National Science Olympiad Forum By SOF Olympiad Trainer - Page 278
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Krishika from LFCS, Sangrur
Subject :NSO    Class : Class 9

Ans 1:

Harshal Ghate from Giis, Singapore
Class : Class 9

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Hridhaan from The Khaitan School, Noida
Subject :NSO    Class : Class 2

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(B)

The colour of milk is white. And white is called black. That means colour of milk is Black.
Hence, the right answer is Option B.


Ans 2:

JAI from BHS, Bangalore
Class : Class 2
in the downloadable pdf of this mock test, answer mentioned is red which also looks ok as white is black, black is purple, purple is red.

Ans 3:

JAI from BHS, Bangalore
Class : Class 2
can admin please confirm which one is correct?

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AKSHAJ SRIVASTAVA from MOUNT LITERA ZEE SCHOOL, Kanpur
Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

A

Electronic mail (email or e-mail) is a method of exchanging messages ("mail") between people using electronic devices. It is very fast and ideally takes only a few seconds to reach the receiver.


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AKSHAJ SRIVASTAVA from MOUNT LITERA ZEE SCHOOL, Kanpur
Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

A


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SIDDHARTH SOMANI from Vibgyor High, Mumbai
Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

D

Sea lion is not a fish, it is a mammal. Bat is not a bird, it is also a mammal.


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Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Subject :NSO    Class : Class 3

Ans 1:

Khanak Kapadia from Anand Vidya Vihar, Vadodara
Class : Class 3

Ans 2:

AADYA TANDON from DPS NOIDA SEC-30, Noida
Class : Class 5

Ans 3:

Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Class : Class 1
c is the correct answer

Ans 4:

Anunnakee Banerjee from BBPS NOIDA, NOIDA
Class : Class 6
D is the correct answer because according to the graph time is increasing and the food is becoming colder

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ICHALKARANJI from dkte, ichalkranji
Subject :NSO    Class : Class 9

A large truck and a car, both moving with a velocity of magnitude v, have a head-on collision and both of them come to halt after that. If the collision lasts for 10 s then
(i) The car will experience the greater force of impact exerted by the truck
(ii) The truck will experience the greater momentum change
(iii) Car will experience the greater average acceleration than truck.

A Only (i) and (ii) are correct.
B Only (ii) and (iii) are correct.
C Only (iii) and (i) are correct.
D All (i), (ii) and (iii) are correct.


please give solutions of the qustions

Ans 1:

Aryan from Ihs, Karama
Class : Class 9
PLEASE CAN YOU SEND THE DETAILED SOLUTION FOR THE GIVEN QUESTION.

Ans 2:

Arnav Ranka from Gyan Bharati School, Saket, New Delhi
Class : Class 9
Only (iii) is correct, as both will experience same change in momentum and forces exerted are equal

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Aarav Arya from Delhi Public School, Navi Mumbai
Subject :NSO    Class : Class 7

Ans 1:

Zaina Fathima from Indian school salalah, SALALAH
Class : Class 9
the ans is a

Ans 2:

Rishab from OWS, New Delhi
Class : Class 7
Yeah

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Aarav Arya from Delhi Public School, Navi Mumbai
Subject :NSO    Class : Class 7

In plants, the same set of pipe-like vessels transport water, minerals and food. Do you agree?

AYes, pipe-like vessels are xylem and phloem and both transport water, minerals and food.
BYes, pipe-like vessels called xylem and phloem are interconnected.
CNo, pipe-like vessels are xylem and phloem; xylem transports water and minerals while phloem transports food.
DNo, pipe-like vessels are xylem and phloem; xylem transports food while phloem transports water and minerals.


I do not agree with your answer

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

C


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Nishchay Gupta from Cambridge Court World School, Jaipur
Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

D

Smoke released from chimneys of houses spreads in the air surrounding the houses, mainly causes air pollution.


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