National Science Olympiad Forum By SOF Olympiad Trainer - Page 316

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7

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Class : Class 7
in the solution, it says that a, b and c is seen in all the rows and columns. But, c appears twice instead of b...

Ans 3:

Class : Class 6
Bruh

Ans 4:

Class : Class 6

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 6

Ans 1: (Master Answer)

Class : Class 1

Deficiency of iron.


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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 8

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Class : Class 7
D D D the answer is D Nishchita plz give me likes if you like my poetry

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Class : Class 5
I think the answer for this question is C

Ans 4:

Class : Class 5
i did C and it was wrong the answer is D

Ans 5:

Class : Class 5

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Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Class : Class 1

B


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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 5
D

Ans 2:

Class : Class 7
The correct answer is C.

Ans 3:

Class : Class 6
C

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Subject :NSO    Class : Class 5

Ans 1: (Master Answer)

Class : Class 1

A

In the given classification chart X could be water as coconut and lotus disperse their seeds through water and Y could be explosion as pea and poppy disperse their seeds through explosion. (i) gets dispersed by wind, so it could be maple or milkweed. (ii) gets dispersed by explosion so it could be cocklebur.


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Class : Class 6
A

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Class : Class 9
Check the options given for most correct answer:(i) is dispersed by wind. So it should be very light in weight. Correct answer could be Maple (Option A) or Milkweed (Option B). Both are very light.Next, Coconut and Lotus are dispersed by X. Both of these grow very near to water. So, they will be dispersed by water. That means X is Water. So, Option A and Option C could be the right answer.But Option A is common in both. So, let’s confirm by checking the right option for (ii) and Y.Seeds dispersed by Animals will be Mango and (ii). Cocklebur are the seeds of Xanthium. They are hard and have stiff, pointed thorns/spines. So, these attach to the animals’ hides and taken away. So, (ii) is Cocklebur.Peas and Poppy seeds are dispersed when the fruits split and burst open. So, Y is Explosion.That means Option A is the correct answer

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4

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Class : Class 8

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 7

Ans 2:

Class : Class 7

Ans 3:

Class : Class 9

Ans 4: (Master Answer)

Class : Class 1

C

A lunar eclipse occurs when the Earth comes in between the Sun and the Moon.


Ans 5:

Class : Class 7

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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1

A

P is not a natural fibre. so, it can be any synthetic fibre like nylon or rayon. Q can be any natural fibre that is obtained from plant. So, it can be cotton or jute. R an be any natural fibre that is obtained from animal. So, it can be wool or silk.


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