National Science Olympiad Forum By SOF Olympiad Trainer - Page 550
  1. Home
  2. /  Forum

User Forum

Ask Your Question
Dhruvan G from Indian School Al Ghubra, Muscat
Subject :NSO    Class : Class 7

Ans 1:

priyanka from kendriya vidalaya kathmandu, JHAJJAR
Class : Class 8
option b is the answer

Ans 2:

Shriyam from Chinmaya vidyalaya Bokaro, Bokaro
Class : Class 7
Answer is B don't look for more information ans is hidden in question with less information also

Post Your Answer

Suvid Singhal from Salwan Public School, Gurgaon
Subject :NSO    Class : Class 7

Swati take X fabric and burn it. She observes following properties of the fabric :
(i) It burns but does not melt.
(ii) It shrinks from flame.
(iii) It gives the odour of charred meat while burning.
(iv) It left residue after burning which is black, hollow, irregular bead that can be easily crushed to a gritty black powder.
(v) It is self extinguishing.
According to her observation, X could be

A Silk
B Jute
C Cotton
D Nylon.


Ans 1:

Dhruvan G from Indian School Al Ghubra, Muscat
Class : Class 8
It HAS to be silk. Reference: https://www.dharmatrading.com/home/the-fire-test.html

Post Your Answer

Krish from BPDAV, Hyderabad
Subject :NSO    Class : Class 8

Consider the following statements and select the option which correctly identifies true (T) and false (F) ones.
(i) Growing different crops in different seasons in the same field will deplete the nutrients of soil.
(ii) Freshly harvested grains must be dried before sowing.
(iii) Manures are mineral specific as they provide all the minerals needed by plant.
(iv) Broadcasting of seeds is done by seed drill.

(i) (ii) (iii) (iv)
A T F F F
B F T F F
C T T F F
D F T F T


According to me answer show be C

Ans 1: (Master Answer)

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

Post Your Answer

ekta singhal from TSVS, Bhopal
Subject :NSO    Class : Class 4

Ans 1:

Abhay rajvanshi from Delhi Public School, Gurgaon
Class : Class 10
Hi bro, it is very easy if you understand it properly. It is just for testing your direction sense.

Post Your Answer

Aadi Ramnani from Jayashree Periwal High School, Jaipur
Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

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

Post Your Answer

Suvid Singhal from Salwan Public School, Gurgaon
Subject :NSO    Class : Class 7

Ans 1:

Nakul from NK Bagrodia Public School, Delhi
Class : Class 7
Wrong ques ans its 'A'

Ans 2:

Dhruvan G from Indian School Al Ghubra, Muscat
Class : Class 8
It's (A) as I have done a similar question like this.

Post Your Answer

Utkarsh gupta from delhi public school, mumbai
Subject :NSO    Class : Class 10

Post Your Answer

drilyasali555@yahoo.co.in from rao,s my techno school, karimnager
Subject :NSO    Class : Class 6

Which of the following statements is/are incorrect?
(i) Fats deposited in our body act as shock absorbers and protect us from injury.
(ii) Kwashiorkor is caused by deficiency of protein, carbohydrate and fat.
(iii) Roughage neither releases energy nor helps in tissue or body building.
(iv) Starch containing food item turns bluish black in colour on undergoing iodine test.

A (i) and (ii) only
B (ii) only
C (iii) only
D (ii) and (iv) only


Ans 1:

Shuvangi Das from Vivekananda mission school, haldia
Class : Class 9

Ans 2:

SOUMYA SHAMBHAVI JHA from PODAR INTERNATIONAL SCHOOL, MUMBAI
Class : Class 6
Thank you Pradyumna. It helped a lot

Ans 3:

Ronav Kerkar from Jamnabai Narsee School, Mumbai
Class : Class 7
i think d as starch does turn bluish black after undergoing iodine test

Ans 4:

Shriyann from Suniti Devi Singhania School, Thane
Class : Class 9

Ans 5:

from , Dhule
Class : Class 7
d is the correct answer

Ans 6:

EKLAVYA GONDULE from DPS BHILAI, Bhilai
Class : Class 7
The fats also protect the inner organs just like the airbags, protecting these vital parts from the sudden shocks. Hence, the plumper people have lesser chances of internal injuries in case of car crash or other accidents.

Ans 7:

UMA Subramanian from Global Indian International School, Singapore
Class : Class 6

Ans 8:

Smita De from Bishop Cotton Girls School, BANGALORE
Class : Class 6
answer 3 is correct

Ans 9:

Vedang Amonkar from Dr K B Hedgewar High School, Panaji
Class : Class 6
Ans 3 is correct

Post Your Answer

Omayr from Army Public School Yol Cantt, Dharamshala
Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

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

Post Your Answer

Omayr from Army Public School Yol Cantt, Dharamshala
Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

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

Post Your Answer