Worksheet Solutions: Life in the Tropical and the Subtropical Regions | Window on the Word Class 7: Solutions, Notes & Worksheets PDF Download

Q1: Multiple Choice Questions (MCQs)

(i) What is the main river that drains the Amazon basin?
(a) Nile
(b) Amazon
(c) Ganges
(d) Mississippi
Ans: (b)
The Amazon River is the main river that drains the Amazon basin.

(ii) In which region is the Amazon basin located?
(a) Temperate
(b) Tropical
(c) Arctic
(d) Subtropical
Ans: (b)
The Amazon basin is located in the tropical region.

(iii) What is the term for the dense Amazon rainforest that limits sunlight?
(a) Taiga
(b) Desert
(c) Selva
(d) Savanna
Ans: (c)
The dense Amazon rainforest is also known as "selva."

(iv) Which of the following animals is found in the Amazon rainforest?
(a) Polar bear
(b) Kangaroo
(c) Jaguar
(d) Panda
Ans: (c)
Jaguars are one of the animals found in the Amazon rainforest.

(v) Why is the Ganga-Brahmaputra Plain one of the most densely populated regions in the world?
(a) Harsh climate
(b) Barren soil
(c) Fertile soil, good transportation, pleasant climate, and job opportunities
(d) High elevation
Ans: (c)
The Ganga-Brahmaputra Plain is densely populated due to these factors.

Q2: Fill in the Blanks

(i) The Amazon basin is located in the __________ region.
Ans: tropical

(ii) The dense Amazon rainforest is also known as __________.
Ans: selva

(iii) In the Ganga-Brahmaputra basin, the largest mangrove forest in the world is the __________.
Ans: Sundarbans

(iv) The primary crop grown in the Ganga-Brahmaputra basin is __________.
Ans: paddy (rice)

(v) Sea-level rise due to global warming threatens the __________ delta in the Ganga-Brahmaputra basin.
Ans: Sundarbans

Q3: Match the Column (In a Table)

Match the terms in Column A with their corresponding descriptions in Column B.

Ans: 

Q4: True or False

(i) The Ganga-Brahmaputra Plain is one of the most densely populated regions in the world.
Ans: True
This statement is true; the plain is densely populated.

(ii) The Trans-Amazonian highway reduced carbon dioxide absorption and contributed to global warming.
Ans: True
The highway led to deforestation, reducing the region's carbon sink effect.

(iii) The primary crop in the Ganga-Brahmaputra basin is cocoa.
Ans: False
The primary crop is paddy or rice.

(iv) The Sundarbans delta is not susceptible to sea-level rise.
Ans: False
The Sundarbans delta is vulnerable to sea-level rise due to global warming.

(v) Slash and burn agriculture involves clearing land by planting trees.
Ans: False
Slash and burn agriculture involves clearing land by burning trees.