National Science Olympiad Forum By SOF Olympiad Trainer - Page 142

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 4

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Ans is A

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Why would (iii) be correct? Atomic size on going from left to right decreases so how would K be the smallest?

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Subject :NSO    Class : Class 7

Digestive juices were collected from three different regions of the alimentary canal. Drops of these juices were added to wells made in an agar of starch as shown below.


After an hour, the wells were rinsed with distilled water and flooded with iodine solution. The results are shown below.

Which of the following correctly identifies the regions of the alimentary canal from which the three digestive juices were obtained?

A
B
C
D


j

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Subject :NSO    Class : Class 6

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D

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