NEET Biology Animal Tissue MCQs Set 12

Biology Objective Questions and Answers: Animal Tissue

Explore reliable objective questions for Animal Tissue tailored for NEET learners. Utilizing these Biology multiple-choice formats ensures thorough preparation and strengthens problem-solving speed for upcoming school assessments.

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Multiple Choice Questions

Question 1: The sweat glands of a human being originate from
(a) Ectoderm
(b) Mesoderm
(c) Endoderm
(d) All of these
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Answer: (a) Ectoderm

Explanation:
1. The epidermis and its derivatives (sweat, sebaceous glands, hair, nails) develop from the ectoderm.
2. The dermis is mesodermal.

Teacher's Note:
1. Skin glands are epidermal in origin.

Question 2: Mesothelium or peritoneum originates from
(a) Ectoderm
(b) Endoderm
(c) Ectomesoderm
(d) Mesoderm
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Answer: (d) Mesoderm

Explanation:
1. Mesothelium lines the coelom and is derived from the mesoderm.
2. It is a squamous epithelium.

Teacher's Note:
1. Coelom is a mesodermal cavity.

Question 3: The vesicles of the thyroid gland are composed of
(a) Simple squamous epithelium
(b) Simple cuboidal epithelium
(c) Stratified squamous epithelium
(d) Stratified cuboidal epithelium
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Answer: (b) Simple cuboidal epithelium

Explanation:
1. Thyroid follicles are lined by a single layer of cuboidal cells.
2. The follicles store thyroglobulin.

Teacher's Note:
1. Cuboidal epithelium is often glandular.

Question 4: Which gland secretes chemicals by simple diffusion or exocytosis without losing cell parts?
(a) Apocrine gland
(b) Holocrine gland
(c) Merocrine gland
(d) Oil gland
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Answer: (c) Merocrine gland

Explanation:
1. Merocrine glands secrete product through the cell membrane without loss of cell material.
2. Apocrine loses the apical part and holocrine loses the whole cell.

Teacher's Note:
1. Merocrine = no cell loss.

Question 5: Compound squamous epithelium occurs in
(a) Stomach
(b) Pharynx
(c) Intestine
(d) Trachea
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Answer: (b) Pharynx

Explanation:
1. The pharynx has stratified squamous (compound) epithelium for protection.
2. The stomach and intestine have columnar epithelium and the trachea ciliated epithelium.

Teacher's Note:
1. Compound epithelium protects against abrasion.

Question 6: Stratified and non-keratinised squamous epithelium occurs in
(a) Epidermis of skin
(b) Vagina and cervix
(c) Buccal cavity
(d) Both 2 and 3
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Answer: (d) Both 2 and 3

Explanation:
1. Vagina, cervix, mouth and oesophagus have moist non-keratinised stratified epithelium.
2. The epidermis is keratinised.

Teacher's Note:
1. Keratin makes the epidermis dry and waterproof.

Question 7: The basement membrane is
(a) Formed of epidermal cells
(b) Formed of endodermal cells
(c) Formed of both epidermal and endodermal cells
(d) None of the above, but present below epithelial cells
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Answer: (d) None of the above, but present below epithelial cells

Explanation:
1. The basement membrane is a non-cellular matrix of protein and polysaccharide underneath the epithelium.
2. It is not made of cells.

Teacher's Note:
1. It anchors the epithelium to connective tissue.

Question 8: Regeneration after injury is absent in
(a) Nervous tissue
(b) Skin epidermis
(c) Tendon
(d) Smooth muscles
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Answer: (a) Nervous tissue

Explanation:
1. Mature neurons do not divide and are not replaced.
2. Skin epidermis and others regenerate.

Teacher's Note:
1. Epithelial cells divide rapidly.

Question 9: Brush border epithelium occurs in
(a) Trachea
(b) Stomach
(c) Small intestine
(d) Fallopian tube
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Answer: (c) Small intestine

Explanation:
1. The intestinal absorptive cells have microvilli forming the brush border.
2. The trachea and fallopian tube have cilia.

Teacher's Note:
1. Microvilli increase absorption.

Question 10: Adjacent epithelial cells are held together by
(a) Liposomes
(b) Glyoxysomes
(c) Desmosomes
(d) Microsomes
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Answer: (c) Desmosomes

Explanation:
1. Desmosomes and other junctions (tight and gap junctions) hold cells.
2. The other organelles are not cell junctions.

