National Science Olympiad Forum By SOF Olympiad Trainer - Page 550

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
answer is D and C

Ans 2:

Class : Class 6

Ans 3:

Class : Class 7
It is c as starch is carbs not protein and d is vitamin which is required in milligrams which is very little so c is correct also why is this adwik guy saying these useless words

Ans 4:

Class : Class 5
option D is right

Ans 5:

Class : Class 6
D for sure.\

Ans 6:

Class : Class 7
sussy d baby

Ans 7:

Class : Class 5
Option C

Ans 8:

Class : Class 5
option d

Ans 9:

Class : Class 5
Option C is incoreect

Ans 10:

Class : Class 6
Ans is D because spinach, apple and pomegranate have vitamins and minerals. We should take fats in very small quantities because taking more amount of fats will make us obese.

Ans 11:

Class : Class 4
ans can be both C

Ans 12:

Class : Class 6
option d

Ans 13:

Class : Class 6
option d

Ans 14:

Class : Class 8
OPTION C , Carbohydrates (R) have starch which gives energy to the body to do work. Proteins (Q) do not have starch. So, this option is Incorrect.

Ans 15:

Class : Class 2

Ans 16:

Class : Class 6
option c

Ans 17:

Class : Class 6

Ans 18:

Class : Class 5
Ans. is C only

Ans 19:

Class : Class 4

Ans 20:

Class : Class 5
Ans. is D only,I am sorry for saying C.

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 9

Ans 2:

Class : Class 5
this ques doesn't even make sense

Ans 3:

Class : Class 8

Ans 4:

Class : Class 4

Ans 5:

Class : Class 7
ans is c

Ans 6:

Class : Class 5
ANS IS B

Ans 7:

Class : Class 4

Ans 8:

Class : Class 6
c is the answer

Ans 9:

Class : Class 6
Ans is B

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5

Ans 2:

Class : Class 6
Ans is A because W is bud and from bud a flower comes after a few days the flower turns into a fruit and fruits bear seeds.

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 9

Ans 2:

Class : Class 7
OPTION D IS MISSING! IT CAN BE BOTH A

Ans 3:

Class : Class 7
A and B both r correct so they should make option D as both A and B even there is no option D so ya possible

Ans 4:

Class : Class 9

Ans 5:

Class : Class 4

Ans 6:

Class : Class 7
Option D is missing!!! And Option A and B can also be the answer as both of them are correct. The options in the question itself is an error as there is no option D!

Ans 7:

Class : Class 3
I think option d is missing and it might be both a and b as both of them r correct

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 9
The correct answer is D

Ans 2:

Class : Class 3
D

Ans 3:

Class : Class 8
What a tricky question!

Ans 4:

Class : Class 5
it is a piece of cake

Ans 5:

Class : Class 5
It is very tricky question.

Ans 6:

Class : Class 8
very tricky

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 2

Ans 2:

Class : Class 8

Ans 3:

Class : Class 3

Ans 4:

Class : Class 6

Ans 5:

Class : Class 9
D

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Subject :NSO    Class : Class 3

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 2

Ans 2:

Class : Class 5
the spi

Ans 3:

Class : Class 3
I think option a is also correct with option d as lungs are in curcularury system system too as the blood first goes to the lungs after the heath and then the body. Lungs also filter air and help us breathe so they are in excretory and resperatory system too. Plese tell how option a hearth is wrong .

Ans 4:

Class : Class 6
Heart

Ans 5:

Class : Class 8
i think heart is correct answer. please elaborate, how come kidney is right answer a

Ans 6:

Class : Class 4
It will be kidney because lungs give out carbon dioxide as waste.Heart is the wrong answer........

Ans 7:

Class : Class 3

Ans 8:

Class : Class 8
D because spinal cord helps brain to control the body.

Ans 9:

Class : Class 5
Answer is D because both lungs n kidney are in Exetery system

Ans 10:

Class : Class 6
I thinks it should be heart. As lungs are connected with the heart not kidney.

Ans 11:

Class : Class 5
spinal cord connects every organ to brain an

Ans 12:

Class : Class 3
D

Ans 13:

Class : Class 3
i think brain n spinal cord are parts of nervous system whereas kidneys n lungs are part of excretory system,through lungs we inhale o2 n exhale co2,kidneys excrete urines

Ans 14:

Class : Class 3
Heart is the correct answer

Ans 15:

Class : Class 3

Ans 16:

Class : Class 6
lungs and spinal cords are part of nervous system so lungs and kidney are part of excretory system(lungs dispose co2 from body)

Ans 17:

Class : Class 5
I think it should be heart not kidney

Ans 18:

Class : Class 3
I think both kidneys and hearth are correct. beacause lungs are in respiratory,curculatory and excretory system as they help us to brathe ,make pure blood and also the blood goes from hearth then lungs and then all parts. Plese tell how hearth is wrone.

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