National Science Olympiad Forum By SOF Olympiad Trainer - Page 651

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8

Ans 2: (Master Answer)

Class : Class 1
Kindly mention your query

Ans 3:

Class : Class 9
ans is b

Ans 4:

Class : Class 8
Please explain how unsaturated fats are liquids at room temperature

Ans 5:

Class : Class 9
My query is, I didn't understand anything. Pls explain me

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Subject :NSO    Class : Class 7

Ans 1: (Master Answer)

Class : Class 1
Please mention your query

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
42

Ans 2:

Class : Class 3
It's 42 guys

Ans 3:

Class : Class 7
The answer is 42!!!

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Subject :NSO    Class : Class 10

Ans 1: (Master Answer)

Class : Class 1
Here, the correct answer is A. In (A), the incident rays are diverged after refraction, so the lens is concave and in (B), the incident rays are converged after refraction, so the lens is convex.

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8
thanks admin for the explanation

Ans 2:

Class : Class 7
the ans will be c

Ans 3:

Class : Class 10
i did not understand the question

Ans 4: (Master Answer)

Class : Class 1
Here, the answer is C. Displacement is the shortest distance covered by a body. In a circular path, the distance between the initial point (Here=P) and the final point (Here=Q) will give you the displacement. Here, Shortest distance between P and Q is PO + OQ = a + a = 2a Hence, the displacement of the cyclist would be 2a.

Ans 5:

Class : Class 7
in short words this was easy

Ans 6:

Class : Class 8

Ans 7:

Class : Class 6
Why are there maths questions in science paper?????

Ans 8:

Class : Class 9
WHAT IS THE CLASS THIS IS LIKE MATHS

Ans 9:

Class : Class 9
WHAT IS THE CLASS THIS IS LIKE MATHS

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 9
c

Ans 2:

Class : Class 7
The answer is c

Ans 3:

Class : Class 4
c

Ans 4:

Class : Class 7
c

Ans 5:

Class : Class 7

Ans 6:

Class : Class 7
c

Ans 7:

Class : Class 9

Ans 8:

Class : Class 9
Can anyone explain what 'inorganic elements' are?

Ans 9:

Class : Class 8

Ans 10:

Class : Class 10
The answer should be (d),not (c).

Ans 11:

Class : Class 10

Ans 12:

Class : Class 9

Ans 13:

Class : Class 6
Answer is C because Y is minerals.Minerals are inorganic.Excess consumption of minerals does not cause obesity.So they have told to mark incorrect answer.Therefore C is correct

Ans 14:

Class : Class 8

Ans 15:

Class : Class 10

Ans 16:

Class : Class 7

Ans 17:

Class : Class 6
c

Ans 18:

Class : Class 9
C is correct

Ans 19:

Class : Class 7

Ans 20:

Class : Class 7
ty

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Subject :NSO    Class : Class 6

Ans 1: (Master Answer)

Class : Class 1
Here, the answer is B. Since in a magnetic needle the arrow head is the North Pole, it will point towards the South Pole of the left hand side magnet and the other end of the magnetic needle (i.e; South Pole) will point towards the North Pole of the right hand side magnet.This is because like poles repel and unlike poles attract each other. Hence,the polarity of the end P of the right hand side magnet is North.

Ans 2: (Master Answer)

Class : Class 1
Here, the answer is B. Since in a magnetic needle the arrow head is the North Pole, it will point towards the South Pole of the left hand side magnet and the other end of the magnetic needle (i.e; South Pole) will point towards the North Pole of the right hand side magnet.This is because like poles repel and unlike poles attract each other. Hence,the polarity of the end P of the right hand side magnet is North.

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Subject :NSO    Class : Class 7

Ans 1: (Master Answer)

Class : Class 1
Kindly mention your query

Ans 2:

Class : Class 7
The answer is C!!!

Ans 3:

Class : Class 7
The answer is C!!!

