres conduct impulses faster due to saltatory conduction. So, S3 is correct.
S4: Saltatory conduction occurs in myelinated fibres due to the nodes of Ranvier. Unmyelinated fibres conduct impulses continuously along the membrane, not saltatorily. So, S4 is NOT correct.
S5: The primary function of an axon, regardless of myelination, is to transmit nerve impulses away from the cell body. So, S5 is correct.
Therefore, statements S1, S3, and S5 correctly differentiate or describe common features.
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Frequently Asked Questions
How many Neural control and coordination questions does MedicNEET have?
MedicNEET has 265 questions for Neural control and coordination, including 190 MCQs, 35 Assertion-Reason questions, and 40 NEET 2025-style long-form questions.
What is the NEET weightage of Neural control and coordination?
Neural control and coordination carries approximately 3% weightage in NEET, based on analysis of the last 10 years of papers. It falls under the Human Physiology unit of Class 11 Biology.
Are Neural control and coordination questions NCERT-based?
Yes, all MedicNEET Neural control and coordination questions are built from line-by-line analysis of NCERT Class 11 textbook. Every question maps to specific NCERT pages and concepts.