NCERT Class 7 Geography Chapter 8 - Human Environment Interaction The Tropical and Subtropical Region

Chapter 8 - Human Environment Interaction The Tropical and Subtropical Regions

Question and Answers
Question 1: Write a short note on the climate of the Amazon Basin.
Answer: The Amazon Basin stretches directly on the equator and is characterized by hot and wet climate throughout the year. Both day and nights are almost equally hot and humid. The skin feels sticky. The day temperatures are high with very high humidity. At night the temperature goes down but the humidity remains high.

Question 2: What do you know about the location of Ganga - Brahmaputra Basin? Mention the climate of this basin.
Answer: The Ganga - Brahmaputra basin is located in the subtropical regions that is situated between 10°N to 30°N. The tributaries of river Ganga and Brahmaputra together form this basin. This area is dominated by monsoon climate. The monsoon brings rain from mid June to mid September. The summers are hot and winters are cool.

Question 3: What is the main activity of the people of the Ganga - Brahmaputra basin? Give an account of it.
Answer: The main activity of the people of the Ganga-Brahmaputra basin is agriculture. Paddy is the main crop here. Other crops grown here are wheat, maize, sorghum gram, and millets. Cash crops like sugarcane and jute are also grown. Banana plantations are seen in some areas in the plain. In the West Bengal and Assam tea is grown in plantations. Silk is produced through the cultivation of silkworms in parts of Bihar and Assam.

Question 4: How is tourism an important activity in the Ganga - Brahmaputra basin?
Answer: The Ganga-Brahmaputra plain has several big towns and cities, such as Allahabad, Kanpur, Varanasi, Lucknow, Patna and Kolkata. All these places are important from the tourism point of view. Taj Mahal on the bank of river Yamuna is in Agra which is a famous tourist place. Allahabad is situated on the confluence of the river Ganga and Yamuna. Buddhist stupas in Uttar Pradesh and Bihar, Lucknow with its Imambara, Assam with Kaziranga and Manas wildlife sanctuaries.

Question 5: How can you say that the life of the people of the Amazon basin is changing?
Answer: The life of the people of the Amazon basin is slowly changing because
*In the older days the heart of the forest, could be reached only by navigating the river. In 1970 the Trans Amazon highway made all parts of the rainforest accessible.
*Aircrafts and helicopters are also used for reaching various places.
*The indigenous population was pushed out from the area and forced to settle in new areas where they continued to practice their distinctive way of farming.

Question 6: Give reasons
a) The rainforests are depleting.
Answer: Due to developmental activities, the forests are being destroyed. This is the reason for depletion of rainforests.

b) Paddy is grown in the Ganga - Brahmaputra plains.
Answer: Paddy is grown in the Ganga - Brahmaputra plains because rice requires sufficient amount of water to grow.