Ananda Marga school class 3 geography river pond and lake exercise answer । আনন্দমার্গ স্কুল

ANANDA MARGA SCHOOL

[CLASS-3] GEOGRAPHY

Chapter – VII

RIVER, POND, LAKE

EXERCISE – VII (ANSWER)

1. Answer the following questions :-

a) What is a river?

A river is a large flow of water, formed when small streams, originating from mountains, join together and become wider.

b) What are tributaries and distributaries? Give example.

Tributaries:

These are smaller rivers or streams that join a main river. For example, the Yamuna is a tributary of the river Ganga.

Distributaries:

These are smaller streams that branch out or come out from the main river. For example, the Padma and the Bhagirathi are distributaries of the Ganga.

c) What are the three stages of a river?

The three stages of a river are the upper course, the middle course, and the lower course.

D) How do rivers help us?

Rivers provide a source of water for various uses, including drinking, irrigation, and transportation. They also support diverse ecosystems and can be used for generating hydroelectric power.

d) Name some important lakes of the world.

Some important lakes of the world include Lake Superior, Lake Victoria, the Caspian Sea (a large lake), Lake Baikal, and the Great Salt Lake.

e) Which is the largest delta of the world?

The largest delta in the world is the Ganges Delta (also known as the Ganges-Brahmaputra Delta or the Bengal Delta).

f) How can we use a pond?

Ponds can be used for various purposes, including irrigation, aquaculture (fish farming), watering livestock, recreational activities like fishing and boating, and as habitats for wildlife.

2. Fill in the blanks.

a) The Yamuna is the tributary of the river Ganga.

b) Ganga Brahmaputra Delta of India and Bangladesh is the largest delta in the world.

c) Dal lake is located Kashmir.

D) Padma and Bhagirathi are the distributaries of the Ganga.

e) Tributaries merge with a lake or a large river or seas.

3. Write ‘True’ or ‘False’.

a) Waterfall is found in the hill stage of a river. True

b) Delta is found in the middle stage of a river. False

c) Lakes are naturally created. True

d) Ponds are generally dug by men. True

4. Here’s the matching for the given items:

i. Baikal

matches with e) Lake.

ii. Yamuna

matches with a) Tributary.

iii. Dams and barrages

match with b) Built on river.

iv. Delta

matches with c) Triangular shape

v. Dal lake

matches with d) Kashmir.

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