English
Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 7

______ is a non-biodegradable material.

Advertisements
Advertisements

Question

______ is a non-biodegradable material.

Options

  • Paper

  • A plastic bottle

  • Cotton cloth

  • Wool

MCQ
Fill in the Blanks
Advertisements

Solution

A plastic bottle is a non-biodegradable material.

shaalaa.com
Animal Fibres: Wool
  Is there an error in this question or solution?
Chapter 3: Polymer Chemistry - Evaluation [Page 62]

APPEARS IN

Samacheer Kalvi Science - Term 3 [English] Class 7 TN Board
Chapter 3 Polymer Chemistry
Evaluation | Q I. 6. | Page 62

RELATED QUESTIONS

You must be familiar with the given nursery rhymes

Baa baa black sheep, have you any wool.

Answer the following:

Which parts of the black sheep have wool?


You must be familiar with the following nursery rhymes:

Mary had a little lamb, whose fleece was white as snow

Answer the following:

What is meant by the white fleece of the lamb?


Which of the following does not yield wool?


What is meant by term Rearing?


What is meant by term Sericulture?


Given below is a sequence of steps in the processing of wool. Which are the missing steps? Add them

Shearing, __________, sorting, __________, __________, __________


Given below is a crossword puzzle based on this lesson. Use hints to fill in the blank spaces with letters that complete the words.

Down

(D) 1: Thorough washing

2 : Animal fibre

3 : Long thread like structure

Across

(A) 1 : Keeps warm

2 : Its leaves are eaten by silkworms

3 : Hatches from egg of moth


True or False – If False give the correct answer

Wool is the fibre derived from the silk worm.


True or False – If False give the correct answer

Ahimsa silk is otherwise known as Mulberry silk.


What are the two types of fibres that are obtained from animals?


What are the major steps involved in this wool factory.


Write the uses of the wool.


Assertion: Wool is the fibre derived from the fur of animals.

Reason: Animals like goat, Yak, Alpaca and rabbit yields wool.


Paheli wanted to buy a gift made of animal fibre obtained without killing the animal. Which of the following would be the right gift for her to buy?


State whether the following statement is True or False. If false, correct them.

In the process of obtaining wool from fleece, sorting is done after scouring.


How do the hair of certain animals help in keeping their bodies warm?


The scouting process during the processing of wool refers to ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×