MCQ Question for Class 11 Geography Chapter 15 Life on the Earth with Answer
Question 1.
The type of soil the desert biome has is
(a) Porous with thin layers of humus
(b) Rich in nutrients with little organic matter
(c) Acidic, poor in nutrients
(d) Fertile alluvial
Answer: (b) Rich in nutrients with little organic matter
Question 2.
When various plants and animal species have got adapted through evolution is called:
(a) Ecological adaptation
(b) Hydrological adaptation
(c) Homological adaptation
(d) None of the above
Answer: (a) Ecological adaptation
Question 3.
Mineral salts come directly from
(a) Earth crust
(b) Water cycle
(c) Atmosphere
(d) Forest biome
Answer: (a) Earth crust
Question 4.
The boundaries of different biomes on land are determined mainly by
(a) Climate
(b) Temperature
(c) Human activities
(d) Humidity
Answer: (a) Climate
Question 5.
Temperate Steppe is a subtype of which biome?
(a) Forest
(b) Desert
(c) Grassland
(d) Aquatic
Answer: (c) Grassland
Question 6.
Which includes all the living components of the earth.
(a) Hydrosphere
(b) Atmosphere
(c) Biosphere
(d) Lithosphere
Answer: (c) Biosphere
Question 7.
A freshwater ecosystem is
(a) Oceans
(b) Estuaries
(c) Coral reefs
(d) Marshes
Answer: (d) Marshes
Question 8.
Which is a plant and animal community that covers a large geographical area?
(a) Biosphere
(b) Biome
(c) Marshes
(d) Prairies
Answer: (b) Biome
Question 9.
Abiotic factors include
(a) Producers
(b) Consumers
(c) Decomposers
(d) Sunlight
Answer: (d) Sunlight
Question 10.
Which of the following organism have a parasitic mode of nutrition?
(a) Penicillium
(b) Plasmodium
(c) Paramecium
(d) Parrot
Answer: (b) Plasmodium
Question 11.
The earliest man on the earth is known as:
(a) Homoerectus
(b) Homosapien
(c) Homophobic
(d) None of the above
Answer: (b) Homosapien
Question 12.
Freshwater ecosystem includes
(a) Oceans
(b) Coastal estuaries
(c) Coral reefs
(d) Streams
Answer: (d) Streams
