National Science Olympiad Forum By SOF Olympiad Trainer - Page 621

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
no...calamine solution is a base...amla is ascorbic acid.

Ans 2:

Class : Class 7

Ans 3:

Class : Class 7
just replace error with year

Ans 4:

Class : Class 8

Ans 5:

Class : Class 7
In the answer D the number 2 is repeated twice, we mostly get confused by this silly mistake. you guys have posted this in the forum 2 years back but the SOF Olympiad still did not rectify the mistake. I am going to put this in the error box.

Ans 6:

Class : Class 7
Each time I put a doubt in the year box they send a reply ' enter a valid error.'

Ans 7:

Class : Class 10
Yes it is wrong

Ans 8:

Class : Class 7
No....you must have got it wrong maybe.....please check again... and let us know...

Ans 9:

Class : Class 8
the question is wrong

Ans 10:

Class : Class 10
Yeah

Ans 11:

Class : Class 7

Ans 12:

Class : Class 4
There must have been a misprint, the 2 must/should have been 3.

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
answer will be 10 ml

Ans 2:

Class : Class 5
i think 6 ml

Ans 3:

Class : Class 9

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Subject :NSO    Class : Class 1

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 8
B

Ans 2:

Class : Class 8

Ans 3:

Class : Class 7
According to my sense it's B median

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 8

What observation can be made by viewing the slides under the microscope on binary fission in Amoeba and budding in yeast?

AThe daughter cells of Amoeba are equal in size to the parent cell but the bud of yeast is smaller than its parent cell.
BThe daughter cells of Amoeba and the bud of yeast are of the same size as their respective parent cells.
CThe daughter cells of Amoeba are bigger than the parent cells but bud of yeast is smaller than the parents.
DNone of these.


Ans 1: (Master Answer)

Class : Class 1
The correct answer is D.

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 4
the answer could be d or c but im going to say C

Ans 2:

Class : Class 8
c

Ans 3:

Class : Class 3
Answer should be C

Ans 4:

Class : Class 7
it is very good i will go with d option

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Subject :NSO    Class : Class 4

Select the correct sequence of words to fill the blanks in the following sentences.
(A) ___1___ fibres do not absorb sweat.
(B) ___2___ and ___3___ wear white coats.
(C) ___4___ is the traditional dress of Korea.

----------1------------2-------------3-------------4
ANatural----Lawyers ----Doctors-----Kimono
BSynthetic--Policemen---Firemen----Mundu
CNatural-----Gardener ----Plumber----Phiran
DSynthetic---Doctors------Nurses------Hanbok


got confused😌

Ans 1:

Class : Class 5
Answer is D because one natural fiber,wool,absorbs sweat,hanbok is the traditional dress of Korea and doctors and nurses wear white coats.

Ans 2:

Class : Class 5
http://google0123.com/

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 8
THE CORRECT ASNWER SHOULD BE C because in (i) Sachin's starts the race from a non-zero speed which is practically impossible when a race starts

Ans 2:

Class : Class 9
Sachin in 1st one is at a constant speed from a particular period of time, till he finished his race.

Ans 3:

Class : Class 9
But at 1 sachin is at rest

Ans 4:

Class : Class 7
In 3, two traingles are not congruent.So,answer is A.

Ans 5:

Class : Class 8

Ans 6:

Class : Class 10

Ans 7:

Class : Class 8
it should be D) (i), (ii) and (iii) because all of them show them end at same time

Ans 8:

Class : Class 5
IN NO. 1 IS NOT SACHIN AT REST ?

Ans 9:

Class : Class 6

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Subject :NSO    Class : Class 7

Various technical terms related to respiratory system of different organisms are hidden in the given word grid.Which of the following is not present in the given word grid?


(i) The air tubes of insects.
(ii) Skeletal structure which protects the lungs.
(iii) The opening through which humans inhale air.
(iv) Small opening on the sides of the body of an insect.
(v) A flap like structure which covers the glottis at the time of swallowing in humans.
(vi) Respiratory organ of fish.

A(i) and (ii) only
B(ii), (v) and (vi) only
C(iii) and (iv) only
D(iv) and (v) only


nose isnt there

Ans 1:

Class : Class 9
ans is D cause vi)is gill ii)is ribcage iii)is trachaea

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