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

______ is a non-biodegradable material. - Science

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

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 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.


Wool fibre cannot be obtained from which of the following?


Wool yielding animals bear ______ on their body.


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

In India, camels and goats are generally reared for obtaining wool.


A wholesale woollen fibre dealer gets the woollen fibre of different textures sorted for various purposes. Match the items in Column I with the woollen fibre in Column II.

Column I Column II
(a) Pashmina shawl (i) Camel wool
(b) Woollen carpet (ii) Angora wool
(c) Baby blanket (iii) Kashmir goat
(d)  Woollen sweater (iv)  Sheep wool

On burning wool, why we get the small of burning of hair?


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


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×