National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 3

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Class : Class 5

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Subject :NSO    Class : Class 5

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Class : Class 5

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Subject :NSO    Class : Class 5

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Class : Class 5
B) Rain which is acidic in nature (Acid Rain).

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Subject :NSO    Class : Class 8

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Class : Class 8

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Subject :NSO    Class : Class 10

Which of the following statements are correct regarding the given figure?
(i) The parts labelled as Q and R carry blood having low oxygen concentration.
(ii) The parts labelled as P, Q and R carry blood having low oxygen concentration.
(iii) The blood flows out of the heart through blood vessel Q when ventricle contracts.
(iv) The blood is flowing out of the heart through blood vessel Q when atria contract.
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A (ii) and (iv) only
B (ii), (iii) and (iv) only
C (i), (ii) and (iii) only
D (i) and (iii) only


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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 7
***** All the answers are same in NSO olympiad book *****

Ans 2:

Class : Class 5
this is wrong. If you have the science NSO olympiad book for level 1 go to that same chapter and see all the same questions are there but different answer.

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3

Ans 2:

Class : Class 3

Ans 3:

Class : Class 3

Ans 4:

Class : Class 1

Ans 5:

Class : Class 3
Correct answer is C

Ans 6:

Class : Class 3

Ans 7:

Class : Class 3
C is the answer

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Subject :NSO    Class : Class 9

Complete the given statements by selecting the correct words from the options given below.
(A) ___(i)___ is a kind of manure which is prepared in the field itself to enrich soil with nitrogen and phosphorus.
(B) ____(ii)____ is a draught breed of cattle.
(C) In ___(iii)____ water escapes from revolving nozzle and falls like rain on the crops.
(D) ____(iv)____ is the process of crossing individuals of two different species to produce hybrid.

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