NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 969 - 976 of 3511

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Question number: 969

» Cell Structure and Function » B Cell Division » Mitosis

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MCQ▾

Question

How many mitotic divisions must occur in a cell of root tip to form 256 cells?

Choices

Choice (4) Response

a.

64

b.

8

c.

128

d.

256

Question number: 970

» Genetics and Evolution » Heredity and Variation » Down's Syndrome, Turner's and Klinefelter's Syndromes

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MCQ▾

Question

Genotype of a Down’s syndrome is

Choices

Choice (4) Response

a.

22 + XY

b.

44 + XXY

c.

44 + XY

d.

45 + XX

Question number: 971

» Cell Structure and Function » B Cell Division » Meiosis

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MCQ▾

Question

Chromosome number is halved in meiosis during

Choices

Choice (4) Response

a.

telophase-I

b.

metaphase-I

c.

metaphase-II

d.

anaphase-I

Question number: 972

» Plant Physiology » Transport in Plants » Active Transport

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MCQ▾

Question

Carrier proteins are involved in

Choices

Choice (4) Response

a.

Water evaporation

b.

Active transport of ions

c.

Passive transport of ions.

d.

Water transport.

Question number: 973

» Human Physiology » Digestion and Absorption » Alimentary Canal and Digestive Glands

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MCQ▾

Question

Duodenum has characteristic Brunner’s glands which secrete two hormones called

Choices

Choice (4) Response

a.

Kinase, estrogen

b.

Estradoil, progesterone

c.

Secretin, cholecystokinin

d.

Prolactin, parathormone

Question number: 974

» Diversity in Living World » Five Kingdom Classification » Plant Group - Algae

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MCQ▾

Question

Meiosis is Ulothrix takes place during

Choices

Choice (4) Response

a.

zygote germination

b.

gamete formation

c.

zoospore formation

d.

zoospore germination

Question number: 975

» Human Physiology » Digestion and Absorption » Role of Digestive Enzymes and Gastrointestinal Hormones

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MCQ▾

Question

Bile salt

Choices

Choice (4) Response

a.

Acts as emulsifying agent.

b.

Helps in absorption of fatty acids, cholesterol etc.

c.

Stimulates the bile production in liver.

d.

All a. , b. and c. are correct

Question number: 976

» Human Physiology » Neural Control and Coordination » Endocrine System-Hypothalamus, Pituitary, Pineal, Thyroid, Parathyroid, Adrenal, Pancreas, Gonads

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MCQ▾

Question

‘Exophthalmic goitre’ (Grave’s disease) is caused due to

Choices

Choice (4) Response

a.

Hypofunction of the thyroid

b.

Hypofunction of the parathyroid

c.

Hyperfunction of the parathyroid

d.

Hyperfunction of the thyroid.