National Science Olympiad Forum By SOF Olympiad Trainer - Page 58
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S Malhotra from SFS , New Delhi
Subject :NSO    Class : Class 3

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Arshiyan from Babaji Vidhyashram, Chennai
Subject :NSO    Class : Class 3

Ans 1:

Ansh Bangad from woodridge high school, aurangabad
Class : Class 6

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Sattwik Pal from Kendriya vidyalaya 1 Salt lake, Kolkata
Class : Class 3
potty

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Het Aryan from Podar International School , Pune
Subject :NSO    Class : Class 8

A boy set up an experiment as shown in the diagram. As he slide the magnet across the wooden board, the ball bearing followed the magnet’s movement and direction. What does the experiment show?

(i) Magnetic force can be seen due to friction between ball bearing and wooden board.
(ii) Friction and gravity help to move the ball bearing.
(iii) The ball bearing is made of a magnetic substance.
(iv) Magnetic force can pass through the wooden board.

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


Tricky

Ans 1:

Het Aryan from Podar International School , Pune
Class : Class 9

Ans 2:

Het Aryan from Podar International School , Pune
Class : Class 9
Tricky

Ans 3:

Het Aryan from Podar International School , Pune
Class : Class 9

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Aaryaman Singh from Lawrence High School ICSE, Bengaluru
Subject :NSO    Class : Class 8

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Jigisha Tripathy from Prakash Higher Secondary School, AHMEDABAD
Subject :NSO    Class : Class 5

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Het Aryan from Podar International School , Pune
Subject :NSO    Class : Class 8

Read the given paragraph.

The cytoplasm of the cells of a tomato plant contains organelle X having different pigments. Pigment Y present in leaves of plant and impart green colour whereas pigment Z present in fruits of plant and impart red colour.
Select the option which correctly identifies X, Y and Z.

X Y Z
A Plastid Leucoplast Chromoplast
B Plastid Chloroplast Chromoplast
C Plastid Chloroplast Leucoplast
D Plastid Chromoplast Chloroplast


Ans 1:

Het Aryan from Podar International School , Pune
Class : Class 9

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Shashank V from Venkat International Public School, Bengaluru
Subject :NSO    Class : Class 5

Match column I (nutrient) with column II (function) and column III (deficiency symptom) and select the correct option from the given codes.

  Column I   Column II   Column III
P. Vitamin C (i) For normal
functioning of
thyroid glands		 (a) Anaemia
Q. Iodine (ii) Maintains normal
vision		 (b) Scurvy
R. Iron (iii) Helps in keeping
gums and joints
healthy		 (c) Goitre
S. Vitamin A (iv) Required
for haemoglobin
formation		 (d) Night blindness

AP - (iii) - (b); Q - (i) - (c); R - (iv) - (a); S - (ii) - (d)
BP - (ii) - (c); Q - (i) - (d); R - (iii) - (a); S - (iv) - (b)
CP - (iv) - (a); Q - (ii) - (c); R - (i) - (b); S - (iii) - (d)
DP - (i) - (b); Q - (iv) - (a); R - (iii) - (c); S - (ii) - (d)


Ans 1:

Mukta Pundir from ,
Class : Class 5
Correct answer is showing a but I wrote a only

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Dhruv Malekar from orchida School, Pune
Subject :NSO    Class : Class 3

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Vaishnavi Sharma from Holy Angels ISC school , THIRUVANANTHAPURAM
Subject :NSO    Class : Class 7

Ans 1:

Aryam Singh from Palladium School , Hisar
Class : Class 7

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Saatvik Singh from Satya Prakash Public School, Jabalpur
Subject :NSO    Class : Class 6

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