National Science Olympiad Forum By SOF Olympiad Trainer - Page 543

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 1

Ans 1: (Master Answer)

Class : Class 1
Sure we will check. Please drop a mail on info@sofolympiadtrainer.com

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 7

Read the following statements carefully and select the option which correctly identifies the true (T) and false (F) statements.

(i) Synthetic fibres are the fibres that are made from chemicals.
(ii) Angora wool is obtained from Angora rabbit.
(iii) The wool obtained from Patanwadi breed of goat is used for hosiery.
(iv) Silk is the weakest of all natural fibres.

(i) (ii) (iii) (iv)
A T T F F
B F F T T
C T T T F
D F T T T


Angora wool is obtained from angora goats not rabbits.

Ans 1:

Class : Class 7
option c is not correct because its fibers are made of protein which hardens on exposure to air and could be as hard as a strand of steel

Ans 2:

Class : Class 8
C is correct as Patanjali is hosiery only.

Ans 3:

Class : Class 8
The answer is C only. Patanwadi wool is used to make hosiery wool only. This answer has pissed me of too much. This is request please change this foolish answer.

Ans 4:

Class : Class 4
why is option c not correct?

Ans 5:

Class : Class 7
The patanwadi breed of goat has been mentioned. The patanwadi breed of sheep is used for hosiery.

Ans 6:

Class : Class 9
option c is not correct because the wool of the Patanwadi breed of sheep is used for hosiery and not the wool of the Patanwadi breed of goat as mentioned in statement (iii)

Ans 7:

Class : Class 9
Answer should be c as patanwadi is used for hosiery

Ans 8:

Class : Class 9
OPTION C

Ans 9:

Class : Class 8
Option C is incorrect, the reason being that Patanwadi is a breed of sheep, not a goat!

Ans 10:

Class : Class 8
Option C is correct because Patanwadi breed of goat's wool is used for hosiery and silk is the strongest of all natural fibres [has tensile strength of about 0.5 gigapascals] also quantitatively spider silk is 5 times stonger than steel !

Ans 11:

Class : Class 10
C

Ans 12:

Class : Class 7
Actually C should be correct cause the sheep and goat shouldn't matter as in the nso guide its given patanwadi breed of goat is used for hosiery.PLEASE CHECK QUES NO:17 chapter fibre to fabric NSO workbook

Ans 13:

Class : Class 8
Actually the answer is correct. It is mentioned Patanwadi goat not sheep. Please read the question carefully before writting here. Does anyone even know patanwadi goat??!!

Ans 14:

Class : Class 8
C is the answer they have mentioned it but they are showing it wrong

Ans 15:

Class : Class 9
It's Patanwadi breed of sheep, not goat !!

Ans 16:

Class : Class 8

Ans 17:

Class : Class 9
Answer for this question is C only!

Ans 18:

Class : Class 9
how can silk be the strongest of all natural fibres?

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Subject :NSO    Class : Class 2

Ans 1: (Master Answer)

Class : Class 1
Answer is Swimming. Helmet is available in the grid and is a safety tool in Cycling, Cricket and Skating.

Ans 2:

Class : Class 1
The correct answer is swimming because the safety tool used in swimming is not located on the grid above.

Ans 3:

Class : Class 4

Ans 4:

Class : Class 4
the correct answer is c because skating cycling and cricket

Ans 5: (Master Answer)

Class : Class 1
Answer is Swimming. Helmet is available in the grid and is a safety tool in Cycling, Cricket and Skating.

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Subject :NSO    Class : Class 2

Ans 1: (Master Answer)

Class : Class 1
Woollen fibres entrap air to keep us warm and burn with the smell of burning hair because they are made from hair of animals like sheep, etc.

Ans 2:

Class : Class 4
D = woollend

Ans 3:

Class : Class 4
D

Ans 4:

Class : Class 5
D

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