National Science Olympiad Forum By SOF Olympiad Trainer - Page 57
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Ashwak from Cambridge, Jalandhar
Subject :NSO    Class : Class 4

Ans 1:

ADVAY Rustagi from Vidyashilp Academy , Bengaluru
Class : Class 5
SCISSORS ARE : WEDGE, SCREW

Ans 2:

Ashwak from Cambridge, Jalandhar
Class : Class 9
Admin is correct

Ans 3:

Mohhika Sharma from Delhi Public School Greater Noida, Greater Noida
Class : Class 7
I think that he/she is.

Ans 4:

Om Satish Punse from Terna Orchid the international school koparkhairne, Navi mumbai
Class : Class 7
What are first class levers and second class levers?

Ans 5:

Mohhika Sharma from Delhi Public School Greater Noida, Greater Noida
Class : Class 7
Well, why don't they teach all this stuff in the synopsis?!They should, but, Admin from revisewise is correct.

Ans 6:

Kavin from ISG , Muscat, Muscat
Class : Class 5
snow white are you too selected this year 2020-2021

Ans 7:

Sanaya Singh from Hiranandani Foundation, Mumbai
Class : Class 2
The person called admin is correct

Ans 8: (Master Answer)

from ,
Class :

B

Tweezers are third class lever whereas see-saw, crowbar and scissors are first class levers.


Ans 9:

Syed Hrehaan Ahamed from Bahrain Indian School, Manama
Class : Class 8

Ans 10:

Mohhika Sharma from Delhi Public School Greater Noida, Greater Noida
Class : Class 7

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ZEHRA MAZHAR from GAIL D A V SCHOOL PUBLIC SCHOOL, AURAIYA
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

from ,
Class :

B

A. Incorrect - The first metro service was inaugurated in Kolkata in 1984 by former Prime Minister Indira Gandhi.
B. Correct 
C. Incorrect - Transport facilities are necessary for International trade.
D. Incorrect - Auto rickshaw are used by passengers to travel short distances in the same city or village.


Ans 2:

SWARIT JAIN from DPS Greater Noida, GREATER NOIDA
Class : Class 9
ADMIN YOUR MASTER ANSWER CORRECT

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Shashwat Srivastava from Shanti Asiatic School, Ahmedabad
Subject :NSO    Class : Class 4

Ans 1:

Aanya Mehta from Gems Modern Academy, South City -2, Gurgaon, Gurgaon
Class : Class 4
AANYA MEHTA CLASS : 4 GMA ANSWER SHOULD BE D BAKED .

Ans 2:

Abhigyan Sinha from Podar International School, Powai, Mumbai, Mumbai
Class : Class 7
correct answer is D

Ans 3:

Tushara from Sesame, Bangalore
Class : Class 5
Idli is steamed to make it softer

Ans 4:

Ritwika Biswas from KV no 1 , Goa
Class : Class 7
yes it is bake

Ans 5:

Twisha Arora from Modern Vidya Niketan, Sector - 17, Faridabad, Haryana, FARIDABAD
Class : Class 7
Pizza is neither steamed like idli nor fried like puris. It is also not boiled but, it is baked in an oven or microwave.

Ans 6:

Twisha Arora from Modern Vidya Niketan, Sector - 17, Faridabad, Haryana, FARIDABAD
Class : Class 7

Ans 7:

A Venkata Sai Pranav from Podar International School, Bhusawal
Class : Class 9

Ans 8:

Shashwat Srivastava from Shanti Asiatic School, Ahmedabad
Class : Class 5
Pizza is always baked in a oven because for a better taste.

Ans 9:

Midhuna from ABCD, Banglore
Class : Class 3
yup its baking

Ans 10:

Ritwika Biswas from KV no 1 , Goa
Class : Class 7

Ans 11:

Aarvi Gosai from The New Tulip International School, Ahemdabad
Class : Class 5
this is an egg so eggs are also fryed and boiled

Ans 12:

Shashwat Srivastava from Shanti Asiatic School, Ahmedabad
Class : Class 5

Ans 13:

Bhavni Oberoi from Amity International School, Visakhapatnam
Class : Class 4
I thought it was a boiled egg so I selected boiling, it was idli

Ans 14:

somesh from Centre point katol road, Nagpur
Class : Class 6
Baking

Ans 15:

ISHAN DAS from DELHI PUBLIC SCHOOL , ANGUL
Class : Class 4

Ans 16:

DEVAANGANA SARDAR from G.D. Birla Centre for Education, Kolkata
Class : Class 7
I thought it was an omelette so I selected frying but later I saw it was a pizza, If they could have written pizza, I would have surely selected baking.

Ans 17:

Ashlynn Bhatia from Modern Vidya Niketan Sr. Secondary School Sector - 17, FARIDABAD
Class : Class 4
I thought the same as

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Anika S Kumar from Alphabets International school , Chennai
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

from ,
Class :

C

The hindi names of Venus, Mars, Neptune and Saturn are Shukra, Mangal, Varun and Shani respectively.


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Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Subject :NSO    Class : Class 4

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Bibhujyoti Rout from SAI INTERNATIONAL SCHOOL, BHUBANESWAR
Subject :NSO    Class : Class 4

Ans 1:

Gunnit Kant from DPS, Nerul, Navi Mumbai
Class : Class 7
A

Ans 2: (Master Answer)

from ,
Class :

A


Ans 3:

Yatindra G from SBOA, Chennai
Class : Class 4
the answer is C " (a)- 2 (b)- 1 (c)- 4 (d)- 5 (e)- 3".

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Anika S Kumar from Alphabets International school , Chennai
Subject :NSO    Class : Class 4

Ans 1:

Twisha Arora from Modern Vidya Niketan, Sector - 17, Faridabad, Haryana, FARIDABAD
Class : Class 7
(Master Answer)The correct answer is D.

Ans 2:

Muhammad Ibrahim Siddiqui from The Millennium School - Dubai, DUBAI
Class : Class 7
babuski

Ans 3: (Master Answer)

from ,
Class :

D

When the water of beakers X and Y will be mixed, the final temperature will be somewhere between 50°C-80°C. So the temperature will be < 80°C after an hour.


Ans 4:

Muhammad Ibrahim Siddiqui from The Millennium School - Dubai, DUBAI
Class : Class 7

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Aarnav Grover from Anand Niketan Shilaj, Ahmedabad
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

from ,
Class :

C

In the given figure P, Q, R and S represent different layers of Earth, i.e., crust, upper mantle, lower mantle, outer core and inner core respectively. 


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Naitik Jindal from DELHI PUBLIC SCHOOL RK PURAM, DELHI
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

from ,
Class :

C

Heart, artery and vein of group X are part of circulatory system. Brain and spinal cord of group Y are part of nervous system while liver is a part of digestive system. Kidney, lung and skin of group Z are part of excretory system. Hence, liver cannot be placed in group Y.


Ans 2:

Aarav Chopra from Springdales School, Pusa Road, New Delhi
Class : Class 10
Heart ,artery and veins as you all know are parts of circulatory system . Thus, there is no odd one out in group X. Brain and spinal cord run your nervous system and liver helps in the digestive system . Kidney , skin and even lungs are part of excretory system so group Z is clear .Thus , option 'C' liver is the odd one out as it cannot be placed in group Y .

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Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Subject :NSO    Class : Class 4

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