Teacher's Note:
1. Tight junctions prevent leakage.

Question 11: Vertebrate salivary glands and the exocrine part of the pancreas are
(a) Apocrine
(b) Holocrine
(c) Epicrine
(d) Merocrine
Show Answer & Explanation

Answer: (d) Merocrine

Explanation:
1. These glands discharge secretions by exocytosis without damaging the cells.
2. They are merocrine.

Teacher's Note:
1. Sebaceous glands are holocrine.

Question 12: Sebaceous glands are
(a) Apocrine
(b) Holocrine
(c) Merocrine
(d) Endocrine
Show Answer & Explanation

Answer: (b) Holocrine

Explanation:
1. In holocrine glands the whole secretory cell breaks down to form the secretion, as in oil (sebaceous) glands.
2. Sebum lubricates the skin.

Teacher's Note:
1. Holocrine = the whole cell is the secretion.

Question 13: A characteristic of epithelial tissues is that
(a) They never produce glands
(b) Cells can undergo rapid divisions
(c) There is abundant vascularisation
(d) There are large intercellular spaces
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Answer: (b) Cells can undergo rapid divisions

Explanation:
1. Epithelial cells divide rapidly to replace damaged cells.
2. They are avascular with little intercellular material.

Teacher's Note:
1. Epithelium forms glands, so option 1 is false.

Question 14: Volkmann's canals interconnect
(a) Bone marrow
(b) 3rd and 4th ventricles of the brain
(c) Central canals and 4th ventricle
(d) Haversian canals
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Answer: (d) Haversian canals

Explanation:
1. Volkmann's canals run transversely and connect adjacent Haversian canals.
2. They carry blood vessels.

Teacher's Note:
1. Haversian canals run longitudinally.

Question 15: The heart consists of which tissues?
(a) Only connective tissue
(b) Epithelial and muscular tissues only
(c) Connective, muscular and neural tissues only
(d) All of these
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Answer: (d) All of these

Explanation:
1. The heart has epithelium (endocardium), connective tissue, cardiac muscle and nerve fibres.
2. All four tissues are present.

Teacher's Note:
1. Organs contain more than one kind of tissue.

Question 16: Supportive connective tissue means
(a) Tendon
(b) Cartilage and bone
(c) Ligaments
(d) Blood and lymph
Show Answer & Explanation

Answer: (b) Cartilage and bone

Explanation:
1. Cartilage and bone support and protect the body.
2. Blood and lymph are fluid connective tissue.

Teacher's Note:
1. Specialised connective tissues: cartilage, bone, blood.

Question 17: Select the false statement about epithelial tissue.
(a) It has a free surface
(b) It faces body fluids sometimes
(c) It faces the external environment sometimes
(d) It sometimes forms the middle structural part of organs
Show Answer & Explanation

Answer: (d) It sometimes forms the middle structural part of organs

Explanation:
1. Epithelium forms the lining or covering; it does not form the middle structural part of organs.
2. The other statements are true.

Teacher's Note:
1. One surface of epithelium is free, the other is attached to the basement membrane.

Question 18: The gall bladder is lined by
(a) Simple columnar epithelium
(b) Stratified columnar epithelium
(c) Brush border columnar epithelium
(d) Brush border cuboidal epithelium
Show Answer & Explanation

Answer: (c) Brush border columnar epithelium

Explanation:
1. The gall bladder has a simple columnar epithelium with microvilli that absorbs water to concentrate bile.
2. It is not stratified.

Teacher's Note:
1. Bile is concentrated in the gall bladder.

Question 19: Epithelial tissue is
(a) A protective covering
(b) A reproductive structure
(c) Nerve cells
(d) Corpuscles
Show Answer & Explanation

Answer: (a) A protective covering

Explanation:
1. Epithelium covers and lines organs and provides protection.
2. It is not made of nerve cells or blood corpuscles.

Teacher's Note:
1. Epithelium has covering, secretory and absorptive roles.

Question 20: Simple epithelium is made of
(a) A non-cellular layer of hyaluronic acid
(b) Actively dividing cells
(c) Loosely arranged cells
(d) A compactly packed single layer of cells
Show Answer & Explanation

Answer: (d) A compactly packed single layer of cells

Explanation:
1. Simple epithelium has a single layer of tightly packed cells on a basement membrane.
2. There is little intercellular matrix.

Teacher's Note:
1. Compound epithelium has many layers.

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