NEET Biology Structural Organisation in Animals MCQs Set 18

Practice MCQs for NEET Biology Animal Tissues

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Multiple Choice Questions

Question 1: A tissue with a free surface facing a body fluid or the outside, with compactly packed cells and little intercellular matrix, is
(a) epithelial tissue
(b) connective tissue
(c) muscular tissue
(d) neural tissue
Show Answer & Explanation

Answer: (a) epithelial tissue

Explanation:
1. Epithelium provides covering or lining for body parts.

Teacher's Note:
1. Cells are tightly packed with minimal matrix.

Question 2: Simple epithelium is composed of
(a) two or more layers of cells
(b) cells with no nucleus
(c) only fibres
(d) a single layer of cells lining body cavities, ducts and tubes
Show Answer & Explanation

Answer: (d) a single layer of cells lining body cavities, ducts and tubes

Explanation:
1. Compound epithelium has two or more layers and protects, as in skin.

Teacher's Note:
1. Simple types have secretion and absorption roles.

Question 3: Simple squamous epithelium, made of a single thin layer of flattened cells, is found in
(a) ducts of glands
(b) air sacs of lungs and blood vessels
(c) lining of stomach
(d) fallopian tubes
Show Answer & Explanation

Answer: (b) air sacs of lungs and blood vessels

Explanation:
1. Squamous epithelium permits diffusion and filtration.

Teacher's Note:
1. Ciliated epithelium lines fallopian tubes.

Question 4: Cuboidal epithelium is commonly found in
(a) air sacs
(b) ducts of glands and tubular parts of nephrons
(c) blood vessels
(d) the skin surface
Show Answer & Explanation

Answer: (b) ducts of glands and tubular parts of nephrons

Explanation:
1. It functions in secretion and absorption.

Teacher's Note:
1. The PCT has a brush border of microvilli.

Question 5: The brush border epithelium with microvilli is found in the
(a) distal convoluted tubule
(b) loop of Henle
(c) collecting duct
(d) proximal convoluted tubule of the nephron
Show Answer & Explanation

Answer: (d) proximal convoluted tubule of the nephron

Explanation:
1. Microvilli increase surface area for absorption.

Teacher's Note:
1. This is a cuboidal epithelium.

Question 6: The function of cilia in ciliated epithelium is
(a) to absorb nutrients
(b) to move particles or mucus in a specific direction over the epithelium
(c) to secrete hormones
(d) to produce enzymes
Show Answer & Explanation

Answer: (b) to move particles or mucus in a specific direction over the epithelium

Explanation:
1. Ciliated epithelium lines bronchioles and fallopian tubes.

Teacher's Note:
1. It is a columnar or cuboidal type with cilia.

Question 7: Goblet cells of the alimentary canal are an example of
(a) multicellular endocrine glands
(b) ciliated cells
(c) squamous cells
(d) unicellular exocrine glands
Show Answer & Explanation

Answer: (d) unicellular exocrine glands

Explanation:
1. Goblet cells secrete mucus.

Teacher's Note:
1. Salivary glands are multicellular exocrine glands.

Question 8: Exocrine glands secrete
(a) hormones directly into blood
(b) only hormones
(c) only mucus
(d) mucus, saliva, earwax, oil, milk and digestive enzymes through ducts
Show Answer & Explanation

Answer: (d) mucus, saliva, earwax, oil, milk and digestive enzymes through ducts

Explanation:
1. They have ducts; endocrine glands are ductless.

Teacher's Note:
1. Salivary glands are exocrine.

Question 9: Compound epithelium is made of
(a) one layer of cells and is mainly absorptive
(b) more than one layer of cells and protects against chemical and mechanical stress
(c) one layer and secretory
(d) no cells
Show Answer & Explanation

Answer: (b) more than one layer of cells and protects against chemical and mechanical stress

Explanation:
1. Skin epidermis and the moist surface of buccal cavity are compound.

Teacher's Note:
1. Its role in secretion and absorption is limited.

Question 10: The most abundant and widely distributed tissue in complex animals is
(a) epithelial tissue
(b) connective tissue
(c) nervous tissue
(d) muscle tissue
Show Answer & Explanation

Answer: (b) connective tissue

Explanation:
1. Connective tissues link and support other tissues and organs.

Teacher's Note:
1. They are named for this function.

Question 11: In all connective tissues except blood, the cells secrete fibres of structural proteins called
(a) keratin or myosin
(b) collagen or elastin
(c) actin or myosin
(d) pepsin or trypsin
Show Answer & Explanation

Answer: (b) collagen or elastin

Explanation:
1. Fibres give strength, elasticity and flexibility.

Teacher's Note:
1. Blood has plasma but no fibres.

Question 12: The matrix of cartilage is
(a) liquid
(b) solid but pliable and resists compression
(c) calcified and hard
(d) fibrous only
Show Answer & Explanation

Answer: (b) solid but pliable and resists compression

Explanation:
1. Most cartilage in vertebrate embryos is replaced by bone in adults.

Teacher's Note:
1. Cartilage is found in the nose tip and ear pinna.

Question 13: How many malpighian tubules are present in a cockroach?
(a) 10 to 15
(b) 100 to 150
(c) 6 to 8
(d) 500 to 600
Show Answer & Explanation

Answer: (b) 100 to 150

Explanation:
1. At the junction of midgut and hindgut, 100 to 150 yellow tubules are present.

Teacher's Note:
1. They excrete uric acid.

Question 14: In a female cockroach, sperms are transferred by the male through a
(a) spermatophore
(b) ootheca
(c) gonopophysis
(d) cercus
Show Answer & Explanation

Answer: (a) spermatophore

Explanation:
1. The male deposits a bundle of sperms called spermatophore.

Teacher's Note:
1. The ootheca is the egg case.

Question 15: The respiratory system of a cockroach consists of a network of tracheae opening outside by
(a) gills
(b) book lungs
(c) spiracles
(d) lenticels
Show Answer & Explanation

Answer: (c) spiracles

Explanation:
1. Ten pairs of spiracles are present.

Teacher's Note:
1. Cockroach has no respiratory pigment in blood.

Question 16: The number of thoracic segments in a cockroach and the segments bearing wings are
(a) three, mesothorax and metathorax
(b) three, prothorax and mesothorax
(c) four, mesothorax and metathorax
(d) two, prothorax and metathorax
Show Answer & Explanation

Answer: (a) three, mesothorax and metathorax

Explanation:
1. The thorax has prothorax, mesothorax and metathorax; forewings arise from the mesothorax and hindwings from the metathorax.

Teacher's Note:
1. Wings are absent on the prothorax.

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Animal Tissues Objective Questions & Solutions for NEET Biology

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FAQs

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