National Science Olympiad Forum By SOF Olympiad Trainer - Page 54

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Subject :NSO    Class : Class 3

A metallic container has a capacity of 2.5 litres. 3 litres of air is pumped into it.
What will be the volume of air inside the metallic container?

A1.5 litres
B2 litres
C2.5 litres
D3 litres


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Subject :NSO    Class : Class 8

Which of the following statements holds true about the kind of fertilisation as shown in the given figure?


A The female lays hundreds of gametes.
B The female gametes are laid directly on the cluster of floating male gametes.
C The male gametes are immobile whereas female gametes can swim in water with the help of long tail.
D Zygote receives chromosomes unequally from the parents, depending upon the number of gametes present in water.


female lays eggs not gametes

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Subject :NSO    Class : Class 7

Observe the given Venn diagram carefully and identify the processes represented by points 1, 2 and 3.


1 2 3
A Burning of fossil fuel Boiling potatoes Baking a cake
B Lighting a kerosene stove Breaking of an egg shell Photosynthesis
C Burning of paper Rusting of iron Spoilage of food
D Burning of LPG gas in kitchen Crystallisation of copper sulphate Browning of cut slices of apple


how can a physican and chemical change occur in one change only ?

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Subject :NSO    Class : Class 10

Identify the endocrine glands L, M and N in the given figure and select the option that correctly matches them with the function of hormone released by them.

  L M N
A Stimulates
synthesis
of melanin
in skin
Controls
rate of
metabolism
Stimulates
development
of lymphocytes
B Lowers
blood calcium
level
Regulates
circadian
rhythm
Controls
rate of
cellular oxidation
C Controls
rate of
metabolism
Helps in
milk ejection
from mammary
glands
Regulates water
and mineral
balance
in body
D Increases
blood
calcium
level
Stimulates
development
of secondary
sexual characters
in males and
females
Induces
contractions
of uterus
during child
birth


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Subject :NSO    Class : Class 10

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Subject :NSO    Class : Class 10

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Subject :NSO    Class : Class 10

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
Both a and b are correct kindly fix it

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 6

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