Test: Control & Coordination - 4


25 Questions MCQ Test NCERT Textbooks (Class 6 to Class 12) | Test: Control & Coordination - 4


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QUESTION: 1

Number of cranial nerves in human :-

Solution:

Cranial nerves are the nerves that emerge directly from the brain (including the brainstem), in contrast to spinal nerves (which emerge from segments of the spinal cord). 10 of 12 of the cranial nerves originate in the brainstem. Cranial nerves relay information between the brain and parts of the body, primarily to and from regions of the head and neck.

QUESTION: 2

Reflex action is controlled by :-

Solution:
QUESTION: 3

Find out the correct sequence of a simple reflex are :-

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QUESTION: 4

Most of the involuntary action are controlled by :-

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QUESTION: 5

If cerebellum of man gets damaged, his movement become :-

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QUESTION: 6

The term 'hormone' was coined by :-

Solution:

Hormone, secretin: Hormone made by glands in the small intestine that stimulates pancreatic secretion. The word "hormone" was coined by the English physiologists Wm. M. Bayliss and Ernest H. Starling in connection with their discovery of secretin, the first hormone, in 1902.

QUESTION: 7

Which of the following hormone known as anti-abortion hormone ?

Solution:

The progesterone prepares the body for pregnancy in the event, that the released egg is fertilised. If the egg is not fertilised, the corpus luteum breaks down, the production of progesterone falls and a new menstrual cycle begins. Hence, progesterone is called as the 'anti abortion' hormone.

QUESTION: 8

Hyposecretion of thyroxine in children causes :-

Solution:

Cretinism is a condition of severely stunted physical and mental growth owing to untreated congenital deficiency of thyroid hormone (congenital hypothyroidism) usually owing to maternal hypothyroidism.

QUESTION: 9

Olfactoreceptors are related to :-

Solution:
QUESTION: 10

Name the hormone which controls basal metabolic rate in animals :-

Solution:

Thyroxine plays a crucial role in heart and digestive function, metabolism, brain development, bone health, and muscle control.

QUESTION: 11

Which hormones regulate calcium and phosphorus levels in the body :-

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QUESTION: 12

The fight, flight and fright hormone is :-

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QUESTION: 13

Which of the following hormone controls appearance of secondary sexual characters in human male :-

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QUESTION: 14

Which of the following gland has both exocrine and endocrine parts :-

Solution:

The liver and pancreas are both exocrine and endocrine glands; they are exocrine glands because they secrete products—bile and pancreatic juice—into the gastrointestinal tract through a series of ducts, and endocrine because they secrete other substances directly into the bloodstream.

QUESTION: 15

Hyposecretion of ......................... in children causes dwarfism :-

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QUESTION: 16

Which gland is lost as age advances ?

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QUESTION: 17

Addison's disease is caused by :-

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QUESTION: 18

Sweat glands, salivary glands and gastric glands are the examples of :-

Solution: Examples of exocrine glands include sweat, salivary, mammary, ceruminous, lacrimal, sebaceous, and mucous. Exocrine glands are one of two types of glands in the human body, the other being endocrine glands, which secrete their products directly into the bloodstream.
QUESTION: 19

Secretion of pituitary hormones is regulated by :-

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QUESTION: 20

Which hormone is responsible for metamorphosis in frog ?

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QUESTION: 21

Injecting a tadpole with thyroxine would lead to :-

Solution:

Thyroxine is a hormone important for the growth and development of all vertebrates including humans. If it is injected inside a young tadpole, its metamorphosis is accelerated and it quickly becomes a frog.

QUESTION: 22

A very high level of calcium in the blood suggests malfunction of the :-

Solution:

Hypercalcemia is a condition in which the calcium level in your blood is above normal. Too much calcium in your blood can weaken your bones, create kidney stones, and interfere with how your heart and brain work. Hypercalcemia is usually a result of overactive parathyroid glands.

QUESTION: 23

Cortisone is used for the treatment of inflammation, allergy and arthritis. Which of the following endocrine glands produces cortisone :-

Solution:

The adrenal glands (also known as suprarenal glands) are endocrine glands that produce a variety of hormones including adrenaline and the steroids aldosterone and cortisol.

QUESTION: 24

Proprioceptors are :-

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QUESTION: 25

The gap between two neurons is known as ___.

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