NEET Biology: Questions 230 - 237 of 3146

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Question number: 230

» Biotechnology and Its Applications » Principles and Process of Biotechnology

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

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

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Restriction endonuclease

b.

DNA-ligase

c.

RNA-polymerase

d.

Exonuclease

Question number: 233

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

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Chlorella

b.

Welwitschia

c.

Selaginella

d.

Rafflesia

Question number: 234

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

MCQ▾

Question

Pineal body originates from

Choices

Choice (4) Response

a.

Dorsal part of cerebellum

b.

Dorsal part of diencephalon

c.

Ventral part of diencephalon

d.

Ventral part of cerebellum.

Question number: 235

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

MCQ▾

Question

At maturity which of the following is enucleate?

Choices

Choice (4) Response

a.

Palisade cell

b.

Cortical cell

c.

Companion cell

d.

Sieve cell

Question number: 236

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

MCQ▾

Question

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

Choices

Choice (4) Response

a.

autogamy

b.

anisogamy

c.

hologamy

d.

isogamy

Question number: 237

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

MCQ▾

Question

Filtration into the kidney tubule is accomplished by means of

Choices

Choice (4) Response

a.

Hydrostatic blood pressure in glomerulus.

b.

An osmotic potential gradient.

c.

Active transport by renal tubule.

d.

Secretion by renal tubule.

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