National Science Olympiad Forum By SOF Olympiad Trainer - Page 329
  1. Home
  2. /  Forum

User Forum

Ask Your Question
Shreya Shruti from Airforce school , Bengaluru
Subject :NSO    Class : Class 3

Ans 1:

Iraj Singh from DPS Megacity, Kolkata
Class : Class 9
Plants grow well in loamy soil so the option A should have loamy soil as the correct answer.

Ans 2:

Shreya Shruti from Airforce school , Bengaluru
Class : Class 8

Ans 3:

Advita Ghelani from Rustomjee Cambridge, Mumbai
Class : Class 3
Plants grow well in it since they can retain water and are loosely held

Ans 4:

Arjun Gourineni from CHIREC International School, Hyderabad
Class : Class 7

Post Your Answer

Aarav Srivastav from DWPS , Noida Extension
Subject :NSO    Class : Class 6

Ans 1:

Vikram from AVM, Mumbai
Class : Class 5
Therefore none of the answers are right because tea leaves and polybags are are never incinerated

Ans 2:

Aarav Srivastav from DWPS , Noida Extension
Class : Class 7

Ans 3:

SHIRIN BHATTACHARYYA from St. Joseph's Convent School, KHANDWA
Class : Class 10

Ans 4:

Vikram from AVM, Mumbai
Class : Class 5
Polybags can never be incinerated ! pls check answers and dont confuse students

Ans 5:

Aarav Srivastav from DWPS , Noida Extension
Class : Class 7

Post Your Answer

Amol Athawale from WoodRidge High, aurangabad
Subject :NSO    Class : Class 8

Ans 1:

Amol Athawale from WoodRidge High, aurangabad
Class : Class 7

Ans 2:

Gaurish Singla from DPS School Sector 19, Faridabad
Class : Class 8

Ans 3:

Amol Athawale from WoodRidge High, aurangabad
Class : Class 7
how is cow dung cake an inexaustible resource?

Ans 4:

Garv T from Lilavatibai Podar, Mumbai
Class : Class 9
are forests and minerals really exhaustible resources?

Ans 5:

Antarik Maity from Bharatiya Vidyabhaban, Kolkata
Class : Class 8
How can cow dung cakes and forests and minerals be an exhaustible resource as cow dung cakes are available in abundance and it will be available till all the cows on the earth die and sane goes for the forests. Minerals are also available in abundance and they are definitely inexhaustible.

Ans 6:

Hprakash09 from Billabong high Bhopal, Bhopal
Class : Class 7
Forests and Minerals are DEFINETELY exhaustible resources, but Cow Dung Cakes are also exhaustable.

Post Your Answer

Vihaan kohli from MVN Aravali, Faridabad
Subject :NSO    Class : Class 3

Ans 1:

Advita Ghelani from Rustomjee Cambridge, Mumbai
Class : Class 3
Beena, Ashu and Shuchi because Kiwi, Ostrich, Emu cannnot fly Penguins have a thin coat of feathers All birds lay eggs THEY ALL HAVE BEAKS AND A BACKBONE

Ans 2:

SPRIHA SINGH from KV BEML Nagar, KGF
Class : Class 4
The correct answer is B.

Ans 3:

Ava from trio, bangalore
Class : Class 2
B

Ans 4:

Jivyan from KIIT world school, Gurgaon
Class : Class 3
b

Ans 5:

Shruti from ,
Class : Class 1
B

Ans 6:

Achyut Rai from THE KHAITAN SCHOOL, NOIDA
Class : Class 7
B

Ans 7:

AADYA TANDON from DPS NOIDA SEC-30, Noida
Class : Class 5
B

Post Your Answer

Syed Mohammad Hussain from ISAM, Muscat
Subject :NSO    Class : Class 5

Ans 1:

Shreejith from EuroSchool , Bangalore
Class : Class 7
CWhen a bomb explodes,chemical energy stored in the chemicals that form the bomb converts into heat, sound and light energy.

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

C

When a bomb explodes, chemical energy stored in the chemicals that form the bomb converts into heat, sound and light energy.


Post Your Answer

Amol Athawale from WoodRidge High, aurangabad
Subject :NSO    Class : Class 8

Ans 1:

Kaushik Srivatsa H from Bala Vidya Mandir Global, Bangalore
Class : Class 7
Silver turns black, not green. And also silver does not react with water. So, obviously D is the answer.

Ans 2:

Student from School, City
Class : Class 8
Silver can also react with SO2, sulphur dioxide, to tarnish.

Ans 3:

Daksha Swaminathan from Horiozon Scholars and Neo Kids, Mumbai
Class : Class 8

Ans 4:

Ankit kumar Jha from Ryan International School , Ghaziabad
Class : Class 9
ans D is the correct answer as silver turns black after reaction to hydrogen sulphide

Post Your Answer

aadityaarmaan from KVS Chabua, Dibrugarh
Subject :NSO    Class : Class 7

Ans 1:

Gauri Singh from St Johns School Marhauli, Varanasi
Class : Class 8
20 mL multiplied by 10 equals 200 ml.. likewise, multiply 1 min by 10. the answer is 10 minutes or 600 seconds.

Ans 2:

aarav shankar from st xaviers high school, gurugram
Class : Class 7

Ans 3:

Raksha Pankaj Jangam from Millennium National School , Karve naga pune
Class : Class 7

Post Your Answer

saisavit from sri kumaran ps, bangalore
Subject :NSO    Class : Class 3

Ans 1:

akshitha from Euroschool, Bengaluru
Class : Class 3
d is the answer

Ans 2:

Ivan Tyagi from Chirec International School , Hyderabad
Class : Class 8
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

Post Your Answer

Vedant Sharma from JPHS, Jaipur
Subject :NSO    Class : Class 5

Ans 1:

Dhairya from GREEN FIELDS SCHOOL, DELHI
Class : Class 8
a b c d

Post Your Answer

ADITYA KISHOR from dps, gaya
Subject :NSO    Class : Class 9

Post Your Answer