National Science Olympiad Forum By SOF Olympiad Trainer - Page 606

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
A

Ans 2:

Class : Class 8
the answer may be a,but it seemed to me that they expanded equally so i clicked d

Ans 3:

Class : Class 8

Ans 4:

Class : Class 7
A!!!

Ans 5:

Class : Class 7

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
which is the correct answer B or C

Ans 2:

Class : Class 5
it is c as it is a lunar eclipse

Ans 3:

Class : Class 7
A--- Sun B---Earth C--- Moon D---Umbra It is right order

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
aaaaa is the ans

Ans 2:

Class : Class 2
A is right and it is RIGHT

Ans 3:

Class : Class 6

Ans 4:

Class : Class 7
it is d

Ans 5:

Class : Class 4
how its d i got it a

Ans 6:

Class : Class 5
D) Both [a] and [b] Solution : Joints are the places where two bones are joined together. 'X' represents joint between bones in the skull which shows no movement, Y-type joint (hinge joint) present between lower jaw and skull, is also present in elbow. It allows movement in only one direction. Cartilaginous joints are found between vertebrae that allow slight movement of bones unlike the 'X' type joint.

Ans 7:

Class : Class 7
Y is a jaw bone joint just like the elbow joint.

Ans 8:

Class : Class 6
It is option A

Ans 9:

Class : Class 4

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8

Ans 2:

Class : Class 8

Ans 3:

Class : Class 8
a only noobs

Ans 4:

Class : Class 6
both a

Ans 5:

Class : Class 7
Both A

Ans 6:

Class : Class 6
as written in lakhmir singh the answer should be (C)

Ans 7:

Class : Class 9
Answer can be A or C

Ans 8:

Class : Class 10
a and c is correct

Ans 9:

Class : Class 7

Ans 10:

Class : Class 7
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

Ans 11:

Class : Class 8

Ans 12:

Class : Class 6
the ans can be both A and C

Ans 13:

Class : Class 8

Ans 14:

Class : Class 6
aaaaaaaaaaaaaaaaaaaaaaaaa

Ans 15:

Class : Class 8

Ans 16:

Class : Class 6
Both a and c are correct

Ans 17:

Class : Class 6
c

Ans 18:

Class : Class 5
the answer can be both a and c. scientifically both are correct

Ans 19:

Class : Class 8
No, only A is true

Ans 20:

Class : Class 6
3 trhing are truea c d

Ans 21:

Class : Class 7
Guys, it will be C as the answer statement of A is only half correct the light travels in a straight line, and due to the hole in the camera it inverts the image hence, the answer is c

Ans 22:

Class : Class 7
It can be a or c

Ans 23:

Class : Class 7
answer should be a or c

Ans 24:

Class : Class 7

Ans 25:

Class : Class 6
aaaaaaaaaaaaaa

Ans 26:

Class : Class 8
sorry I meant c

Ans 27:

Class : Class 8
not only a is true also b is true

Ans 28:

Class : Class 8

Ans 29:

Class : Class 8

Ans 30:

Class : Class 9
Ya Nishka you are right. C is the correct answer.

Ans 31:

Class : Class 3
In 'A', it only gives half the reason for why the image is inverted in a pin hole camera. I think that 'C' is correct as it is a correct statement.

Ans 32:

Class : Class 7

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 7
note and tone can be made

Ans 2:

Class : Class 8
note

Ans 3:

Class : Class 5
c

Ans 4:

Class : Class 6

Ans 5:

Class : Class 8

Ans 6:

Class : Class 8

Ans 7:

Class : Class 9
Ten on no to are words that can be formed

Ans 8:

Class : Class 9
Note,Tone 2 is the answer so, option is D

Ans 9:

Class : Class 6
the words are Note,Tone,To,On,No and Ten 6 is the answer so, option is D

Ans 10:

Class : Class 8

Ans 11:

Class : Class 6

Ans 12:

Class : Class 2

Ans 13:

Class : Class 6

Ans 14:

Class : Class 10
Thanks Harshit

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8
Pellagra

Ans 2:

Class : Class 7
Hey there! None of the options are correct.

Ans 3: (Master Answer)

Class : Class 1
scurvy, a deficiency of vitamin C. Beriberi is a disease caused by a vitamin B-1 deficiency Pellagra is a disease caused by low levels of niacin, also known as vitamin B-3 Rickets is caused by deficiency of Vitamin D Hence no answer is correct

Ans 4: (Master Answer)

Class : Class 1
scurvy, a deficiency of vitamin C. Beriberi is a disease caused by a vitamin B-1 deficiency Pellagra is a disease caused by low levels of niacin, also known as vitamin B-3 Rickets is caused by deficiency of Vitamin D Hence no answer is correct

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 9
It is stupid answer explanation

Ans 2:

Class : Class 8
Law of reflection:angle of incidence= angle of reflection This formula is only used when the angles are measured from the normal to the ray and not from the ray to the mirror. In this diagram we see that the angle is measured from the ray to the mirrot .The normal measures 90° so we need to subtract 90° from 35° to get the angle of incidence which is 55° . We now that angle of incidence= Angle of reflection hence the answer will be 55°

Ans 3:

Class : Class 10
Dude it should be 35 degree as angle of incidence = angle of reflection the solution is wrong

Ans 4:

Class : Class 6

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