NEET Biology: Questions 409 - 415 of 3146

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Question number: 409

» Biotechnology and Its Applications » Principles and Process of Biotechnology

MCQ▾

Question

Crosses between the plants of the same variety are called

Choices

Choice (4) Response
a.

Intravarietal

b.

Intergeneric

c.

Interspecific

d.

Intervarietal

Question number: 410

» Plant Physiology » Transport in Plants » Transpiration Pull

MCQ▾

Question

Of the processes which occur in leaves, the one which may lower their temperature (cooling effect) is

Choices

Choice (4) Response
a.

Respiration

b.

Hydrolysis

c.

Photosynthesis

d.

Transpiration

Question number: 411

» Plant Physiology » Mineral Nutrients » Macro and Micronutrients

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. All of the above

Question number: 412

» Diversity in Living World » Five Kingdom Classification » Monera

MCQ▾

Question

Which is not true for the heterocyst of Nostoc?

Choices

Choice (4) Response
a.

Intercalary position.

b.

Co2 fixation ability.

c.

Presence of polar nodules.

d.

Site of nitrogen fixation.

Question number: 413

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

MCQ▾

Question

The correct sequence of cellular growth stages is

Choices

Choice (4) Response
a.

Elongation→ differentiation→ division.

b.

Differentiation→ division→ elongation.

c.

Division→ elongation→ differentiation.

d.

Division→ differentiation→ elongation.

Question number: 414

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

MCQ▾

Question

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

Choices

Choice (4) Response
a.

Vascular bundles 15 - 20

b.

Secondary growth

c.

Pith little or absent

d.

Radial vascular bundles

Question number: 415

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

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.

Neurons

b.

Liver cells

c.

Malpighian layer of the skin

d.

Osteocytes

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