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Neural Control and Coordination Class 11 MCQs Questions with Answers
Solving Neural Control and Coordination Multiple Choice Questions of Class 11 Biology Chapter 21 MCQ can be really beneficial because you will be familiar with all of the topics. These MCQ Questions on Neural Control and Coordination Class 11 with answers provide for a quick review of the Chapter, allowing you to have a better understanding of the subject.
I. Select the correct answer from the following questions:
Question 1.
Humain brain has greater development of
(a) Optic lobes
(b) Medullu oblongata
(c) Cerebrum
(d) Cerebellum
Answer
Answer: (c) Cerebrum
Question 2.
Outer most covering of brain is
(a) Pia mater
(b) White matter
(c) Arachnoid
(d) Dura mater
Answer
Answer: (d) Dura mater
Question 3.
Third ventricle occurs in
(a) Brain
(b) Skull
(c) Bones
(d) Heart
Answer
Answer: (a) Brain
Question 4.
Tree like branched structure found in cerebellum is
(a) Areole
(b) Arachnoid
(c) Arboreal
(d) Arbor
Answer
Answer: (a) Areole
Question 5.
Number of spinal nerves in human being is
(a) 31
(b) 37
(c) 14
(d) 20
Answer
Answer: (a) 31
Question 6.
Fourth cranial nerve is
(a) Trochlear (Pathetic)
(b) Optic
(c) Oculomotor
(d) Trigeminal
Answer
Answer: (a) Trochlear (Pathetic)
Question 7.
Auditory nerve is responsible for
(a) Sight
(b) Hearing
(c) Smell
(d) None of these
Answer
Answer: (b) Hearing
Question 8.
Synapse is a dose proximity of
(a) Two veins
(b) Two lymphatics
(c) Two neurons
(d) Two arteries
Answer
Answer: (c) Two neurons
Question 9.
Outer region of spinal cord is
(a) White matter
(b) Grey matter
(c) Pia mater
(d) Dura matere
Answer
Answer: (a) White matter
Question 10.
A nerve impulse leaves a neuron via the
(a) Dendrites
(b) Axon
(c) Cyton
(d) Nucleus
Answer
Answer: (b) Axon
Question 11.
Regulatory control of temperature
(a) Hypothalamus
(b) Cerebellum
(c) Superior
(d) Inferior colliculi
Answer
Answer: (a) Hypothalamus
Question 12.
Endolymph is found in
(a) Internal ear
(b) Cnidoblast
(c) Synovial cavity
(d) Posterior chamber of eye
Answer
Answer: (a) Internal Ear
Question 13.
Sequence of ear ossicles is
(a) Stapes, malleus, incus
(b) Malleus, stapes, incus
(c) malleus, incus, stapes
(d) Incus, stapes, malleus
Answer
Answer: (c) malleus, incus, stapes
Question 14.
Pupil is regulated by
(a) Radial and circular muscles
(b) Meridional muscles
(c) Radial muscles
(d) Circular muscles
Answer
Answer: (d) Circular muscles
Question 15.
The hair cells in the ear are stimulated by movements of
(a) Lymph
(b) Endolymph
(c) Perilymph
(d) Haemolymph
Answer
Answer: (b) Endolymph
Question 16.
Cochlea of mammalian ear helps in
(a) Phonoreception
(b) Sound production
(c) Equilibrium & hearing
(d) Equilibrium
Answer
Answer: (a) Phonoreception
Question 17.
Fovea centralis lacks
(a) Rod ceils
(b) Blood vessels
(c) Covering of nerve fibres
(d) All of these
Answer
Answer: (d) All of these
Question 18.
Iris is an extension of
(a) Sclera
(b) Retina
(c) Cornea
(d) Choroid and retina
Answer
Answer: (d) Choroid and retina
Question 19.
The optic disc is also called
(a) Blind spot
(b) Fovea
(c) Ora serrata
(d) Optic chiasma
Answer
Answer: (a) Blind spot
Question 20.
The rods are receptors for
(a) Vision
(b) Taste
(c) Smell
(d) Hearing
(e) Touch
Answer
Answer: (a) Vision
II. Fill in the blanks:
Question 1.
…………….. is the process through which two or more organs interact and complement the functions of one another.
Answer
Answer: Coordination
Question 2.
The neural system of all animals is composed of highly specialised cells called ‘…………..’ which can detect, receive and transmit different kinds of stimuli.
Answer
Answer: neurons
Question 3.
The human neural system is divided into two parts, namely, (i) ……………. and (ii) …………….
Answer
Answer: the central neural system (CNS), the peripheral neural system.
Question 4.
