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Test: Central Neural System (NCERT) - NEET MCQ


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30 Questions MCQ Test Biology Class 11 - Test: Central Neural System (NCERT)

Test: Central Neural System (NCERT) for NEET 2024 is part of Biology Class 11 preparation. The Test: Central Neural System (NCERT) questions and answers have been prepared according to the NEET exam syllabus.The Test: Central Neural System (NCERT) MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Central Neural System (NCERT) below.
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Test: Central Neural System (NCERT) - Question 1

Sense of smell is perceived by

Detailed Solution for Test: Central Neural System (NCERT) - Question 1

There are a psir of solid club-shapted structures present on the anterior surface of cerebrum known as olfactory lobes. These lobes have an olfactory bulb and olfactory tract for relaying sense of smell to tempora lobes.

Test: Central Neural System (NCERT) - Question 2

In the accompanying diagram of a part of the human body, the structures belonging to the central neural system are labelled as

Detailed Solution for Test: Central Neural System (NCERT) - Question 2

In the given figure, structures A and D are brain and spinal cord respectively, and these structures belong to central neural system. Structures 'B' and 'C' are the nerves arising from brain and spinal cord respectively and thus they belong to peripheral neural system.

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Test: Central Neural System (NCERT) - Question 3

Cell bodies of neurons bringing afferent information into the spinal cord are located in

Detailed Solution for Test: Central Neural System (NCERT) - Question 3

In each segment of the spinal cord a spinal nerve arises from each side of the cord. Each spinal nerve connects with the cord through two nerve roots. The dorsal nerve root consists of a bundle of sensory axons (carrying afferent information) whose cell bodies are located in the dorsal root ganglion.

Test: Central Neural System (NCERT) - Question 4

Tree of life is

Detailed Solution for Test: Central Neural System (NCERT) - Question 4

Arbor vitae is known as tree of life. Arbor vitae is a branching tree like arrangement of gre and white matter visible in the cross sectional area of cerebellar hemispheres.

Test: Central Neural System (NCERT) - Question 5

Human body temperature is maintained by

Detailed Solution for Test: Central Neural System (NCERT) - Question 5

Hypothalamus is a part of fore brain. It is the thermoregulatory centre of the brain. It keeps body temperature at roughly 37ºC by means of a complex thermostat system.

Test: Central Neural System (NCERT) - Question 6

Read the following five statements (i) to (v) regarding left cerebral hemisphere and select the option that correctly states the true (T) and false (F) statements.
(i) It receives most modalities of sensory information from the right side of the body.
(ii) It is usually larger than the right cerebral hemisphere.
(iii) It is the dominant cerebral hemisphere in most individuals.
(iv) It is connected to the right cerebral hemisphere by the corpus callosum.
(v) It contains the main areas for the understanding and production of speech in most individuals.

Detailed Solution for Test: Central Neural System (NCERT) - Question 6

Both cerebral hemispheres are of the same size. Both function equally but left hemisphere is considered dominant because in majority of people Wernicke's and Broca's areas are located in the left hemisphere. Also majority of people are right-handed.

Test: Central Neural System (NCERT) - Question 7

Each spinal nerve in a mammal arises from the spinal cord by two roots, a dorsal and a ventral. Of these, the ventral root is composed of

Detailed Solution for Test: Central Neural System (NCERT) - Question 7

Each spinal nerve is a mixed nerve. It arises from the horns of the grey matter of spinal cord by two roots, purely sensory dorsal root and a purely motor ventral root. Therefore, the ventral root is composed of somatic motor and visceral motor fibres.

Test: Central Neural System (NCERT) - Question 8

Broca's area in human brain controls

Detailed Solution for Test: Central Neural System (NCERT) - Question 8

Broca's area is the motor speech area lying in the frontal lobe of cerebrum. It controls the movement of lips, tongue and larynx (vocal cords) to produce speech.

Test: Central Neural System (NCERT) - Question 9

Mammalian brain differes from an amphibian brain in possessing 

Detailed Solution for Test: Central Neural System (NCERT) - Question 9

Corpus callosum is a broad of nervous tissue that connects two cerebral hemispheres. It consists of 300 million fibres and is present only in mammals.

Test: Central Neural System (NCERT) - Question 10

Brain depends on blood for the supply of

Detailed Solution for Test: Central Neural System (NCERT) - Question 10

Brain performs a number of activities like it controls the functions of our organs and also provides ualities of mind-learning, reasoning and memory. For all the activitites brain needs a large and constant supply of energy. The brain accounts for 20% of body's consumption of oxygen and 15% of consumption of blood glucose. If brain is deprived of oxygen for just 5 minutes, it becomes permanently damaged. Mental confusion occurs if brain is deprived of glucose.

Test: Central Neural System (NCERT) - Question 11

The respiratory and cardiac centres are located in

Detailed Solution for Test: Central Neural System (NCERT) - Question 11

Medulla oblongata is the posterior most part of the brain. It has respiratory centre to contro respiration and cardiac centre to control cardiac activity.

Test: Central Neural System (NCERT) - Question 12

All sensory information to be registered consciously by the forebrain must pass via the

Detailed Solution for Test: Central Neural System (NCERT) - Question 12

Sensory information like touch, temperature and pain from trunk and limbs is carried to sensory relay nuclei in thalamus. It is from the thalamus that the third order neuron goes to sensory cortex which is situated in the frontal lobe (fore brain).

Test: Central Neural System (NCERT) - Question 13

Which of the following is a part of our brain?

Detailed Solution for Test: Central Neural System (NCERT) - Question 13

The dorsal portion of the midbrain consists of four rounded lobes called quadrigemina.

