National Science Olympiad Forum By SOF Olympiad Trainer - Page 517

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 7
Right you are,sire!

Ans 2:

Class : Class 8
The answer is one and only D

Ans 3:

Class : Class 7

Ans 4:

Class : Class 8
Manasvi is wrong because there IS a role of transpiration ,if not then why did he wrapped the leaves in transparent polythene bags?

Ans 5:

Class : Class 6
D is the correct answer

Ans 6:

Class : Class 6
You're right Elena!

Ans 7:

Class : Class 7

Ans 8:

Class : Class 5
ANS IS B BECAUSE THERE IS NO ROLE OF TRANSIPIRATION IN THE GIVEN QUESTION

Ans 9:

Class : Class 5
manasvi is right

Ans 10:

Class : Class 8

Ans 11:

Class : Class 7
Can anyone tell me why D is the answer

Ans 12:

Class : Class 6
b

Ans 13:

Class : Class 5
elena is right

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 6
Complete digestion of food takes place in small intestine. Also absorption of the digested food into the blood takes place in small intestine.

Ans 2:

Class : Class 7
c

Ans 3:

Class : Class 7
Complete digestion of food is held in the small intestine....

Ans 4:

Class : Class 5

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 5

Ans 2:

Class : Class 5
C should be the correct answer.

Ans 3:

Class : Class 9

Ans 4:

Class : Class 8

Ans 5:

Class : Class 8

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Subject :NSO    Class : Class 2

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Subject :NSO    Class : Class 2

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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 4
a

Ans 2:

Class : Class 4

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Subject :NSO    Class : Class 7

Read the given paragraph carefully.

The female silk (i) lays eggs. When an egg hatches, a tiny caterpillar called silkworm or (ii) crawls out. It feeds on leaves and grows. When it is ready to enter the next stage in its life cycle, it secretes a fibre made of (iii) , which hardens on exposure to air. This is the silk fibre. It covers itself completely with this fibre, to form a (iv) . At this stage, the larva is called a (v) , which grows and changes inside the covering and, a few weeks later comes out as an adult.

Select the correct sequence of words to complete the above paragraph.

(i) (ii) (iii) (iv) (v)
A Moth Larva Protein Pupa Cocoon
B Larva Moth Carbo-Pupa Cocoon hydrate
C Moth Larva Protein Cocoon Pupa
D Moth Larva Fat Cocoon Pupa


Ans 1:

Class : Class 7
doesnt it secrete fat??????????????????

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Subject :NSO    Class : Class 5

A hoverfly looks like a honey bee (see the figures). Which of the following statements best explains how this adaptation helps the hoverfly to survive ?


ALooking like a honey bee keeps other animals away from the hoverfly's food.
BLooking like a honey bee allows the hoverfly to collect more pollen.
CLooking like a honey bee allows the hoverfly to blend with its environment.
DLooking like a honey bee prevents some predators from trying to eat the hoverfly.


Ans 1:

Class : Class 6
Ans is D

Ans 2:

Class : Class 5

Ans 3:

Class : Class 6

Ans 4:

Class : Class 9

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Subject :NSO    Class : Class 2

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