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Test: Integumentary System - Grade 11 MCQ

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30 Questions MCQ Test Biology for Grade 11 - Test: Integumentary System

Test: Integumentary System for Grade 11 2024 is part of Biology for Grade 11 preparation. The Test: Integumentary System questions and answers have been prepared according to the Grade 11 exam syllabus.The Test: Integumentary System MCQs are made for Grade 11 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Integumentary System below.

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Test: Integumentary System - Question 1

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Integumentary system consists of epidermis in mammals is termed-

A.
Skin
B.
Skin and skin derivative
C.
Skin and cutaneous gland
D.
Skin and hairs

Detailed Solution for Test: Integumentary System - Question 1

Skin is a mammal's largest organ. It protects the body against physical, chemical, and biological attacks, it helps to regulate body temperature, it is used to communicate to other individuals, and a skin derivative provides nourishment for the young. Mammal skin is composed of two layers, the dermis and the epidermis.

Test: Integumentary System - Question 2

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Epidermis of skin in rabbit is originated form-

A.
Endoderm
B.
Mesoderm
C.
Ectoderm
D.
All of the above

Detailed Solution for Test: Integumentary System - Question 2

Correct Answer :- a

Explanation : The endoderm is so called because it is in the innermost layer of the three germ layers. The endoderm gives rise to epithelial lining of the digestive and respiratory tracts, parenchyma of tonsils,thyroid and parathyroid glands, thymus, liver and pancreas, epithelial lining of urinary bladder and most of the urethra.

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Test: Integumentary System - Question 3

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Integument is usually called by the proverb ‘Jack of all trades’ because it-

A.
Gives shape to various structures of the body
B.
Protects of the body
C.
Restricts the size of the individual
D.
Performs various functions

Test: Integumentary System - Question 4

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Pigmentation of the skin is by the secretions of-

A.
Monocytes
B.
Neutrophils
C.
Melanocytes
D.
Eosinophils

Test: Integumentary System - Question 5

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Which of the skin layer is not pierced by arterioles-

A.
Dermis
B.
Subcutaneous
C.
Epidermis
D.
Muscles

Test: Integumentary System - Question 6

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Melanoblasts lie-

A.
In stratum corneum
B.
In dermis
C.
In stratum malpighi
D.
At the junction of epidermis and dermis

Test: Integumentary System - Question 7

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Stratum spinosum and stratum basale are together called-

A.
Stratum lucidium
B.
Stratum corneum
C.
Stratum granulosum
D.
Germinativum

Test: Integumentary System - Question 8

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The cell of stratum germinativum are columnar and very active to form new cells. As new cells are formed the older ones are pushed upwards and at the same time they become-

A.
Flat
B.
Oval
C.
Columnar
D.
Spherical

Test: Integumentary System - Question 9

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Which of the following cells contain granules of keratohyaline protein in their cytoplasm-

A.
Stratum malpighi
B.
Stratum granulosum
C.
Stratum lucidum
D.
Stratum corneum

Test: Integumentary System - Question 10

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Pigmented cells are found amongst the cells of -

A.
Stratum malpighi
B.
Stratum granulosum
C.
Stratum lucidum
D.
Stratum corneum

Test: Integumentary System - Question 11

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Colouration of the skin depends on-

A.
Amount of blood in its blood vessels
B.
The inherent yellowish colour of its tissue
C.
Amount of melanin in its tissue
D.
All of the above

Test: Integumentary System - Question 12

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In rabbit the melanin is contained in highly specialized stellate cells called-

A.
Chromatophores
B.
Melanocytes
C.
Melanin granules
D.
Carotene granules

Test: Integumentary System - Question 13

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Where does active mitosis take place

A.
Stratum germinativum
B.
Stratum granulosum
C.
Stratum lucidum
D.
Stratum corneum

Test: Integumentary System - Question 14

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Melanocytes or melanophores are placed at places in between-

A.
The cells of stratum germinativum
B.
The cells of stratum lucidum
C.
Subcutaneous layer
D.
The cells of stratum granulosum

Test: Integumentary System - Question 15

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'Pacinian corpuscles' are found in

