National Science Olympiad Forum By SOF Olympiad Trainer - Page 555

User Forum

Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Class : Class 1

Earth rotates eastward around its own axis in prograde motion. 


Ans 2:

Class : Class 8
West-east

Post Your Answer

Subject :NSO    Class : Class 8

Ans 1:

Class : Class 9
Sowing is planting of seeds in the soil. Whereas broadcasting is a form of sowing the seeds where the seeds are scattered by hand on the field.

Post Your Answer

Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Class : Class 1

Tilling is a process of preparation of the agricultural soil by mechanical agitation of the soil by digging, stirring, and overturning.


Post Your Answer

Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Class : Class 1

The crops grown between October-March are called Rabi crops. Examples of  rabi crops include wheat, barley, oats (cereals), chickpea/gram (pulses), linseed, mustard(oilseeds) etc


Post Your Answer

Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Class : Class 1

True

Anthrax is an infection caused by bacterium Bacillus anthracis. It affects both humans and cattle.


Post Your Answer

Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Class : Class 1

Macrophages  is capable of digesting any microorganism (except virses) that enters the cell.


Post Your Answer

Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Class : Class 1

Lysosomes are formed from the Golgi bodies and peroxisomes are derived from the Endoplasmic reticulum.


Post Your Answer

Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7

Ans 2:

Class : Class 7
. muscularization (usually uncountable, plural muscularizations) An increase in the size and function of the muscles.

Ans 3:

Class : Class 7
Did you mean muscularization? The increase in the function and sizeof our muscles is called muscularization.

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 1
Very tough for 5 th grade

Ans 2:

Class : Class 6
Thank you adminplz answer for the other questions also

Ans 3:

Class : Class 8
B

Ans 4:

Class : Class 4

Ans 5:

Class : Class 3
this is a tough question

Ans 6:

Class : Class 9
Correct answer might be B.

Ans 7:

Class : Class 9
Can't understand which formula to be applied

Ans 8:

Class : Class 3

Ans 9:

Class : Class 9

Ans 10:

Class : Class 5

Ans 11:

Class : Class 9
The correct answer is B As 25 into

Ans 12:

Class : Class 5
Yes very tough... didn't understand until I looked at the forum, the didn't even give solution.

Ans 13:

Class : Class 8
Tough Question. I agree.

Ans 14:

Class : Class 5
The answer is B.Because,(upper left corner X upper right corner) - (lower left corner X lower right corner) = Middle Number.

Ans 15:

Class : Class 9

Ans 16:

Class : Class 9
Toughest Question ever

Ans 17:

Class : Class 8

Ans 18:

Class : Class 8
Tough question ... Not for class 5 , I'm sure !!!

Ans 19: (Master Answer)

Class : Class 1

The correct answer is B.

In the first figure 25 X 15 - 12 X 14 = 207

In the 2nd figure, 16 X 17 - 10 X 12 = 152

Similarly, in the third figure, 25 X 25 - 21 X 18 = 247

Hence, the missing number is 25


Post Your Answer

Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Class : Class 1

Chemical products derived from petroleum are called petrochemicals. Some of the major petrochemicals are acetylene, benzene, ethane, ethylene, methane, propane, and hydrogen, from which many other chemicals are derived.


Post Your Answer