Topic outline

    • Human Environment Interactions - The Tropical and the Subtropical Region

      Q1. Fill in the blanks.

                              i.        Toucans are a type of birds.

                             ii.        Manioc is the staple food of Amazon.

                            iii.        Kolkata is located on the river Hooghly.

                            iv.        Deodars and firs are a type of Coniferous trees.

                             v.        Bengal tiger is found in delta area.

                            vi.        Amazon Basin lies between 10°N and 10°S.


      Q2. True/False

                             i.        The plains have a dense network of roads. True

                            ii.        The river Amazon flows through equatorial region. True

                           iii.        Silk is produced through the cultivation of tape worms. False

                           iv.        Piranha is a kind fish found in the river. True

                            v.        Amazon Basin is characterized by hot and wet climate. True

      Q3. Name the continent in which the Amazon Basin is located.

      Ans. The Amazon Basin is in South America.


      Q4. Name the river on which Taj Mahal is located?

      Ans. It is located on the banks of the River Yamuna.


      Q5. Where is the one-horned rhinoceros found?

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


      Q6. What does population density mean?

      Ans. It means the number of persons that live in one sq. km. of area.


      Q7. Where are Kaziranga and Manas wild life sanctuaries situated?

      Ans. Kaziranga and Manas wild life sanctuaries are situated in Assam.


      Q8. Which is the largest river basin in the world?

      Ans. The Amazon basin is the largest river basin in the world.

      Q9. What do the people of Amazon rainforest grow?

      Ans. They mainly grow tapioca, pineapple and sweet potato.


      Q10. What are the cash crops grown by people of Amazon Basin?

      Ans. The cash crops grown by people of Amazon Basin are coffee, maize and cocoa.


      Q11. What is called “Maloca”?

      Ans. Large apartment-like houses called “Maloca” with a steeply slanting roof.


      Q12. What is called the river’s mouth?

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


      Q13. Who was the first person to discover the Amazon River?

      Ans. Francisco de Orellana was a Spanish explorer who discovered the Amazon River.


      Q14. Name the countries of the basin through which the equator passes.

      Ans. The countries of the basin through which the equator passes are Brazil, Ecuador and Columbia.

      Q15. Where Ganga and Brahmaputra basin lies?

      Ans. The basin lies in the sub-tropical region that is situated between 10°N to 30°N latitudes.


      Q16. What is the Ganga Brahmaputra basin?

      Ans. The tributaries of rivers Ganga and Brahmaputra together form the Ganga-Brahmaputra basin in the Indian subcontinent.


      Q17. Why and how terraces are built?

      Ans. Terraces are built on steep slopes to create flat surfaces on which crops are grown. The slope is removed so that water does not run off rapidly.


      Q18. What are the other names of Brahmaputra?

      Ans. Tibet - Yarlung Tsangpo, Arunachal Pradesh – Dihang, Assam – Brahmaputra, Bangladesh – Jamuna.


      Q19. What is the population density of Uttarakhand, West Bengal and Bihar?

      Ans.  The population density of Uttarakhand is 189 while the density of West Bengal is 1029 and that of Bihar is 1102.