National Science Olympiad Forum By SOF Olympiad Trainer - Page 335

User Forum

Subject :NSO    Class : Class 3

Ans 1:

Class : Class 8
C

Ans 2:

Class : Class 4
R can be any mammal and S can be insects, as mammals have 4-2 legs answer C is wrong and answer B is correct. But my computor is showing that C is correct. HOW!?!!?

Ans 3:

Class : Class 5
i got it wrong

Ans 4:

Class : Class 1
pls explain the answer

Ans 5:

Class : Class 3
C cannot be the answer as R can't be insects as insects breathe through spiracles and not lungs.

Ans 6: (Master Answer)

Class : Class 1

C

S could be insects, so they can possess six legs. R can be birds, they possess only two legs. So, this statement is incorrect.


Ans 7:

Class : Class 8
ccccc

Ans 8:

Class : Class 4
HOW??I don't understand!!!!!!!!

Ans 9:

Class : Class 3
C is the answer.

Ans 10:

Class : Class 3
option c is the correct option because R is a bird

Ans 11:

Class : Class 7
c

Ans 12:

Class : Class 3
I have given wrong answer

Ans 13:

Class : Class 3
Thanks for telling

Ans 14:

Class : Class 3
B should be answer

Post Your Answer

Subject :NSO    Class : Class 9

Post Your Answer

Subject :NSO    Class : Class 8

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 8
ANS IS 154

Ans 2:

Class : Class 6

Ans 3:

Class : Class 6

Ans 4:

Class : Class 6

Post Your Answer

Subject :NSO    Class : Class 9

Post Your Answer

Subject :NSO    Class : Class 8

Ans 1:

Class : Class 9
according to reactivity series K>Na>Ca>Mg>Al>Zn>Fe>Pb>H>Cu>Hg>Ag>Au>Pt the metal should be between Al and Cu and hence Fe is the answer

Ans 2:

Class : Class 9

Post Your Answer

Subject :NSO    Class : Class 6

Post Your Answer

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8
A

Ans 2:

Class : Class 6

Ans 3: (Master Answer)

Class : Class 1

A

Jute is a fibre obtained from stem of jute plant. Jute is harvested during flowering stage. The stems are cut off close to the ground and are left to dry for sometime. Dried stems are then tied into bundles and soaked in water for about 20 days. This process is called retting. It softens the tissue and permits the fibres to be separated.

 


Ans 4:

Class : Class 6
The correct answer is (A).

Post Your Answer

Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1

B

The food-chain is starting with X. That means X is a plant (Producers). X is eaten by Y. So, Y must be a Herbivore (for example, animals like deer, rabbit, goat, etc.). And Y is eaten by Z. So, Z must be Carnivore (for example, animals like wolf, lion, hyena, etc.).


Post Your Answer

Subject :NSO    Class : Class 8

Post Your Answer