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D HARSHINI from ST MARTINS HIGH SCHOOL CHINTAL, HYDERABAD
Subject :NSO    Class : Class 9

Ans 1:

Harsh Gupta from AECS Narora, Narora
Class : Class 9

Ans 2:

ICHALKARANJI from dkte, ichalkranji
Class : Class 8
yes your are right

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Snigdha swaminath from Christ nagar higher secondary school , Trivandrum
Subject :NSO    Class : Class 6

Ans 1:

RICHA BORAH from K V ANNA NAGAR, CHENNAI
Class : Class 7
Sugar ,salt and washing powder are soluble in water while sand ,chalk powder and saw dust are insoluble in water.

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naman test from DPS Pune, Pune
Subject :NSO    Class : Class 6

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Debarpan Das from Delhi Public School , Durgapur
Subject :NSO    Class : Class 5

Ans 1:

Umair Kamal from GEMS MODERN, DUBAI
Class : Class 5

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Swarit from Indian School Wadi kabir, Muscat
Subject :NSO    Class : Class 5

Ans 1:

Nishit Vaity from Euro School Airoli, Navi Mumbai
Class : Class 5
idk

Ans 2:

Arnav from SIS, Noida
Class : Class 5
idk these type of questions because i am not able to understand what animal they are talking

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Aaron Dominic from Ryan International School, Bangalore
Subject :NSO    Class : Class 7

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Swarit from Indian School Wadi kabir, Muscat
Subject :NSO    Class : Class 5

The diagram below represents part of the digestive system of a boy. X, Y and Z represent different substances that are being absorbed into the bloodstream at different parts as shown below.

Based on the diagram above which of the following best represents organ Q and substances X, Y and Z? Substance Substance Substance

Organ
Q
 Substance
X
 Substance
Y
 Substance
Z
A Large
intestine		 Water Digested Undigested
food
B Large
intestine		 Digested
food		 Undigested
food		 Water
C Anus Water Digested
food		 Undigested
food
D Anus Digested
food		 Undigested
food		 Water


BAD QUESTION !!!!!!!!!!!!!!!!!!!!!!!

Ans 1:

Subhanshi Jha from DPS Vsant Kunj, New Delhi
Class : Class 6

Ans 2:

Debarpan Das from Delhi Public School , Durgapur
Class : Class 6

Ans 3:

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

Ans 4:

Swarit from Indian School Wadi kabir, Muscat
Class : Class 6
BAD QUESTION!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! I AM ANGRY WITH U

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ALICE from CENTRAL ACADEMY, UDAIPUR
Subject :NSO    Class : Class 3

Ans 1:

Ananya D from Sacred Heart School, Thane
Class : Class 4

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Fabiola from birla public school, DOHA
Subject :NSO    Class : Class 6

We eat different parts of plants as food. Refer to the given figure of a typical plant and select the option that correctly matches the labelled parts (P, Q, R and S) with examples of plants in which they are edible.


A P - Hibiscus; Q - Sweet potato; R - Pepper; S - Spinach
B P - Broccoli; Q - Potato; R - Clove; S - Turnip
C P - Cauliflower; Q - Onion; R - Pepper; S - Ginger
D P - Broccoli; Q - Radish; R - Asparagus; S - Brinjal


Ans 1:

Kalpesh from Tapovan , Mahesana
Class : Class 7

Ans 2:

Anish from St Peters Public School, Hyderabad
Class : Class 7
can you explain me

Ans 3:

aditri singh from jayshree periwal high school, jaipur
Class : Class 6

Ans 4:

ARUNAV from DPS VINDHYANAGAR, VINDHYANAGAR
Class : Class 6

Ans 5:

Jahnvi Bajpai from Vibgyor High, Banagalore
Class : Class 6

Ans 6:

Ishitadas from Adamas World school , Ichapur
Class : Class 6

Ans 7:

Aadvik saini from Mvn sector 17, Faridabad
Class : Class 6

Ans 8:

Mitanshu Rajpurohit from B R Birla Public School, Jodhpur
Class : Class 6

Ans 9:

Aadvik saini from Mvn sector 17, Faridabad
Class : Class 6

Ans 10:

Vedang Amonkar from Dr K B Hedgewar High School, Panaji
Class : Class 6

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Pratul Kumar Sahoo from Presidium, Gurugram
Subject :NSO    Class : Class 6

A metallic piece (X) is dropped into copper sulphate solution. After some time, the blue colour of the solution changes to green. The change which has occurred is


A Physical and reversible change
B Physical and irreversible change
C Chemical and reversible change
D Chemical and irreversible change.


due to the presence of copper in the metal the copper oxidzes faster an turn the solution green this same is done for extracting silver from aqua regia or royal water and the copper also can get crystalized

Ans 1:

Reynah Gupta from Greenwood High, Bengaluru
Class : Class 6

Ans 2:

Aadvik saini from Mvn sector 17, Faridabad
Class : Class 6
answers abcd

Ans 3:

Utkarsh Chakravarty from Pinnacle High International School, Mumbai
Class : Class 6
if we remove metal wont it turn blue again ?

Ans 4:

SKIyer from CNS, Mumbai
Class : Class 6
No, missed it by some the properties of the metal mix with the solution. So according to me it is D which is the right answer

Ans 5:

Devabhrith from Delhi Public School Electronic City Bangalore, Bengaluru
Class : Class 6
If we remove the metallic piece the solution's color won't change.So,Therefore it is an irreversable change and as it has been caused by Chemical Reaction of Metal and Copper Sulphate.So,Answer is D

Ans 6:

ARUNAV from DPS VINDHYANAGAR, VINDHYANAGAR
Class : Class 6

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