National Science Olympiad Forum By SOF Olympiad Trainer

Vivswan Garg from The Shri Ram School Aravali, Gurugram

Subject :NSO Class : Class 5

If your diet is deficient in citrus fruits then you are supposed to suffer from

ARickets
BBeri Beri
CScurvy
DNight blindness.

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Siddhant from Mris, ludhiana

Subject :NSO Class : Class 7

Which of the following options is correct for the object having a straight line motion represented by the graph shown in figure?

A The object moves with constantly increasing velocity from O to A and then it moves with constant velocity.
B Velocity of the object increases uniformly.
C Average velocity is zero.
D The graph shown is impossible.

Displacement is zero hence average velocity should be zero

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Ans 1:

Ivjot Singh Hanspal from Allen Career Institute, Surat

Class : Class 9

Answer is C

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ISHAN PANDEY from Podar international school , Ahmedabad

Subject :NSO Class : Class 5

The seed shown here is most likely to be dispersed by ______.

A Water
B Wind
C Animals
D Cannot say

B ( wind)

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Ans 1:

Anvi Paul from Navrachana School, Vadodara

Class : Class 6

HOW

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Praneel Hardikkumar Patel from Lalji mehrotra lions school, Ahmedabad

Subject :NSO Class : Class 4

The graphs below show the relationship between two organisms.

(A) What is the relationship between the two organisms P and Q?
(B) During which period do you think organism M was introduced?
(C) What new food chain forms between organisms P, Q and M?

CAN YOU PLEASE EXPLAIN HOW THIS ANSWER IS RIGHT

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Ans 1:

Reyansh Rane from AISB , Bangkok

Class : Class 4

Ans 2:

Reyansh Rane from AISB , Bangkok

Class : Class 4

I don't get it

Ans 3:

Anwita from Gea, Mumbai

Class : Class 4

i dont understand

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Ishani Gandhi from Lourdes convent school, Surat

Subject :NSO Class : Class 5

Which of these natural resources is a source of lumber used for building a house?

A Ores
B Coal
C Trees
D Grasses

C

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Mahi Chandra from ICON School of Excellence, Bengaluru

Subject :NSO Class : Class 3

Study the given classification chart.

Select the option that correctly identifies P, Q, R and S.

AP-Joint; Q-Small intestine; R-Liver; S-Anus
BP-Windpipe; Q-Skull; R-Lung; S-Blood vessels
CP-Small intestine; Q-Anus; R-Lung; S-Spinal cord
DP-Skull; Q-Brain; R-Muscle; S-Heart

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Mahi Chandra from ICON School of Excellence, Bengaluru

Subject :NSO Class : Class 3

Which of the following is a special means of transport?

A
B
C
D

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Mahi Chandra from ICON School of Excellence, Bengaluru

Subject :NSO Class : Class 3

Which bird has the type of beak shown in the picture?

AVulture
BHumming bird
CHoopoe
DSparrow

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Mahi Chandra from ICON School of Excellence, Bengaluru

Subject :NSO Class : Class 3

Study the given food chain and select the correct option regarding it.

What will happen if population of snake is removed from this food chain?

APopulation of grass will go down.
BPopulation of eagle will increase.
CPopulation of grasshopper will increase.
D Population of frog will increase.