National Science Olympiad Forum By SOF Olympiad Trainer - Page 192

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 6
C

Ans 2:

Class : Class 3
c

Ans 3:

Class : Class 3
C

Ans 4:

Class : Class 1
C

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Subject :NSO    Class : Class 6

Ram and Shyam have performed the experiment to separate sugar from water, as shown in the figures.


Which of the following statements are incorrect?
1.  Method 1 is slower than method 2.
2.  Method 2 leads to the decomposition of sugar to carbon.
3.  Method 1 is more appropriate than method 2.
4.  Method 2 is slow but pure sugar is obtained without getting decomposed.

A2, 3
B1, 2, 3
C3, 4
D2, 4


Very good and tricky question. Will be waiting for questions like this.

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 9

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 9
True, any one of them could be the correct answer, please fix

Ans 2:

Class : Class 9
For this I think B is the correct answer please check

Ans 3:

Class : Class 9
As per the solution, both B and C are correct, then why choosing B is wrong.

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 8

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 9

Ans 2:

Class : Class 7

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8
D correct cause D correct

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 5

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Subject :NSO    Class : Class 6

Read the given passage where few words have been italicised. Iron is a very important food component. It takes part in formation of thyroid hormone secreted by parathyroid glands of our body. It is a trilobed gland located in the neck region. Iron deficiency can lead to malfunctioning of the gland causing hypo or hyper secretion of thyroid hormone. This leads to disease like osteomalacia.Foods like orange and spinach are recommended to the patient suffering from this condition. Select the correct option regarding this.

AIron should be replaced by iodine.
BParathyroid should be replaced by thyroid and osteomalacia should be replaced by anaemia.
CTrilobed should be replaced by tetralobed.
DOrange and spinach should not be replaced as they are correctly mentioned.


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