National Science Olympiad Forum By SOF Olympiad Trainer - Page 340

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 8
D is the best answer

Ans 2:

Class : Class 5
i think it is ACAN SOMEONE PLS TELL THE CORRECT ANSWER?

Ans 3:

Class : Class 4
This question ****s

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Subject :NSO    Class : Class 7

Refer to the given figure showing three parent species, X, Y and Z (in plot I) and their respective seedlings after dispersal (in plot II).

Select the incorrect statement regarding species X, Y and Z.
(i) X could be pea plant in which fruits burst open forcibly after drying.
(ii) Y could be Xanthium in which seeds are hooked i.e., have spines.
(iii) Z could be Acer in which fruits and seeds have wings or hair like structure.
(iv) X could be coconut, Y could be lotus and Z could be Calotropis.

A (iii) and (iv) only
B (i) and (ii) only
C (iii) only
D (iv) only


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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 9

Ans 2:

Class : Class 7
answer is D

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Subject :NSO    Class : Class 7

Kunal took few iron turnings and mixed them well with sulphur powder. He could separate the iron turnings with the help of a magnet. He heated the mixture for some time and tried to separate the iron turnings with the magnet but he could not. Why?

A On heating, a chemical change takes place and a new compound is formed.
B On heating, iron becomes non-magnetic hence, it is not attracted by magnet.
C On heating, a physical change takes place hence iron and sulphur gets mixed up.
D On heating, iron evaporates and only sulphur is left behind.


Ans 1:

Class : Class 8
the answer is A

Ans 2:

Class : Class 5

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Subject :NSO    Class : Class 2

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4

Ans 2:

Class : Class 5
How do I know the answer, if I'm a Sri Lankan!

Ans 3:

Class : Class 4
The correct answer is B). All of you are wrong because you don't know Science. Ha......Ha.....

Ans 4:

Class : Class 6
It is d

Ans 5:

Class : Class 5
The awnser is D

Ans 6:

Class : Class 4
4 answer is C

Ans 7:

Class : Class 4
the answer is (A) because they are wearing kurta and the woman is wearing saree.

Ans 8:

Class : Class 6
Answer is d because the male person has a sword in his hand

Ans 9:

Class : Class 4

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 6
Class :

Ans 2:

Class : Class 6

Ans 3:

Class : Class 6

Ans 4:

Class : Class 4

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
What if fuckoff

Ans 2:

Class : Class 5

Ans 3:

Class : Class 8

Ans 4:

Class : Class 7
why awnser is c

Ans 5:

Class : Class 5
fuckoff

Ans 6:

Class : Class 5

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Subject :NSO    Class : Class 8

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