National Science Olympiad Forum By SOF Olympiad Trainer - Page 35
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Ashwak from Cambridge, Jalandhar
Subject :NSO    Class : Class 4

Ans 1:

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

Ans 2:

Ashwak from Cambridge, Jalandhar
Class : Class 8
Admin is correct

Ans 3:

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

Ans 4: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

B

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


Ans 5:

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

Ans 6:

Om Satish Punse from Terna Orchid the international school koparkhairne, Navi mumbai
Class : Class 5
What are first class levers and second class levers?

Ans 7:

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

Ans 8:

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

Ans 9:

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.

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

Ans 1:

SWARIT JAIN from DPS Greater Noida, GREATER NOIDA
Class : Class 8
ADMIN YOUR MASTER ANSWER CORRECT

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

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.


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

Ans 1:

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

Ans 2:

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

Ans 3:

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 4:

DEVAANGANA SARDAR from G.D. Birla Centre for Education, Kolkata
Class : Class 6
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 5:

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

Ans 6:

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

Ans 7:

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

Ans 8:

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 9:

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

Ans 10:

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

Ans 11:

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

Ans 12:

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

Ans 13:

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

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

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

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:

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

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

A


Ans 3:

Gunnit Kant from DPS, Nerul, Navi Mumbai
Class : Class 8
A

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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 6

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

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 6
babuski

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

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

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:

Aarav Chopra from Springdales School, Pusa Road, New Delhi
Class : Class 7
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 .

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

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.


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

Which of the following vehicles runs on diesel or petrol?

A
B
C
DAll of these


If bikes have a small engine they will work on petrol only. If cars have medium engine they will work on both petrol and diesel. If trucks have large engine they will work on diesel only.CC of: Bikes: 100 CC Cars: 1000 CC Trucks: 2000 CC And how can you relate all of this with electricity? You have given nowadays cars run on CNG, solar energy and electricity! HOW IN THE WORLD CAN YOU RELATE PETROL AND DIESEL with SOLAR ENERGY AND ELECTRICITY? This question has a simple answer. If you think D answer the questions listed below. 1. Does truck run on petrol? No. 2. Does car run on both petrol and diesel? Yes. 3. Does motorbike run on diesel? No. So answer is A So simple it is!!! If you think D please explain it to me If you think A please do agree

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