National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Class : Class 1
The correct answer is a.

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
It is A as gravity is pulling the shoot lower though still plant grows upwards against atmospheric pressure .

Ans 2:

Class : Class 7
it should not be A because there is no method shown to see the amount of transpiration, but it shows that even though it is upside down the root grows towards gravity and the shoot grows upwards towards light so it should be B

Ans 3:

Class : Class 4
answer should be d.

Ans 4:

Class : Class 8
The answer Should be B. It shows plant growing against gravity, towards light. The apparatus does not indicate difference in transpiration.

Ans 5:

Class : Class 7
answer is D

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Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Class : Class 1
The correct answer is B.

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Subject :NSO    Class : Class 8

The given figure shows a typical animal cell with its components labelled as 'a – j'.

Identify the labelled components and select the incorrect statement regarding them.

AThe organelles 'e', 'h', 'g' and 'i' are membranebound structures which function in close coordination with one another.
B'f' organelle is responsible for the synthesis of fats inside the cells and it stores Ca2+ for release during muscle contraction.
C'a' and 'b' are selectively permeable membranes.
D'j' is the site for protein synthesis. It allows hereditary message from 'd' to get translated into proteins.


Ans 1: (Master Answer)

Class : Class 1
The correct answer is B.

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Subject :NSO    Class : Class 8

A student examined a particular plant cell through its various stages of growth. After making various measurements, he realised that the increase in cell size was largely due to enlargement of the central vacuole rather than an increase in the amount of cytoplasm. Why might this be an advantageous strategy for the cell?

AEnlarging the cytoplasm would make the cell less turgid.
BEnlarging the vacuole would make it unnecessary for the cell wall to stretch.
CEnlarging the vacuole would minimise any lowering of the surface area - volume ratio of the cytoplasm.
DAll of these


Ans 1: (Master Answer)

Class : Class 1
The correct answer is C.

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Subject :NSO    Class : Class 8

Select the option that correctly fills the blanks in any two of the given statements.
(i) ______ refers to the plants found in a particular area.
(ii) ______ species are those which are going to be extinct in near term future.
(iii) The lion tailed macaque is included in ______ species in red data book.
(iv) A place rich in ______ species is called hotspot.

A(i) Fauna, (ii) Endangered
B(iii) Endangered, (iv) Endemic
C(i) Flora, (iii) Vulnerable
D(ii) Rare, (iv) Endangered


Ans 1: (Master Answer)

Class : Class 1
The correct answer is B.

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Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Class : Class 1
The correct answer is a.

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Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Class : Class 1
The correct answer is D.

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Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Class : Class 1
The correct answer is D.

Post Your Answer