National Science Olympiad Forum By SOF Olympiad Trainer - Page 278

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Subject :NSO    Class : Class 9

Ans 1:

Class : Class 9

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Subject :NSO    Class : Class 2

Ans 1: (Master Answer)

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:

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:

Class : Class 2
can admin please confirm which one is correct?

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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

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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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1

A


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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

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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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3

Ans 2:

Class : Class 5

Ans 3:

Class : Class 1
c is the correct answer

Ans 4:

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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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:

Class : Class 9
PLEASE CAN YOU SEND THE DETAILED SOLUTION FOR THE GIVEN QUESTION.

Ans 2:

Class : Class 9
Only (iii) is correct, as both will experience same change in momentum and forces exerted are equal

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 9
the ans is a

Ans 2:

Class : Class 7
Yeah

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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)

Class : Class 1

C


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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

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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