Ans 4:

Class : Class 7
THE ANS IS B

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 7
B

Ans 2:

Class : Class 6
it is saying select the correct option for me

Ans 3:

Class : Class 7
B is the answer to this question

Ans 4:

Class : Class 6
I KNEW ABOUT TYPHOID AND CHOLERA BUT I didn't Knew about diabetes

Ans 5:

Class : Class 9

Ans 6:

Class : Class 5
B

Ans 7:

Class : Class 8
ANSWER IS B

Ans 8:

Class : Class 8
The question says choose the 'Incorrect' option

Ans 9:

Class : Class 5
how is diabetes caused through dirty or polluted water?

Ans 10:

Class : Class 5
best

Ans 11:

Class : Class 4
not B for sure as diabetes is not caused due to water pollution

Ans 12:

Class : Class 8

Ans 13:

Class : Class 8

Ans 14:

Class : Class 9
B

Ans 15:

Class : Class 6
the answer is B

Ans 16:

Class : Class 6

Ans 17:

Class : Class 5
ans b

Ans 18:

Class : Class 7
Tricky , hard and somewhat funny .

Ans 19:

Class : Class 9
How is it B, we are just learning in school abt germs and diseases and it doesn’t say anything abt diabetes caused by polluted, this is answer is wrong

Ans 20:

Class : Class 9
It is B as the question is "Select the INCORRECT option"Diabetes is not cased by water pollution so the answer is B

Ans 21:

Class : Class 2
confussing

Ans 22:

Class : Class 9

Ans 23:

Class : Class 4
B

Ans 24:

Class : Class 8

Ans 25:

Class : Class 5
The answer is D A-It is false B- Typhoid and cholera are caused by polluted water, but diabetes isnt. C- It is true that organic and inorganic pollutants cause dissolved oxygen level to decrease D- Agricultural runoffs can contaminate both groundwater and surface water

Ans 26:

Class : Class 8

Ans 27:

Class : Class 6
b

Ans 28:

Class : Class 5

Ans 29:

Class : Class 7
B is the answer to this question

Ans 30:

Class : Class 9

Ans 31:

Class : Class 4
it should be D

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 9
SAIKARAN and kailash patra, you are right . SOF , check your book (if you have any left) .

Ans 2: (Master Answer)

Class : Class 1
Here, the answer is B. Air, water and food are necessary for the survival of any living organism. So, in the absence of any one of these components an organism cannot survive. Hence, the grasshopper died due to the lack of air and food, although water was provided.

Ans 3:

Class : Class 4
Without air(oxygen) the grasshopper will die even food or water is given,so answer is A.

Ans 4:

Class : Class 1
there are 3 things needed in life air water and food without air we die in minutes without water we die in hours without food we die in days in the picture it is given as water is given to grasshopper and in question it is given as the grasshopper is in sealed and died after some time only so no food and air is given but as i told after some time grasshopper will die due to lack of air only ans sof you can check your mtg workbook also .

Ans 5:

Class : Class 5

Ans 6:

Class : Class 6
In the book it is given a as answer, then why b in trainer why why why?

Ans 7:

Class : Class 3
But in the book its a

Ans 8:

Class : Class 8
question is about sealed glass box,so there is no supply of oxygen,hence answer is 'a' only.

Ans 9:

Class : Class 5

Ans 10:

Class : Class 3
awnser will be A because air is mch important then food and water.

Ans 11:

Class : Class 5
no lack of food and air we die

Ans 12:

Class : Class 7
Admin ka bacha it is a

Ans 13:

Class : Class 1
many questions are wrong sof some children will think that is only correct and get less marks due to your fault .

Ans 14:

Class : Class 4
a

Ans 15:

Class : Class 8
Air , water and food are essential for living things to survive on Earth. Therefore, in the absence of anyone of these an organism will die. Hence, the the grasshopper will die in the absence of air and food although water was provided in the sealed glass tank. Hence, option(b) is the correct answer.🦗

Ans 16:

Class : Class 9
answer should be A.

Ans 17:

Class : Class 3
rrrrrrrrrrrrriight for meee

Ans 18:

Class : Class 4
If it is food then grasshopper will die after 2,3 days but it is writen after some times so it is a

Ans 19:

Class : Class 1
The correct answer is A.

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