NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 182 - 187 of 3511

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Question number: 182

» Plant Physiology » Mineral Nutrients » Essential Minerals

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Question

Which of the following essential element is necessary in plants for protein synthesis?

Choices

Choice (4) Response

a.

Phosphorus

b.

Calcium

c.

Magnesium

d.

Nitrogen

Question number: 183

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

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MCQ▾

Question

Ovules in Pinus are generally

Choices

Choice (4) Response

a.

Anatropous with one integument.

b.

Anatropous with three integuments.

c.

Anatropous with four integuments.

d.

Orthotropous with two integuments.

Question number: 184

» Genetics and Evolution » Heredity and Variation » Mendelian Inheritance

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Question

Mendel crossed a pure white-flowered recessive pea plant with a dominant pure red-flowered plant. The first generation of hydrids from the cross should show

Choices

Choice (4) Response

a.

All red-flowered plants.

b.

75 % red-flowered and 25 % white-flowered plants.

c.

All white-flowered plants.

d.

50 % white-flowered and 50 % red-flowered plants.

Question number: 185

» Ecology and Environment » Ecosystem » Pyramids of Number, Biomass, Energy

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Question

In a food web, each successive trophic level has

Choices

Choice (4) Response

a.

Non estimated energy content

b.

More total energy content

c.

Less total energy content

d.

Increased total energy

Question number: 186

» Cell Structure and Function » Chemical Constituents of Living Cells » Biomolecules-Structure and Function

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Question

A complex polysaccharide produced from sucrose by the bacterium Leuconostic mesenteroides is

Choices

Choice (4) Response

a.

Chitin

b.

Dextran

c.

Cellulose

d.

Starch

Question number: 187

» Plant Physiology » Plant Growth and Development » Growth Regulators-Auxin, Gibberellin, Cytokinin, Ethylene, ABA

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MCQ▾

Question

Which combination of gases is suitable for fruit ripening?

Choices

Choice (4) Response

a.

80 % CH4 and 20 % CO2

b.

80 % C2H4 and 20 % CO2

c.

80 % CO2 and 20 % CH2

d.

80 % CO2 and 20 % O2