22 Mar 2022

11th Geography Unit 7 Biosphere Book Back

Samacheer Kalvi 11th Geography – Unit 7: Biosphere Book Back Answers

Samacheer Kalvi 11th Standard New Geography Book Back 1 Mark and 2 Mark Questions with Answers PDF uploaded and available below. Tamil Nadu Class 11 Geography New Syllabus – Biosphere Book Back Solutions 2022 available for English medium students. TN Samacheer Kalvi 11th Std Geography Book Portion consists of 8 units for English Medium. Check Unit-wise and Full Class 11th Geography Book Back Answers/ Guide 2022 PDF format available below for free Download. Samacheer Kalvi 11th Geography Unit 7 Biosphere Book Back English Medium solutions PDF below:

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11th Samacheer Books Geography Book Back Answers PDF in English:

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11th Geography – Unit 7: Biosphere Book Back Answers

I. Choose the Correct Answer:

1. Who first proposed the term ‘Ecosystem’?
a. E.O. Wilson        b. I.G. Simmon
c. A.G. Tansley   d. Raymond F Dasmann

2. What is the main source of energy for the earth?
a. Moon  b. Stars
c. Sun   d. Tides

3. What is the position of a rabbit in a food chain?
a. Primary consumer  b. secondary consumer
c. tertiary consumer          d. Quaternary consumer

4. Which organism eats both plants and animals?
a. Herbivores     b. Carnivores
c. Omnivores d. Detritivores

5. Which of the following is found in the desert biome?
a. Eucalyptus  b. Pine
c. Teak             d. Cacti

6. Which of the following are native tribes inhabiting the tropical evergreen forests of Africa?
a. Yanomani  b. Pygmies
c. Tikuna        d. Aborigines

7. The largest number of plant species are found in the biome.
a. Savannah                           b. Desert
c. Tropical rain forest  d. taiga

8. The Temperate grasslands of North America.
a. Prairies  b. Steppes
c. Pampas     d. Downs

9. The Taiga biome extends over the latitudes ________.
a. 0° to20° North and South b. 30° to 50° N
c. 50° to 65° N      d. beyond 65° N

10. Which of the following is not covered by the Nilgiri Biosphere?
a. Bandipur National Park            b. Nagarhole National Park
c. NamdaphaNational park  d. Mukurthi National park

Other Important Links for 11th Samacheer Kalvi Book Back:

For Chapter 8 Natural Disasters Book Back Click Here – Chapter 8 Natural Disasters – Public Awareness For Disaster Risk Reduction Book Back Answers

Click Here for Complete 11th Samacheer kalvi book back Answers – Samacheer Kalvi 11th Geography Book Back Answers

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