National Science Olympiad Forum By SOF Olympiad Trainer

User Forum

Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
C

Ans 2:

Class : Class 7

Ans 3:

Class : Class 7

Ans 4:

Class : Class 7
here option c holds true because in option a and b we can make an exception with pulmonary artery and vein.

Ans 5:

Class : Class 7

Ans 6:

Class : Class 7
Yes, the answer is option "C". It is not true that arteries will always carry oxygenated blood and the veins will always carry deoxygenated blood (pulmonary vein and artery).

Ans 7:

Class : Class 8

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
sea snakes also breathe through skin so option 1 should also be correct.

Ans 2:

Class : Class 6

Post Your Answer

Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1
The correct answer is C.

Post Your Answer

Subject :NSO    Class : Class 7

Ans 1: (Master Answer)

Class : Class 1
Molars and Premolars are mainly used to chew the food.

Post Your Answer

Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7

Ans 2:

Class : Class 7

Ans 3:

Class : Class 7

Ans 4:

Class : Class 3
such questions r always confusing.................

Ans 5:

Class : Class 3

Post Your Answer

Subject :NSO    Class : Class 4

Refer to the given paragraph and table and answer the following questions.
Neha took 100 gm each of three types of soil, X, Y and Z, in three separate pots with hole at the bottom. The amount of water that was poured in the soil pot, just before it started dripping from the bottom hole, is tabulated here.

The soil that is mixture of clay, sand, humus and is usually very good for growth of most plants is __________.

A X
B Y
C Z
D Cannot be determined


Ans shd be D (Cannot be determined)

Ans 1:

Class : Class 4
B IS THE ANSWER ANURADHA NAIR 4C

Ans 2:

Class : Class 3

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
I GOT IT CORRECT

Ans 2:

Class : Class 4
THE OPTION SHOULD HAVE BEEN CFC OR WE CAN TAKE THE OPTION D [NITROGEN] BUT IT IS SHOWING WRONG

Ans 3:

Class : Class 3
the correct answer is CFCs .but is not mention in the option.

Ans 4:

Class : Class 4
The answer was supposed to be CFC .

Ans 5:

Class : Class 4
how the released gas from refrigerator is CO2

Ans 6:

Class : Class 3

Ans 7:

Class : Class 4
Actually it is b ,as a is CNG(compressed natural gas which is a energy source that is not a greenhouse gas

Ans 8:

Class : Class 5

Ans 9:

Class : Class 4
The correct answer should be CFC

Ans 10:

Class : Class 4
the ans should be CFC

Ans 11:

Class : Class 4

Post Your Answer

Subject :NSO    Class : Class 6

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1
The correct answer is B.

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1
The correct answer is D.

Post Your Answer