Biology-Our Environment (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 1 - 6 of 7

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Question number: 1

» Biology » Our Environment

MCQ▾

Question

Which one among the following industries produces the most non-biodegradable wastes?

Choices

Choice (4) Response

a.

Textile Mills

b.

Paper Mills

c.

Thermal Power Plant

d.

Food Processing Unit

Question number: 2

» Biology » Our Environment

MCQ▾

Question

In the following, best methods of determining the age of tree is to

Choices

Choice (4) Response

a.

measure its height

b.

count the number of leaves

c.

measure its diameter

d.

count the number of annual rings in the main stem at the base

Question number: 3

» Biology » Our Environment

MCQ▾

Question

In particular, humans has been injecting enormous quantities of ozone destroying substance into atmosphere, especially a class of chemical known as

Choices

Choice (4) Response

a.

freons

b.

chlorofluoro carbons

c.

radionuclides

d.

aerosol spray

Question number: 4

» Biology » Our Environment

MCQ▾

Question

What is the name given to a species that can be used to tell something about the environment (e . g. , how much pollution there is in water)?

Choices

Choice (4) Response

a.

Indicator

b.

Bacteria

c.

Pigment

d.

Chemical

Question number: 5

» Biology » Our Environment

MCQ▾

Question

Photochemical smog occurs in

Choices

Choice (4) Response

a.

warm and humid climate

b.

cool dry and sunny climate

c.

cool and humid climate

d.

warm, dry and sunny climate

Question number: 6

» Biology » Our Environment

MCQ▾

Question

The life supporting gases such as O 2, CO 2 and N 2 are primarily concentrated in

Choices

Choice (4) Response

a.

homosphere

b.

exosphere

c.

troposphere

d.

stratosphere

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