Ecology and Environment [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Biology]: Questions 126 - 132 of 378

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Question 126

Question MCQ▾

The conversion of nitrate to nitrous oxide and nitrogen gas is termed as

Choices

Choice (4)Response

a.

Denitrification

b.

Nitrogen-fixation

c.

Nitrification

d.

None of the above

Edit

Question 127

Question MCQ▾

Which of the following does not cause pollution?

Choices

Choice (4)Response

a.

Automobile

b.

Thermal power project

c.

Hydroelectric project

d.

Nuclear energy project

Edit

Question 128

Question MCQ▾

Excessive inhalation of manganese causes

Choices

Choice (4)Response

a.

Anemia

b.

Pneumonia

c.

Gout

d.

Diphtheria

Edit

Question 129

Question MCQ▾

Cyanosis is caused by

Choices

Choice (4)Response

a.

Nitrate concentration

b.

Chlorine

c.

Chromium

d.

Carbon dioxide

Edit

Question 130

Question MCQ▾

Which of the following species is critically endangered?

Choices

Choice (4)Response

a.

Panthera leo persica

b.

Python molurus

c.

Siberian crane

d.

Chelonia mydas

Edit

Question 131

Question MCQ▾

Which one statement is correct regarding man made ecosystem?

Choices

Choice (4)Response

a.

All are correct

b.

They are highly efficient.

c.

They are vulnerable to drought, floods and diseases.

d.

They are poor in diversity.

Edit

Question 132

Question MCQ▾

Water pollution can be stopped best by

Choices

Choice (4)Response

a.

Spraying with DDT

b.

Cultivating useful water plants

c.

Treating effluents to remove injurious chemicals

d.

Rearing more fishes

Edit