NEET (National Eligibility cum Medical Entrance Test) Biology: Questions 1163 - 1170 of 3473

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Question number: 1163

» Reproduction » Reproductive Health » Contraception and Medical Termination of Pregnancy (MTP)

MCQ▾

Question

The most important component of the oral contraceptive pills is

Choices

Choice (4) Response

a.

Progesterone

b.

Luteinizing hormone

c.

Growth hormone

d.

Thyroxin

Question number: 1164

» Cell Structure and Function » Cell Organelles - Structure and Function » Cytoskeleton

MCQ▾

Question

The substance which makes up about 80 % of cytoplasm and has unique structure, is

Choices

Choice (4) Response

a.

fast

b.

roteins

c.

minerals

d.

water

Question number: 1165

» Ecology and Environment » Ecosystem » Ecological Succession

MCQ▾

Question

Primary succession is development of communities on

Choices

Choice (4) Response

a.

Cleared forest area.

b.

Freshly harvested crop field.

c.

Pond filled after a dry season.

d.

Newly exposed habitat.

Question number: 1166

» Biotechnology and Its Applications » Genetic Engineering

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.

Klebsiella frosteri

d.

Agrobacterium tumefaciens

Question number: 1167

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

MCQ▾

Question

Which one of the following is an example of cleistogamy?

Choices

Choice (4) Response

a.

Calotropis

b.

Sunflower

c.

Vallisneria

d.

Commelina

Question number: 1168

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

MCQ▾

Question

Which one of the following is the main air pollutant?

Choices

Choice (4) Response

a.

N2

b.

Sulphur

c.

CO

d.

CO2

Question number: 1169

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

MCQ▾

Question

Sex determination in Drosophila melanogaster is based on

Choices

Choice (4) Response

a.

Pseudoalleles.

b.

X-Y chromosome mechanism.

c.

Genetic balance between the X-chromosome and autosomes.

d.

Chromosome – environment interaction.

Question number: 1170

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

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Species

b.

Family

c.

Division

d.

Class

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