National Science Olympiad Forum By SOF Olympiad Trainer - Page 100
  1. Home
  2. /  Forum

User Forum

Ask Your Question
Adithi Keshava from National Center For Excellence , Bangalore
Subject :NSO    Class : Class 4

Ans 1:

Aditya N K from Bharathiya Vidya Bhavan, Calicut
Class : Class 4
what is pollination

Ans 2:

sanjana from NARAYANA E TECHNO , Chennai
Class : Class 8

Ans 3:

Advaita sinha from NPSI, Singapore
Class : Class 5

Ans 4:

Yatindra G from SBOA, Chennai
Class : Class 4
Guys!! Date palm grows in deserts. they are asking about a plant in hilly ares.

Ans 5:

Jasnoor from DAV public school, Ludhiana
Class : Class 4
A

Ans 6:

Kriti Bhonsale from Delhi Public School, Bengaluru
Class : Class 5

Ans 7:

Shreyansh Saha from Dps Megacity, Kolkata
Class : Class 6
Option D

Ans 8:

Sashrik S Bhalerao from NHP school, Airoli
Class : Class 1
D.

Ans 9: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is D.

Ans 10:

Harsh Sobti from the samhita academy, BLR
Class : Class 5
I go with Jasnoor's option. A

Ans 11:

sanjana from NARAYANA E TECHNO , Chennai
Class : Class 8

Ans 12:

Emma Miriam George from Sophia High School, Bangalore
Class : Class 3

Ans 13:

Ankush Dey from Sri Chaitanya Techno School Newtown, Kolkata
Class : Class 6
My Answer is DPollination is when pollen of a plant travels from one plant to another by something (i.e.Insect and water). Pollens are used to grow seeds in the plant

Ans 14:

Aarvi Gosai from The New Tulip International School, Ahemdabad
Class : Class 4
GMVIYHJ,OKHJFYJHIKOHARRYPOTTERRJVHMNHJGJJJGJYTGIJHIOKHHUJ TRY TO FIND A NOUN IN THIS JUMBLE OF WORDS

Post Your Answer

priyanshi gupta from opg world school , delhi
Subject :NSO    Class : Class 4

Ans 1:

Vihaan Nair from Ambassador School, DUBAI
Class : Class 8
I think B and D is correct.

Ans 2:

Jithisha Barapati from Dimensions, Hyderabad
Class : Class 4
D is correct

Ans 3:

PARTH PANCHAL from NEW HORIZON SCHOLARS SCHOOL, THANE
Class : Class 7
yes you are right

Ans 4:

LAVANYA DADHWAL from BLOOM PUBLIC SCHOOL, South West Delhi
Class : Class 9
D is correct

Ans 5:

Aarvi Gosai from The New Tulip International School, Ahemdabad
Class : Class 4
NONE of these is the correct answer

Ans 6:

Ridhan from SFS janakpuri, New Delhi
Class : Class 5
the answer is d

Ans 7:

Arnav kaul from Chirec, Hyderabad
Class : Class 2

Ans 8:

Pankaj Rajput from RBK GLOBAL SCHOOL, THANE
Class : Class 4

Post Your Answer

Sarthak yadav from RPS, Mahendragarh
Subject :NSO    Class : Class 4

Ans 1:

shibin joseph from ,
Class : Class 3

Ans 2:

Adnan from Nilgiri hills public school , Noida
Class : Class 5
I was thinking about body building food

Post Your Answer

avighna wuthoo from The bishop school , PUNE
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is B.

Ans 2:

Shourya from Euro, Bangalore
Class : Class 7
I don't get this question

Ans 3:

Khanak Jha from Prime Academy, Mumbai
Class : Class 4
I don't think so!!! it is A

Post Your Answer

avighna wuthoo from The bishop school , PUNE
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is A.

Post Your Answer

Sarthak yadav from RPS, Mahendragarh
Subject :NSO    Class : Class 4

Ans 1:

Dishita Santosh Walujkar from Nutan English School, Kurduwadi
Class : Class 7
yes,correct answer is C

Ans 2:

TARA NAUTIYAL from CONVENT OF JESUS AND MARY, DEHRADUN
Class : Class 4
Y for honey bee is not in the grid so it is option C

Ans 3:

vivaan sethi from GD goenka public school, Delhi
Class : Class 4
ADMIN YOU ARE VERY SMART

Ans 4: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
Well, the letter B is not present in the box. Hence, the honeybee can't be obtained. The correct answer is C.

Post Your Answer

ABHAY AGARWAL from ,
Subject :NSO    Class : Class 4

Rohit performed an experiment wherein he set up three test tubes as shown in the figure. Select the INCORRECT statement regarding this.


ATest tube P will have most carbon dioxide after three hours.
BTest tube Q will have least oxygen after three hours.
COrganisms in test tube R will survive for a longer time as compared to organisms in test tubes P and Q.
DNo oxygen will remain in test tube P after some time.


