NCERT Biology Class 11 MCQ Practice Questions Neural Control and Coordination Chapter 21 for NEET | Class 11
Prepare these important MCQ Questions of Neural control and coordination in Biology, Latest questions to expect in NEET | School Exams.
1. Which of the following is not performed by neuron?
1. Detect stimuli
2. Transmit stimuli
3. Generate stimuli
4. Receive stimuli
2. Choose the incorrect statement.
1. The neural system coordinates and integrates functions as well as metabolism of all the organs.
2. Very important part of forebrain is called Hypothalamus
3. Neural system of all animals is composed of highly specialised cells.
4. Invertebrates have a more developed neural system.
3. Choose the incorrect match.
1. Insects – Brain
2. Human – Central nervous system
3. Porifera- Neuron
4. Hydra- Network of neurons
4. Nerve fibres of PNS are of __ types.
5. Autonomic neural system transmits impulses from CNS to:
1. Involuntary organs
2. Smooth muscles
3. Skeletal muscles
4. Both 1 and 2
6. Neurons in hydra are of which type?
7. Visceral nervous system comprises of
1. Only B and C
2. A, B, C only
4. Only A and B
8. Choose the incorrect option:
1. Neuron is microscopic structure
2. Axon hillock is part of Cyton
3. Axon is a long fibre
4. Based on number of axon and dendrites neurons are divided into 5 types.
9. Which of the following neuron have one axon and one dendrite
1. Bipolar neuron
2. Unipolar neuron
3. Pseudounipolar neuron
4. Both 1 and 3
10. Choose the correct statement with respect to myelinated nerve fibres.
1. Enclosed by schwann cells.
2. Enveloped by schwann cells.
3. Schwann do not enclose nor envelop them.
4. Commonly found in autonomous neural system.
11. Membrane is impermeable to __ present in axoplasm.
3. Negatively charges proteins
4. Both 1 and 3
12. Ionic gradients across membrane are restored by:
1. ATP pump
2. Voltage gated Na⁺ channels
3. Voltage gated K⁺ channels
4. Leaky channels
13. Incorrect with respect to electrical synapse:
1. Impulse flow is bidirectional.
2. Impulse transmission across an electrical synapse is always faster than chemical synapse.
3. Electrical synapse are rare in humans.
4. Transmission across them is similar to conduction along two axons.
14. Which part forms major part of human brain.
15. Cerebral cortex contains:
1. Small regions , neither sensory nor motor in function.
2. Large regions , either sensory nor motor in function.
3. Large regions , neither sensory nor motor in function.
4. Small regions , both sensory and motor in function.
16. Which of the following is not the function of association area?
1. Intersensory association
4. Expression of emotions
17. Major coordinating centre for motor and sensory signalling is:
18. Choose the correct statement:
1. Excitor transmits impulse to CNS.
2. Motor end plate receives impulse from CNS.
3. Pons connect brain and spinal cord
4. Interneuron is present in white matter of spinal cord.
19. State True or False:
A. Sensory organs detect all types of changes in environment.
B. Olfactory receptors are made of epithelium.
20. Which is extension of brain’s limbic system.
1. Olfactory epithelium
2. Olfactory bulb
3. Olfactory bipolar cells
4. Bowmann’s gland
21. External layer of eye is composed of:
1. Loose connective tissue
2. Specialised connective tissue
3. Dense connective tissue
4. Epithelial tissue
22. Lens is held in place by:
1. Ciliary muscles
23. Choose the correct with respect to location.
1. Blind spot is medial to and slightly below posterior pole of eye ball.
2. Lateral to blind spot there is pigmented spot called Fovea.
3. Blind spot is lateral to and slightly below posterior pole of eye ball.
4. Lateral to blind spot there is pigmented spot called Macula lutea.
24. Tympanic membrane is part of:
1. External ear
2. Middle ear
4. Vestibular apparatus
25. Auditory sense is perceived in which lobe of brain?
26. Tympanic membrane consists of:
1. Connective tissue covered with skin on both the sides.
2. Connective tissue covered with skin on inner side and mucus membrane on outer side.
3. Connective tissue covered with skin on outer side and mucus membrane on inner side.
4. Mucus membrane on both the sides.
27. Scala tympani terminates at the X which opens to Y. X and Y are respectively:
1. Round window , Middle ear
2. Oval window , Middle ear
3. Round window , Inner ear
4. Oval window , Inner ear
28. Above the rows of hair cells there is:
1. Thick elastic membrane , Tectorial membrane.
2. Thin elastic membrane , Tectorial membrane.
3. Thick elastic membrane , Basilar membrane.
4. Thin elastic membrane , Reissner’s membrane.
29. State true or false.
A. Nerve impulses are generated and transmitted by afferent fibres to auditory cortex of brain.
B. Vestibular apparatus is located below Cochlea.
30. Which of the following integrates information received from semicircular canals and the auditory system.
1. Temporal lobe