National Science Olympiad Forum By SOF Olympiad Trainer - Page 702

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8

Ans 2:

Class : Class 9

Ans 3:

Class : Class 8

Ans 4:

Class : Class 8

Ans 5:

Class : Class 8

Ans 6:

Class : Class 8

Ans 7:

Class : Class 10
A is correct

Ans 8:

Class : Class 8

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Class : Class 8

Ans 10:

Class : Class 8

Ans 11:

Class : Class 10

Ans 12:

Class : Class 8

Ans 13:

Class : Class 8
I rock,i am the smartest and i say that A is correct

Ans 14:

Class : Class 7

Ans 15:

Class : Class 9

Ans 16:

Class : Class 10
A

Ans 17:

Class : Class 9

Ans 18:

Class : Class 7

Ans 19:

Class : Class 6

Ans 20:

Class : Class 8

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6

Ans 2:

Class : Class 6
Verrrrrrry easyyyy.

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 2

Ans 2:

Class :
B....be coz both are plant derivatives....paper and cotton....

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7

Ans 2:

Class : Class 9

Ans 3:

Class : Class 8
very important question .the main fanda is to understand the question/words. the answer is option A

Ans 4:

Class : Class 10
a

Ans 5:

Class : Class 7
A

Ans 6:

Class : Class 2
Answer : A

Ans 7:

Class : Class 6
very confusing question. Answer is option a.

Ans 8:

Class : Class 7
A

Ans 9:

Class : Class 6
a

Ans 10:

Class : Class 8
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Ans 11:

Class : Class 9

Ans 12:

Class : Class 9
the correct answer is a

Ans 13:

Class : Class 10
A

Ans 14:

Class : Class 10
A

Ans 15:

Class : Class 9

Ans 16:

Class : Class 8

Ans 17:

Class : Class 8

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
ANS is (a)and(c)Flax is obtained from plant stemSilk is obtained by harming silkworm

Ans 2:

Class : Class 9
Answer should be C ......

Ans 3:

Class : Class 6
Answer should be (c). Flax is obtained from stem of flax stem and wool is obtained without harming the sheep

Ans 4:

Class : Class 3
Answer is option - (C)

Ans 5:

Class : Class 9
Answer is (c). Because flax is used to make linen which is obtained from flax stem. Wool is made from sheep's hair without harming it.

Ans 6:

Class : Class 7
answer should be [d] since Jute comes from the stem of the jute plant and wool is sheared from sheeps etc. without harming the animal.

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
I think that cotton is the cheapest natural material , not jute and so does a sof help desk employee

Ans 2:

Class : Class 8

Ans 3:

Class : Class 6
The answer is not b

Ans 4:

Class : Class 6
The correct answer is (D) as jute is the cheapest fibre . and stem of the flax plant provides fibres

Ans 5:

Class : Class 8

Ans 6:

Class : Class 7
Cotton is the cheapest right??

Ans 7:

Class : Class 9
Flax is obtained from stem and jute is the cheapest natural fibre . So , the answer is D

Ans 8:

Class : Class 8

Ans 9:

Class : Class 6

Ans 10:

Class : Class 3
The Answer is option D because Jute is known as the golden fibre and the process mentioned in the question is known as ginning

Ans 11:

Class : Class 7
cotton' is the cheapest natural fibre

Ans 12:

Class : Class 6

Ans 13:

Class : Class 8
I think Cotton is the cheapest fibre and someone from SOF help desk also says the same and the process of seperating cotton from cotton seeds is called Ginning only

Ans 14:

Class : Class 7
The answer is b right?

Ans 15:

Class : Class 6
Jute is the cheapest natural fibre,not cotton!

Ans 16:

Class : Class 9
Answer is d

Ans 17:

Class : Class 6
i did c because they are from seeds too but most are stems so d

Ans 18:

Class : Class 6
I think cotton is the cheapest, but the answer says jute is cheapest. So which is right C or D?

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7

Ans 2:

Class : Class 6
The correct answer is (A)

Ans 3:

Class : Class 9
correct answer is a

Ans 4:

Class : Class 7

Ans 5:

Class : Class 6
angora wool is obtain by angora rabbit and not angora sheep. Coir is the outer covering of coconut

Ans 6:

Class : Class 6
angora wool is obtain by angora rabbit and not angora sheep. Coir is obtained by the husk of a coconut

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8

Ans 2:

Class : Class 6

Ans 3:

Class : Class 10

Ans 4:

Class : Class 6

Ans 5:

Class : Class 7
The correct Ans is D because In the given flow chart, P is an animal fibre like wool or silk. Q could be jute, flax or hemp. R is sisal and S is cotton. Wool is used in winter clothing while cotton is used for summer clothing. Plant stem fibres like jute, flax, hemp are generally used for making bags, ropes, carpets, etc. Sisal which is a leaf fibre is also used for almost same purposes.

Ans 6:

Class : Class 9
there were multiple wrong answers

Ans 7:

Class : Class 6
cotton fibre is obtained from the fruit of the cotton plant

Ans 8:

Class : Class 9

Ans 9:

Class : Class 6

Ans 10:

Class : Class 9
d

Ans 11:

Class : Class 3
Cotton is not obtained from seed of plant so cotton can not be S!

Ans 12:

Class : Class 9
how can wool/silk and cotton be excellent winter clothing. WOrst option. And Nishka Rawat - Fibres from cotton are obtained from seeds. WOrst science readers................. Worst option too for Sof trainer

Ans 13:

Class : Class 1

Ans 14:

Class : Class 6

Ans 15:

Class : Class 9
Bengluru poor science schools

Ans 16:

Class : Class 6

Ans 17:

Class : Class 6

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 5
yessssssssssssssssss

Ans 2:

Class : Class 7
Yesssssssssssss

Ans 3:

Class : Class 4
it is very hard

Ans 4:

Class : Class 3
Yessssss

Ans 5:

Class : Class 4

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