NEET Biology: Questions 969 - 976 of 3146

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Question number: 969

» Cell Structure and Function » B Cell Division » Mitosis

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.

256

d.

128

Question number: 970

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

MCQ▾

Question

Genotype of a Down’s syndrome is

Choices

Choice (4) Response

a.

44 + XY

b.

44 + XXY

c.

45 + XX

d.

22 + XY

Question number: 971

» Cell Structure and Function » B Cell Division » Meiosis

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

MCQ▾

Question

Carrier proteins are involved in

Choices

Choice (4) Response

a.

Water transport.

b.

Water evaporation

c.

Active transport of ions

d.

Passive transport of ions.

Question number: 973

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

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Secretin, cholecystokinin

b.

Prolactin, parathormone

c.

Kinase, estrogen

d.

Estradoil, progesterone

Question number: 974

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

MCQ▾

Question

Meiosis is Ulothrix takes place during

Choices

Choice (4) Response

a.

zoospore germination

b.

gamete formation

c.

zoospore formation

d.

zygote germination

Question number: 975

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

MCQ▾

Question

Bile salt

Choices

Choice (4) Response

a.

Acts as emulsifying agent.

b.

Stimulates the bile production in liver.

c.

Helps in absorption of fatty acids, cholesterol etc.

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

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Hypofunction of the parathyroid

b.

Hyperfunction of the parathyroid

c.

Hypofunction of the thyroid

d.

Hyperfunction of the thyroid.

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