Test: Central Neural System (NCERT) - Question 14

The correct sequence of meninges from inner to outer side is

Detailed Solution for Test: Central Neural System (NCERT) - Question 14

Meninges are the three connective tissue membranes that enclose the brain and spinal cord. Piamater is the innermost membrane which is thin, delicate and vascular. The next membrane is arachnoid which is thin and webby. Duramater is the outermost membrane which is tough dense and fibrous in nature.

Test: Central Neural System (NCERT) - Question 15

'Pons' connects the 

Detailed Solution for Test: Central Neural System (NCERT) - Question 15

Pons is located in front of the cerebelum below the mid brain and above the medulla oblongata. It consists of nerve fibres that connect the two hemispheres of cerebellum.

Test: Central Neural System (NCERT) - Question 16

The primary visual area is located in

Detailed Solution for Test: Central Neural System (NCERT) - Question 16

Occipital lobes are primary visual areas of the brain. These are situated in the forebrain.

Test: Central Neural System (NCERT) - Question 17

Anterior choroid plexus is present on the 

Detailed Solution for Test: Central Neural System (NCERT) - Question 17

Epithalamus (roof of diencephalon) is thin and not formed of nervous tissue. Its anterior part is vascular and folded to form the anterior choroid plexus.

Test: Central Neural System (NCERT) - Question 18

Which of the following structures is found in diencephalon?

Detailed Solution for Test: Central Neural System (NCERT) - Question 18

Hypothalamus is present at the floor of the diencephalon of the fore brain.

Test: Central Neural System (NCERT) - Question 19

What is the space between arachnoid and piamater called?

Detailed Solution for Test: Central Neural System (NCERT) - Question 19

Piamater is the innermost membrane of the brain and arachnoid is the middle membrane. The space between arachnoid and piamater is called sub arachnoid space. This space is filled with cerebrospinal fluid.

Test: Central Neural System (NCERT) - Question 20

Which of the following parts of brain constitute the brain stem?

Detailed Solution for Test: Central Neural System (NCERT) - Question 20

The mid brain, pons varolli and medulla oblongata (both of which are parts of hind brain) are collectively termed as brain that connects the fore brain and spinal cord.

Test: Central Neural System (NCERT) - Question 21

The optic lobes in humans are represented by the corpora

Detailed Solution for Test: Central Neural System (NCERT) - Question 21

Corpora quadrigemina are euivalent to optic lobes (Corpora bigemina) of lower animals.

Test: Central Neural System (NCERT) - Question 22

Which of these is not a part of the hindbrain?

Detailed Solution for Test: Central Neural System (NCERT) - Question 22
  • The hindbrain comprises of the pons, the medulla oblongata and the cerebellum.
  • The hippocampus is present in the forebrain and is a part of the limbic system, which controls emotional reactions.
Test: Central Neural System (NCERT) - Question 23

Which part of the human brain controls the urge for eating and drinking?

Detailed Solution for Test: Central Neural System (NCERT) - Question 23

Hypothalamus is a part of fore brain that controls the urge for eating and drinking.

Test: Central Neural System (NCERT) - Question 24

Which function will be lost if occipital lobe is damaged?

Detailed Solution for Test: Central Neural System (NCERT) - Question 24

Occipital lobe is concerned with decoding and interpretation of visual information, shape and colour. Thus, if occipital lobe is damaged, vision will be lost.

Test: Central Neural System (NCERT) - Question 25

The Broca's area and Wernicke's centre are the association areas situated in cerebrum. These are associated with

Detailed Solution for Test: Central Neural System (NCERT) - Question 25

Broca's are a is the motor speech area and Wernicke's area plays role in understanding speech and speaking in coherent sentences.

Test: Central Neural System (NCERT) - Question 26

Which of these functions is not controlled by the medulla oblongata?

Detailed Solution for Test: Central Neural System (NCERT) - Question 26
  • The medulla oblongata is present in the hindbrain.
  • It controls important functions such as respiration, cardiovascular reflexes and gastric secretions.
  • The forebrain controls the circadian rhythm.
Test: Central Neural System (NCERT) - Question 27

Direction: 

Which labelled part controls the process of breathing?

Detailed Solution for Test: Central Neural System (NCERT) - Question 27

Part 'C' is medulla oblongata that controls breathing.

Test: Central Neural System (NCERT) - Question 28

Direction: 

Which of the following functions is performed by the labelled 'C' in the given figure?

Detailed Solution for Test: Central Neural System (NCERT) - Question 28

Regulation of gastric secretion is also done by medulla oblongata.

Test: Central Neural System (NCERT) - Question 29

Which of the following statements is correct regarding cerebellum?

Detailed Solution for Test: Central Neural System (NCERT) - Question 29

Cerebellar hemispheres are the largest regions of the cerebellum. The cerebellar hemispheres are two divisions of the cerebellum on either side of the vermis. They are functionally subdivided into lateral and medial portions. It is a part of the hindbrain. The arborvitae is the cerebellar white matter, so-called for its branched, tree-like appearance. In resembles like a fern and is present in both cerebellar hemispheres. It brings sensory and motor information to and from the cerebellum.

Test: Central Neural System (NCERT) - Question 30

Match Column-I with column-II and select the correct option from the codes given below.
Column-I
(A) Medulla oblongata
(B) Floor of mid brain
(C) Thalamus
(D) Cerebral hemispheres 
(E) Cerebellum
Column-II
(i) Involuntary breathing movements
(ii) Accurate voluntary movements 
(iii) Seat of memory

Detailed Solution for Test: Central Neural System (NCERT) - Question 30

(A) Medulla oblongata - (i) Involuntary breathing movements
(E) Cerebellum - (ii) Accurate voluntary movements
(D) Cerebral hemispheres - (iii) Seat of memory

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