NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 3336 - 3340 of 3511

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Question number: 3336

» Biology and Human Welfare » Improvement in Food Production » Single Cell Protein

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Appeared in Year: 2017

MCQ▾

Question

Transplantation of tissues/organs fails often due to non - acceptance by the patient’s body. Which type of immune - response is responsible for such rejection

Choices

Choice (4) Response

a.

Autoimmune response

b.

Physiological immune response

c.

Cell - mediated immune response

d.

Hormonal immune response

Question number: 3337

» Structural Organization in Animals and Plants » Plant Tissues - Morphology, Anatomy and Functions » Fruit

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Appeared in Year: 2017

MCQ▾

Question

Coconut fruit is a

Choices

Choice (4) Response

a.

Capsule

b.

Berry

c.

Nut

d.

Drupe

Question number: 3338

» Ecology and Environment » Ecosystem » Ecological Services-Carbon Fixation, Pollination, Oxygen Release

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Appeared in Year: 2017

MCQ▾

Question

Attractants and rewards are required for:

Choices

Choice (4) Response

a.

Cleistogamy

b.

Anemophily

c.

Entomophily

d.

Hydrophily

Question number: 3339

» Reproduction » Human Reproduction » Gametogenesis-Spermatogenesis & Oogenesis

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Appeared in Year: 2017

MCQ▾

Question

The function of copper ions in copper releasing IUD’s is

Choices

Choice (4) Response

a.

They suppress sperm motility and fertilizing capacity of sperms

b.

They make uterus unsuitable for implantation

c.

They inhibit gametogenesis

d.

They inhibit ovulation

Question number: 3340

» Plant Physiology » Transport in Plants » Transpiration-Opening and Closing of Stomata

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Appeared in Year: 2017

MCQ▾

Question

Which of the following facilitates opening of stomatal aperture?

Choices

Choice (4) Response

a.

Decrease in turgidity of guard cells

b.

Longitudinal orientation of cellulose microfibrils in the cell wall of guard cell

c.

Radial orientation of cellulose microfibrils in the cell wall of guard cells

d.

Contraction of outer wall of guard cells