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NCERT Solutions for Class 6 Science Chapter 9 The Living Organisms and Their Surroundings
NCERT Solutions for Class 6 Science Chapter 9 The Living Organisms Characteristics and Habitats is provided here to clear the doubts of the students.
Topics covered in this Chapter are:
- ORGANISMS AND THE SURROUNDINGS WHERE THEY LIVE
- HABITAT AND ADAPTATION
- A JOURNEY THROUGH DIFFERENT HABITATS
- CHARACTERISTICS OF ORGANISMS
Q.1 What is a habitat?
Ans. Habitat:- It is a place where an organisms lives, thrives, breeds and flourish.
Q.2 How are cactus adapted to survive in a desert?
Ans. Adaptation of Cactus plant:-
- Leaves are either absent or very small.
- Leaves are in shape of spines to lesser the loss of water from leaves through transpiration.
- The stem of cactus plant is covered with thick and waxy layer which helps to retain water.
- The roots of cactus plant go deep into soil for absorbing water.
Q.3 Fill in the blanks:
(a) The presence of specific features which enables 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 _________________ habitats.
(c)The habitats of plants and animals that live in water are called ____________________ habitats.
(d) Soil, water and air are the____________ factors of a habitats.
(e) Changes in our surroundings that make us respond to them are called __________
Ans.
a) The presence of specific features, which enable a plant or an animal to live in a particular habitats, is called ADAPTATION.
b) The habitat of plant and animals that live on the land are called TERRESTRIAL habitat.
c) The habitat of plant and animals that live on the water are called AQUATIC habitat.
d) Soil, water and air are the ABIOTIC factors of a habitat.
e) Changes in our surrounding that make us respond to them are called STIMULI.
Q.4 Which of the things in the following list are non-living?
Ans.
Non-living things:- Plough, Sewing machine, Radio, Boat.
Also Read: 50 Fruits Name in Hindi and English | फलों के नाम हिंदी और अंग्रेजी मेंQ.5 Give an example of a non-living thing which shows any two characteristics of living thing.
Ans.
Wood piece. It occupies space like living organisms and it has mass.
Q.6 Which of the following non-living things were once part of a living thing?
"Butter, Leather, Soil, Wool, Electric Bulb, Cooking Oil, Salt, Apple, Rubber"
Ans.
Non-living which were a part of a living things:- Butter, Leather, Cooking oil, Wool, Apple, Rubber.
Q.7 List the common characteristics of living things.
Ans.
- They grow.
- They show movement.
- Food is necessary for the life process in living thing.
- They respond to external stimuli.
- They respire.
- Their body structure is cellular.
Q.8 Explain why speed is important for survival in the grasslands for animals that live there. (Hint: There are few trees or places for animals to hide in grasslands habitats)
Ans.
Importance of speed for animals: Since there are few trees and hiding places in grasslands. So in order to run away and save themselves from predators they need more speed for which nature has provided them with long and strong legs, long ears and eyes on the sides to help them look on all sides.
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