Chapter Exam

Chapter 15: Nervous System — Online MCQ Test

Q: Which part of the neuron receives impulses from other neurons?

Answer: B. Dendrite — Dendrites are branched projections of a neuron that act as the primary sites for receiving signals from other neurons.

Q: The gap between two adjacent neurons is called a ____.

Answer: A. Synapse — A synapse is the microscopic junction where information is transmitted from one neuron to another.

Q: Which division of the nervous system is often referred to as the 'rest and digest' system?

Answer: B. Parasympathetic nervous system — The parasympathetic nervous system promotes activities like digestion and heart rate reduction during relaxed states.

Q: A patient exhibits loss of balance and irregular movement after a head injury. Which brain region is most likely affected?

Answer: B. Cerebellum — Ataxia, or loss of coordination and balance, is the clinical indicator of damage to the cerebellum.

SCIENCE · CLASS 10th · Tamil Nadu State Board

Practice Chapter 15: Nervous System with a free chapter-wise online MCQ test for Tamil Nadu State Board CLASS 10th SCIENCE. This chapter covers: This chapter examines human neural architecture including central peripheral and autonomous nervous systems. Students explore neuron structure nerve impulse transmission brain anat.... AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter 15: Nervous System — Important Questions & Answers (FAQ)

Frequently asked questions from Tamil Nadu State Board CLASS 10th SCIENCE — Chapter 15: Nervous System, with answers and explanations. These are sample questions; the exam has its own separate question set.

Which part of the neuron receives impulses from other neurons?

A. Axon
B. Dendrite ✓
C. Cyton
D. Myelin sheath

Answer: B. Dendrite
Dendrites are branched projections of a neuron that act as the primary sites for receiving signals from other neurons.

The gap between two adjacent neurons is called a ____.

A. Synapse ✓
B. Node of Ranvier
C. Axon hillock
D. Dendron

Answer: A. Synapse
A synapse is the microscopic junction where information is transmitted from one neuron to another.

Which division of the nervous system is often referred to as the 'rest and digest' system?

A. Sympathetic nervous system
B. Parasympathetic nervous system ✓
C. Somatic nervous system
D. Central nervous system

Answer: B. Parasympathetic nervous system
The parasympathetic nervous system promotes activities like digestion and heart rate reduction during relaxed states.

If the dorsal root of a spinal nerve is damaged, what will be the effect?

A. Motor control will be lost
B. Both sensory and motor signals will stop
C. Sensory information will not reach the spinal cord ✓
D. The spinal cord will stop functioning entirely

Answer: C. Sensory information will not reach the spinal cord
The dorsal root contains sensory neurons; damaging it prevents sensory impulses from reaching the central nervous system.

A patient exhibits loss of balance and irregular movement after a head injury. Which brain region is most likely affected?