NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 428 - 433 of 3511

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Question number: 428

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

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Question

In dicot root

Choices

Choice (4)Response

a.

Vascular bundles are arranged in a ring and have cambium.

b.

Xylem is always endarch.

c.

Xylem and phloem radially arranged.

d.

Vascular bundles are scattered and with cambium.

Question number: 429

» Cell Structure and Function » Cell Organelles - Structure and Function » Centrioles

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Question

The function of centrosome is

Choices

Choice (4)Response

a.

Inhibition cell division.

b.

To increase protein synthesis.

c.

Inhibition of cell division.

d.

None of the above

Question number: 430

» Ecology and Environment » Ecosystem » Patterns, Components

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Question

In an ecosystem, the population of

Choices

Choice (4)Response

a.

Primary consumers are least dependent upon primary producers.

b.

Secondary consumers are largest because they are powerful.

c.

Primary consumers out number primary producers.

d.

Primary producers are more than that of primary consumers.

Question number: 431

» Plant Physiology » Transport in Plants » Transpiration-Opening and Closing of Stomata

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Question

Which of the following factors is the most important in the regulation of transpiration?

Choices

Choice (4)Response

a.

Wind

b.

Humidity

c.

Temperature

d.

Light

Question number: 432

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

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MCQ▾

Question

Leaflets are called pinnules in

Choices

Choice (4)Response

a.

decompounds leaf

b.

twice pinnately compound leaf

c.

thrice pinnately compound leaf

d.

once pinnately compound leaf

Question number: 433

» Reproduction » Sexual Reproduction in Flowering Plants » Double Fertilization

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MCQ▾

Question

In angiosperms, free nuclear divisions occurs during

Choices

Choice (4)Response

a.

Flower formation

b.

Embryo formation

c.

Endosperm formation

d.

Gamete formation

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