A.
Skin
B.
Alimentary canal
C.
Liver
D.
Lungs

Test: Integumentary System - Question 16

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Complexion of skin in human beings is a mixed effect of -

A.
Keratin, Melanin and Haemoglobin
B.
Carotene, Keratin & Haemoglobin
C.
Carotene, Melanin and Haemoglobin
D.
Keratin, Albinism and Melanin

Test: Integumentary System - Question 17

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If dead cells of stratum corneum (outer most layer) alive then the most harmful effect is likely to-

A.
Bacteria will enter through skin inside the body
B.
Growth of hairs will decline
C.
Secreation of sweat is stopped
D.
Bacteria will develop on the skin

Test: Integumentary System - Question 18

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Which layer of skin of hands is highly developed in labourers who work hard with their hands-

A.
Dermis of palms
B.
Subdermal layer of palms
C.
Epidermal layer of palms
D.
All of the above

Test: Integumentary System - Question 19

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The ‘prickle-cell layer’ of the skin is -

A.
Stratum spinosum
B.
Stratum corneum
C.
Stratum germinativum
D.
None of these

Test: Integumentary System - Question 20

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The thickest portion of skin in man is found at the region of

A.
Head
B.
Thumb
C.
Palm
D.
Sole

Test: Integumentary System - Question 21

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Skin of rabbit is

A.
Dry, Thin Soft and Hairy
B.
Dry, Soft and Hairless
C.
Dry, Thick, Hard and Hairy
D.
Thick, Dry, Soft and Hairy

Test: Integumentary System - Question 22

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The transparent layer is formed from

A.
Stratum spongiosum of skin
B.
Epidermis of skin
C.
Stratum compactum
D.
Stratum lucidum of skin

Test: Integumentary System - Question 23

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Which of the following statements is true about frogs ?

A.
Frogs belong to the class Reptilia of phylum Chordata.
B.
Frogs can only live in freshwater environments.
C.
The most common species of frog found in India is Rana tigrina.
D.
Frogs are not part of the phylum Chordata.

Detailed Solution for Test: Integumentary System - Question 23

Explanation:

Let's analyze each option based on the provided context:

Frogs belong to the class Reptilia of phylum Chordata.
- This statement is incorrect because the context specifies that frogs belong to the class Amphibia, not Reptilia.
Frogs can only live in freshwater environments.
- This statement is incorrect because the context states that frogs can live both on land and in freshwater.
The most common species of frog found in India is Rana tigrina.
- This statement is correct according to the context provided.
Frogs are not part of the phylum Chordata.
- This statement is incorrect because the context clearly mentions that frogs belong to the phylum Chordata.

Therefore, the correct answer is: The most common species of frog found in India is Rana tigrina.

Test: Integumentary System - Question 24

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Primary function of sweat glands is

A.
Thermoregulation
B.
Osmoregulation
C.
Excretion
D.
None of the above

Test: Integumentary System - Question 25

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In rabbit, hairs and most of the glands are developed from

A.
Epidermis
B.
Dermis
C.
Subcutaneous layer
D.
Reticular layer

Test: Integumentary System - Question 26

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Mucous glands are not found in the skin of mammals because-

A.
Skin does not respire
B.
Skin is not slimmy
C.
Skin does not have vessels
D.
Outer skin is having strata of cells

Test: Integumentary System - Question 27

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Secretion of sebaceous glands help to keep-

A.
Lubricates the hair and makes the skin waterproof
B.
Hair and skin waterproof
C.
Only hair greasy
D.
None of above

Test: Integumentary System - Question 28

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On the basis of shape and structure sweat glands are

A.
Simple tubular
B.
Simple alveolar
C.
Compound acinar
D.
Compound tubular

Test: Integumentary System - Question 29

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Which gland has an opening into hair follicle

A.
Sweat gland
B.
Sebaceous gland
C.
Perineal gland
D.
Zeis gland

Test: Integumentary System - Question 30

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Lacrymal glands are responsible for secreting-

A.
Sebum
B.
Cerumin
C.
Tears
D.
Mucous

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