21. Amazon river flows through which of the following countries?
[A] USA
[B] France
[C] Brazil
[D] Canada
Show Answer
Correct Answer: C [Brazil]
Notes:
Amazon river flows through the tropical forests of South America, mainly in Brazil. The Brazilians call the Amazon the “River Sea”. Its headwaters are in the Andes Mountains in Peru, on the western edge of South America. It is the largest river in the world by the amount or volume of water it carries.
22. Amazon river flows through which continent?
[A] South America
[B] Africa
[C] North America
[D] Asia
Show Answer
Correct Answer: A [South America]
Notes:
The Amazon River in South America is the largest river by discharge volume of water in the world.
23. Consider the following statements:
- Tropical region is rich in diversity as compared to temperate region.
- Temperate region is rich in diversity as compared to polar areas.
- The tropical Amazonian rain forest has the greatest biodiversity on earth.
Which of the above is / are correct?
[A] Only 1 and 2
[B] Only 2 and 3
[C] Only 1 and 3
[D] All of the above
Show Answer
Correct Answer: D [All of the above ]
Notes:
India, with much of its land area in the tropical latitudes, has more than 1,200 species of birds. A forest in a tropical region like Equador has up to 10 times as many species of vascular plants as a forest of equal area in a temperate region like the Midwest of the USA. The largely tropical Amazonian rain forest in South America has the greatest biodiversity on earth- it is home to more than 40,000 species of plants, 3,000 of fishes, 1,300 of birds, 427 of mammals, 427 of amphibians, 378 of reptiles and of more than 1,25,000 invertebrates.
24. Consider the following :
- Amazon Basin
- Tropical Africa
- Northern Canada
- Northern Eurasia
- Northern Chile
In which of the above mentioned regions of the world gathering is practiced?
[A] Only 1, 2, 3, and 5
[B] Only 1, 2, 3, and 4
[C] Only 2, 3, 4, and 5
[D] Only 3, 4, and 5
Show Answer
Correct Answer: B [Only 1, 2, 3, and 4]
Notes:Gathering is practised in regions with harsh climatic conditions. It often involves primitive societies, that extract, both plants and animals to satisfy their needs for food, shelter and clothing. Gathering is practised in
- (i) high latitude zones which include northern Canada, northern Eurasia and southern Chile
- (ii) Low latitude zones such as the Amazon Basin, tropical Africa, Northern fringe of Australia and the interior parts of Southeast Asia.
25. Consider the following statements:
- The shifting cultivation and nomadic herding are practised in commercial agriculture.
- Shifting cultivation is practised in forested areas of Amazon Basin, tropical Africa and Northeast India.
Which of the above mentioned statements is/ are correct?
[A] Only 1
[B] Only 2
[C] Both 1 and 2
[D] None of the above
Show Answer
Correct Answer: B [Only 2]
Notes:
Primitive subsistence agriculture includes shifting cultivation and nomadic herding. Shifting cultivation is practised in the thickly forested areas of Amazon Basin, tropical Africa, parts of Southeast Asia and Northeast India.
26. Consider the following statements about people of Amazon Basin:
- They practice slash and burn agriculture.
- The staple food is manioc, also known as cassava.
Which of the above is / are correct?
[A] Only 1
[B] Only 2
[C] Both 1 and 2
[D] None of the above
Show Answer
Correct Answer: C [Both 1 and 2]
Notes:
They practice “slash and burn agriculture”. The staple food is manioc, also known as cassava that grows under the ground like the potato. They also eat queen ants and egg sacs. Cash crops like coffee, maize and cocoa are also grown.
27. Consider the following statements:
- The river Amazon flows through temperate region.
- It flows from the mountains to the west and reaches the Atlantic Ocean to the east.
- It drains portions of Brazil, parts of Peru, Bolivia, Ecuador, Columbia and a small part of Venezuela.
Which of the above is / are correct?
[A] Only 1 and 2
[B] Only 2 and 3
[C] Only 1 and 3
[D] None of the above
Show Answer
Correct Answer: B [Only 2 and 3]
Notes:
The river Amazon flows through equatorial region. It flows from the mountains to the west and reaches the Atlantic Ocean to the east. Numerous tributaries join the Amazon River to form the Amazon Basin. The river basin drains portions of Brazil, parts of Peru, Bolivia, Ecuador, Columbia and a small part of Venezuela.
28. Consider the following :
- Toucans
- Sloth and ant-eating tapirs
- Anaconda
- Boa constrictor
- Piranha fish
Which of the above unique features are found in rainforest of Amazon Basin?
[A] Only 1, 2, and 3
[B] Only 1, 2, 3, and 5
[C] Only 3, 4, and 5
[D] All of the above
Show Answer
Correct Answer: D [All of the above ]
Notes:
The rainforest is rich in fauna. Birds such as toucans, humming birds; animals like monkeys, sloth and ant-eating tapirs are found here. Various species of reptiles and snakes also thrive in these jungles. Crocodiles, snakes, pythons abound. Anaconda and boa constrictor are some of the species. Several species of fishes including the flesh eating Piranha fish is also found in the river.
29. The term ‘Maloca’ in Amazon Basin signifies a type of:
[A] Fruit
[B] Rice
[C] House
[D] Boat
Show Answer
Correct Answer: C [House]
Notes:
The rainforests provide a lot of wood for the houses. Some families live in thatched houses shaped like beehives. There are other large apartment-like houses called “Maloca” with a steeply slanting roof.
30. Who won the Amazon Smbhav Entrepreneurship Challenge 2022’s first prize?
[A] Gautam Adani
[B] Ratan Tata
[C] Rajni Chaudhary
[D] Subhash Ola
Show Answer
Correct Answer: D [Subhash Ola]
Notes:
An innovator from Rajasthan who has developed the technology of saving energy in boilers by recycling steam, Subhash Ola has won the 1st prize for the Amazon Smbhav Entrepreneurship Challenge 2022 and his enterprise “Geniusenergy Critical Innovation Private Limited” has won the Start-up of the Year award.
