NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 208 - 211 of 3511

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Question number: 208

» Reproduction » Reproduction in Organisms » Characteristics of Reproduction

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MCQ▾

Question

A perennial plant differs from biennial in

Choices

Choice (4)Response

a.

Having asexual reproductive structures.

b.

Being tree species.

c.

Not dying after seasonal production of flowers.

d.

Having underground perennating structure.

Question number: 209

» Plant Physiology » Photosynthesis » Pigments Involved in Photosynthesis

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MCQ▾

Question

“The amount of CO2 absorbed and O2 released during photosynthesis are in equal volumes” was proved by

Choices

Choice (4)Response

a.

Engleman

b.

Robert Mayer

c.

Priestely

d.

Bousingault

Question number: 210

» Genetics and Evolution » Molecular Basis of Inheritance » Gene Expression and Regulation

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MCQ▾

Question

In operon concept, the regulator gene regulates chemical reactions in the cell by

Choices

Choice (4)Response

a.

Inhibiting migration of mRNA into cytoplasm.

b.

Inhibiting transcription of mRNA

c.

Inhibiting the substrate in the reaction.

d.

Inactivating enzymes in the reaction

Question number: 211

» Biotechnology and Its Applications » Recombinant DNA Technology

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MCQ▾

Question

Find the incorrect statement

Choices

Choice (4)Response

a.

Bt toxin is a biodegradable insecticide obtained from Bacillus thuringinsis.

b.

Gene therapy is a genetic engineering technique used to treat diseases at molecular level by replacing defective genes with normal genes.

c.

Trichoderima species is a biocontrol agent for fungal diseases of plants.

d.

Calcitonin is a medically useful recombinant product in the treatment of infertility.

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