The nerve fibres of the PNS are of two types, namely, (a) ………….. and (b) …………..
Answer
Answer: afferent fibres, efferent fibres.
Question 5.
The PNS is divided into two divisions called ………….. and …………..
Answer
Answer: somatic neural system, autonomic neural system
Question 6.
A neuron is a microscopic structure composed of three major parts, namely, ……….., …………. and …………
Answer
Answer: cell body, dendrites, axon.
Question 7.
There are two types of axons, namely, ………….. and ………….
Answer
Answer: myelinated, non-myelinated
Question 8.
The brain can be divided into three major parts: (i) ………….., (ii) …………., and (iii) …………..
Answer
Answer: forebrain, midbrain, hind brain
Question 9.
The midbrain is located betwen the …………….. of the forebrain and pons of the hind brain.
Answer
Answer: thalamus/hypothalamus,
Question 10.
The hind brain comprise ……….., …………… and …………
Answer
Answer: pones, cerebellum, medulla.
Question 11.
The iris is called the ………….
Answer
Answer: pupil.
Question 12.
There are two types of photoreceptor cells, namely ………….
Answer
Answer: rods and cones
Question 13.
The photosensitive compounds in the human eyes is composed of ………… (a protein) and …………. (an aldehyde of vitamin A).
Answer
Answer: opsin, retinal
Question 14.
The ear can be divided into three major sections called the …………, the …………. and the ………….
Answer
Answer: outer ear, middle ear, inner ear
Question 15.
The coiled portion of the labyrinth is called ……………
Answer
Answer: cochlea.
III. Mark the statements True (T) or False (F)
Question 1.
The waves in the lymphs induce a ripple in the basilar membrane.
Answer
Answer: True
Question 2.
The saccula and utricle contain a projecting ridge called macula.
Answer
Answer: True
Question 3.
The inner ear also contains a complex system called hair cells.
Answer
Answer: False
Question 4.
The hair cells are present in rows on the internal side of the organ of corti.
Answer
Answer: True
Question 5.
At the base of the cochlea, the scala vestibuli ends at the otolith organ.
Answer
Answer: False
Question 6.
The fluid filled inner ear called labyrinth consists of two parts, the bony and the membranous labyrinths.
Answer
Answer: True
Question 7.
The malleus is attached to the tympanic membrane and the stapes is attached to the oval window of the cochlea.
Answer
Answer: True
Question 8.
The space between the lens and the retina is called aqueous chamber.
Answer
Answer: False
Question 9.
The space between the cornea and the lens is called vitreous chamber
Answer
Answer: False
Question 10.
The ciliary body itself continues forwards to form a pigmented and opaque structure called the iris.
Answer
Answer: True
IV. Match the column I with column II.
| Column I | Column II |
| (a) Photoreceptor cells | 1. Cerebrum, thalamus and hypothalamus |
| (b) Dense connective tissue | 2. Corpus callosum |
| (c) Choroid | 3. reflex action |
| (d) Central nervous system | 4. rods and cones |
| (e) Hind brain | 5. Passes through the mid brain |
| (f) Cerebral aqueduct | 6. sclera |
| (g) Forebrain | 7. Hypothalamic hormones. |
| (h) Neurosecretory cells | 8. Contain many blood vessels |
| (i) Hemispheres | 9. Cranial meninges |
| (j) The brain | 10. pons, cerebellum and medulla |
| (k) Neurotransmitters bind | 11. plasma membrane |
| (l) Plasma membrane | 12. resting potential |
| (m) Nerve impulse | 13. myelinated and non-myeli nated. |
| (n) axons | 14. receptors |
| (o) neuron | 15. cell body, dendrites and axon |
Answer
Answer:
| Column I | Column II |
| (a) Photoreceptor cells | 4. rods and cones |
| (b) Dense connective tissue | 6. sclera |
| (c) Choroid | 8. Contain many blood vessels |
| (d) Central nervous system | 3. reflex action |
| (e) Hind brain | 10. pons, cerebellum and medulla |
| (f) Cerebral aqueduct | 5. Passes through the mid brain |
| (g) Forebrain | 1. Cerebrum, thalamus and hypothalamus |
| (h) Neurosecretory cells | 7. Hypothalamic hormones. |
| (i) Hemispheres | 2. Corpus callosum |
| (j) The brain | 9. Cranial meninges |
| (k) Neurotransmitters bind | 14. receptors |
| (l) Plasma membrane | 12. resting potential |
| (m) Nerve impulse | 11. plasma membrane |
| (n) axons | 13. myelinated and non-myeli nated. |
| (o) neuron | 15. cell body, dendrites and axon |
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