NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 27 - 32 of 3511

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Question number: 27

» Plant Physiology » Photosynthesis » Pigments Involved in Photosynthesis

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MCQ▾

Question

Moll’s experiment shows

Choices

Choice (4) Response

a.

Unequal transpiration from two surfaces of leaf.

b.

Relation between transpiration and absorption.

c.

Chlorophyll is essential for photosynthesis.

d.

CO2 is required for photosynthesis.

Question number: 28

» Plant Physiology » Mineral Nutrients » Hydroponics

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MCQ▾

Question

Hydroponics is

Choices

Choice (4) Response

a.

Growing of plants in sand

b.

Growing of floating aquatic plants

c.

Growing of aquatic plants

d.

Growing of plants in aqueous balanced nutrient

Question number: 29

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

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Question

Heteromorphic alternation of generation is found in

Choices

Choice (4) Response

a.

Mucor

b.

Pinus

c.

Spirogyra

d.

Selaginella

Question number: 30

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

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MCQ▾

Question

Operon is

Choices

Choice (4) Response

a.

A set of closely linked genes regulating metabolic pathways in prokaryotes.

b.

The sequence of three nitrogen bases determining a single amino acid.

c.

The sequence of nitrogen bases in mRNA which codes for a single amino acid.

d.

A segment of DNA specifying one polypeptide chain in protein synthesis.

Question number: 31

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

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MCQ▾

Question

The secondary wood of Pinus is characterized by

Choices

Choice (4) Response

a.

Presence of resin ducts.

b.

Absence of resin ducts.

c.

Presence of resin canals.

d.

Presence of vessels.

Question number: 32

» Plant Physiology » Mineral Nutrients » Macro and Micronutrients

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Question

A trace element is an element which

Choices

Choice (4) Response

a.

Was one of the first to be discovered in protoplasm

b.

Is a radioactive and can be traced by Geiger counter

c.

Is required in very minute amounts

d.

Draws other element out of protoplasm