National Science Olympiad Forum By SOF Olympiad Trainer - Page 119
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Sudip from DPS Gurgaon, New Delhi
Subject :NSO    Class : Class 4

Ans 1:

Pranati Choudhury from Saint Joseph School, Kendrapara
Class : Class 7
The full form of IAU is International Association of Universities

Ans 2:

Sudip from DPS Gurgaon, New Delhi
Class : Class 4
The full of IAU is International Astronomical Union.

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Sudip from DPS Gurgaon, New Delhi
Subject :NSO    Class : Class 4

Ans 1:

Namratha from JGRVK, Bengaluru
Class : Class 5
uranus

Ans 2:

Pranati Choudhury from Saint Joseph School, Kendrapara
Class : Class 7
Jupiter has 3 rings. Uranus has 13 rings. Neptune has 5 rings

Ans 3:

Sudip from DPS Gurgaon, New Delhi
Class : Class 4
The full form of IAU is International Astronomical Union.

Ans 4:

ARNAV GARG from PRUDENCE SCHOOL, New Delhi
Class : Class 10
Uranus

Ans 5:

SHREYAS ANDOTRA from RYAN INTERNATIONAL SCHOOL, CHANDIGARH
Class : Class 8
Jupiter has 3 Rings, Uranus has 13 Rings, Neptune has 6 Rings & Saturn has 12 Rings.

Ans 6:

Rishit kunwar from Dps mathura road, New Delhi
Class : Class 4
Uranus

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Parag Talsonia from DAV Public School, Jamshedpur
Subject :NSO    Class : Class 4

Ans 1:

Sohum Saha from DAV Model School Durgapur, Durgapur
Class : Class 7
The fusion of pollen and egg cell leads to the formation of seed. Fusion of pollen and egg cell results in the formation of an embryo that further develops into a seed.

Ans 2:

MANASVI SINHA from Bal Bharati Public School, NTPC -Sipat, Bilaspur
Class : Class 4
D: Sunflower

Ans 3:

Sushil Kumar from dpsnoida, Noida
Class : Class 7
Sunflower

Ans 4:

Shubham Singhal from St. Mary's Sr. Sec. School, New Delhi
Class : Class 7
sunflower

Ans 5:

Pranati Choudhury from Saint Joseph School, Kendrapara
Class : Class 7
Option D Sunflower

Ans 6:

ishan from delhi public school kalinga, Cuttack
Class : Class 5
Option D

Ans 7:

ishan from delhi public school kalinga, Cuttack
Class : Class 5
Option D

Ans 8:

Freddin.J from don bosco school of excellence,chennai, Chennai
Class : Class 4
sunflower

Ans 9:

Sohum Saha from DAV Model School Durgapur, Durgapur
Class : Class 7
Sunflower is a day-blooming flower. It grows best in full sunlight. Sunflower oil is extracted from its seeds, which is widely used in cooki ng.

Ans 10:

Dibyanshu Dibyajyoti Das from TATA DAV Public School, Joda,Keonjhar
Class : Class 5
D : Sunflower

Ans 11:

mitra from dav model school, Durgapur
Class : Class 5
D: sunflower

Ans 12:

Vansh Goel from Spring Dale Senior School, AMRITSAR
Class : Class 7
sunflower

Ans 13:

Nandana from St Thomas Residential School, Trivandrum
Class : Class 10
Sunflower

Ans 14:

M.MURUKESH from KV no:1 Jipmer Campus, Puducherry, Puducherry
Class : Class 4
Sunflower

Ans 15:

Namratha from JGRVK, Bengaluru
Class : Class 5
sunflower

Ans 16:

Krupaal M Shankar from Sri Vidya Mandir Education Society Malleswaram Bangalore, Bengaluru
Class : Class 9
D: Sunflower

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Parag Talsonia from DAV Public School, Jamshedpur
Subject :NSO    Class : Class 4

Ans 1:

Pranati Choudhury from Saint Joseph School, Kendrapara
Class : Class 7
Option A. seed

Ans 2:

mitra from dav model school, Durgapur
Class : Class 5
A: Seed

Ans 3:

Sohum Saha from DAV Model School Durgapur, Durgapur
Class : Class 7
The fusion of pollen and egg cell leads to the formation of seed. Fusion of pollen and egg cell results in the formation of an embryo that further develops into a seed.

