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

Assertion: Wool is the fibre derived from the fur of animals. Reason: Animals like goat, Yak, Alpaca and rabbit yields wool. - Science

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प्रश्न

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

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

पर्याय

  • Both Assertion and reasoning is correct

  • Assertion is correct but reason in wrong

  • Assertion is wrong but reason is correct

  • Assertion and Reason are incorrect

MCQ

उत्तर

Both Assertion and reasoning is correct

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Animal Fibres: Wool
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 5: Animals in Daily Life - Evaluation [पृष्ठ ९१]

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सामाचीर कलवी Science - Term 3 [English] Class 7 TN Board
पाठ 5 Animals in Daily Life
Evaluation | Q X. 1. | पृष्ठ ९१

संबंधित प्रश्‍न

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, ______________________________


______ is a non-biodegradable material


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 is shearing?


What are the characteristics of wool? Give any three.


Write the uses of the 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 statements are True or False. If false, correct them.

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


State whether the following statements are True or False. If false, correct them.

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


Various steps involved to obtain wool from fleece are given here.

  1. Picking out the burrs
  2. Dyeing in various colours
  3. Shearing
  4. Scouring
  5. Sorting

Write the above steps in the correct sequence in which they are carried out.


Figure 3.1 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?


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