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NCERT Solutions Chapter 8 :Human Environment Interactions, Class 7th, SST PDF Download

Human Environment Interactions - The Tropical and the Subtropical Region

Exercises

1. Answer the following questions.

(i) Name the continent in which the Amazon Basin is located.

Answer Amazon Basin is located in South America.

(ii) What are the crops grown by the people of the Amazon Basin.

Answer The people of the Amazon Basin mainly grow crops like tapioca, pineapple and sweet potato. They also grow manioc also known as cassava, cocoa and coffee.

(iii) Name the birds that you are likely to find in the rainforests of the Amazon.

Answer Toucans, humming birds and bird of paradise are the birds that likely to find in the rainforests of the Amazo.

(iv) What are the major cities located on the River Ganga.

Answer Allahabad, Kanpur, Lucknow, Varanasi, Patna and Kolkata are the major cities located on the River Ganga.

(v) Where is the one-horned rhinoceros found?

Answer The one-horned rhinoceros is found in the Brahmaputra plain.

2. Tick the correct answer. (i) Toucans are a type of (a) birds (b) animals (c) crops

✓ (a) birds

(ii) Manioc is the staple food of (a) Ganga Basin (b) Africa (c) Amazon

✓ (c) Amazon

(iii) Kolkata is located on the river (a) Orange (b) Hooghly (c) Bhagirathi

✓ (b) Hooghly

(iv) Deodars and firs are a type of (a) Coniferous trees (b) Deciduous trees (c) shrubs

✓ (a) Coniferous trees

(v) Bengal tiger is found in (a) mountains (b) delta area (c) Amazon

✓ (b) delta area

3. Match the following.

NCERT Solutions Chapter 8 :Human Environment Interactions, Class 7th, SST

Answer

NCERT Solutions Chapter 8 :Human Environment Interactions, Class 7th, SST

4. Give reasons.

(i) The rainforests are depleting.

(ii) Paddy is grown in the Ganga-Brahmaputra plains.

Answer (i) The rainforests are depleting due to following reasons:

→ The indigenous population was pushed out for the developmental activities which is leading to the the destruction of the rainforests.

→ Large scale deforestation for construction of roads, industries and houses.

→ For getting wood from forests in order to increase economical profit.

(ii) Paddy is grown in the Ganga-Brahmaputra plains the availability of sufficient amount of water in this area.

Paddy requires fertile alluvial soil and much water to grow which is easily available in this plain. The rainfall and temperature also support the growth of paddy.

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FAQs on NCERT Solutions Chapter 8 :Human Environment Interactions, Class 7th, SST

1. What is Human Environment Interaction?
Ans. Human Environment Interaction refers to the relationship between human beings and the environment. It involves the way humans use and modify the environment, and how the environment affects human life and activities.
2. How do humans modify the environment?
Ans. Humans modify the environment in many ways. They build houses, roads, bridges, and other infrastructure. They clear forests, mine minerals, and extract natural resources. They also engage in agriculture and livestock farming, which involves clearing land, irrigation, and use of fertilizers and pesticides.
3. What are the negative impacts of human activities on the environment?
Ans. Human activities have many negative impacts on the environment. These include air pollution, water pollution, soil degradation, deforestation, loss of biodiversity, climate change, and depletion of natural resources. These impacts can lead to environmental degradation, which affects human health and well-being.
4. How can we reduce the negative impacts of human activities on the environment?
Ans. We can reduce the negative impacts of human activities on the environment by adopting sustainable practices. This involves using resources in a way that meets our needs without compromising the ability of future generations to meet their needs. We can reduce our carbon footprint by using renewable energy sources and reducing energy consumption. We can also reduce waste generation and promote recycling and reuse.
5. How can we promote sustainable development?
Ans. We can promote sustainable development by adopting policies and practices that balance economic growth, social development, and environmental protection. This involves promoting renewable energy, sustainable agriculture, and eco-friendly technologies. We can also promote education and awareness about environmental issues and encourage individuals and communities to adopt sustainable practices.
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