NEET Biology: Questions 3063 - 3068 of 3390

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Question number: 3063

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

MCQ▾

Question

Lichens can be used as: -

Choices

Choice (4) Response

a.

Source of wood.

b.

To check the air pollution.

c.

Bio-indicator for air pollution

d.

Initial vegetation for waste lands.

Question number: 3064

» Reproduction » Sexual Reproduction in Flowering Plants » Flower Structure

Appeared in Year: 2016

MCQ▾

Question

The term ‘polyadelphous’ is related to

Choices

Choice (4) Response

a.

Androecium

b.

Gynoecium

c.

Calyx

d.

Corolla

Question number: 3065

» Genetics and Evolution » Heredity and Variation » Chromosomes and Genes

Appeared in Year: 2016

MCQ▾

Question

The equivalent of a structural gene is

Choices

Choice (4) Response

a.

Cistron

b.

Muton

c.

Recon

d.

Operon

Question number: 3066

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

Appeared in Year: 2016

MCQ▾

Question

In majority of angiosperms

Choices

Choice (4) Response

a.

There are numerous antipodal cells

b.

Reduction division occurs in the megaspore mother cells

c.

A small central cell is present in the embryo sac

d.

Egg has a filiform apparatus

Question number: 3067

» Biology and Human Welfare » Health and Disease » HIV and AIDS

Appeared in Year: 2016

MCQ▾

Question

Which of the following is correct regarding AIDS causative HIV?

Choices

Choice (4) Response

a.

HIV is enveloped virus that contains two identical molecules of single-stranded RNA and two molecules of reverse transcriptase.

b.

HIV is enveloped virus containing one molecule of single-stranded RNA and one molecule of reverse transcriptase.

c.

HIV does not escape but attacks the acquired immune response.

d.

Both c. and a. are correct

Question number: 3068

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

Appeared in Year: 2016

MCQ▾

Question

Conifers are adapted to tolerate extreme environmental conditions because of

Choices

Choice (4) Response

a.

Thick cuticle

b.

Superficial stomata

c.

Presence of vessels

d.

Broad hardy leaves

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