NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 230 - 237 of 3511

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Question number: 230

» Biotechnology and Its Applications » Principles and Process of Biotechnology

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MCQ▾

Question

Somaclonal variations are produced

Choices

Choice (4) Response

a.

In tissue culture during differentiation.

b.

By mutagens

c.

By sexual reproduction.

d.

By gamma rays.

Question number: 231

» Plant Physiology » Photosynthesis » Factors Affecting Photosynthesis

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MCQ▾

Question

Which of the following inhibits O2 release in light phase?

Choices

Choice (4) Response

a.

DCMU

b.

PMA

c.

Zeatin

d.

All of the above

Question number: 232

» Biotechnology and Its Applications » Genetic Engineering

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MCQ▾

Question

Which of the following enzymes cut the DNA molecule at specific nucleotide sequence?

Choices

Choice (4) Response

a.

Exonuclease

b.

Restriction endonuclease

c.

RNA-polymerase

d.

DNA-ligase

Question number: 233

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

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MCQ▾

Question

Which of the following is known as ‘resurrection plant’?

Choices

Choice (4) Response

a.

Rafflesia

b.

Selaginella

c.

Chlorella

d.

Welwitschia

Question number: 234

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

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MCQ▾

Question

Pineal body originates from

Choices

Choice (4) Response

a.

Ventral part of cerebellum.

b.

Dorsal part of cerebellum

c.

Ventral part of diencephalon

d.

Dorsal part of diencephalon

Question number: 235

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

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MCQ▾

Question

At maturity which of the following is enucleate?

Choices

Choice (4) Response

a.

Sieve cell

b.

Companion cell

c.

Cortical cell

d.

Palisade cell

Question number: 236

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

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Question

Fusion of mature individuals which directly act as gametes, is called

Choices

Choice (4) Response

a.

anisogamy

b.

autogamy

c.

hologamy

d.

isogamy

Question number: 237

» Human Physiology » Excretory Products and Their Elimination » Regulation of Kidney Function

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MCQ▾

Question

Filtration into the kidney tubule is accomplished by means of

Choices

Choice (4) Response

a.

An osmotic potential gradient.

b.

Active transport by renal tubule.

c.

Secretion by renal tubule.

d.

Hydrostatic blood pressure in glomerulus.