NCERT Solutions for Class 6 Science Chapter 9 The Living Organisms Characteristics And Habitats

Q.1 what is habitat?

Answer :

The surrounding where plants and animals live, survive and reproduce is called their habitat.

Q.2 How are cactus adapted to survive in a desert?

Answer :

Adaptation of cactus in desert:
(i) The Leaf is modified to spine to reduce transpiration.
(ii) Photosynthesis is carried by the stems.
(iii) The stem is covered by thick waxy layer that helps to retain water.
(iv) Cactus have roots that go very deep into the soil for absorbing water.

Q.3 Fill in 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) The presence of specific features, which enable a plant or an animal to live in a particular habitat, is called adaptation.
(b) The habitats of the plants and animals that live on land are called terrestrial habitat.
(c) The habitats of plants and animals that live in water are called aquatic habitat.
(d) Soil, water and air are the abiotic factors of a habitat.
(e) Changes in our surroundings that make us respond to them, are called stimuli.

Q.4 Which of the things in the following list are nonliving?
Plough, Mushroom, Sewing machine, Radio, Boat, Water hyacinth, Earthworm

Answer :

Plough, sewing machine, Radio and Boat are nonliving things

Q.5 Give an example of a non-living thing, which shows any two characteristics of living things.

Answer :

Example : Train
Feature: it need fuel like food
It can move like living beings

Q.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, Cocking oil, Apple Rubber.

Q.7 List the common characteristics of the living things.

Answer :

Common characteristic of living things.
(i) Growth
(ii) Need food
(iii) Respiration
(iv) Response to stimuli
(v) Excretion
(vi) Reproduction
(vii) Movement

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.)

Answer :

There are few trees for animals to hide. Tiger eats deer. To survive, the deer has to run faster than tiger. Thus speed is important for survival in grassland for animals.