National Science Olympiad Forum By SOF Olympiad Trainer - Page 199
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Subrata nayek from CBSC, ARAMBAGH
Subject :NSO    Class : Class 6

Ans 1:

SAMPAD BANERJEE from DELHI PUBLIC SCHOOL , BILASPUR
Class : Class 6

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Sarthak yadav from RPS, Mahendragarh
Subject :NSO    Class : Class 7

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Kaashvi Singh from TCIS , Bangalore
Subject :NSO    Class : Class 8

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Dheer Bedarker from Vibgyor high school, Vadodara
Subject :NSO    Class : Class 6

Study the given table carefully and select the correct statement regarding P, Q, R and S.

Rough
materials		 P Miscible
with water		 Translucent
Rock Graphite Vinegar Frosted
glass
Bark of
a tree		 Metal
spoon		 Milk Tracing
paper
Sand
paper		 Iodine
crystals		 R Oiled
paper
Q Copper
vessel		 Lemon
juice		 S

AP can be replaced by metallic materials and S can be replaced by clear water.
BQ can be replaced by pumice stone and R can be replaced by honey.
CP can be replaced by lustrous materials and S can be replaced by aluminium foil.
DBoth B and C


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Khanak Jha from Prime Academy, Mumbai
Subject :NSO    Class : Class 2

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Rishit goyal from St Peter's College, Agra
Subject :NSO    Class : Class 4

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Naisha from Brilliant public school b, Bilaspur
Subject :NSO    Class : Class 6

Ans 1:

Hitarth Bhardwaj from Teoler High School, Jaipur
Class : Class 6
lammeeeeeeeeee

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saimuel from bhavans Rajaji vidyashram , Chennai
Subject :NSO    Class : Class 1

Ans 1:

Swati Stalin from Yuvabharathi International School, Singapore
Class : Class 1
I think answer is B not C, moon will not raise on EAST and set on WEST

Ans 2:

Nithya Soman from The Charter School, Eranakulam
Class : Class 2
answaer should be B

Ans 3:

rudra shandil from Wishvashanti Gurukul, Alandi, Pune
Class : Class 2
Moon does not rise in east everyday. C is the wrong answer. B is right one

Ans 4:

Mohammad Ateeb Qaiser from D.A.V. PUBLIC SCHOOL, WALMI COMPLEX, patna
Class : Class 4
yes , answer should be B

Ans 5:

Abhiram Yerra from Vibgyor High, Mumbai
Class : Class 2
Sun and the moon both rise in the east and set in the west so C is correct

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Akshara from sishya OMR , chennai
Subject :NSO    Class : Class 6

Refer to the given dichotomous key.


ADeficiency of P causes a disorder called anaemia which can also be caused by deficiency of a vitamin known as B12.
BOur body is capable of manufacturing Q so we need not supplement it externally through our diet.
CDeficiency of R causes beriberi in children and pellagra in adults.
DS also helps in building resistance against infection in children and is found abundantly in citrus fruits.


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DIPTANGSU PARBAT from SOUTH POINT HIGH SCHOOL, Kolkata
Subject :NSO    Class : Class 7

Read the given statements and select the correct option.
(i) In insects, circulating body fluids serve to distribute oxygen to tissues.
(ii) Yeasts respire aerobically, therefore, they are used to make wine and beer.
(iii) Bronchitis is the inflammation of bronchi which may be caused on exposure to air pollutants.
(iv) In a healthy person, maximum capacity of lungs for inhaled air is 1500 mL.
(v) Sneezing expels the foreign particles from the inhaled air.

A Statements (i), (ii) and (iv) are incorrect, while statements (iii) and (v) are correct.
B Statements (i), (ii) and (iii) are incorrect, while statements (iv) and (v) are correct.
C Statement (ii) is incorrect, while statements (i), (iii), (iv) and (v) are correct.
D Statements (ii) and (v) are incorrect, while statements (i), (iii) and (iv) are correct.


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