Worksheet Solutions: Life in the Tropical and Sub-tropical Regions | Footprints Class 7: Book Solutions, Notes & Worksheets PDF Download

Multiple Choice Questions (MCQs)

Q1: What forms the western boundary of the Amazon Basin?
(a) The Brazilian Highlands
(b) The Andes Mountains
(c) The Atlantic Ocean
(d) The Guiana Highlands
Ans: (b) The Andes Mountains
The Andes Mountains form the western boundary of the Amazon Basin, separating it from the Pacific Ocean's coast and influencing the basin's climate and ecosystem.

Q2: Which river is known as the world's largest by water volume?
(a) The Nile
(b) The Ganges
(c) The Amazon
(d) The Mississippi
Ans: (c) The Amazon
The Amazon River is recognized as the largest river in the world by volume of water discharge, contributing significantly to the basin's extensive biodiversity.

Q3: The climate in the Amazon basin is characterized by:
(a) Dry and hot temperatures year-round
(b) Cold and wet conditions
(c) Hot and wet conditions throughout the year
(d) Variable temperatures with little rainfall
Ans: (c) Hot and wet conditions throughout the year
The Amazon Basin, located in the equatorial region, experiences hot and wet conditions throughout the year, with abundant rainfall and high temperatures.

Q4: Which activity is NOT mentioned as a commercial activity in the Amazon Basin?
(a) Mining
(b) Rubber tapping
(c) Steel manufacturing
(d) Agriculture
Ans: (c) Steel manufacturing
Steel manufacturing is not listed among the primary commercial activities within the Amazon Basin. The main activities include rubber tapping, mining, and agriculture.

Q5: What is the major cause of biodiversity loss in the Amazon Basin?
(a) Overfishing
(b) Rapid deforestation
(c) Urbanization
(d) Oil drilling
Ans: (b) Rapid deforestation
Rapid deforestation is identified as a major cause of biodiversity loss in the Amazon Basin, affecting various species and leading to environmental concerns.

Fill in the Blanks

Q1: The Amazon Basin extends between the Brazilian Highlands in the south and the ________ in the north.
Ans: Guiana Highlands
The Guiana Highlands are located to the north of the Amazon Basin, forming one of its natural boundaries.

Q2: The Amazon River, also known as _______, flows east into the Atlantic Ocean.
Ans: Solimoes
The Amazon River, known as Solimoes in some regions, is a major river that flows across the Amazon Basin into the Atlantic Ocean.

Q3: Annual rainfall in the Amazon Basin exceeds ______ cm.
Ans: 250
The Amazon Basin experiences very high annual rainfall, exceeding 250 cm, contributing to its dense tropical rainforest ecosystem.

Q4: ________ trees in the Amazon Basin are used for construction and furniture making.
Ans: Broadleaved hardwood
Broadleaved hardwood trees, such as mahogany, rubber, ebony, and rosewood, are valuable for construction and furniture making in the Amazon Basin.

Q5: Tribal people in the Amazon practice ________, raising crops like manioc and cassava.
Ans: shifting cultivation
Shifting cultivation is a traditional agricultural practice among tribal people in the Amazon, involving the temporary clearing of forests to grow crops.

Match the Columns (Table)

Match the following terms to their correct descriptions:

Ans: A-4, B-3, C-1, D-2
The Amazon Basin is the area covering about 7 million sq km, its climate is characterized by hot and wet conditions, the Amazon River is the largest by volume, and shifting cultivation is a practice among tribal people.

True/False

Q1: The Amazon Basin is the world's second-largest river basin.
Ans: False
The Amazon Basin is the largest river basin in the world, covering an area of about 7 million sq km.

Q2: Rainfall in the Amazon Basin is sporadic and unpredictable.
Ans: False
Rainfall in the Amazon Basin is abundant and occurs almost daily, particularly in the afternoon, due to its equatorial climate.

Q3: The Amazon Basin's natural vegetation is primarily composed of deciduous forests.
Ans: False
The primary natural vegetation of the Amazon Basin is dense, evergreen tropical rainforests known as the selva, not deciduous forests.

Q4: Rubber tapping is a significant commercial activity in the Amazon Basin.
Ans: True
Rubber tapping is indeed a significant commercial activity in the Amazon Basin, reflecting the region's economic use of its natural resources.

Q5: The Amazon River is shorter than the Nile River.
Ans: True
The Amazon River is the world's second-longest river, after the Nile, measuring about 6,400 km in length.