National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 7

Read the given statements and select the correct option.
Statement 1 : Anaerobic respiration occurs in skeletal muscles of humans.
Statement 2 : Accumulation of lactic acid in the skeletal muscles lead to muscle fatigue.

ABoth statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
BBoth statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
CStatement 1 is true and statement 2 is false.
DBoth statements 1 and 2 are false.


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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 7

Refer to the given food web and select the incorrect option regarding it.


A V, W, X and U serve as top consumers in the given food web.
B The energy transferred from Q to U may be equal to or higher than the energy transferred from T to U.
C There are 12 food chains in the given food web, out of which 4 food chains have four trophic levels and rest have 3 trophic levels.
D Q, R, S and T are herbivores in the given food web.


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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 7

Refer to the given flow chart and select the incorrect option regarding it.


A If P is tap root, then it could be turnip whereas if P is adventitious root, then it could be Dahlia.
B If Q is water hyacinth, then it propagates by offsets whereas if Q is Colocasia, then it propagates by rhizome.
C R could be Bryophyllum or Kalanchoe that propagates through adventitious buds that develop in the marginal notches of leaves.
D P could be sweet potato, Q could be mint and R could be Begonia.


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Subject :NSO    Class : Class 7

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