??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

Ans 1:

Dishita Santosh Walujkar from Nutan English School, Kurduwadi
Class : Class 7
B

Ans 2:

PARTH MEHTA from Navrachana school, Vadodara
Class : Class 6

Ans 3:

Ainesh das from Chrysalis, Bangalore
Class : Class 4

Ans 4:

Ibrahim Aslam from uttam, Ghaziabad
Class : Class 2

Ans 5:

avighna wuthoo from The bishop school , PUNE
Class : Class 7

Post Your Answer

ABHAY AGARWAL from ,
Subject :NSO    Class : Class 4

Ans 1:

Navya from Doon, Chandigarh
Class : Class 4

Ans 2:

Dishita Santosh Walujkar from Nutan English School, Kurduwadi
Class : Class 7
d

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is D.

Ans 4:

Annlisa Castlia from BPS, HYD
Class : Class 5

Ans 5:

adhiraj chaudhary from apeejay school noida, noida
Class : Class 3

Ans 6:

Satvik Agrawal from Delhi Public School, bhopal
Class : Class 5
why stomata?

Ans 7:

vivaan sethi from GD goenka public school, Delhi
Class : Class 4
Ans is D

Ans 8:

Annlisa Castlia from BPS, HYD
Class : Class 5
The correct answer is option D.

Ans 9:

Avyuktha S Kumar from Mt Litera Zee school, Mysuru
Class : Class 4
ans :d

Ans 10:

adhiraj chaudhary from apeejay school noida, noida
Class : Class 3
the correct answer is d

Post Your Answer

ABHAY AGARWAL from ,
Subject :NSO    Class : Class 4

Ans 1:

ABHAY AGARWAL from ,
Class : Class 3

Ans 2:

ANURADHA NAIR from SANDEEPANI VIDYA NIKETHAN SCHOOL, Thrissur
Class : Class 9
B IS THE ANSWER ANURADHA NAIR 4C

Post Your Answer

ABHAY AGARWAL from ,
Subject :NSO    Class : Class 4

Ans 1:

SAURISH from R.N. Podar, Mumbai
Class : Class 10
THE OPTION SHOULD HAVE BEEN CFC OR WE CAN TAKE THE OPTION D [NITROGEN] BUT IT IS SHOWING WRONG

Ans 2:

Mehvish Khursheed from DPSGV, ghaziabad
Class : Class 5
correct answer is CFC

Ans 3:

Rehaan Sejwal from Gyan Bharati school, Delhi
Class : Class 7

Ans 4:

SRISANTH from Edify, Tirupathi
Class : Class 5
Actually it is b ,as a is CNG(compressed natural gas which is a energy source that is not a greenhouse gas

Ans 5:

Shaurya Veer from Army Public School ASC C and C , Bangalore
Class : Class 10
The correct answer should be CFC

Ans 6:

Mohammad Shahid from Dayawati Modi International Maple Bear, Modipuram, Meerut 250110, Meerut
Class : Class 4
how the released gas from refrigerator is CO2

Ans 7:

Tanirika Bansal from DPS Faridabad, Faridabad
Class : Class 4
CFCS should be correct answer but I got it right

Ans 8:

Nishchita from Gems Modern Academy , Dubai
Class : Class 8
The answer is B as when we use electricity fuel gets burnt and so it produces carbon dioxide.

Ans 9:

BV Karthikeya from Sentia, Hyderabad
Class : Class 6

Ans 10:

Anahita Saxena from Ryan International School Pune, Pune
Class : Class 3
The Ans shud be B Carbon Dioxide. BBBBBBBBBBB

Ans 11:

Abhinav Kulkarni from National Centre For Excellence, Bengaluru
Class : Class 4
the ans should be CFC

Ans 12:

Adit Aggarwal from Vibgyor High, Bengaluru
Class : Class 5
The answer was supposed to be CFC .

Ans 13:

Anika S Kumar from Alphabets International school , Chennai
Class : Class 7
Chloro-fluro-carbon

Ans 14:

Mohhika Sharma from Delhi Public School Greater Noida, Greater Noida
Class : Class 7
I think the answer should be CFC but it is not in the options only.But I also think that it is CO2.

Ans 15:

BV Karthikeya from Sentia, Hyderabad
Class : Class 6
I GOT IT CORRECT

Ans 16:

Deepika from Vibgyor high, Mumbai
Class : Class 1
It should be CFCS

Ans 17:

ABHAY AGARWAL from ,
Class : Class 3

Ans 18:

Visakha Dhar from GD Goenka, jhajjar
Class : Class 3
the correct answer is CFCs .but is not mention in the option.

Ans 19:

somesh from Centre point katol road, Nagpur
Class : Class 6
It is CNG

Post Your Answer