NCERT Class 11 Geography Chapter 15 Life on The Earth Solutions to each chapter is provided in the list so that you can easily browse through different chapters NCERT Class 11 Geography Chapter 15 Life on The Earth and select need one. NCERT Class 11 Geography Chapter 15 Life on The Earth Question Answers Download PDF. NCERT Geography Class 11 Solutions.
NCERT Class 11 Geography Chapter 15 Life on The Earth
Also, you can read the NCERT book online in these sections Solutions by Expert Teachers as per Central Board of Secondary Education (CBSE) Book guidelines. CBSE Class 11 Geography Solutions are part of All Subject Solutions. Here we have given NCERT Class 11 Geography Part I: Fundamentals of Physical Geography, Part II: Indian: Physical Environment, Part III: Practical Work in Geography. NCERT Class 11 Geography Chapter 15 Life on The Earth Notes, NCERT Class 11 Geography Textbook Solutions for All Chapters, You can practice these here.
Life on The Earth
Chapter: 15
GEOGRAPY [ PART – I ]
TEXTUAL QUESTIONS ANSWERS
OBJECTIVE TYPE QUESTIONS
I. Fill in the blanks:
(i) A zone of mixing of fresh and salt water is called _____________.
Ans. Estuary.
(ii) Plants which are able to survive in dry regions are called _____________.
Ans. Xerophytes.
(iii) Plants which cannot tolerate excessive moisture are called _____________.
Ans. Hydrophytes.
(iv) Tiny animals or organisms living in the ocean water are called _____________.
Ans. Zooplankton.
(v) _____________ are the plants which occur in distinct groups of communities in areas having similar climatic condition
Ans. Bioms.
II. Multiple Choice Questions:
1. Plants which occur in distinct groups of communities in areas having similar climatic conditions constitute:
(a) Biomes.
(b) Trophics.
(c) Ecosystem.
(d) None.
Ans. (a) Biomes.
2. Forests having trees which retain their leaves’ cover throughout the year are called:
(a) Evergreen forests.
(b) Deciduous forests.
(c) Tropical dry forests.
(d) None.
Ans. (a) Evergreen forests.
3. Forests consisting the trees with evergreen needle-shaped leaves are called:
(a) Coniferous.
(b) Deciduous.
(c) Desert forests.
(d) None.
Ans. (a) Coniferous.
4. Forests having trees which shed their leaves during a part of the year are called:
(a) Deciduous.
(b) Coniferous.
(c) Desert forests.
(d) None.
Ans. (a) Deciduous.
5. A zone of mixing of fresh water and salty water is:
(a) Estuary.
(b) Delta.
(c) River.
(d) None.
Ans. (a) Estuary.
6. The organisms who produce their own food from the physical environment are called:
(a) Producers.
(b) Consumers.
(c) Decomposers.
(d) None.
Ans. (a) Producers.
7. The transfer of energy from one organism to another in the ecological system is called:
(a) Food chain.
(b) Food web.
(c) Transfer of energy.
(d) None.
Ans. (a) Food chain.
8. An organism that feeds only on plants is called:
(a) Herbivore.
(b) Carnivore.
(c) Omnivore.
(d) None.
Ans. (a) Herbivore.
9. A complicate network of food chains is called:
(a) Food web.
(b) Trophic level.
(c) Biomes.
(c) None.
Ans. (a) Food web.
10. The organism which depends on other organisms for their food is called:
(a) Consumer.
(b) Producer.
(c) Decomposer.
(d) None.
Ans. (a) Consumer.
11. Which one of the following is included in biosphere?
(a) only plants.
(b) all living and nonliving organisms.
(c) only animals.
(d) all living organisms.
Ans. (d) all living organisms.
12. Tropical grasslands are also known as:
(a) the prairies.
(b) the savannas.
(c) the steppes.
(d) none of the above.
Ans. (b) the savannas.
13. Oxygen combines with iron found in the rocks to form:
(a) iron carbonate.
(b) iron nitrites.
(c) iron oxides.
(d) iron sulphate.
Ans. (c) iron oxides.
14. During photosynthesis, carbon dioxide combines with water in the presence of sunlight to form:
(a) proteins.
(b) amino acids.
(c) carbohydrates.
(d) vitamins.
Ans. (c) carbohydrates.
III. Write F for false and T for true against each of the following statement:
(i) Eco-system is a system which comprises the physical environment and organisms which live therein.
Ans. True.
(ii) Producers do not produce their own food.
Ans. False.
(iii) Consumers depend on other organisms for their food.
Ans. True.
(iv) A Herbivore does not depend on plant.
Ans. False.
(v) A carnivore feeds on animals.
Ans. True.
