NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 791 - 796 of 3511

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Question number: 791

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

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Question

Progesterone is

Choices

Choice (4) Response

a.

A hormone concerned with retention and growth of pregnancy

b.

An enzyme for digesting proteins.

c.

A hormone to initiate uterine contraction during child birth

d.

An amino acid which may cause alkaptonuria

Question number: 792

» Plant Physiology » Plant Growth and Development » Growth Regulators-Auxin, Gibberellin, Cytokinin, Ethylene, ABA

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Question

Specific property attributed to gibberellin is

Choices

Choice (4) Response

a.

Promotion of rooting

b.

Yellowing of young leaves.

c.

Shortening of genetically tall plants

d.

Elongation of genetically dwarf plant

Question number: 793

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

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Question

An advantage which made seed bearing plants so greatly surpass the ferns in colonzing the land, is the evolution of the

Choices

Choice (4) Response

a.

Ability to photosynthesize.

b.

Woody stem.

c.

Fibrous root system.

d.

Non-swimming sperms.

Question number: 794

» Biology and Human Welfare » Health and Disease » Basic Concepts of Immunology-Vaccines

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MCQ▾

Question

An antibody is a

Choices

Choice (4) Response

a.

Secretion of mammalian RBC

b.

Component of blood

c.

Molecule that specifically inactivates an antigen.

d.

WBC which invades bacteria

Question number: 795

» Biology and Human Welfare » Health and Disease » HIV and AIDS

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MCQ▾

Question

AIDS virus has

Choices

Choice (4) Response

a.

Single stranded DNA.

b.

Double stranded DNA.

c.

Double stranded RNA

d.

Single stranded RNA.

Question number: 796

» Cell Structure and Function » Cell Organelles - Structure and Function » Mitochondria

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MCQ▾

Question

If living cells similar to those found on earth, were found on another planet where there was no oxygen then which cell organelle would most probably be absent?

Choices

Choice (4) Response

a.

Ribosomes

b.

Mitochondria

Chromosomes

c.

Cell membrane

d.

Mitochondria