National Science Olympiad Forum By SOF Olympiad Trainer - Page 622
  1. Home
  2. /  Forum

User Forum

Ask Your Question
Kavitha Sun from sanjivani international school, Mumbai
Subject :NSO    Class : Class 3

Post Your Answer

HARSHAL KUTE from cambridge school buldhana, Buldhana
Subject :NSO    Class : Class 6

Ans 1:

khushi Joshi from Svkm , Mumbai
Class : Class 10
Silk can't be worn in monsoon and winter, because it is not waterproof and it does not trap heat.

Ans 2:

VIJAYA SREYAS B from NARAYANA OLYMPIAD SCHOOL KUKATPALLY, HYDERABAD
Class : Class 6
D is false as silk cannot be worn in all seasons .

Ans 3:

khushi Joshi from Svkm , Mumbai
Class : Class 10
That is why Silk cannot be worn in all seasons

Ans 4:

Veda Dua from Delhi Public School, R. K. Puram, New Delhi
Class : Class 10
D SHOULD BE THE CORRECT ANSWER

Ans 5:

Aadvik saini from Mvn sector 17, Faridabad
Class : Class 8
d

Ans 6:

ARUNAV from DPS VINDHYANAGAR, VINDHYANAGAR
Class : Class 10
c should be the answer as silk is obtained from silkworm(insect) by harmingand wool,angora wool , etc are obtained without harming the mammal

Ans 7:

ARUNAV from DPS VINDHYANAGAR, VINDHYANAGAR
Class : Class 10
C

Ans 8:

Veda Dua from Delhi Public School, R. K. Puram, New Delhi
Class : Class 10
D

Ans 9:

Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Class : Class 7
(D) is totally false . raincoat is made from plastic only which is a man made fiber .

Ans 10:

Saipriya from Sankara, Chennai
Class : Class 9
D -

Ans 11:

Niranjhan Rajeshkumar from Deens Academy, Whitefield, Bengaluru
Class : Class 8
C is the answer

Ans 12:

Aahan Jain from ,
Class : Class 1
D cannot be an answer because raincoat cannot be made of jute

Ans 13:

Sof Team from Sof Olympiad Trainer Helpdesk, Bangalore
Class : Class 7

Post Your Answer

celina srivastava from ryan global school, mumbai
Subject :NSO    Class : Class 3

Ans 1:

Krishna Kumari Nayak from Sai International school , Bhubaneswar
Class : Class 4
Nothing has changed correct answer is B

Ans 2:

Prayaan handel from Billabong high international school, Bhopal
Class : Class 4
the correct answer is C. As I feel there`s a miss print in a b c and d.

Ans 3:

Raghav Srinivasan from GEAR, bangalore
Class : Class 5

Ans 4:

Kashika Goel from DPS Noida, Noida
Class : Class 7

Ans 5:

TAISHA AGARWAL from Modern High School for Girls, Kolkata
Class : Class 7

Ans 6:

ELISHA KANNOJIA from Delhi Public School, Noida
Class : Class 3
I cant understand why this question is wrong .

Ans 7:

Kashika Goel from DPS Noida, Noida
Class : Class 7

Ans 8:

Ashwak from Cambridge, Jalandhar
Class : Class 9
No, the question is not wrong . X is a Gibbous moon . The correct answer is B.

Ans 9:

Kashika Goel from DPS Noida, Noida
Class : Class 7

Ans 10:

Ananya from birla school, Kalyan
Class : Class 4
B

Post Your Answer

celina srivastava from ryan global school, mumbai
Subject :NSO    Class : Class 3

Ans 1:

Vanama Aditya Siddharth from Gitanjali Devashray, Secunderabad
Class : Class 3
I feel it is still not new moon as there are a couple of days for it to become a new moon.

Ans 2:

Ashwak from Cambridge, Jalandhar
Class : Class 9
The correct answer is A.

Ans 3:

Aditri Dixit from TCIS, Bangalore
Class : Class 3

Ans 4:

RAY from Val, Chennai
Class : Class 5

Ans 5:

celina srivastava from ryan global school, mumbai
Class : Class 3
I acseped my mistake

Ans 6:

Diya Jasmina from Samsidh MLZS, Bengaluru
Class : Class 4
I accepted my mistake.But still think there are a couple of days for it to become a new moon.

Ans 7:

Shaurya Shinde from Goldcrest High Vashi, Navi Mumbai
Class : Class 8
It should be new moon,because full moon takes 2 weeks to change into new moon.

