National Science Olympiad Forum By SOF Olympiad Trainer - Page 681

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 9
the answer is c crickets donot have backbone. fish obviously has backbone snakes have flexible backbone(cartilage) and all reptiles have backbone

Ans 2:

Class : Class 10
According to scientific facts all reptiles have backbone . If they didn't have a backbone they couldn't crawl .

Ans 3:

Class : Class 3
Option D has a backbone for sure so the answer should be either A,B or C.

Ans 4:

Class : Class 5
i think it is option a b and c

Ans 5:

Class : Class 8
D

Ans 6:

Class : Class 2
According to Known Scientific facts options a) b) and c are non vertebrate so why are Options a and b are not part of right answer? At times quality of questions raise a doubt about due diligence being put in articulating the questions .

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1
The correct answer is D.

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 2
d because Mary is only 1 year 5 months old and Punit is 1 year 6 months old

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 6

Ans 2:

Class : Class 4
Using the person's perspective, even A is correct. So the answer is D.

Ans 3:

Class : Class 6

Ans 4:

Class : Class 6
it is D because both of the ways lead her to the bus stop

Ans 5:

Class : Class 4
Answer D

Ans 6:

Class : Class 7
Answer should be D

Ans 7:

Class : Class 6
it would not be D as in D there is straight,so,she would move straight then right ,she would turn right, but will not go or move right!So to move her there should be 'straight' after every instruction.Hence,there is no straight after every instruction,it is not 'D'.

Ans 8:

Class : Class 9
The answer B is correct ..... She cannot reach at the Bus Stop if she follows the directions in option A........

Ans 9:

Class : Class 2
B

Ans 10:

Class : Class 10
Answer is D

Ans 11:

Class : Class 4
Yes both A and B are correct. Answer is D.

Ans 12:

Class : Class 8
it should be d cause of the directions in a

Ans 13:

Class : Class 7

Ans 14:

Class : Class 9
Answer should be D

Ans 15:

Class : Class 9
D

Ans 16:

Class : Class 4
Both 'A' and 'B' are correct So answer should be 'D'

Ans 17:

Class : Class 5
answer should be d. You are wrong ashwak and gopikrishna.

Ans 18:

Class : Class 9
Answer is D

Ans 19:

Class : Class 9
Answer should be D as from both options A and B she can reach the bus stop.

Ans 20:

Class : Class 4
Answer is D as both A and B are correct.

Ans 21:

Class : Class 6
D is the correct ans

Ans 22:

Class : Class 5
The answer is D as the both option A and B reaches her to the bus stop.

Ans 23:

Class : Class 7
Can you tell the answer to this question

Ans 24:

Class : Class 4
B IS CORRECT BECAUSE IF SHE GOES WITH OPTION.-A, C, D AS IN A IT HAD MISSED ONE LINE THAT IS STAIRTH. GOPI KRISHNA CLASS. 4 SEC A GOLD MEADALIST.

Ans 25:

Class : Class 5
THe answer is c

Ans 26:

Class : Class 6

Ans 27:

Class : Class 9
d

Ans 28:

Class : Class 7
It's 'D' because she will turn right as shown in the given figure

Ans 29:

Class : Class 10

Ans 30:

Class : Class 4

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 8
the answer is D because it is full moon you brainless idiot,Shivam Dave

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 9
See...it has to be B as the bacteria doubles every minute...considering this if the cup is full at 60 minutes, it has to be half 1 minute ago, i.e, 59 minutes

Ans 2:

Class : Class 8

Ans 3:

Class : Class 8

Ans 4:

Class : Class 8

Ans 5:

Class : Class 9
it should be 59 minutes as amoeba undergoes binary fission every minute. therefore,half of the jar will be filled in 59 minutes.after a minute it undergoes binary fission and fills the jar.

Ans 6:

Class : Class 8

Ans 7:

Class : Class 4

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Subject :NSO    Class : Class 9

Ans 1:

Class : Class 9
A is correct and.

Ans 2:

Class : Class 5
Hi all, The answer is B. As first, nitrate convert into nitrite i.e. X. Then by denitrifying bacteria, nitrite gets converted into atmospheric nitrogen i.e. Y. After decomposition of dead plants and animals, complex nitrogen gets converted into ammonia by ammonification i.e. Z.

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Subject :NSO    Class : Class 7

Ans 1: (Master Answer)

Class : Class 1
The correct answer is B.

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