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CBSE Questions for Class 7 Geography Human Environment Interactions The Tropical And The Subtropical Region Quiz 1 - MCQExams.com
CBSE
Class 7 Geography
Human Environment Interactions The Tropical And The Subtropical Region
Quiz 1
Majuli, the largest inhabited riverine island is found on the _______ river.
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Ganga
0%
Brahmaputra
0%
Satluj
0%
Yamuna
Quinine which is prepared from the bark of the Cinchona tree can act as a remedy for which disease?
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0%
Diarrhea
0%
Typhoid
0%
Malaria
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Hepatitis b
Explanation
Medicinal plants have been used in the treatment and prevention of
malaria
in various parts of the world.
Quinine
extracted from the
bark
of the
cinchona
tree is used as an
antimalarial
agent.
What is the staple food of the people of Amazon basin?
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Rice
0%
Wheat
0%
Cassava
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Sorghum
Explanation
Cassava is the staple food of the people of Amazon basin. It is actually a starchy root plant. They cook it in different ways like boiled or fried and also make flour from this after drying it.
Which river has the largest river basin in the world?
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Nile
0%
Amazon
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Brahmaputra
0%
Mississippi
The Amazon river basin lies between the ________________.
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Guiana highlands and the Pantagonian plateau
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Brazilian highlands and Pantagonian platea
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Guiana highlands and the Brazilian highlands
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Guiana highlands and Andes mountains
Explanation
The Amazon River basin
stretches from the Brazilian Highlands in the south to the Guiana Highlands in the north.
Its area is
around 2.7 million square miles, and it covers almost half of South America, including a total of eight countries: Colombia, Bolivia, Guiana, Ecuador, Peru, Brazil, Venezuela, and Suriname.
The livelihood of the people of the Amazon basin depends on which of the following activities?
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Agriculture
0%
Fishing
0%
Hunting and Gathering
0%
All of the above
Explanation
In the Amazon basin, People grow most of their food in small areas after clearing some trees in the forest. While men hunt and fish along the rivers, women take care of the crops. They practice “slash and burn agriculture”.
By which name the Amazonian rain-forest are also known?
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Taiga
0%
Savanna
0%
Mangroves
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Selva
Explanation
Amazon rainforest is located in South America on the bank of the river Amazon. It covers an area of 5,500,000 sq km. Broadleaf evergreen trees are found in this forest. This rainforest is also known as Selva.
What type of climate prevails in the Amazon basin?
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Equatorial climate
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Tropical climate
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Temperate climate
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Tundra climate
Explanation
The
Amazon Rainforest
is an Equatorial
rainforest
and is located very close to the Equator. As a result of being an Equatori
al rainforest
, the
Amazon basin's
weather and
climate
are very hot, humid and damp. There are no seasons like Summer, Autumn, Winter and Spring, it is just one humid season with lots of rain.
Which is the biggest tree of the Amazonian rain forest?
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Bromeliads
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Attalea maripa
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Kapok tree
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Theobroma cacao
Explanation
The kapok tree is the biggest tree in the Amazon rain forest. They grow up to 200 feet in height and some trees grow 13 feet per year. The wood of this tree is lightweight and used in many ways. The seeds of the tree contain oil in it and are mainly used for making soaps.
What is the average annual temperature in the Amazon basin?
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$$15^0C-25^0C$$
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$$20^0C-25^0C$$
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$$25^0C-30^0C$$
0%
$$35^0C-55^0C$$
Explanation
The Amazon Basin stretches directly on the equator and is characterized by a hot and wet climate throughout the year. Both day and nights are almost
equally hot and humid. The skin feels sticky. It rains almost every day, that too without much warning. The day temperatures are high with very high humidity. At night the temperature goes down but the humidity remains high. The average annual temperature in the Amazon basin is 25 degrees Celcius to 30 degrees Celcius.
In what type of houses the people stay in the Amazon river basin?
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RCC
0%
Tree house
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Boat house
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Thatched wooden house
Explanation
In the Amazon basin, 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.
What is the main occupation of the people of the Ganga-Brahmaputra basin?
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Fishing
0%
Agriculture
0%
Industrial
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Handloom
Explanation
The main occupation of the people of the Ganga-Brahmaputra basin is agriculture. This is because the rivers make the soil of the basin very fertile and also the climatic condition of that region is also favorable.
Which is the main crop of Ganga- Brahmaputra region?
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Barley
0%
Wheat
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Paddy
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Tobacco
Explanation
The main crop of the Ganga-Brahmaputra region is paddy. Because of the monsoon type of climate of the region, as well as fertile and rich alluvium soil, it is the best for the growth of the rice.
Bengal tiger are found in ________.
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Mountain regions
0%
Deserts
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Mangrove forests
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Coniferous forests
Explanation
Bengal tiger is found in mangrove forests. The Sundarban delta is densely covered by mangrove forests and is one of the largest reserves for the Bengal tiger.
Kolkata is located on the river _______.
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Hoogly
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Mahanadi
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Brahmaputra
0%
Godavari
Explanation
Kolkata is the capital of the Indian state of West Bengal. Located on the east bank of the Hooghly River approximately 80 kilometers (50 mi) west of the border with Bangladesh, it is the principal commercial, cultural, and educational center of East India, while the Port of Kolkata is India's oldest operating port and its sole major riverine port.
The Kaziranga National Park is famous for which wildlife?
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Tiger
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Elephant
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One horned rhino
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Birds
Explanation
The Kaziranga National Park is famous for the One Horned Rhinoceros. It is situated in Assam. In the year 1985, the park was declared as a World Heritage Site by UNESCO.
Susu is a variety of ____ found in Ganga- Brahmaputra region.
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Tiger
0%
Dolphin
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Monkey
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Rhinocerous
Explanation
The Ganges river dolphin or susu is a variety of dolphins found in the Ganga-Brahmaputra region. They are considered to be endangered because of human activities.
Presence of Susu (also called blind dolphin) in Ganga- Brahmaputra river is an indication of _________.
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Wealth of river
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Health of river
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Water of river
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Presence of gold in the river
Explanation
The presence of Susu (also called blind dolphin) in the Ganga-Brahmaputra river is an indication of the health of the river. The Ganges river dolphins can only live in freshwater and are essentially blind. The untreated industrial and urban wastes with a high amount of harmful chemicals are killing the species.
Which of the following cash crops are grown in the Amazon river basin?
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Coffee
0%
Maize
0%
Cocoa
0%
All of the above
Explanation
People in Amazon basin 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.
Which river flows behind the Taj Mahal?
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Ganga
0%
Yamuna
0%
Saraswati
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Brahmaputra
Explanation
The Taj Mahal is an ivory-white marble mausoleum on the south bank of the Yamuna river in the Indian city of Agra. It was commissioned in 1632 by the Mughal emperor Shah Jahan (reigned from 1628 to 1658) to house the tomb of his favorite wife, Mumtaz Mahal; it also houses the tomb of Shah Jahan himself.
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