Science - Class 6 (C ...

Q1. State True/False

i.             Raincoat is not made from fibre. ________

ii.            Synthetic fibres are biodegradable. _________

iii.          Nylon is a synthetic fibre. ________

iv.          The threads or yarns are made from thin fluffy strands called fibres.__________.

v.           Synthetic fibres are obtained from animals. __________

vi.          Synthetic fibres are costlier than natural fibres. ________

vii.        Angora wool is obtained from a species of rabbit. ________

viii.       Polyester is a natural fibre. _________

ix.          Fabrics can be made from yarns by weaving or knitting. ________

x.           Cotton clothes are less comfortable than polyester clothes. _______

xi.          Wool and silk are animal fibres. __________

xii.        All fabrics are obtained from plants. _________

 

Q2. Fill in the blanks.

i.             The process of removing ___________from the cotton fibre is called ginning.

ii.            The jute fibres are less __________as compared to rayon fibres.

iii.          The cotton plant bears large leaves and bears white or yellow________.

iv.          We should wear ________fabrics while burning crackers.

v.           Natural fibres do not damage the ecosystem as they are_____________________.

vi.          A _________is made of thousands of criss - crossing threads forming a network.

vii.        _______is warm to wear during winters and cool in summer.

viii.       Silkworms are fed on ______________leaves.

ix.          ____________is an expensive fabric.

x.           Yarn is made from_________.

xi.          ____________is the twisting together of drawn out strands of fibers to form yarn.

xii.        Plant fibres are obtained from ____________and___________.

 

Q3. From which part of the plant jute fibre is obtained?

 

Q4. What is fabric?

 

Q5. Write few items that are made from coconut fibre.

 

Q6. What is oil lamps wick made of?

 

Q7. What are the fruits of cotton plants called?

 

Q8. How is spinning done on large scale?

 

Q9. From which part of the plant cotton fibre is obtained?

 

Q10. Give some name of fabrics from your surroundings.

 

Q11. From where do we get silk?

 

Q12. Where jute is grown in India?

 

Q13. Which state is the largest producer of jute in India?

 

Q14. Write the names of unstitched cloth worn by people in India?

 

Q15. What is sericulture?

 

Q16. Which synthetic fibre is known as artificial silk?

 

Q17. Which type of wool we get from a species of goat found in Kashmir?

 

Q18. Which type of climate is needed for the cultivation of cotton plants?

 

Q19. Write any four fibres that are used to make clothes.

 

Q20. Name two materials that are not fibres but are used to make clothes.