NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 601 - 606 of 3511

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Question number: 601

» Diversity in Living World » Five Kingdom Classification » Monera

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Question

In Escherichia coli

Choices

Choice (4) Response

a.

One RNA molecule is present.

b.

One chromosome is present.

c.

One DNA molecule is present.

d.

An organised nucleus is present.

Question number: 602

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

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MCQ▾

Question

Gaseous exchange in land plants takes place through stomatal opening, while in submerged hydrophytes it takes place by

Choices

Choice (4) Response

a.

General surface of the cells by diffusion

b.

Hydathodes

c.

Stomata

d.

Lenticels

Question number: 603

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

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MCQ▾

Question

Meristematic tissues include

Choices

Choice (4) Response

a.

Mature fruits and leaf tips.

b.

Stem and root apices, cork cambium and mature fruits.

c.

Stem and root apices, vascular cambium and cork cambium.

d.

leaf tips, cork cambium and vascular cambium

Question number: 604

» Plant Physiology » Transport in Plants » Active Transport

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Question

Ion uptake is called active because

Choices

Choice (4) Response

a.

ions move freely

b.

energy is expended

c.

ions are active

d.

Question does not provide sufficient data or is vague

Question number: 605

» Ecology and Environment » Ecosystem » Patterns, Components

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Question

Which of the following must be preserved in an ecosystem, if the system is to be maintained?

Choices

Choice (4) Response

a.

Producers and carnivores

b.

Carnivores and decomposers

c.

Producers and decomposers

d.

Herbivores and carnivores

Question number: 606

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

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Question

‘Exophthalmic goitre’ (Grave’s disease) is caused due to

Choices

Choice (4) Response

a.

Hyperfunction of the thyroid.

b.

Hyperfunction of the parathyroid

c.

Hypofunction of the parathyroid

d.

Hypofunction of the thyroid