NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 1248 - 1255 of 3511

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Question number: 1248

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

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MCQ▾

Question

First land inhabiting plants are

Choices

Choice (4) Response

a.

angiosperms

b.

pteridophytes

c.

gymnosperms

d.

bryophytes

Question number: 1249

» Biotechnology and Its Applications » Genetic Engineering

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MCQ▾

Question

A genetic clone is

Choices

Choice (4) Response

a.

Heterozygous plant produced by sexual means

b.

Hybrid produced by sexual means.

c.

Homozygous plant produced by sexual means

d.

A plant produced by asexual means.

Question number: 1250

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

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Question

In the embryo of Pinus, rosette cells lie

Choices

Choice (4) Response

a.

Above suspensor cells.

b.

Between embrykonal and apical cells.

c.

Between suspensor and embryonal cells.

d.

Between primary and secondary suspensor cells.

Question number: 1251

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

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MCQ▾

Question

Most important character of Brassica campestris is

Choices

Choice (4) Response

a.

Parietal placentation

b.

False septum

c.

Imbricate aestivation

d.

Ebracteate

Question number: 1252

» Plant Physiology » Mineral Nutrients » Deficiency Symptoms

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MCQ▾

Question

Which of the following is used as green manure?

Choices

Choice (4) Response

a.

Azolla

b.

Hevea brassiliansis

c.

Crotalaria juncea

d.

Azadirachta indica

Question number: 1253

» Ecology and Environment » Environmental Issues » Agrochemicals and Their Effects

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MCQ▾

Question

Decrease in rate of mitosis in root tips is caused by

Choices

Choice (4) Response

a.

SO2

b.

Cu

c.

Pb

d.

CO2

Question number: 1254

» Human Physiology » Digestion and Absorption » Role of Digestive Enzymes and Gastrointestinal Hormones

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MCQ▾

Question

Just as hydrochloric acid is to pepsinogen, so is

Choices

Choice (4) Response

a.

Bile juice to fat

b.

Enterokinase to trypsinogen

c.

Glucagon to glycogen

d.

Haemoglobin to oxygen

Question number: 1255

» Plant Physiology » Plant Growth and Development » Photoperiodism

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MCQ▾

Question

On touching’ the leaves of Mimosa pudica droop down because of

Choices

Choice (4) Response

a.

Hydrotropism

b.

Seismonasty

c.

Thigmotoropism

d.

Chemonasty