MCQ Questions for Class 11 Biology Chapter 21 Neural Control and Coordination with Answers

Solving the Neural Control and Coordination Multiple Choice Questions of Class 11 Biology Chapter 21 MCQ can be of extreme help as you will be aware of all the concepts. These MCQ Questions on Neural Control and Coordination Class 11 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. Have a glance at the MCQ of Chapter 21 Biology Class 11 and cross-check your answers during preparation.

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 IColumn II
(a) Photoreceptor cells1. Cerebrum, thalamus and hypothalamus
(b) Dense connective tissue2. Corpus callosum
(c) Choroid3. reflex action
(d) Central nervous system4. rods and cones
(e) Hind brain5. Passes through the mid brain
(f) Cerebral aqueduct6. sclera
(g) Forebrain7. Hypothalamic hormones.
(h) Neurosecretory cells8. Contain many blood vessels
(i) Hemispheres9. Cranial meninges
(j) The brain10. pons, cerebellum and medulla
(k) Neurotransmitters bind11. plasma membrane
(l) Plasma membrane12. resting potential
(m) Nerve impulse13. myelinated and non-myeli nated.
(n) axons14. receptors
(o) neuron15. cell body, dendrites and axon
Answer

Answer:

Column IColumn II
(a) Photoreceptor cells4. rods and cones
(b) Dense connective tissue6. sclera
(c) Choroid8. Contain many blood vessels
(d) Central nervous system3. reflex action
(e) Hind brain10. pons, cerebellum and medulla
(f) Cerebral aqueduct5. Passes through the mid brain
(g) Forebrain1. Cerebrum, thalamus and hypothalamus
(h) Neurosecretory cells7. Hypothalamic hormones.
(i) Hemispheres2. Corpus callosum
(j) The brain9. Cranial meninges
(k) Neurotransmitters bind14. receptors
(l) Plasma membrane12. resting potential
(m) Nerve impulse11. plasma membrane
(n) axons13. myelinated and non-myeli nated.
(o) neuron15. cell body, dendrites and axon

 


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