Which is a threat to environment?

1

(a)

Growing plant

(b)

Growing population

(c)

Growing crops

Which one of these made communication easier and speedy across the world?

1

(a)

Glorious revolution

(b)

Green revolution

(c)

French revolution

(d)

Information revolution

Which of the following is human-made component of environment?

1

(a)

Water

(b)

Land

(c)

Building

(d)

Air

Which of the following are the components modified by humans from natural environment?

1

(a)

Cars, mills, factories, gardens

(b)

Lands, roads, rivers

(c)

Containers, forests, monuments

(d)

Animal carts, wheels, tongs, abiotic elements

The term 'environment' is derived from which of the following language?

1

(a)

Greek

(b)

German

(c)

French

(d)

English

Environment is our............support System

1

(a)

basic life

..........is the hard top layer of the Earth.

1

(a)

Lithosphere

Trading of goods through exchange of goods is called............

1

(a)

barter system

Lithosphere is a source of ..............

1

(a)

mineral wealth

...............revolution enabled large scale production.

1

(a)

Industrial

Lithosphere refers to the thin layer of air that surrounds the Earth.

1

(a) True

(b) False

The changes in the atmosphere do not bring any changes in the weather and climate

1

(a) True

(b) False

Jaisalmer is a place where heavy rainfall occurs every year

1

(a) True

(b) False

There could not be an ecosystem of a small pond or lake

1

(a) True

(b) False

A perfect balance is necessary between the natural and human environment.

1

(a) False

(b) True

How does our atmosphere protects us?

1

(a)

Atmosphere protects us from the harmful rays and scorching heat of the Sun.

Name the organisms that we can find in the deserts.

1

(a)

Camels, snakes, lizards, insects, cactus and sands are seen in the deserts

What do you understand by barter system?

1

(a)

Barter system is a trade in which goods are exchanged without the use of money.

Differentiate between biotic and abiotic environment with examples.

1

(a)

The world of living organisms is called biotic. e.g. plants and animals. Whereas abiotic is the world of non-living elements. e.g. land

How is environment important for us?

1

(a)

The environment is important for us because it provides basic necessities of life. e.g. air, water food and land

Give an account on atmosphere

3

(a)

Look at your surroundings. Make a list of uses that the land in your neighbourhood is being put to.

3

(a)

Observe the sky, while coming to school. Make a note whether the day is cloudy, rainy, sunny, foggy, etc.

3

(a)

Talk to some elderly person in your neighbourhood and collect information about:

3

(a)

Imagine an ideal environment where you would love to live. Draw the picture of your ideal environment.

3

(a)

Write an account of various domains of the environment.

5

(a)

Why did human transform barter system into trade and commerce system?

5

(a)