National Science Olympiad Forum By SOF Olympiad Trainer - Page 627

User Forum

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
Earth's magnetic field (C)

Ans 2:

Class : Class 8
Earth's magnetic field.

Ans 3:

Class : Class 5
answer is option c

Ans 4:

Class : Class 7
C (EARTH'S MAGNETIC FIELD)

Ans 5:

Class : Class 1
If u don’t understand after reading the solution tell Siri to explain u

Ans 6:

Class : Class 7
ANSWER SHOULD BE C

Ans 7:

Class : Class 5

Ans 8:

Class : Class 5
C is the answerIf you open synopsis in this chapter,it is clearly written that a compass works with the help of earth's magnetic field

Ans 9:

Class : Class 7
C is the answer to this question

Ans 10:

Class : Class 7
The correct option is C as all compasses are controlled by Earth's magnetic field.

Ans 11:

Class : Class 8
I still don't understand this question after reading the solution.😬😱

Ans 12:

Class : Class 5
sanskriti nagar is correct

Post Your Answer

Subject :NSO    Class : Class 7

Ans 1:

Class : Class 10
the answer is d

Ans 2:

Class : Class 7
They have not written: Both B and C in the D option. Whereas, B is important in the D option.

Ans 3:

Class : Class 3
so it is both b and c now ok guys.

Ans 4:

Class : Class 8
d is grammatically incorrect

Ans 5:

Class : Class 8
OPTION D SHOULD BE ''BOTH B AND C

Ans 6:

Class : Class 7
D is an incomplete option

Ans 7:

Class : Class 10

Ans 8:

Class : Class 7
D is an incomplete option

Ans 9:

Class : Class 8
The whole statement isn't mentioned

Ans 10:

Class : Class 7
d is incomplete

Ans 11:

Class : Class 9
D is incomplete answer

Ans 12:

Class : Class 7
please explain

Ans 13:

Class : Class 3

Ans 14:

Class : Class 7
D is an incomplete option .

Ans 15:

Class : Class 3
Turmeric indicator remains yellow in acidic (vinegar) and neutral solutions (common salt solution) and turns red in basic solution (soap solution and baking soda).

Ans 16:

Class : Class 10
D IS INCOMPLETE OPTION.

Ans 17:

Class : Class 9
Where is D?

Ans 18:

Class : Class 9
d is an incomplete answer

Ans 19:

Class : Class 7
the last option is not understandable

Ans 20:

Class : Class 7
the last option is incomplete the complete option should be Both B and C

Ans 21:

Class : Class 4
d is incomplete

Ans 22:

Class : Class 10
Yes,it is wrong. Incomplete option

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
From Athiya Mahapatra: option)c As the Upper layer of Earth is called Crust. The liquid which flows outside a volcano is called lava and Richter Scale is used to measure intensity of earthquakes.

Ans 2:

Class : Class 10
Sorry, I had was to mark this one only, but instead of (C), I clicked on (B)!

Ans 3:

Class : Class 7

Ans 4:

Class : Class 6
Volcano is an opening on the surface of Earth’s crust. There are three types of volcanoes: (i) Active volcanoes are those which are currently erupting or have erupted in the last 10,000 years. (ii) The dormant volcanoes are in a state of sleep. This means that they had erupted in the past but can erupt again, however, at the moment they are asleep. (iii) Extinct volcanoes are those that have been inactive for thousands of years and are not expected to erupt again. The liquid that comes out of a volcano is called lava. Richter scale measures magnitude of earthquakes and was developed by Charles Richter in 1935.

Ans 5:

Class : Class 7
Totally agree with you Mannat

Ans 6:

Class : Class 10
The answer is (C), but (B) can also be the answer.

Ans 7:

Class : Class 10
the answer is b

Ans 8:

Class : Class 10
I feel the (B) should be the correct answer, so please explain why (C) is the correct one.

Ans 9:

Class : Class 6
nope you are telling the opposite

Ans 10:

Class : Class 6
nope you are telling the opposite

Ans 11:

Class : Class 7
When it's inside a volcano, it's called magma. When it's out, it's called lava.

Ans 12:

Class : Class 4

Ans 13:

Class : Class 10
ans should be b

Ans 14:

Class : Class 1
The correct Ans is B and I did B but SOF is telling me I did C. Impossible and I am telling the truth I swear.

Ans 15:

Class : Class 7
ok

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
First of all, fish, crocodile and snakes, all these three are egg laying animals. Secondly, all of them are cold blooded animals. And thirdly, all of them are covered with scales. And therefore, statements 1, 2 & 3 are correct. That is why option C is correct.

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
YOYOYOYOOOO

Ans 2:

Class : Class 6
Ans is C because 0 minutes was 20 degrees celsius. Then, we were adding 6 after 2, 4, 6 minutes and so on. 1 is half of 2, and 1+2=3. So we should take normally 26 degrees celsius+(Half of 6) degrees celsius=26 degrees celsius+3 degrees celsius=29 degrees celsius.

Ans 3:

Class : Class 8
syu

Ans 4:

Class : Class 5

Ans 5:

Class : Class 5
got a little confused here but sorted it out

Ans 6:

Class : Class 2

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 7

Ans 2:

Class : Class 5
Novosti

Ans 3:

Class : Class 8
urenrjrjkvnm

Ans 4:

Class : Class 7
Novosti

Ans 5:

Class : Class 5
Fishing rod changes speed of the fish

Ans 6:

Class : Class 5
Novosti

Ans 7:

Class : Class 9
Novosti

Ans 8:

Class : Class 6
Novosti

Post Your Answer

Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8

Ans 2:

Class : Class 8
please explain

Ans 3:

Class : Class 8

Ans 4:

Class : Class 10
shouldnt it be a

Ans 5: (Master Answer)

Class : Class 1
The correct answer is C.

Ans 6:

Class : Class 10

Ans 7:

Class : Class 4
It should be a

Post Your Answer

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8
Answer is A (L) after the instruction the sequence is : N P S I L 4 W R 9 U F 7 S Y And then u get the answer

Ans 2:

Class : Class 8

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
d

Ans 2:

Class : Class 7

Ans 3:

Class : Class 8
its [D]

Ans 4:

Class : Class 8
its [D]

Ans 5:

Class : Class 5
Option D

Ans 6:

Class : Class 7

Ans 7:

Class : Class 4
A

Ans 8:

Class : Class 4
The correct option is -(D)

Ans 9:

Class : Class 8

Post Your Answer

Subject :NSO    Class : Class 7

Ans 1:

Class : Class 10
CSEDIMENTATIONSCUM.SLUDGE

Ans 2:

Class : Class 8

Ans 3:

Class : Class 9
Sludge settles while scum floats .you are right

Ans 4:

Class : Class 9
chlorine and UV rays are tertiary treatment

Ans 5:

Class : Class 8
SLUDGE IS THE SOLID WASTE

Ans 6:

Class : Class 8
yeah...sludge settles and scum floats.

Ans 7:

Class : Class 10
SCUM,SLUDGE.

Ans 8:

Class : Class 10
Sludge settles down while scum stays up

Ans 9:

Class : Class 8
good

Post Your Answer