Class 7 Geography Question Answers - Human Environment Interactions - The Tropical and Subtropical Region

Q1. The Amazon basin is the largest river basin in the world. (T/F)

Ans: True

The Amazon basin is indeed the largest river basin in the world. Numerous tributaries join the Amazon River to form the Amazon basin.

The river basin drains portions of Brazil, parts of

• Peru
• Colombia
• Venezuela
• Ecuador
• Bolivia
• Guyana
• Suriname

This basin is crucial for biodiversity and plays a significant role in the global ecosystem.

Q2. The place where a river flows into another body of water is called the …………….

Ans: The place where a river flows into another body of water is called the river's mouth.

Q3. Which among the following discovered the Amazon River?

a. Portuguese

b. English

c. Dutch

d. Spanish

Ans: The Amazon River was discovered by the Spanish.

Q4. The Amazon basin lies between………………………………latitude.

Ans: The Amazon basin lies between 10°N and 10°S latitude.

Q5. Name the countries of the Amazon basin through which the equator passes.

Ans: The countries of the Amazon basin through which the equator passes are:

• Ecuador
• Colombia
• Brazil

Q6. Where is one –horned rhinoceros found?

Ans: The one-horned rhinoceros is primarily found in the Brahmaputra Plain, which spans parts of northeastern India. Key locations include:

• Kaziranga National Park
• Manas National Park
• Other protected areas in Assam

This species thrives in grasslands and riverine forests, making these habitats essential for its survival.

Q7. The famous Taj Mahal lies on the banks of river……………… in Agra.

Ans: The famous Taj Mahal lies on the banks of the Yamuna River in Agra.

Q8. Name the region in which the river Amazon flows through.

Ans: The river Amazon flows through the Equatorial region, encompassing parts of South America

Countries such as Brazil, Peru, Colombia, Venezuela, Ecuador, Bolivia, Guyana, Suriname, and French Guiana. This region is known for its rich biodiversity and dense rainforests.

Q9. Kaziranga and Manas wildlife sanctuaries are in which of the following states-

a. Bengal

b. Assam

c. Orissa

d. Tripura

Ans: Kaziranga and Manas wildlife sanctuaries are located in the state of Assam.

Q10. Susu is the local name of which of the following aquatic animals-

a. Whale

b. Tortoise

c. Fish

d. Dolphin

Ans: Susu is the local name for the following aquatic animal is Blind Dolphin.

Q11. Tapioca, Pineapple, and Sweet potato are grown in the area of the Amazon basin. T/F

Ans: False

The statement is incorrect. While the Amazon basin is known for its rich biodiversity, not all crops are widely grown in this region. Specifically:

• Tapioca is a common crop in some areas of Brazil but not universally throughout the Amazon.
• Pineapple is primarily cultivated in different regions, such as the northeast of Brazil.
• Sweet potato is also not a major crop in the Amazon basin; it is more prevalent in other parts of South America.

Thus, the cultivation of these specific crops in the Amazon basin is not accurate.

Q12. Which among the following is a cash crop-?

a. Wheat

b. Maize

c. Rice

d. Sugar cane

Ans: Sugar cane is a cash crop, meaning it is grown primarily for sale rather than for personal consumption. Cash crops are typically cultivated for profit and can include various plants, but sugar cane is one of the most significant.

Q13. Sloth is the type of –

a. Animal

b. Bird

c. Fish

d. Crops

Ans: Sloth is a type of:

• Animal
• Known for its slow movement
• Primarily found in trees
• Herbivorous diet, mainly consisting of leaves

Sloths are native to Central and South America and are famous for their relaxed lifestyle.

Q14. Piranha is the type of-

a. Bird

b. Fish

c. Crops

d. Animal

Ans:

Piranha is a type of:

• Fish is known for its sharp teeth.
• Found mainly in the waters of South America.
• Typically lives in rivers, lakes, and floodplains.
• Often associated with a fierce reputation.

Q15. The Amazon basin is characterized by a hot and wet climate throughout the year. (T/F)

Ans: True

The Amazon basin experiences a hot and wet climate year-round. Key characteristics include:

• High temperatures, typically above 25°C.
• Consistent rainfall, averaging 2000 to 3000 mm annually.
• Humidity levels often exceed 80%.

This climate supports a rich diversity of flora and fauna in the region.

Q16. Name the tributaries of the river Ganga.

Ans: The tributaries of the Ganga river include:

• Ghaghra
• Son
• Chambal
• Gandak
• Kosi

Q17. The summer is hot and winter is cold in the Ganga Brahmaputra basin. (T/F)

Ans: True

Q18. Bromeliads are special plants that store water in their leaves. (T/F)

Ans: True

Bromeliads are indeed special plants that have a unique ability to store water in their leaves. This characteristic allows them to thrive in environments where water is limited.

• They are often found in tropical regions.
• Bromeliads can collect rainwater in the rosettes formed by their leaves.
• This adaptation helps them survive dry periods.