मराठी
तामिळनाडू बोर्ड ऑफ सेकेंडरी एज्युकेशनएस.एस.एल.सी. (इंग्रजी माध्यम) इयत्ता ७

______ is a non-biodegradable material.

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प्रश्न

______ is a non-biodegradable material.

पर्याय

  • Paper

  • A plastic bottle

  • Cotton cloth

  • Wool

MCQ
रिकाम्या जागा भरा
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उत्तर

A plastic bottle is a non-biodegradable material.

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Animal Fibres: Wool
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 3: Polymer Chemistry - Evaluation [पृष्ठ ६२]

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सामाचीर कलवी Science - Term 3 [English] Class 7 TN Board
पाठ 3 Polymer Chemistry
Evaluation | Q I. 6. | पृष्ठ ६२

संबंधित प्रश्‍न

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?


What is meant by term Rearing?


What is meant by term Shearing ?


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 is shearing?


What are the characteristics of wool? Give any three.


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?


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.


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


Figure shows three rings of circles with letters in them. Some of these letters in each ring can form the name of one wool yielding animal. Find the names of these animals.


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


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


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