(i) What is a habitat?
(a) A natural home for living things.
(b) A human-made structure.
(c) A place for picnics.
(d) A type of soil.
Ans: (a)
A habitat is the natural home of living things, providing them with food, water, and the right environment.
(ii) Which of the following is not a biotic component of a habitat?
(a) Trees
(b) Birds
(c) Soil
(d) Grasses
Ans: (c)
Biotic components include living things like trees, birds, and grasses, while soil is an abiotic component.
(iii) In a tropical rainforest, what forms a thick canopy blocking sunlight from reaching the forest floor?
(a) Large animals
(b) Trees with broad leaves
(c) Rain clouds
(d) Desert plants
Ans: (b)
Trees in a tropical rainforest have broad leaves and overlapping branches, creating a thick canopy that blocks sunlight.
(iv) Which animal can live without food and water for several days and has adaptations for a desert habitat?
(a) Polar bear
(b) Camel
(c) Kangaroo rat
(d) Elephant
Ans: (c)
Kangaroo rats can live without drinking water and obtain water from the food they eat, making them adapted to desert life.
(v) In which habitat are pine trees and juniper trees found?
(a) Sandy desert
(b) Tropical rainforest
(c) Grassland
(d) Mountain regions
Ans: (d)
Pine trees and juniper trees are found in mountain regions, particularly at different altitudes.
(i) A habitat is the ____________ of a living thing.
Ans: natural home
(ii) In a desert, desert plants have small leaves to prevent water loss through ____________.
Ans: transpiration
(iii) Mangrove swamps protect coastal regions from natural disasters like ____________ and ____________.
Ans: cyclones; tsunamis
(iv) Animals in the mountainous regions have thick fur to keep warm and more ____________ to obtain oxygen from thin air at high altitudes.
Ans: red blood cells
(v) Aquatic plants have air sacs in their stems and leaves, helping them to ____________.
Ans: stay afloat
Match the habitats (Column A) with their characteristics (Column B).
Ans:
(i) Desert plants have large leaves to collect more sunlight.
Ans: False
Desert plants have small leaves to prevent water loss through transpiration.
(ii) Camels can store food in their humps.
Ans: False
Camels store fat in their humps, not food.
(iii) In a tropical rainforest, the forest floor receives ample sunlight.
Ans: False
In a tropical rainforest, the dense canopy blocks most of the sunlight from reaching the forest floor.
(iv) Mangrove swamps reduce the force of ocean waves and can protect coastal regions during cyclones and tsunamis.
Ans: True
Mangrove swamps serve as a natural barrier and help protect coastal regions from natural disasters.
(v) Animals in high mountain regions have less red blood cells to adapt to low oxygen levels.
Ans: False
Animals in high mountain regions often have more red blood cells to obtain enough oxygen from thin air.
22 videos|80 docs|16 tests
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1. What are living organisms? |
2. How do living organisms interact with their surroundings? |
3. What is the importance of the surroundings for living organisms? |
4. How do living organisms adapt to their surroundings? |
5. What are some examples of living organisms and their surroundings? |
22 videos|80 docs|16 tests
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Explore Courses for Class 6 exam
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