8. Life in the Tropical and Subtropical Region

8. Life in the Tropical and Subtropical Region

Solution Class 7th Social Science (Cambridge Publication)

A. Fill in the blanks:

1. The introduction of modern agriculture in the Ganga Brahmaputra Basin has led to__________________.
2. A primitive method of cultivation in tropical forest is called ________________________.
3. _____________  is an important food crop grown in the Ganga-Brahmaputra basin.
4. _________________ is a valuable mineral mined in the Amazon basin.
5. ___________________ agriculture is practiced in Ganga-Brahmaputra basin.

Answer:

1. soil degredation.
2. slash and burn agriculture
3. Rice
4. Gold
5. Intensive agriculture 

B. Choose the correct option:

1. This is an important cash crop of Ganga-Brahmaputra Basin.

a. Coffee        b. Sugarcane            c.  Cocoa

 2. This is a food crop grown in the Amaxon basin.

a. Tapioca        b. Wheat                  c. maize

3. This is a tributary of Ganga.

a. Kosi           b. Ravi                c. Chambal

4. This is the mineral found in the Amazon basin

a. Minerala oil             b. Iron Ore          c. Silver

5. This is the primitive meethod of cultivation practised in the Amazon Rainforest

a. slash and burn agriculture             b. Terrace Farming               c. Hoe and plough.

Answer: 

1. b. Sugarcane
2. a. tapioca
3. a. kosi
4. b. Iron Ore
5. a. Slash and burn