Neural Control and Coordination Test

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Neural Control and Coordination Test - 7

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Weekly Quiz Competition

Question 1

1 / -0

Match the following columns and select the correct option.

	Column - I		Column - II
(a)	Organ of Corti	(i)	Connects middle ear and pharynx
(b)	Cochlea	(ii)	Coiled part of the labyrinth
(c)	Eustachian tube	(iii)	Attached to the oval window
(d)	Stapes	(iv)	Located on the basilar membrane

$$(a)- (iii), \ (b)- (i), \ (c)- (iv), \ (d)- (ii)$$

$$(a)- (iv), \ (b)- (ii), \ (c)- (i), \ (d)- (iii)$$

$$(a)- (i), \ (b)- (ii), \ (c)- (iv), \ (d)- (iii)$$

$$(a)- (ii), \ (b)- (iii), \ (c)- (i), \ (d)- (iv)$$

Solution

Organ of Corti - is the organ of the inner ear located within the cochlea on the basilar membrane, which contributes to the audition.
Cochlea - The coiled part of the inner ear containing the organ of Corti, which produces nerve impulses in response to sound vibrations.
Eustachian tube - It is the tube that connects the middle ear with the pharynx. It helps in maintaining the positive pressure inside the middle ear.
Stapes - It is the smallest bone of the body that attaches to the oval window present at the initial point of the inner ear.
Thus, the correct answer is (B) - (a)−(iv), (b)−(ii), (c)−(i), (d)−(iii).

Question 2

1 / -0

Go through the following table comparing the effect of sympathetic and parasympathetic nervous system. Which one is matched correctly?

	Features	Sympathetic nervous system	Parasympathetic nervous system
(a)	Pupil of eye	Dilates	Constricts
(b)	Heart rate	Decreases	Increases
(c)	Intestinal peristalsis	Stimulate	Inhibits
(d)	Salivary gland	Stimulate secretion	Inhibits secretion

a

b

c

d

Question 3
1 / -0

The black pigment in the eye, which reduces the internal reflection is located in

A
Retina

B
Iris

C
Cornea

D
Sclerotic

Solution

Retina is the light-sensitive tissue lining the back of our eye. It is the black pigment in the eye, which reduces the internal reflection. Thereby, it controls the impact of the bright light entering our eye. Function of retina is to receive light that the lens has focused, convert the light into neural signals, and send these signals on to the brain for visual recognition. Hence option A is correct.
Question 4
1 / -0

A person is wearing spectacles with concave lenses for correcting vision. While not using the glasses, the image of a distant object in his case will be formed

A
On the blind spot

B
Behind the retina

C
In front of the retina

D
On the yellow spot

Solution

The person wearing spectacles with concave lenses for correcting vision suffers from myopia (near sightedness). In such a person, the image of distant object will be formed in front of retina, if he is not using the glasses.
Question 5
1 / -0

Given below are comparing the effects of sympathetic and parasympathetic nervous system for four features.
Which one feature is correctly described?

A
Feature- Salivary glands, Sympathetic nervous system- Stimulates secretion, Parasympathetic nervous system- Inhibits secretion

B
Feature- Pupil of the eye, Sympathetic nervous system- Dilates, Parasympathetic nervous system- Constricts

C
Feature- Heart rate, Sympathetic nervous system- Decreases, Parasympathetic nervous system- Increases

D
Feature- Intestinal peristalsis, Sympathetic nervous system- Stimulates, Parasympathetic nervous system- Inhibits

Solution

Sympathetic nervous system inhibits salivary gland secretion, accelerates the heart rate, decreases intestinal peristalsis and dilate the pupil of the eye. Whereas parasympathetic nervous system stimulates salivary gland secretion, slows heart rate, stimulates intestinal peristalsis and constricts pupil of the eye. The sympathetic and the parasympathetic nervous system are parts of the autonomic nervous system. These systems work in balance with each other and directly or indirectly affect almost every structure in the body. The sympathetic nervous system has an active "pushing" function, the parasympathetic has mainly a relaxing function.
Question 6
1 / -0

Neutral stimulation in visceral organ in human being is done by

A
Sympathetic and parasympathetic nerves and is under involuntary action.

B
Sympathetic nerves and is under voluntary action

C
Sympathetic and parasympathetic nerves and is under voluntary action

D
Parasympathetic nerves and is under voluntary action
Question 7
1 / -0

Which of the following is not a part of hind brain?

A
Hypothalamus

B
Cerebrum

C
Cerebellum

D
Both A and B

Solution

The hindbrain is the lower part of the brain. Pons, medulla and cerebellum are the hind regions of the brain. Medulla is extended to for brain stem. Whereas cerebrum is the forebrain and hypothalamus the small glad in the forebrain. Thus, the correct answer is option D.
Question 8
1 / -0

Learning is related to

A
Hypothalamus

B
Cerebellum

C
Cerebrum

D
Medulla oblongata

Solution

The cerebrum is the part of the brain containing cerebral cortex as well as subcortical structures. It is the superior most region of central nervous system which performs the functions like sensory perception, memory, thoughts, judgment, learning, etc. Thus, the correct answer is option C.
Question 9
1 / -0

The iris of eye is

A
Photosensitive

B
Chemoreceptor

C
Both A and B

D
All of the above

Solution

The colored part of the eye is called as the iris. It controls light levels inside the eye. The round opening in the center of the iris is called as the pupil. It is photosensitive in nature and is embedded with tiny muscles that dilate (widen) and constrict (narrow) the pupil size depending on the presence or absence of light.
Therefore, the correct answer is option A.
Question 10
1 / -0

The smallest bone in rabbit's or man's skeleton is

A
Nasal

B
Stapes

C
Patella

D
Palatine

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Neural Control and Coordination Test - 7

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Neural Control and Coordination Test - 7

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Question 1

$$(a)- (iii), \ (b)- (i), \ (c)- (iv), \ (d)- (ii)$$

$$(a)- (iv), \ (b)- (ii), \ (c)- (i), \ (d)- (iii)$$

$$(a)- (i), \ (b)- (ii), \ (c)- (iv), \ (d)- (iii)$$

$$(a)- (ii), \ (b)- (iii), \ (c)- (i), \ (d)- (iv)$$

Solution

Question 2

a

b

c

d

Question 3

Retina

Iris

Cornea

Sclerotic

Solution

Question 4

On the blind spot

Behind the retina

In front of the retina

On the yellow spot

Solution

Question 5

Feature- Salivary glands, Sympathetic nervous system- Stimulates secretion, Parasympathetic nervous system- Inhibits secretion

Feature- Pupil of the eye, Sympathetic nervous system- Dilates, Parasympathetic nervous system- Constricts

Feature- Heart rate, Sympathetic nervous system- Decreases, Parasympathetic nervous system- Increases

Feature- Intestinal peristalsis, Sympathetic nervous system- Stimulates, Parasympathetic nervous system- Inhibits

Solution

Question 6

Sympathetic and parasympathetic nerves and is under involuntary action.

Sympathetic nerves and is under voluntary action

Sympathetic and parasympathetic nerves and is under voluntary action

Parasympathetic nerves and is under voluntary action

Question 7

Hypothalamus

Cerebrum

Cerebellum

Both A and B

Solution

Question 8

Hypothalamus

Cerebellum

Cerebrum

Medulla oblongata

Solution

Question 9

Photosensitive

Chemoreceptor

Both A and B

All of the above

Solution

Question 10

Nasal

Stapes

Patella

Palatine

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