National Science Olympiad Forum By SOF Olympiad Trainer - Page 371
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Tanisha from Ryan International School , Raipur
Subject :NSO    Class : Class 6

Ans 1:

SOUVAGYA SAHA from De Nobili School, DHANBAD
Class : Class 9

Ans 2:

Devabhrith from Delhi Public School Electronic City Bangalore, Bengaluru
Class : Class 8
Ngl C is correct answer

Ans 3:

Apeksha Singh from Cambridge School , Noida
Class : Class 6
c is correct!!!!

Ans 4:

Pratheek from Null, Null
Class : Class 4
Option C

Ans 5:

Dhruv Umesh Patil from Euroschool Airoli, Navi Mumbai
Class : Class 6

Ans 6:

Tamrashi Pani from National Public School, Bangalore
Class : Class 8
It is C

Ans 7:

Mihika Raut from ST JOSEPHS SCHOOL, RIHAND NAGAR
Class : Class 8
C is the correct answer

Ans 8:

Aadvik saini from Mvn sector 17, Faridabad
Class : Class 8
option c is correct

Ans 9:

Adithya Kumble from Deens Academy, Bangalore
Class : Class 7
c is correct

Ans 10:

Moushami Sha from KV VSN, Nagpur
Class : Class 6
C is the answer

Ans 11:

Dheer Pandey from Sentia The Global School, Hyderabad
Class : Class 10
c is the answer

Ans 12:

Preethi from KKIS, Singapore
Class : Class 6
c Is the correct answer

Ans 13:

Aadhira from velammal new gen school, Medavakkam, Chennai
Class : Class 6
The correct answer is C.

Ans 14:

Sruthi from Suguna International School, Coimbatore
Class : Class 6
C)Dropped from a height repeatedly

Ans 15:

Pranit Sinha from Montfort School, Roorkee, Haridwar
Class : Class 6
If permanent magnet ans.(A), if normal ans.(B)

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Shourya Ganesh from The Green Acres Academy, Mumbai
Subject :NSO    Class : Class 5

Ans 1:

Nakul Syam from St Thomas Residential School, Thiruvananthapuram
Class : Class 7
D

Ans 2:

Shourya Ganesh from The Green Acres Academy, Mumbai
Class : Class 9

Ans 3:

Aaditya Malhotra from Isaac Newton Global School, Mumbai
Class : Class 3

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S Nithyanth from Geethanjali Vidyalaya, Bangalore
Subject :NSO    Class : Class 4

Ans 1:

S Nithyanth from Geethanjali Vidyalaya, Bangalore
Class : Class 6

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Satvik Mehta from St Andrews school Bowenpally, Secunderabad
Subject :NSO    Class : Class 8

Ans 1:

Kaustubh from Neerja Modi school, Jaipur
Class : Class 8

Ans 2:

Student from School, City
Class : Class 5
I have not seen a single *FRUIT* which is a vegetable.

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Pratham garg from Mother teacher school, Barnala
Subject :NSO    Class : Class 10

In a Drosophila, black eye colour is dominant over brown eye and allele for normal wings is dominant over allele of vestigial wing. Hybrid obtained in F1 generation have black eye colour with normal wing. By selfing of F1 hybrid, total 560 offspring were obtained in F2 having four different genotypes. How many flies with black eyes and vestigial wings; and brown eyes with normal wings would be obtained? What would be their possible genotypes?


A105--- 210--- BBWw--- bbWw
B 105--- 105--- Bbww--- bbWw
C 315--- 35--- BbWw--- Bbww
D 100--- 150--- bbww--- BBww


Pls provide an explanation

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Aaditya Jain from Jaypee public school, Greater noida
Subject :NSO    Class : Class 6

A few mixtures are listed in the box.
(i) Salt solution (ii) Oil and water (iii) Alcohol and water (iv) Soda water (v) Iron and sand (vi) Flour and husk (vii) Milk
Now, read the given passage and fill in the blanks by selecting an appropriate option. Mixtures (p) are homogeneous in nature while mixtures (q) are heterogeneous in nature. Mixture(s) (r) is/are separated into its/their components by centrifugation where (s) component collects towards the centre. Mixture (t) is separated into its components by distillation where the component having (u) boiling point gets collected in the receiver flask first.

P Q R S T U
A i, ii, vi iii, iv, v, vii ii, v Heavier iii Higher
B ii, iv, vi i, iii, v, vii ii, iv Lighter vii Lower
C i, iii, iv ii, v, vi, vii vii Lighter iii Lower
D i, iii, vi ii, iv, v, vii iv, vii Heavier i Higher

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Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Subject :NSO    Class : Class 4

Ans 1:

Elisha Kannojia from Delhi Public School, Noida
Class : Class 5

Ans 2:

namrata maheshwari from euroschool, airoli
Class : Class 9
i am lipi sanwal from S.H.I.S , GURUGRAMat first I reported a error in the question but after wards I understood iiiiiiiiittttt !

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Shivangi singh from Dps greater Noida, Greater Noida
Subject :NSO    Class : Class 3

Ans 1:

Aditya from DAYAWATI MODI INTERNATIONAL, MEERUT
Class : Class 3
C

Ans 2:

Aditya from DAYAWATI MODI INTERNATIONAL, MEERUT
Class : Class 3
C

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student from school, city
Subject :NSO    Class : Class 6

Ans 1:

Pratheek from Null, Null
Class : Class 4
Option C

Ans 2:

Anusuya Rangasamy from EISB, Bengaluru
Class : Class 6
the correct option is 'C' BECAUSE SUGAR IS A SOLID SO WHEN THE LIQUID IS HEATED IT EVAPORATES LEAVING THE SUGAR BEHIND

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student from school, city
Subject :NSO    Class : Class 6

Ans 1:

from VBPS, Noida
Class : Class 7

Ans 2:

Anoop Haridas from dpsmis doha, doha
Class : Class 8
C is the answer, as in each of these processes, the heat is absorbed.

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