The continent of North America is linked to South America by

1

(a)

an isthmus

(b)

a strait

(c)

a canal

Which of the following continents lies completely in the Northern hemisphere?

1

(a)

Australia

(b)

Europe

(c)

South America

(d)

Africa

Which is the domain of the earth consisting of gaseous portion?

1

(a)

Biosphere

(b)

Lithosphere

(c)

Atmosphere

(d)

Hydrosphere

Which of the following is the smallest continent?

1

(a)

Australia

(b)

Europe

(c)

Antarctica

(d)

Africa

Where is 97 per cent of the earth's water found?

1

(a)

In seas

(b)

Under ground

(c)

In lakes

(d)

In oceans

The _____________ is a narrow contact zone of land, water and air that support life.

1

(a)

biosphere

The first Indian woman to climb the highest peak was __________ on __________.

1

(a)

Bachendri Pal, 23rd May,1984

The continent Asia lies in the ___________ and ____________ hemisphere.

1

(a)

Northern, Eastern

The ___________  is the world's longest mountain range.

1

(a)

Andes

Mount ___________ is the world's highest mountain peak.

1

(a)

All the land masses are connected with one another.

1

(a) True

(b) False

All the oceans are connected with one another.

1

(a) False

(b) True

The sea level remains the same everywhere.

1

(a) False

(b) True

The depth of the sea is more than the highest point on Earth.

1

(a) False

(b) True

The smaller part of the landmass lies in the Northern hemisphere.

1

(a) True

(b) False

Which continents are bound by oceans and seas by all sides?

1

(a)

Africa and Australia are bound by oceans and seas on all sides.

Which are the three oceans that surround North America?

1

(a)

The three oceans that surround North America are Arctic ocean, Atlantic ocean and Pacific ocean.

What is the role of oxygen in atmosphere?

1

(a)

Oxygen is important for existence of life because human beings and animals breathe oxygen for respiration.

What is the boundary of Arctic ocean?

1

(a)

The boundary of Arctic ocean is with Northern coasts of North America and Eurasia.

What change was brought about by recent Tsunami?

1

(a)

Some parts of Andaman and Nicobar islands were submerged in water due to recent Tsunami.

Why is the earth called the 'blue planet'?

3

(a)

Why is the biosphere important for living organisms?

3

(a)

Why there is no permanent settlement in Antarctica?

3

(a)

What is making water bodies unsuitable for use?

3

(a)

Sea level is taken as zero and why it is used to measure height? Explain with reason.

3

(a)

Count the squares given in the picture and answer the following:

(i) Name the largest continent.
(ii) Which is larger- Europe or Australia?

5

(a)

On the outline map of the world, mark the following?
Europe, Asia, Antarctica, South America, Australia, Indian Ocean, Pacific ocean, Atlantic ocean and Ural mountains.

10

(a)