National Science Olympiad Forum By SOF Olympiad Trainer - Page 589

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 8
A

Ans 2:

Class : Class 5

Ans 3:

Class : Class 8
A

Ans 4:

Class : Class 5

Ans 5:

Class : Class 7
The answer is A because scientists have declared that Pluto was a dwarf planet in 24 August 2006

Ans 6:

Class : Class 6
A

Ans 7:

Class : Class 4

Ans 8:

Class : Class 8
A

Ans 9:

Class : Class 7
the answer is A

Ans 10:

Class : Class 6
A

Ans 11:

Class : Class 8
A

Ans 12:

Class : Class 5
A

Ans 13:

Class : Class 5
A

Ans 14:

Class : Class 7
A

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 4

Match the column I with column II and select the correct option.

Column I Column II
(Causes of soil erosion) (Methods of soil conservation)
a. Running water carries
the topsoil with it
1. Embankments
b. Strong winds blow away
humus-rich topsoil
2. Wind breaks
c. Indiscriminate cutting of trees 3. Afforestation
4. Terrace farming


A a-1, 3; b-2; c-4
B a-2, 4; b-1; c-3
C a-2; b-1, 3; c-4
D a-1, 4; b-2; c-3


Give solution

Ans 1:

Class : Class 3
THE CORRECT ANSWER IS D

Ans 2:

Class : Class 7

Ans 3: (Master Answer)

Class : Class 1
The correct answer is D.

Ans 4:

Class : Class 4
pl explain how the ans is D

Ans 5:

Class : Class 9
Plz explain

Ans 6:

Class : Class 10

Ans 7:

Class : Class 5
Dear Admin from revise , kindly share solution / reasoning to this answer.

Ans 8:

Class : Class 7
Can you tell the answer of this question

Ans 9:

Class : Class 4
how terrrace farming will stop soil errossion

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 3
Oh I didn’t realise

Ans 2:

Class : Class 4
solution is not given

Ans 3:

Class : Class 4
do the activity for more solution

Ans 4:

Class : Class 10
Very nice

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Subject :NSO    Class : Class 7

Priyanka took a destarched potted plant and set up an experiment as shown in the figure. She left the plant in sunlight for few hours and then tested the leaves X and Y for starch. Leaf X did not give starch test while leaf Y showed presence of starch.

What is proved by this experiment?

A Chlorophyll is necessary for photo-synthesis.
B Carbon dioxide is necessary for photo-synthesis.
C Light is necessary for photosynthesis.
D Oxygen is given out during photo-synthesis.


oohhhhhhk

Ans 1:

Class : Class 6

Ans 2:

Class : Class 8
b is correct

Ans 3:

Class : Class 7
B is correct because Potassium Hydroxide absorbs C02

Ans 4:

Class : Class 8
how is b correct???

Ans 5:

Class : Class 7

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 8
B

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5

Ans 2:

Class : Class 5

Ans 3:

Class : Class 8

Ans 4:

Class : Class 6
booooooom

Ans 5:

Class : Class 2

Ans 6:

Class : Class 6

Ans 7:

Class : Class 5
any option is silly except for none of these it made me laugh

Ans 8:

Class : Class 5
D

Ans 9:

Class : Class 6

Ans 10:

Class : Class 8

Ans 11:

Class : Class 8
none of the above

Ans 12:

Class : Class 7
None of them are the answer to this question

Ans 13:

Class : Class 7

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 9
Yes you are right....Felice Fontana discovered nucleolus

Ans 2:

Class : Class 8

Ans 3:

Class : Class 8
M

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