National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5

Ans 2:

Class : Class 4

Ans 3: (Master Answer)

Class : Class 1
The correct answer is A.

Ans 4:

Class : Class 4
The correct answer is A because Bat is a mammal and gives birth to young ones while others lay eggs .

Ans 5:

Class : Class 4
Bats are mammals and so they give birth to young ones.If they were not mammals,they would not have hair on their body.So, based on what is written above by me, it is clear that I think that the correct answer is option 'A'.

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
D

Ans 2:

Class : Class 8
Answer should be D

Ans 3:

Class : Class 8
the answer should be D

Ans 4:

Class : Class 8

Ans 5:

Class : Class 8

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Subject :NSO    Class : Class 3

Refer to the given word grid and answer the following questions.

Birds with which of the following foot type is not present in the given word grid?

A
B
C
D


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Ans 1:

Class : Class 4
D is the correct answer

Ans 2:

Class : Class 4

Ans 3:

Class : Class 4

Ans 4:

Class : Class 4

Ans 5:

Class : Class 2
A

Ans 6:

Class : Class 4
I agree on you Bhaskar

Ans 7:

Class : Class 4

Ans 8:

Class : Class 3
D

Ans 9:

Class : Class 2
D and A are the correct ans.

Ans 10:

Class : Class 3
D

Ans 11:

Class : Class 2
A Eagle word not present in the grid

Ans 12:

Class : Class 3
A

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 8
B is correct answer

Ans 2:

Class : Class 7
answer is b

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Subject :NSO    Class : Class 9

Refer to the given figure showing a process and select the correct statement regarding it.

Which of the following events also involve this process?
(i) Exchange of respiratory gases
(ii) Opening and closing of stomata
(iii) Swelling of dried raisins when soaked in water
(iv) Spreading of aroma of flowers
(v) Seismonastic movements in plants

A (i) and (iv) only
B (i) and (iii) only
C (i), (ii) and (iv) only
D (ii), (iii) and (v) only


give description along with this question

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Subject :NSO    Class : Class 9

Refer to the given diagram of a type of connective tissue and select the incorrect option regarding it.


A P acts as phagocyte whereas T plays an important role during allergic reactions.
B Q provide only elasticity whereas S provides only strength.
C R secretes extracellular matrix whereas T produces a substance that checks clotting of blood inside the blood vessels.
D Q is made up of collagen protein whereas S is made up of elastin protein.


pl explain this a bit

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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 9

Ans 1:

Class : Class 9
next time

Ans 2:

Class : Class 10
z/(x-y) = 32/19 is not among the option of elements given.

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