NSEB Neural Control and Coordination Questions, Download PDF

NSEB Neural Control and Coordination is an important topic in the National Standard Examination in Biology syllabus. It deals with how the human body controls and coordinates activities through the nervous system.

This topic includes concepts such as neurons, nerve impulses, the brain, spinal cord, and reflex actions. A clear understanding of neural control is essential for solving higher-level biology questions, especially in competitive exams like NSEB.

By practicing NSEB Neural Control and Coordination Questions, students can strengthen their conceptual understanding and improve their ability to solve application-based questions effectively.

Key Topics Covered in Neural Control and Coordination

While preparing for NSEB Neural Control and Coordination Question, students should focus on the following important topics:

• Structure and function of neurons

• Central nervous system (brain and spinal cord)

• Peripheral nervous system

• Reflex actions and reflex arcs

• Transmission of nerve impulses

• Coordination and response mechanisms

Understanding these concepts thoroughly will help in solving both direct and conceptual questions.

NSEB Neural Control and Coordination Question PDF

The NSEB Neural Control and Coordination Question PDF is an essential study resource for students aiming to practice and revise effectively. It contains a curated set of important questions based on key concepts like neurons, nervous system functioning, and reflex actions. 

Practicing through the NSEB Neural Control and Coordination Question PDF also helps students get familiar with exam-level questions and improves their confidence. 

NSEB Neural Control and Coordination Question PDF

NSEB Neural Control and Coordination Question and Answers

This section on NSEB Neural Control and Coordination Question is designed to provide students with important and exam-oriented questions. These questions focus on key areas such as nerve impulse transmission, reflex actions, and coordination between different parts of the nervous system.

1. Select the correct option to represent A to E in the given structure of a neuron

(A) A- Dendrites, B- Cell body, C- Axon, D- Node of Ranvier, E- Synaptic knob

(B) A- Axon, B- Myelin sheath, C- Schwann cell, D- Node of Ranvier, E- Axon terminal

(C) A- Dendrites, B- Cell body, C- Schwann cell, D- Node of Ranvier, E- Synaptic knob

(D) A- Axon, B- Cell body, C- Dendrites, D- Node of Ranvier, E- Axon terminal

Solution: 1. (C)

2. Bipolar neurons are found in the

(A) Embryonic stage

(B) Cerebral cortex

(C) Cerebellum

(D) Retina of eye

Solution: 2. (D)

3. Myelin sheath is present around

(A) Medullated nerve fibre

(B) Non-medullated nerve fibre

(C) Muscle fibre

(D) Medullated and non-medullated nerve fibre

Solution: 3. (A)

4. Read the given statements

(i) Synaptic cleft of neurons secretes adrenaline

(ii) Myelinated nerve fibres are enveloped with schwann cells, which form a myelin sheath around the axon around the axon

(iii) Non-myelinated nerve fibre is enclosed by a schwann cells that does not form a myelin sheath

(iv) Spinal and cranial nerves are made of nonmyelinated nerve fibres

Select the correct option

(A) Statements (i) and (ii) are correct but statements (iii) and (iv) are incorrect

(B) Statements (i), (ii) and (iii) are correct but statement (iv) is incorrect

(C) Statements (iii) and (iv) are correct but statements (i) and (ii) are incorrect

(D) Statements (ii) and (iii) are correct but statements (i) and (iv) are incorrect

Solution: 4. (D)

5. In human beings typical nerve cell is

(A) Bipolar
(B) Apolar
(C) Multipolar
(D) Pseudounipolar

Solution: 5. (C)

6. Neuroglial cells ___ and ___ the neurons. Fill in the blanks with the correct combination given below

(A) Protect and support
(B) Start and stop
(C) Activate and deactivate
(D) Start and support

Solution: 6. (A)

7. The chemicals which regulate the synaptic transmission at chemical synapses are called

(A) Neurohormones
(B) Neurotransmitters
(C) Iodothyronines
(D) Second messengers

Solution: 7. (B)

8. In the presence of Ca2+ channel blockers, which of the following will be true?

(A) Neurotransmitter is released but Na+ channel of post-synaptic neuron will not open

(B) Neurotransmitter is not released but Na+ channel of post-synaptic neuron will open up

(C) Neurotransmitter is released but K+ channel of post-synaptic neuron open up

(D) Neither neurotransmitter is released nor the Na+ channel of post-synaptic neuron open up

Solution: 8. (D)

9. Pseudo unipolar neurons can be seen in the

(A) Dorsal root of spinal cord

(B) Cerebellum

(C) Cerebral cortex

(D) Retina of eye

Solution: 9. (A)

10. The human neural system divided into ___ and ___ the neurons. Fill in the blanks with the correct combination given below

(A) CNS and PNS

(B) Start and stop

(C) Activate and deactivate

(D) Start and support

Solution: 10. (A)

11. During the propagation of a nerve impulse, the action potential results from the movement of (A) K+ ions from intracellular fluid to extracellular fluid
(B) Na+ ions from extracellular fluid to intracellular fluid
(C) Ions from extracellular fluid to intra cellular fluid
(D) Na+ ions from intracellular fluid to extracellular fluid

Solution: 11. (B)

12. Statement-I: Transmission of impulse in neuron takes place from axon to Dendrone.

Statement-II: Neurotransmitters are released at neuro muscular junctions.

(A) Both Statement-I and Statement-II are correct

(B) Both Statement-I and Statement-II are incorrect

(C) Only Statement-I is correct and Statement-II are incorrect

(D) Only Statement-II is correct and Statement-I are incorrect

Solution: 12. (A)

13. Assertion-(A): The resting membrane of the neuron exhibit polarity of charges

Reason-(R): The outer surface of the axonal membrane possesses a positive charge and the inner one is negatively charged

(A) Both Assertion (A) and Reason (R) are the true and Reason (R) is a correct explanation of Assertion (A).

(B) Both Assertion (A) and Reason (R) are the true but Reason (R) is not a correct explanation of Assertion (A).

(C) Assertion (A) is true and Reason (R) is false.

(D) Assertion (A) and Reason (R) both are false.

Solution: 13. (A)

14. Assertion-(A): During the resting condition, the exoplasm inside the axon contains high concentration of Na+ & positively charged proteins.

Reason-(R): The fluid outside the axon conations a low concentration of Na+ and high concentration of K+ and thus forms a concentration gradient.

(A) Both Assertion (A) and Reason (R) are the true and Reason (R) is a correct explanation of Assertion (A).

(B) Both Assertion (A) and Reason (R) are the true but Reason (R) is not a correct explanation of Assertion (A).

(C) Assertion (A) is true and Reason (R) is false.

(D) Assertion (A) and Reason (R) both are false.

Solution: 14. (D)

15. During the transmission of nerve impulse through a nerve fibre, the potential on the inner side of the plasma membrane has _____ type of electric charge

(A) First +ve then –ve and continue to be –ve

(B) First –ve then +ve continue to be +ve

(C) First +ve then –ve and again back to +ve

(D) First –ve then +ve and again back to –ve

Solution: 15. (D)