CBSE Class 6 Science
Chapter 9: The Living Organisms and Their Surroundings
NCERT Solutions
1. What is a habitat?
Answer:
The surroundings where organisms live is called a habitat. The meaning of habitat is a dwelling place. Every organisms depend their habitat for their food, water, air, shelter and other needs. Several kinds of plants and animals may share the same habitat.
2. How are cactus adapted to survive in a desert?
Answer:
Cactus is a desert plant. It does not have leaves, hence there will not be lose of water through transpiration . Its stem is covered with a thick waxy layer, which helps to retain water . It has roots that go very deep into the soil for absorbing water.
3. Fill up the blanks
(a) The presence of specific features, which enable a plant or an animal to live in a particular habitat, is called ----------------------.
(b) The habitats of the plants and animals that live on land are called ------------------- habitat.
(c) The habitats of plants and animals that live in water are called ------------- habitat.
(d) Soil, water and air are the ------------- factors of a habitat.
(e) Changes in our surroundings that make us respond to them, are called ----------------- .
Answer:
(a) adaptation
(b) terrestrial
(c) aquatic
(b) terrestrial
(c) aquatic
(d) abiotic
(e) stimuli
(e) stimuli
4. Which of the things in the following list are nonliving?
Plough, Mushroom, Sewing machine, Radio, Boat, Water hyacinth, Earthworm
Answer:
The non living things are Plough, Sewing machine, Radio, Boat
5. Give an example of a non-living thing, which shows any two characteristics of living things.
Answer:
Cloud is a non living thing, but which shows the characteristics of a living thing like it shows movement, and it grows
6. Which of the non-living things listed below, were once part of a living thing?
Butter, Leather, Soil, Wool, Electric bulb, Cooking oil, Salt, Apple, Rubber
Answer:
Butter, Leather, Wool, Cooking oil, Apple, Rubber
7. List the common characteristics of the living things.
Answer:
The Characteristics of a living thing are
- Living things need food for their survival
- Living things grow
- Living things respire
- Living things excrete
- Living things reproduce
- Living things respond to stimuli
- Living things move
- Living things die
Answer:
Grasslands has very less trees and lot of open spaces. Hence they have run long distances to catch their prey as well as to find a proper hiding place to escape from the predators. Hence speed is very important for the animals who live in the grasslands.
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