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Abhinav Kulkarni from National Centre For Excellence, Bengaluru
Subject :NSO    Class : Class 4

A scientist observed a sudden increase in the number of algae in a lake over a few days. The reason behind it could be that ____________.

A Water cycle in the area got unbalanced
B Electronic wastes were being dumped in a nearby area
C A factory with heavy smoke discharge has been established nearby
D Heavy amount of chemical fertilisers were being used in a nearby field


dddddddddddddddddddddddddddddddddddddddd is the ans

Ans 1:

TARA NAUTIYAL from CONVENT OF JESUS AND MARY, DEHRADUN
Class : Class 4
yess D

Ans 2:

Ashwak from Cambridge International School, Saudi Al Dera
Class : Class 7
D

Ans 3:

Vardhan from TSRS, GURGAON
Class : Class 4

Ans 4:

somesh from cps katol road, nagpur
Class : Class 4
Ďddddddďddddddddddddddddddddddddddddddddddddddddddddddddd

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Shreya Mahesh from Sri Sri Ravishankar Vidya Mandir, Bangalore
Subject :NSO    Class : Class 8

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sudiksha Bhaskar Chaudhary from Shri Mahavir Jain English School,Kalyan west, Kalyan west
Subject :NSO    Class : Class 4

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Hitesh Gopal More from Euro School Wakad, Pune
Subject :NSO    Class : Class 3

Ans 1:

Ananya from Chrysalis high school, Banglore
Class : Class 3
C

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from Sri Chaitanya Techno School, Bengaluru
Subject :NSO    Class : Class 7

Which of the following is the most effective way to measure the effect of different carbon dioxide concentrations on the rate of photosynthesis?

APlacing same amount of dry ice in similar bell jars kept in sunlight containing different plants.
BUsing different concentrations of sodium hydrogen carbonate solution with same type of immersed water plants in similar bell jars placed in sunlight.
CVarying light intensity given to different well watered plants placed in similar bell jars kept in sunlight.
DVarying amount of air provided to different well watered plants placed in similar bell jars kept in sunlight.


Ans 1:

from Sri Chaitanya Techno School, Bengaluru
Class : Class 9

Ans 2:

Catherine Janet from Jubilee hills public school, Hyderabad
Class : Class 7

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Hamzah from DPS Dubai, Dubai
Subject :NSO    Class : Class 3

Ans 1:

Ananya from Chrysalis high school, Banglore
Class : Class 3
A

Ans 2:

Vihaan kohli from MVN Aravali, Faridabad
Class : Class 3
A is the correct answer as the volume of the container is 1500 cm 3 so how can air 1500 cm 3 can be pumped in it

Ans 3:

saisavit from sri kumaran ps, bangalore
Class : Class 3
c

Ans 4:

Devansh from mmvm, Udaipur
Class : Class 5
A is correct

Ans 5:

Ashwak from Cambridge International School, Saudi Al Dera
Class : Class 7
The correct is A

Ans 6:

Ashmi Narkar from VIBGYOR HIGH , Airoli, Navi Mumbai, NAVI MUMBAI
Class : Class 5
Yes Ananya

Ans 7:

Thaneesha from Radcliffe School, Kharghar
Class : Class 5
yes comp

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ishit from EUROSCHOOL THANE, THANE WEST
Subject :NSO    Class : Class 4

Ans 1:

Abhinav Kulkarni from National Centre For Excellence, Bengaluru
Class : Class 4
for a fellow like u the ans should be b eat and check...

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ishit from EUROSCHOOL THANE, THANE WEST
Subject :NSO    Class : Class 4

Ans 1:

Apeksha Garg from Rbmhs, Jaipur
Class : Class 4

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

Ans 1:

Ivan Tyagi from Chirec, Hyderabad
Class : Class 3
B

Ans 2:

Havi Jain from GEMS modern academy, Gurgaon
Class : Class 3
In thunder storms we see the lightning comes first and the sound comes after the lightning.

Ans 3:

akshitha from Euroschool, Bengaluru
Class : Class 3
yah B is the correct answer

Ans 4:

Avantika Raj from Delhi Public School, Bengaluru
Class : Class 5

Ans 5:

Ananya from Chrysalis high school, Banglore
Class : Class 3
B

Ans 6:

SHAUNAK from St Xaviers School, HAZARIBAG
Class : Class 3
B is the correct answer.

Ans 7:

Pankaj Rajput from RBK GLOBAL SCHOOL, THANE
Class : Class 4
HOW

Ans 8:

akshitha from Euroschool, Bengaluru
Class : Class 3
how can that happen?

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daniel from whitefield global school, bangalore
Subject :NSO    Class : Class 3

Ans 1:

Ananya from Chrysalis high school, Banglore
Class : Class 3
D

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