NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 1166 - 1172 of 3511

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Question number: 1166

» Biotechnology and Its Applications » Genetic Engineering

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MCQ▾

Question

Which one of the following is regarded as a natural genetic engineer?

Choices

Choice (4)Response

a.

Bacillus subtilis

b.

Neurospora crassa

c.

Agrobacterium tumefaciens

d.

Klebsiella frosteri

Question number: 1167

» Reproduction » Sexual Reproduction in Flowering Plants » Development of Seed and Formation of Fruit

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Question

Which one of the following is an example of cleistogamy?

Choices

Choice (4)Response

a.

Vallisneria

b.

Commelina

c.

Sunflower

d.

Calotropis

Question number: 1168

» Ecology and Environment » Environmental Issues » Air Pollution and Its Control

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MCQ▾

Question

Which one of the following is the main air pollutant?

Choices

Choice (4)Response

a.

Sulphur

b.

N2

c.

CO2

d.

CO

Question number: 1169

» Genetics and Evolution » Heredity and Variation » Sex Determination-In Humans, Birds, Honey Bee

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MCQ▾

Question

Sex determination in Drosophila melanogaster is based on

Choices

Choice (4)Response

a.

X-Y chromosome mechanism.

b.

Genetic balance between the X-chromosome and autosomes.

c.

Pseudoalleles.

d.

Chromosome – environment interaction.

Question number: 1170

» Diversity in Living World » What is Living? » Need for Classification

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MCQ▾

Question

Which of the following is less general in characters as compared to genus?

Choices

Choice (4)Response

a.

Species

b.

Family

c.

Class

d.

Division

Question number: 1171

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

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MCQ▾

Question

Biogas consists of

Choices

Choice (4)Response

a.

Carbon monoxide, ethane and hydrogen.

b.

Carbon dioxide, methane and hydrogen.

c.

Carbon monoxide, methane and hydrogen.

d.

Carbon dioxide, ethane and hydrogen.

Question number: 1172

» Plant Physiology » Plant Growth and Development » Seed Dormancy

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MCQ▾

Question

To remove seed dormancy by mechanical removing of seed coat is called

Choices

Choice (4)Response

a.

Vernalization

b.

Stratification

c.

Photoperiodism

d.

Scarification

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