NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 424 - 429 of 3511

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Question number: 424

» Ecology and Environment » Environmental Issues » Greenhouse Effect and Global Warning

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MCQ▾

Question

Which gas of the atmosphere holds up ultraviolet rays?

Choices

Choice (4) Response

a.

O2

b.

CH4

c.

N2

d.

O3

Question number: 425

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

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MCQ▾

Question

Hormone released by posterior lobe of pituitary is concerned with

Choices

Choice (4) Response

a.

Contraction of uterus.

b.

Stimulation of thyroid

c.

Metabolism of carbohydrates

d.

Secondary sexual characters

Question number: 426

» Biotechnology and Its Applications » Application of Biotechnology in Health and Agriculture

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MCQ▾

Question

Which of the following can be controlled by using biopesticides?

Choices

Choice (4) Response

a.

Diseases

b.

Insects

c.

Weeds

d.

All a. , b. and c. are correct

Question number: 427

» Diversity in Living World » Five Kingdom Classification » Fungi

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MCQ▾

Question

Which one of the following is correct for structure of cell wall of fungi and bacteria?

Choices

Choice (4) Response

a.

Fungi and bacteria have glycopeptide.

b.

Fungi and bacteria are made up of chitin.

c.

Fungi and bacteria are made up of N- acetylglucosamine and cellulose.

d.

Fungi and bacteria are made up of N-acetylglucosamine.

Question number: 428

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

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MCQ▾

Question

In dicot root

Choices

Choice (4) Response

a.

Vascular bundles are arranged in a ring and have cambium.

b.

Xylem is always endarch.

c.

Xylem and phloem radially arranged.

d.

Vascular bundles are scattered and with cambium.

Question number: 429

» Cell Structure and Function » Cell Organelles - Structure and Function » Centrioles

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MCQ▾

Question

The function of centrosome is

Choices

Choice (4) Response

a.

Inhibition cell division.

b.

To increase protein synthesis.

c.

Inhibition of cell division.

d.

None of the above