CLASS 6 - DAV PUBLIC SCHOOL - SCIENCE CHAPTER 7 - THE WORLD OF LIVING - SOMETHING TO KNOW

CLASS 6 - DAV PUBLIC SCHOOL - SCIENCE CHAPTER 7 - THE WORLD OF LIVING - SOMETHING TO KNOW

THE WORLD OF LIVING 

Something To Know

A. Fill in the blanks.

1. Plants, animals and human beings are collectively known as ………………………….

2. Amoeba is a ……………………………. organism.

3. The process, used by plants to synthesise their own food, is known as …………………………..

4. All living organisms respond to various kinds of ……………………….

5. ……………………. are very small plants.

 

B. Write True or False for the following statements.

1. Amoeba is a plant.

2. Living organisms exhibit many variations due to their habitats and habits.

3. Many non-living things can be moulded in different forms or shapes.

4. All living things die.

5. Lotus is an example of a hydrophyte.

6. Invertebrates do not possess a backbone.

 

C. Tick (✓) the correct option.

1. Which of these statements is true for plants?

non-green plants are autotrophic.

green plants are autotrophic.

all plants are heterotrophic.

all non-green plants are saprophytes.

 

2. Which of the following plants belongs to the category of shrubs?

mango

neem

rose

tulsi

 

3. Which one among these is not a flowering plant?

grasses

rose

algae

mango

 

4. Biennial plants are those plants which live for ……………..

many years

two years

three years

one year

 

5. All living organisms have ………………….

bones

cells

feathers

stems

 

6. Which of these is an invertebrate?

snail

cobra

sparrow

frog

D. Answer the following questions in brief.

1. Name any three important characteristics of living beings.

2. State the difference between autotrophs and heterotrophs.

3. Give two examples each of annual, biennial and perennial plants.

4. Give two examples each of animals which reproduce

(i) by laying eggs and

(ii) by giving birth to young ones.

5. Give two examples each of vertebrates and invertebrates.

6. Write the names of any four useful products obtained from plants.

 

E. Answer the following questions.

1. ‘All living things respond to external stimuli.’ Justify this statement with examples.

2. A cloud is considered as non-living even though it can move and can grow bigger. Explain why?

3. Write two points of differences between (i) herbs and shrubs and (ii) shrubs and trees.

4. State the differences between biennial and perennial plants.

5. Name two types of terrestrial plants. How do they differ on the basis of their habitat and water requirements?

6. How are vertebrates different from invertebrates?

7. Write any four uses of animals in our daily life.