NEET Biology: Questions 284 - 290 of 3146

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Question number: 284

» Biotechnology and Its Applications » Application of Biotechnology in Health and Agriculture

MCQ▾

Question

Some of the characteristics of Bt cotton are

Choices

Choice (4) Response

a.

Long fibre and resistance to aphids

b.

High yield and production of toxic protein crystals which kill dipteran pests

c.

Medium yield, long fibre and resistance to beetle pests

d.

High yield and resistance to bollworms

Question number: 285

» Reproduction » Reproduction in Organisms » Asexual Reproduction

MCQ▾

Question

Development of embryo from the cells of the nucellus is called

Choices

Choice (4) Response

a.

Apospory

b.

Parthenocarpy

c.

Apocarpy

d.

Adventive embryony

Question number: 286

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

MCQ▾

Question

Inverted pyramid is found in.

Choices

Choice (4) Response

a.

Biomass pyramid of grassland.

b.

Biomass pyramid of aquatic system.

c.

Pyramid of number of aquatic grassland.

d.

Energy pyramid of grassland.

Question number: 287

» Plant Physiology » Mineral Nutrients » Essential Minerals

MCQ▾

Question

the most abundant element present in the plants is

Choices

Choice (4) Response

a.

Carbon

b.

Manganese

c.

Nitrogen

d.

Iron

Question number: 288

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

MCQ▾

Question

Cranial nerves originating from medulla oblongata are

Choices

Choice (4) Response

a.

I, VIII, IX, X

b.

VII, IX, X, XI, XII

c.

IX, X, XI, XII, III

d.

III, VII, IX

Question number: 289

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

MCQ▾

Question

In Selaginella tapetum originates from

Choices

Choice (4) Response

a.

basal part of cone

b.

wall of sporangium

c.

sporogenous tissue

d.

sporophy11

Question number: 290

» Plant Physiology » Transport in Plants » Movement of Water, Gases and Nutrients

MCQ▾

Question

In soil, water available for plants is

Choices

Choice (4) Response

a.

Capillary water

b.

Chemically bound water

c.

Gravitational water

d.

Hygroscopic water

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