National Science Olympiad Forum By SOF Olympiad Trainer - Page 476

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
ans. is d as dolphin is mammal and breathes through blowholes

Ans 2:

Class : Class 5
B

Ans 3:

Class : Class 7
Blowhole is used to take oxygen in, but exchange of gases take place in lungs.

Ans 4:

Class : Class 5
d is the answer

Ans 5:

Class : Class 5

Ans 6:

Class : Class 4

Ans 7:

Class : Class 6
correct answer is option (D). as dolphin

Ans 8:

Class : Class 5
oh that means blowholes are just like winpipegot it

Ans 9:

Class : Class 5
Ans is d as dolphins and whales are mammals and breathe through blowholes

Ans 10:

Class : Class 6
the answer should be D because-1. dolphins and whales are mammals

Ans 11:

Class : Class 6
What about whales and dolphins?

Ans 12:

Class : Class 5
D is the correct ans

Ans 13:

Class : Class 5
Answer should be B as whales and dolphins take in air through blowholes but exchange of gases happens in lungs

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8
Both the blocks will fall.

Ans 2:

Class : Class 8
Falling of both the blocks is correct

Ans 3:

Class : Class 6
Both the blocks will fall because Block II will obviously fall and due to unbalance of the pulley block Block I will also fall.

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
It has to be option A

Ans 2:

Class : Class 7
OPTION B IS CORRECT DRAW IT AND SEE.

Ans 3:

Class : Class 9
Option B is correct answer. Check what is connected to which point..

Ans 4:

Class : Class 5

Ans 5:

Class : Class 8
Option A is correct

Ans 6:

Class : Class 7
I THINK IT IS OPTION A WHAT DO YOU THINK?

Ans 7:

Class : Class 7
The bulbs are parallel so I think it is A but the connection of cells is also changed in A

Ans 8:

Class : Class 6
it should not be option b as bulb c is connected in series.

Ans 9:

Class : Class 6
here three bulbs are parallel so it would be option A

Ans 10:

Class : Class 6
Option A should be the correct answer.

Ans 11:

Class : Class 7
In the representation in option B, isn't the 3rd bulb connected in series???

Ans 12:

Class : Class 6

Ans 13:

Class : Class 4
IT is not option a because look at the positive and negetive terminal of the diagram and compare it with A

Ans 14:

Class : Class 7

Ans 15:

Class : Class 7
In a cell positive and negative ends are altered in A so B is the correct answer

Ans 16:

Class : Class 7
I also think option A is correct

Ans 17:

Class : Class 8
the correct answer is b . check the cell diagram . the positive and negative ends and interchanged in option A . but in option B it is right. so the answer is B .

Ans 18:

Class : Class 6

Ans 19:

Class : Class 7
The correct answer is Option B.. Look carefully at the terminals of the cell in the question and the Option A and B and then Compare.

Ans 20:

Class : Class 7
It should be option A

Ans 21:

Class : Class 8

Ans 22:

Class : Class 8
I too think it's a, but given in the answer is option B... please explain if you get it...

Ans 23:

Class : Class 8
a is correct a is correct a is correct a is correct a is correct a is correct a is correct a is correct a is correct a is correct a is correct a is correct a is correct a is correct (nare)

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
Oesophagus is the correct answer because the other three are digestive organs and in oesophagus no digestion occurs

Ans 2:

Class : Class 9
please explain why oesophagus

Ans 3:

Class : Class 7
D is the correct answer because food only passes through Oesophagus but food does not pass from the other three options.

Ans 4:

Class : Class 4
The correct answer is D as in the other three organs digestion occurs and in oesophagus no digestion occurs.

Ans 5:

Class : Class 5
Kindly explain,Why Oesophagus is the correct answer

Ans 6:

Class : Class 7

Ans 7:

Class : Class 8
(D) Oesophagus is the correct answer because in the mouth, the stomach and the small intestine digestion happens and in the oesophagus no digestion happens

Ans 8:

Class : Class 7
4D Yes... It is correct that it is oesophagus because all three are digestive organsI got it...

Ans 9:

Class : Class 4
UNDERSTOOD!!!because oesophagus does not perform digestion

Ans 10:

Class : Class 5

Ans 11:

Class : Class 8
oesophagus is right answer did you understand

Ans 12:

Class : Class 8

Ans 13:

Class : Class 6
kindly explain why oesophagus

Ans 14:

Class : Class 8
because oesophagus does not digest the food but the other three options do

Ans 15:

Class : Class 5
No digestion occurs in oesophagus but digestion occurs in the other three options

Ans 16:

Class : Class 4
pls explain the answer

Ans 17:

Class : Class 9
D ( oesophagus )

Ans 18:

Class : Class 5
OESOPHAGUS is the correct answer because no digestion occurs in it and occurs in rest l

Ans 19:

Class : Class 4
Kindly support your answer Oesophagus

Ans 20:

Class : Class 2
Oesophagus i correct

Ans 21:

Class : Class 6

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8
a snail do not have three legs so B is the correct answer

Ans 2:

Class : Class 7
fffgg

Ans 3:

Class : Class 7

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3

Ans 2:

Class : Class 5
D

Ans 3:

Class : Class 3
D

Ans 4:

Class : Class 6
where can I get the explanation ?

Ans 5:

Class : Class 4
D

Ans 6:

Class : Class 8
snakes dont have diaphragm like human, squirrel and lizards. so ans is D

Ans 7:

Class : Class 3
where can I get definition.

Ans 8:

Class : Class 6

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