National Science Olympiad Forum By SOF Olympiad Trainer - Page 635

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 2

Ans 2:

Class : Class 5
Answer will be option C as the dots are dust particles only

Ans 3:

Class : Class 7

Ans 4:

Class : Class 7

Ans 5:

Class : Class 5
I by mistake marked D the correct option is c

Ans 6:

Class : Class 5
B

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 6
Everyone's statements look wrong but the option is not there . Correct answer- {E} all are wrong

Ans 2:

Class : Class 5

Ans 3:

Class : Class 9
why c

Ans 4: (Master Answer)

Class : Class 1
The correct answer is C.

Ans 5:

Class : Class 5
the correct answer is c because premolars and molars are a set of permanent teeth only.

Ans 6:

Class : Class 5

Ans 7:

Class : Class 4
ans is B

Ans 8:

Class : Class 7

Ans 9:

Class : Class 5
the correct answer is c

Ans 10:

Class : Class 9
c easy

Ans 11:

Class : Class 5
i do not understand it

Ans 12:

Class : Class 8
I agree with the solution given. Anand is right as a tooth also includes dentine as well as enamel. If it would have been,'The covering of a tooth is dentine.',it was wrong. Bhavya Jain check the solution.

Ans 13:

Class : Class 9
all are wrong

Ans 14:

Class : Class 7
nknnnk

Ans 15:

Class : Class 8
C is the correct answer because the solution is like that. So i think it is the correct one !

Ans 16:

Class : Class 5
Answer: option C

Ans 17:

Class : Class 8
All the teeth have root,crown,neck but their SHAPE is different so Anand is correct.

Ans 18:

Class : Class 6

Ans 19:

Class : Class 6
the answer is not A nor B,C or D

Ans 20:

Class : Class 4
teeth are made of tough material called enamel .

Ans 21:

Class : Class 7
lllllllllllllllllllllllllllllllllllllllll

Ans 22:

Class : Class 7
Rajesh and Anand are wrong I emphasis more about Anand because the tough material in the teeth is it's enamel not the dentine.

Ans 23:

Class : Class 8
I think the question is wronghow can digestion occur if there is no small intestine? so ans is D

Ans 24:

Class : Class 7

Ans 25:

Class : Class 3
Look here there is some problem. The correct answer is not there. Amrit is right. but all are not wrong. Anand and Rajesh are wrong. So, the correct answer will be E (which is not there actually. I made it myself because the correct answer was not there.) Rajesh and Anand.

Ans 26:

Class : Class 7
Digestion of food takes place in small intestine whereas absorption of water from remaining undigested food takes place in large intestine. Premolars and few molars are not present in milk teeth set.

Ans 27:

Class : Class 4
All are wrong

Ans 28:

Class : Class 4
E E E E E

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
The answer should be A

Ans 2:

Class : Class 4
Answer is D

Ans 3:

Class : Class 5
ohh

Ans 4:

Class : Class 4
wronggggggggggggggggggggggggg

Ans 5:

Class : Class 5
D

Ans 6:

Class : Class 1
d not a

Ans 7:

Class : Class 8
oops (D)

Ans 8:

Class : Class 3

Ans 9:

Class : Class 8
the answer is (A)

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 5
C

Ans 2:

Class : Class 5
In my exam I made the same mistake!!!!

Ans 3:

Class : Class 3
C is the right answer.

Ans 4:

Class : Class 5

Ans 5:

Class : Class 3
What about frosted glass? That doesn’t cast a shadow!!! It casts a light kind of thing!!!!

Ans 6:

Class : Class 3
Oh thank you so much!!!!!!

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 5
B

Ans 2:

Class : Class 5
its b because the earth or the sun can be x or y and moon is z

Ans 3:

Class : Class 7
vvvvdtryvvdfsdt,

Ans 4:

Class : Class 3
b

Ans 5:

Class : Class 6
I caould not even see the full question

Ans 6:

Class : Class 3
the correct answer is B

Ans 7:

Class : Class 9
answer should option c as moons between earth and sun so it means z is between x and y

Ans 8:

Class : Class 5
Nnnnnjnjnjnnjkjnknbhbjnnbnbnb

Ans 9:

Class : Class 3
class-3

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
ursa major means the great hunter

Ans 2:

Class : Class 6
Ans: Orion is a constellation that resembles a hunter.

Ans 3:

Class : Class 4
b

Ans 4:

Class : Class 9
Yes , Ursa Major resembles the Great Bear , Leo ; lion ,Orion ; hunter and Scorpius; scorpion .

Ans 5:

Class : Class 8

Ans 6:

Class : Class 5

Ans 7:

Class : Class 5
rteweewwwwwwwwwwwww

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6

Ans 2:

Class : Class 7

Ans 3:

Class : Class 7
C is correct

Ans 4:

Class : Class 6
the solution says c

Ans 5:

Class : Class 7
i am inveitable

Ans 6:

Class : Class 10

Ans 7:

Class : Class 7
b

Ans 8:

Class : Class 6
ANSWER IS B

Ans 9:

Class : Class 7

Ans 10:

Class : Class 6

Ans 11:

Class : Class 8

Ans 12:

Class : Class 9
b

Ans 13:

Class : Class 8

Ans 14:

Class : Class 6

Ans 15:

Class : Class 7
the observer cannot see S because Q is blocking the view and the observer cannot see R because of the opaque wall hence B is the correct answer

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
D

Ans 2:

Class : Class 4
D

Ans 3:

Class : Class 10
It is not a duck and his beak help him to catch fishes(fishes are first stored in its beak)

Ans 4:

Class : Class 3

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 9
Option A,because it is having the greatest number of bacteria in the shortest time.

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Subject :NSO    Class : Class 6

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