Ans 4:

M.MURUKESH from KV no:1 Jipmer Campus, Puducherry, Puducherry
Class : Class 4
Seed

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Parag Talsonia from DAV Public School, Jamshedpur
Subject :NSO    Class : Class 4

Ans 1:

Sarthak Kumar from Delhi Public School, INDORE
Class : Class 7
D . FERN AND TULSI

Ans 2:

Ananya from Delhi Public School, Meerut
Class : Class 7
D: Fern and tulsi

Ans 3:

Sohum Saha from DAV Model School Durgapur, Durgapur
Class : Class 7
Fir and pine are non- flowering plants. Hence, the correct option is A.

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Parag Talsonia from DAV Public School, Jamshedpur
Subject :NSO    Class : Class 4

Ans 1:

ISHAAN PRIYADARSHI from G D Goenka School, New Delhi
Class : Class 4
MARS

Ans 2:

mitra from dav model school, Durgapur
Class : Class 5
D: sunflower and marigold

Ans 3:

AMBALIKAA from LOYOLA SCHOOL BHUBANESWAR, Bhubaneswar
Class : Class 7
d

Ans 4:

Sohum Saha from DAV Model School Durgapur, Durgapur
Class : Class 7
Sunflower and marigold are naturally yellow in colour. Both of them are used for making yellow dye. Thus, the worker should choose sunflower and marigold flowers for making yellow dye. Hence, the correct answer is D.

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Shweta Basu from Amity international School, Gurgaon
Subject :NSO    Class : Class 4

Ans 1:

Sayan from DPS, Gurgaon
Class : Class 6
Kilogram

Ans 2:

Anu Sharma from DPS Noida, Noida
Class : Class 2
Kilogram

Ans 3:

MANASVI SINHA from Bal Bharati Public School, NTPC -Sipat, Bilaspur
Class : Class 4
Kilogram

Ans 4:

AMBALIKAA from LOYOLA SCHOOL BHUBANESWAR, Bhubaneswar
Class : Class 7
S.I unit of mass is kilogram and S.I unit of weight is newton

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Shweta Basu from Amity international School, Gurgaon
Subject :NSO    Class : Class 4

Ans 1:

AMBALIKAA from LOYOLA SCHOOL BHUBANESWAR, Bhubaneswar
Class : Class 7
There are two types of thermometer - Celcius or centigrate thermometer and ferenrite thermometer. The ferenrite is usually used to measure our core body temperature

Ans 2:

Sarthak Kumar from Delhi Public School, INDORE
Class : Class 7
TEMPERATURE IT HAS 2 TYPES = ROOM TEMPERATURE MEASURES THE ROOM TEMPERATURE BODY TEMPERATURE MEASURES THE BODY TEMPERATURE

Ans 3:

Freddin.J from don bosco school of excellence,chennai, Chennai
Class : Class 4
temparature

Ans 4:

Namratha from JGRVK, Bengaluru
Class : Class 5
temparature

Ans 5:

Anu Sharma from DPS Noida, Noida
Class : Class 2
Temperature

Ans 6:

MANASVI SINHA from Bal Bharati Public School, NTPC -Sipat, Bilaspur
Class : Class 4
Temperature

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meenakshi from St Columba School, delhi
Subject :NSO    Class : Class 4

Ans 1:

Shriyans from DPS Raipur, Raipur
Class : Class 7
Mars

Ans 2:

MANASVI SINHA from Bal Bharati Public School, NTPC -Sipat, Bilaspur
Class : Class 4
B. Frictional Force

Ans 3:

Shriyans from DPS Raipur, Raipur
Class : Class 7
B] Frictional force

Ans 4:

KAZA LOHITAKSH from Srimathi Sundaravalli Memorial school , Chennai
Class : Class 4
B.Frictional Force

Ans 5:

Shriyans from DPS Raipur, Raipur
Class : Class 7
Mars

Ans 6:

AMBALIKAA from LOYOLA SCHOOL BHUBANESWAR, Bhubaneswar
Class : Class 7
b . We use friction in three types - Static friction , Sliding friction , Rolling friction. Here we are using sliding friction .

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meenakshi from St Columba School, delhi
Subject :NSO    Class : Class 4

Ans 1:

KAZA LOHITAKSH from Srimathi Sundaravalli Memorial school , Chennai
Class : Class 4
A.Hot,Summer

Ans 2:

SHREYAS ANDOTRA from RYAN INTERNATIONAL SCHOOL, CHANDIGARH
Class : Class 8
A Hot , Summer

Ans 3:

AMBALIKAA from LOYOLA SCHOOL BHUBANESWAR, Bhubaneswar
Class : Class 7
a. Because woollen clothes trap air and make us feel warm.

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