NEET (National Eligibility cum Medical Entrance Test) Biology: Questions 1031 - 1037 of 3473

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Question number: 1031

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

MCQ▾

Question

A free living nitrogen-fixing cyanobacterium which can also from symbiotic association with the water fern Azolla is

Choices

Choice (4) Response

a.

Tolypothrix

b.

Chlorella

c.

Nostoc

d.

Anabaena

Question number: 1032

» Diversity in Living World » Five Kingdom Classification » Protista

MCQ▾

Question

………. . is not true for Euglena

Choices

Choice (4) Response

a.

Presence of protoplasmic capsule.

b.

Presence of chl. – a and b.

c.

Presence of cellulose cell wall.

d.

Presence of proteinaceous pellicle.

Question number: 1033

» Cell Structure and Function » Cell and Cell Theory

MCQ▾

Question

The cell theory states that

Choices

Choice (4) Response

a.

All cells are totipotent.

b.

Cells reproduce by mitosis.

c.

All cells have nuclei.

d.

Cells are the basic structural units of living cell.

Question number: 1034

» Diversity in Living World » Five Kingdom Classification » Protista

MCQ▾

Question

Which of the following classes of protozoa is exclusively endoparasitic?

Choices

Choice (4) Response

a.

Sporozoa

b.

Sarcodina

c.

Mastigophora

d.

Opalinata

Question number: 1035

» Plant Physiology » Photosynthesis » Photorespiration C3 and C4 Pathways

MCQ▾

Question

Which one of the following is C4 plant?

Choices

Choice (4) Response

a.

Spirogyra

b.

Funaria

c.

Pinus

d.

Sorghum

Question number: 1036

» Genetics and Evolution » Heredity and Variation » Mendelian Inheritance

MCQ▾

Question

Grain colour in wheat is determined by three pairs of polygenes. Following the cross AABBCC (dark colour) x aabbcc (light colour), in F2 generation what proportion of the progeny likely to resemble either parent?

Choices

Choice (4) Response

a.

None

b.

Less than 5 per cent

c.

Half

d.

One third

Question number: 1037

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

MCQ▾

Question

Eutrophication leads to death of fish due to

Choices

Choice (4) Response

a.

Decreased O2 content.

b.

Increased algae content.

c.

Decreased algae content.

d.

Increased O2 content

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