National Science Olympiad Forum By SOF Olympiad Trainer - Page 52
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Anjishnu Kamboj from ST.XAVIER SEC SE CO ed Bhopal, BHOPAL
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

C

 In the life cycle of butterflies etc., egg hatches to produce a young one called a larva which looks like a worm. After some days, it changes into pupa which finally turns into an adult.


Ans 2:

Vihaan Nair from Ambassador School, DUBAI
Class : Class 8

Ans 3:

Yashraj Namdev Deshmukh from Sahyadri English School, Loha, Nanded
Class : Class 8
C)

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shubhavi Dhondge from NPS, Banagalore
Subject :NSO    Class : Class 4

Ans 1:

Naisha Gupta from DPS School, Khajaguda, Hyderabad
Class : Class 4
That is what google says

Ans 2:

Aditya Nair from TSA, Bangalore
Class : Class 4
The correct answer is: D

Ans 3:

Vedant from TSVS, Bhopal
Class : Class 4
If A and B are INCORRECT, then it means D is CORRECT. Then, how can D be the INCORRECT option?

Ans 4:

Aaryav Misra from Vibgyor High, Bengaluru
Class : Class 4
Doesn't hot air rise up from the land and cold air take up the hot air's place?

Ans 5:

Naisha Gupta from DPS School, Khajaguda, Hyderabad
Class : Class 4
D

Ans 6:

Naisha Gupta from DPS School, Khajaguda, Hyderabad
Class : Class 4
Winds actually blow from areas of higher pressure to areas of lower pressure, not the reverse

Ans 7:

shubhavi Dhondge from NPS, Banagalore
Class : Class 9

Ans 8:

Naisha Gupta from DPS School, Khajaguda, Hyderabad
Class : Class 4
.

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shubhavi Dhondge from NPS, Banagalore
Subject :NSO    Class : Class 4

Ans 1:

SWARIT JAIN from DPS Greater Noida, GREATER NOIDA
Class : Class 9
all are correct

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Ashwak from Cambridge, Jalandhar
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

D


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Saathvik Sriram from euroschool whitefield, Bangalore
Subject :NSO    Class : Class 4

Ans 1:

SWARIT JAIN from DPS Greater Noida, GREATER NOIDA
Class : Class 9
a and d are correct

Ans 2:

Ashwak from Cambridge, Jalandhar
Class : Class 9
Firstly , ( Sugar and Water ) and Pebbles can be separated through Filtration Secondly , Sugar and Water can be separated by Evaporation So , the answer is Option (A)

Ans 3:

Priyanka from ,
Class : Class 4

Ans 4:

suhana priyadarsini nayak from Orchid international school , Bengaluru
Class : Class 6
Sorry but for the explanation a and d are not correct because first we have to follow the filtration process to separate pebbles and then use evaporation process

Ans 5:

Priyanka from ,
Class : Class 4

Ans 6:

Iniyan from Indian public school, Salem
Class : Class 5
A and d are correct

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Ashwak from Cambridge, Jalandhar
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

C

The animal shown here is polar bear. They have a fat layer under skin and a layer of fur over it to protect them from cold.


Ans 2:

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

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Ashwak from Cambridge, Jalandhar
Subject :NSO    Class : Class 4

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Ashwak from Cambridge, Jalandhar
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

D

There two 'S' in the word 'COSMOS' so, 'COSMOS' cannot be made from the given word.


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Ashwak from Cambridge, Jalandhar
Subject :NSO    Class : Class 4

Ans 1: (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 2:

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

Ans 3:

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

Ans 4:

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

Ans 5:

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 6:

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

Ans 7:

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

Ans 8:

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 9:

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

Ans 10:

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

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

Ans 1: (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.


Ans 2:

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

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