National Science Olympiad Forum By SOF Olympiad Trainer - Page 21

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 6

Which of the following statements is/are correct?
(i) Constellations are the specific patterns formed by group of stars in the sky.
(ii) Planet Venus has 63 Moons.
(iii) Satellites are small heavenly bodies that revolve around the Sun.
(iv) One revolution of the Earth is completed in about 36514 days. This time period is called a solar year.

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


isnt A correct?

Ans 1:

Class : Class 6

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 5

The given options show the bacterial count, oxygen level and the number of green plants and animals in the river near each of four towns A, B, C and D. Which town is situated near an unpolluted river?

  Bacterial
count
Oxygen
level
Number of
green plants
Number of
animals
A Low High Few Few
B High Low Few Many
C High Low Few Few
D Low High Many Many


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Subject :NSO    Class : Class 10

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Subject :NSO    Class : Class 7

Arrange the following steps in a sequential order to explain the formation of convectional currents through ventilation.
(p) Hot air passes out through the ventilators and creates low pressure region in the room.
(q) The rooms are provided with ventilators at the top.
(r) Hot air in the room is less denser and it rises up.
(s) The cold air enters into the room through windows from high pressure to low pressure region.

A rpsq
B qrps
C qpsr
D qprs


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Subject :NSO    Class : Class 7

Which of the following is a correct statement regarding adaptations of polar bear?

AShort and thick feathers of polar bear protects it from cold.
BPolar bear has a layer of fat under its skin called blubber which conducts body heat.
CPolar bear has white fur so that it is not easily visible in the snowy background and is protected from its predators.
DPolar bear has long, curved and sharp claws which help it to swim.


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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 6
Answer should be a

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Subject :NSO    Class : Class 2

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