RBSE Solutions for Class 6 Science Chapter 9 The Living Organisms and their Surroundings

Rajasthan Board RBSE Solutions for Class 6 Science Chapter 9 The Living Organisms and their Surroundings Textbook Exercise Questions and Answers.

RBSE Class 6 Science Solutions Chapter 9 The Living Organisms and their Surroundings

RBSE Class 6 Science The Living Organisms and their Surroundings Textbook Questions and Answers

Question 1. 
What is a habitat?
Answer:
The surroundings where organisms live and fulfil their basic needs is called a habitat. Organisms depend, on their habitat for food, shelter, air, water and other needs. For example - Lion lives in the den, cactus grows in the desert.

Question 2. 
How are cactus adapted to survive in a desert?
Answer:
The features adapted by cactus plants to live in desert are:

1. They have very small leaves in the form of a spine that lose very little water through transpiration.
2. The stems are coated with waxy layer, which helps it to hold water and carry out photosynthesis.
3. Their roots go very deep into the soil to absorb water.    

Question 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     ......................... 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 
(d) abiotic 
(e) stimuli.

Question 4. 
Which of the things in the following list are non - living?
Plough, Mushroom, Sewing machine, Radio, Boat, Water hyacinth, Earth - worm
Answer:
Plough, Radio, Boat and Sewing machine are non - living.

Question 5. 
Give an example of a non¬living thing which shows any two characteristics of living things.
Answer:
Bus is an example of a non - living thing which shows characteristics of living things. A bus moves from one place to another. It requires energy like fuel for its movement.

Question 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 and rubber are some of the non - living things that were once a part of living things.

Question 7. 
List the common characteristics of living things.
Answer:
Some common characteristics of living things include:

• Requirement for food
• Growth
• Reproduction
• Respond to the surrounding changes
• Movement
• Respiration
• Excretion

Question 8. 
Explain, why speed is important for survival of animals living in grassland habitat?
(Hint : There are few trees or places for animals to hide in grasslands habitats.) 
Answer:
Grassland habitats have few trees or places for animals to hide themselves from their enemies. When they are attacked by their enemies, they should run fast to cover long distances and safe themselves to a proper place. They will lose their life if they are slow runner. Thus, speed is a very important factor for animals to survive in grassland habitats.