National Science Olympiad Forum By SOF Olympiad Trainer - Page 502

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
Can some one explain. I selected option A

Ans 2:

Class : Class 6
Ha I have never seen such a foolish person everyone eats mushrooms you fool?!!

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Subject :NSO    Class : Class 3

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 7
ANS IS A

Ans 2:

Class : Class 7

Ans 3:

Class : Class 5

Ans 4:

Class : Class 9
ans will be a as irrigation is all ways done after irrigation

Ans 5:

Class : Class 8
yes, the answer is A

Ans 6:

Class : Class 6
A

Ans 7:

Class : Class 5
A

Ans 8:

Class : Class 8
Manuring can be done both before sowing and after sowing.

Ans 9:

Class : Class 6
It is A you can only irrigate after sowing IT MAKES NO SENSE DOING IT BEFORE

Ans 10:

Class : Class 5
THese SOF people does not know anything

Ans 11:

Class : Class 6
A

Ans 12:

Class : Class 5
The answer is D. Traditionally, irrigation is done after sowing but doing it before can help make the soil damp and soft. Here it says that 'Irrigation can NEVER be done before sowing' which is wrong. So, correct answer is D.

Ans 13:

Class : Class 7

Ans 14:

Class : Class 5
a

Ans 15:

Class : Class 6
Ans is A because after sowing, new plants come, then only we water these.

Ans 16:

Class : Class 4

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4

Ans 2:

Class : Class 4
cannot understand this

Ans 3:

Class : Class 9
A

Ans 4:

Class : Class 1
Cannot understand this....Please explain.

Ans 5:

Class : Class 5
view solution to understand

Ans 6:

Class : Class 6
can't understand

Ans 7:

Class : Class 4
give solution admin we know that which is corretc

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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 3

Ans 2:

Class : Class 3

Ans 3:

Class : Class 3
How can silk keep cool

Ans 4:

Class : Class 3
Please explain this question

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 5

Mayank carried out an experiment as shown below to see how fast water flows out through different soil types in a filter funnel.

He collected soil from three different locations X, Y and Z. For each soil sample, 100 mL of water was poured into the filter funnel. He counted the drops of water that passed through the soil and into the beaker below, in one minute. He tabulated his results as shown below.

Which of the following statements is correct based on the results tabulated by him?

AWater lily will grow best in soil type Y and cactus will grow best in soil Z.
BWater lily will grow best in soil type Z and banyan plant will grow best in soil X.
CSoil Z is found in deserts and hill tops.
DSoil Y has lot of humus.


Ans 1:

Class : Class 6
You

Ans 2:

Class : Class 4

Ans 3:

Class : Class 5

Ans 4:

Class : Class 5

Ans 5:

Class : Class 5
Admin please give solution for this question.

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 7

Ans 2:

Class : Class 7
X should be crescent not the gibbous , please check and correct your answer.

Ans 3:

Class : Class 1
C

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
3 and 5

Ans 2:

Class : Class 6
ans:2

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