National Science Olympiad Forum By SOF Olympiad Trainer - Page 469

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
Correct answer is what

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7

Ans 2:

Class : Class 10
HERE CORRECT ANSWER IS GIVEN AS B THAT IS 0.58

Ans 3:

Class : Class 5
I didn't understand the questionPlease explain🙏🙏🙏

Ans 4:

Class : Class 7

Ans 5:

Class : Class 7
shouldn't the answer be 0.75 m per sec??

Ans 6:

Class : Class 1
It moved only 7m not 9m. It started from 2m. Refer the solution also

Ans 7:

Class : Class 4
how come, Some one pls explain

Ans 8:

Class : Class 7
2.17

Ans 9:

Class : Class 7
the answer is not 0.75 because the object was at rest till 5 sec then the object starts moving from 2m to 9m so total distance traveled will be 7 m so 7/12 is not equal to 0.75

Ans 10:

Class : Class 9
how is this 2.17,can you explain,we got 0.48

Ans 11:

Class : Class 7
The answer should be 0.75, the options provided are wrong

Ans 12:

Class : Class 8
answer should be 0.48

Ans 13:

Class : Class 8
2.17 is the answer

Ans 14:

Class : Class 7

Ans 15:

Class : Class 4
can some one pls explain

Ans 16:

Class : Class 4
I think 0.75, though not in options

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
D

Ans 2:

Class : Class 4
why it is D

Ans 3:

Class : Class 4

Ans 4:

Class : Class 5

Ans 5:

Class : Class 5

Ans 6:

Class : Class 5
a

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
Some sharks lay eggs ( oviparous )and leave them in the water, some give birth to the babies (viviparous) and some lay eggs and have them hatch inside the mother and the baby sharks leave after they are old enough (ovoviviparous)

Ans 2:

Class : Class 5
shark does not lay eggs

Ans 3:

Class : Class 5

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
C is the answer

Ans 2:

Class : Class 5
C is the answer

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 9
It is a

Ans 2:

Class : Class 7
answer is a

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 9
The correct answer is C

Ans 2:

Class : Class 7
correct ans is C

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
Let’s check the given characteristics and find the one which isn’t similar between Earth and Moon:1.Both do not give off light of their own ----- Correct. Earth is a planet. Moon is a natural satellite of Earth. They do not give off light of their own. Only stars give off light of their own.2.Both are round in shape ----- Incorrect. Since the Earth is flattened at the poles and bulges at the Equator, its shape appears to be oblate spheroid. This is because the Earth rotates on its shorter axis. Moon is also oblate spheroid, meaning it has the shape of a ball that is slightly flattened.3. Both are Sun's satellite ----- Incorrect. A satellite is anything that orbits around a larger object. Earth is a satellite of Sun because it revolves around the sun. But Moon is the satellite of Earth, not Sun, because it orbits around the Earth.4. Both have gravitational pull ----- Correct. Both Earth and Moon have gravitational pull, though Earth’s gravitational pull is 6 times greater than Moon’s.This shows Only Statements 2 and 3 are correct. Hence, the right answer is Option B.

Ans 2:

Class : Class 7
C

Ans 3:

Class : Class 6
Correct answer is B as Earth is not round as Moon. This answer is also correct because Moon is not a satellite of the Sun but Earth is.

Ans 4:

Class : Class 7

Ans 5:

Class : Class 6

Ans 6:

Class : Class 7
Srivasta, you are wrong. The answer would be B because the earth isn't round. It is geoid in shape i.e flattened from the poles and bulge in the middle. This answer is also justified as the earth is not the sun's satellite.

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