NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 411 - 415 of 3513

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Question number: 411

» Plant Physiology » Mineral Nutrients » Macro and Micronutrients

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MCQ▾

Question

In guard cells, presence of potassium is essential for

Choices

Choice (4)Response

a.

In controlling cell division

b.

In enzymatic reactions

c.

Maintaining osmotic pressure

d.

None of the above

Question number: 412

» Diversity in Living World » Five Kingdom Classification » Monera

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MCQ▾

Question

Which is not true for the heterocyst of Nostoc?

Choices

Choice (4)Response

a.

Co2 fixation ability.

b.

Intercalary position.

c.

Presence of polar nodules.

d.

Site of nitrogen fixation.

Question number: 413

» Plant Physiology » Plant Growth and Development » Differentiation, Dedifferentiation and Redifferentiation

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MCQ▾

Question

The correct sequence of cellular growth stages is

Choices

Choice (4)Response

a.

Division→ differentiation→ elongation.

b.

Differentiation→ division→ elongation.

c.

Elongation→ differentiation→ division.

d.

Division→ elongation→ differentiation.

Question number: 414

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

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MCQ▾

Question

Which of the following is not characteristic feature of the anatomy of dicotyledonous root?

Choices

Choice (4)Response

a.

Radial vascular bundles

b.

Vascular bundles 15 - 20

c.

Pith little or absent

d.

Secondary growth

Question number: 415

» Human Physiology » Neural Control and Coordination » Neuron and Nerves

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MCQ▾

Question

Four healthy people in their twenties got involved in injuries resulting in damage and death of few cells of the following. Which of the cells are least likely to be replaced by new cells?

Choices

Choice (4)Response

a.

Osteocytes

b.

Neurons

c.

Liver cells

d.

Malpighian layer of the skin

Developed by: