National Science Olympiad Forum By SOF Olympiad Trainer - Page 531
  1. Home
  2. /  Forum

User Forum

Ask Your Question
vrahulprakaash from Amm, Chennai
Subject :NSO    Class : Class 7

Ans 1:

Ashmita Choudhury from Delhi Public School Noida, Noida
Class : Class 8
Tibia and Fibula(option C.)

Ans 2:

Saanvi from rvk, bengaluru
Class : Class 9
tibia and fibula

Post Your Answer

Animesh Jain from DPS, Bengaluru
Subject :NSO    Class : Class 6

Ans 1:

devansh gaurangi from Stella Maris School , Lucknow
Class : Class 8
Some dissolved salts in water is essential for human body and groundwater is free from suspended impurities but it contains soluble things, hence the option is C.

Ans 2:

Sagnik Chatterjee from Delhi Public School, Greater Noida
Class : Class 7
Ground water is not always safe, it can contain soluble impurities like arsenic

Ans 3:

Udit Kankar from Advanced Academy, Indore
Class : Class 6
Groundwater is safe for drinking but is not free of soluble impurities and that is why we boil it, so the correct option is (C)

Ans 4:

Rishik De Sarkar from Delhi Public School Gurgaon, Gurgaon
Class : Class 7
tf

Ans 5:

rethish from Veltech, Avadi
Class : Class 3
Let’s check whether the given statements are correct or incorrect:Statement 1: Groundwater is safe for drinking. ----- Correct.Statement 2: Groundwater is free from soluble impurities. ----- Correct.Groundwater is water that accumulates underground. Groundwater is safe for drinking, because it is naturally filtered through layers of rocks and soil. So it is free from soluble impurities. That means Statement 1 is correct, and Statement 2 is the correct explanation of Statement 1.Hence, the right answer is Option A.

Ans 6:

rethish from Veltech, Avadi
Class : Class 3
Let’s check whether the given statements are correct or incorrect:Statement 1: Groundwater is safe for drinking. ----- Correct.Statement 2: Groundwater is free from soluble impurities. ----- Correct.Groundwater is water that accumulates underground. Groundwater is safe for drinking because it is naturally filtered through layers of rocks and soil. So it is free from soluble impurities. That means Statement 1 is correct, and Statement 2 is the correct explanation of Statement 1.Hence, the right answer is Option A.

Ans 7:

Devdarsh hero from HOLY GRACE, Mala
Class : Class 6
groundwater sometimes have heavy metals such as lead and arsenic dissolved in them and hence is always not safe for drinking

Ans 8:

Naitik Mundra from International School Rheintal, Buchs Sankt Gallen
Class : Class 9
No ground water has impurities, minerals, gases and some microbes dissolved in it

Ans 9:

Riya Gupta from Birla Divya Jyoti, Siliguri
Class : Class 8
Answer is option'D'. Neither of the statements are correct. And SOF World, Please listen to our comments and reply to it and rectify your mistakes quickly,ASAP. Iam not here to scold you, but trying to advise you. So please, from the heart of all the students who are commenting(including me), rectify all your mistakes ASAP( AS SOON AS POSSIBLE)!!!!!!!!!!!!

Ans 10:

Ashwak from Cambridge, Jalandhar
Class : Class 9
Yes the option C is the correct as groundwater is not always safe

Ans 11:

malhar thorve from city internqtional school, satara road, pune
Class : Class 7

Post Your Answer

swagatika from giis, BENGALURU
Subject :NSO    Class : Class 2

Post Your Answer

Mannat Verma from Vivek High School , Chandigarh
Subject :NSO    Class : Class 5

Ans 1:

kendre vaishnavi mangesh from podar international school , latur
Class : Class 5

Ans 2:

Tanmay Chaudhary from MIET public school, MEERUT
Class : Class 7
I HAVE NOOOOOOOOOOOOOO IDEA !!!!!!!!

Ans 3:

Sunita from Dps, Greater Noida
Class : Class 9
Sunita from Dps, Greater NoidaClass : >Class 5 about a minute agoAdithi Keshava from National Center For Excellence , BangaloreClass : >Class 5 13 days agoOption CAns 2:Adithi Keshava from National Center For Excellence , BangaloreClass : >Class 5 13 days agoOption C

Ans 4:

Dvij Agrawal from Lotus Valley International School, Gurgaon
Class : Class 5
i got noooooooo idea

Ans 5:

Bhogavalli from Timpany , Visakhapatnam
Class : Class 4
Its C

Ans 6:

Adithi Keshava from National Center For Excellence , Bangalore
Class : Class 7
Option C

Ans 7:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 7

Ans 8:

Dripto Chakraborty from Greenwood High Sajarpur, Bangalore
Class : Class 5
Not C the answer is D

Ans 9:

Sunita from Dps, Greater Noida
Class : Class 9
Adithi Keshava from National Center For Excellence , BangaloreClass : >Class 5 13 days agoOption C

Post Your Answer

from Dav public school brs nagaR ludhiana, LUDHIANA
Subject :NSO    Class : Class 5

Post Your Answer

Cyril Cyriac from Naipunnya Public School, Cochin
Subject :NSO    Class : Class 1

Post Your Answer

Moukthika from Vibgyor, Bangalore
Subject :NSO    Class : Class 3

Ans 1:

Pranay Saurv from Delhi Public School Bangalore-East, Bengaluru
Class : Class 7
its [C] tailor bird

Ans 2:

Diya Jasmina from Samsidh MLZS, Bengaluru
Class : Class 4
the answer is (B) weaver bird.

Ans 3:

AAYANSH DHRUV from Orchid The International, Bangalore
Class : Class 5

Ans 4:

AAYANSH DHRUV from Orchid The International, Bangalore
Class : Class 5
BB

Ans 5:

SS from meridian, hyderabad
Class : Class 5
Answer is B - Weaver bird.

Ans 6:

saisavit from sri kumaran ps, bangalore
Class : Class 8
B weaver birds

Ans 7:

Shaarvi Pant from Greenwood High, Bangalore
Class : Class 3

Ans 8:

Shaarvi Pant from Greenwood High, Bangalore
Class : Class 3
B Weaver Bird

Post Your Answer

Avantika Raj from Delhi Public School, Bengaluru
Subject :NSO    Class : Class 3

Post Your Answer

Shashank Reddy from Gyan Ganga International School, Pune
Subject :NSO    Class : Class 4

Ans 1:

Mithul Pranav KB from Narayana Olympiad School Madipakkam, Chennai
Class : Class 5
ANSWER IS (a)

Ans 2:

Saarth Agrawal from Podar International School , Mumbai
Class : Class 6
Explaaaaaaaaaaaaaaaaaaaaaaiiiiiiiiiiiiiiiiiiiiiin

Ans 3:

ishi gupta from DPS NOIDA, NOIDA
Class : Class 4
PLEASE EXPLAIN

Ans 4:

Mithul Pranav KB from Narayana Olympiad School Madipakkam, Chennai
Class : Class 5

Post Your Answer

Nikhita Nandakumar from Shishya beml public school, BANGALORE
Subject :NSO    Class : Class 8

Post Your Answer