National Science Olympiad Forum By SOF Olympiad Trainer - Page 399
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Aksh Tyagi from DPS East Bangalore, Bangalore
Subject :NSO    Class : Class 4

Ans 1:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 7

Ans 2:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 7

Ans 3:

AHANA BAG from DELHI PUBLIC SCHOOL JOKA SOUTH KOLKATA, KOLKATA
Class : Class 9
the correct answer is C

Ans 4:

Deveshi Sachdev from venkateshwar international school, New Delhi
Class : Class 5

Ans 5:

UMANG from SPRING DALE COLLAGE, Lucknow
Class : Class 8
The answer is c.

Ans 6:

UMANG from SPRING DALE COLLAGE, Lucknow
Class : Class 8
The answer is c.

Ans 7:

Aadya Kawale from Podar International ICSE , Dombivli East
Class : Class 4
Oh yeah…The correct option IS C.

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VANSH GARG from DPSG, GHAZIABAD
Subject :NSO    Class : Class 3

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VANSH GARG from DPSG, GHAZIABAD
Subject :NSO    Class : Class 3

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Adish Gupta from Podar international school , Mumbai
Subject :NSO    Class : Class 7

Read the given statements and select the correct option.
Statement 1: The digested food is absorbed mainly in the small intestine.
Statement 2: The inner wall of small intestine contains numerous finger-like projections called villi.

A Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
B Both statements 1 and 2 are true but statement 2 in not the correct explanation of statement 1.
C Statement 1 is true but statement 2 is false.
D Both statements 1 and 2 are false.


Ans 1:

Hritvi from Podar International School, Mumbai
Class : Class 7
Answer is A because the most important task of villi is the absorption of nutrients in small intestine.

Ans 2:

Siddharth from Navy Children School, KOCHI
Class : Class 4

Ans 3:

Hamsavarshini Swaminathan from St Anns Senior Secondary School, Roorkee
Class : Class 10
it should be b. it is no correct explanation

Ans 4:

Arin from suncity, gurugram
Class : Class 8

Ans 5:

Gania Rathore from Vidya Mandir Estancia, Chennai
Class : Class 7
IT SHOULD BE ''B''. NONE OF THESE EXPLAIN EACH OTHER

Ans 6:

Raabhya from DPS NOIDA, NOIDA
Class : Class 5
It should be B as there is no explanation between statement 1 and statement 2

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ARCHISHA SIKDAR from CHOITHRAM MANIKBAG, INDORE
Subject :NSO    Class : Class 5

Ans 1:

akshaj das from NARAYANA E TECHNO kaggdaspura, Bengaluru
Class : Class 8
X

Ans 2:

Cheshika batra from Our lady of Fatima convent school, Patiala
Class : Class 5
B

Ans 3:

Sahishnu Jadhav from SSRVM, PUNE
Class : Class 8
ANS- D as nitrogen does support burning and carbon di oxide is used in fire extinguishers

Ans 4:

Cheshika batra from Our lady of Fatima convent school, Patiala
Class : Class 5
B

Ans 5:

Shrey Sanmay from open minds a birla school, patna
Class : Class 6
ANS-D -both B and C

Ans 6:

Pratham Dave from GNS, Bangalore
Class : Class 7
But only nitrogen is used in fire extinguisher

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Vinay from Ggis, Pune
Subject :NSO    Class : Class 6

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Vinay from Ggis, Pune
Subject :NSO    Class : Class 6

Ans 1:

Kushal from Chirec, Hyderabad
Class : Class 7
the answer is cotton flower

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Kishore Kadiyala from NPS, BANGALORE
Subject :NSO    Class : Class 4

Ans 1:

Shourya from Euro, Bangalore
Class : Class 6

Ans 2:

Asmita verma from Uttam school for girls, ghaziabad
Class : Class 4
They are example of lever

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Adish Gupta from Podar international school , Mumbai
Subject :NSO    Class : Class 7

In the given figure, two cars coming from town P are traveling with a speed of 65 km h–1. When they reach the cross road, one of the car turns towards town Q whereas the other continues forward towards town R. Both continue to move with the same speed of 65 km h–1.
Which of the following options is correct for given statements?

(i) Both cars have same velocities even if the car turns towards town Q.
(ii) Two bodies have same velocities if they are moving with same speed in different directions.

A Both (i) and (ii) are correct and (ii) is the correct explanation of (i).
B Both (i) and (ii) are correct but (ii) is not the correct explanation of (i).
C Only (i) is correct.
D Neither (i) nor (ii) is correct.


Ans 1:

Nivriti from Euro, Mumbai
Class : Class 7
Answer is D

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Samriddhi Debbarma from Chirec International School, Hyderabad
Subject :NSO    Class : Class 3

Ans 1:

Riddhima Vashist from Podar International School, Mumbai
Class : Class 3
The correct answer was : B

Ans 2:

ANSHUL GAJJAR from PODAR INTERNATIONAL SCHOOL, AHMEDABAD
Class : Class 3
B

Ans 3:

divita saxena from bhavans vidya mandir ashti , nagpur
Class : Class 4
ans is b

Ans 4:

divita saxena from bhavans vidya mandir ashti , nagpur
Class : Class 4
ans is b

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