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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
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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 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 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

Ahimsa silk is otherwise known as Mulberry silk.


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


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 fibre cannot be obtained from which of the following?


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?


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 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 process called ______ involves the removal of dried wool.


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