Ans 8:

Aditri Dixit from TCIS, Bangalore
Class : Class 3

Post Your Answer

Mitesh from Shishya BEML Public School, Bengaluru
Subject :NSO    Class : Class 5

Post Your Answer

ADVAY.JAIN.4B.dpsn from DPS Noida, Noida
Subject :NSO    Class : Class 4

Ans 1:

ikshika kumar from MVN SCHOOL, FARIDABAD
Class : Class 7
C) x y

Post Your Answer

Aadhya Singh from Billabong high International School, Noida, Ghaziabad
Subject :NSO    Class : Class 6

Ans 1:

VIJAYA SREYAS B from NARAYANA OLYMPIAD SCHOOL KUKATPALLY, HYDERABAD
Class : Class 6
D is correct, combing should be replaced by ginning

Ans 2:

Hari Govind from Delhi Public School Chandigarh , Chandigarh
Class : Class 6
d is the answer

Ans 3:

khushi Joshi from Svkm , Mumbai
Class : Class 10
ans is D

Ans 4:

soubhik raha from bishop morrow school, nabadwip
Class : Class 6
correct answer should be d

Ans 5:

Dheeraj Thriyambak M from Sri Sankara Senior Secondary School Adyar, Chennai
Class : Class 6
correct ans is d

Ans 6:

SJ HARITHA from PSNLO, BENGALURU
Class : Class 10
d

Ans 7:

Advait talnikar from Dhruv Global School, Sangamner
Class : Class 6
It's D for sure guys

Ans 8:

Aarush Goyal from D.A.V Pblic school, Sector 14, Faridabad
Class : Class 6
yes combing should be replaced because combing is the process of of straitning cotton fibers

Ans 9:

khushi Joshi from Svkm , Mumbai
Class : Class 10
Ginning is a process used to separate cotton fibres from seeds while combing is the process of disentangling fibres

Ans 10:

Aadvik saini from Mvn sector 17, Faridabad
Class : Class 8
CORRECT ANS IS D guys

Post Your Answer

ArhamAnay Jain 4G from MDPS, Faridabad
Subject :NSO    Class : Class 4

Ans 1:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
C it's C

Ans 2:

Satvik Agrawal from Delhi Public School, bhopal
Class : Class 5
cccccccccc

Ans 3:

mishika tripathi from DPS, Gurugram, Haryana
Class : Class 5
it is c dont get confused with b

Ans 4:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
CCCthe answer is C the ones who posted please see it is C

Ans 5:

Bhavni Oberoi from Amity International School, Visakhapatnam
Class : Class 4
b and d are because of transpiration a is evaporation, and b is correct it is because of precipitation

Ans 6:

ZEHRA MAZHAR from GAIL D A V SCHOOL PUBLIC SCHOOL, AURAIYA
Class : Class 6

Ans 7:

Avyukth R from Chitrakoota, Bangalore
Class : Class 3
C

Ans 8:

Shreshta from Presidium, Ghaziabad
Class : Class 3
I'm a simple girl who loves having fun chatting and meeting new people. You will always find me smiling and happy because nothing disturb me!

Ans 9:

SAI KRISHNA from SHISHYA BEML PUBLIC SCHOOL, BANGALORE
Class : Class 3
Shreshta the ans is not b coz in b precipitation is not happening condesation is happening that is why ans is c

Ans 10:

Krisha Saini from GEA, Mumbai
Class : Class 2
The correct answer is ' c ' option

Ans 11:

Tanirika Bansal from DPS Faridabad, Faridabad
Class : Class 4
the answer is c but question is tricky

Ans 12:

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

Ans 13:

Rahul from Cambridge school, noida
Class : Class 4
PLEASE TELL THE REASON

Ans 14:

Ryan from YBIS , SINGAPORE
Class : Class 5

Ans 15: (Master Answer)

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

Post Your Answer

khushi Joshi from Svkm , Mumbai
Subject :NSO    Class : Class 6

Ans 1:

VIJAYA SREYAS B from NARAYANA OLYMPIAD SCHOOL KUKATPALLY, HYDERABAD
Class : Class 6
Our body is made of mostly made of impure water which is a good conductor of electricity. Our body also has a lot of metallic minerals like iron which conduct electricity.

Ans 2:

Aarush Goyal from D.A.V Pblic school, Sector 14, Faridabad
Class : Class 6
because our body contains minerals like iron and has a large quantity of un - distilled water

Post Your Answer

khushi Joshi from Svkm , Mumbai
Subject :NSO    Class : Class 6

Ans 1:

Aarush Goyal from D.A.V Pblic school, Sector 14, Faridabad
Class : Class 6
because our body contains minerals like iron and has a large quantity of un - distilled water

Post Your Answer