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arya navare from Saint ursula school, kankavli
Subject :NSO    Class : Class 5

Nidhi pushed the plunger of syringe completely and dipped its needle in water. Then she slowly pulled the plunger while its needle was still immersed in water. Select the correct option regarding this.

A Water will move in the syringe when she pushed the plunger down due to air pressure.
B When she pushed the plunger down all the air moved out creating an empty space in syringe.
C Air outside the syringe exerted pressure on water causing it to move in when the plunger is pulled up.
D Both (B) and (C)


YEA IT IS C

Ans 1:

Naresh Rathod from Al Muna Academy, Abu Dhbai
Class : Class 5
D is correct there is no space in the syringe when you push the plunger down

Ans 2:

Pratham Dave from GNS, Bangalore
Class : Class 7
C is the answer to this question

Ans 3:

Sanskriti Nagar from Rose Bud Academy, khagaria
Class : Class 5
D is the correct answer

Ans 4:

Saipriya from Sankara, Chennai
Class : Class 8
pratham dave u r a fool it will be wrong worst science studier. Devina u r right my dear friend but just look at the sollution, and biju are u mad ans three did not even reply u mad u say she is wrong dont talk all this rubbish in chat

Ans 5:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 7

Ans 6:

Devina kashyap from TPS, Mumbai
Class : Class 4
well I have no idea if the answer D is correct or not but i think that answer C is not correct as how can you say that the syringe which is inside water will get the force of air

Ans 7:

Biju Pappachan from Rkc , Raipur
Class : Class 1
Ans 3 is wrong the correct ans is D.

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11140 from pawar public school, Pune
Subject :NSO    Class : Class 6

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Shreyas Gupta from CHIREC International, Hyderabad
Subject :NSO    Class : Class 7

Ans 1:

vibhu mehrotra from Vidyashilp Academy, bangalore
Class : Class 7
shouldn't the answer be 0.75 m per sec??

Ans 2:

SHWAARIT MAHAPATRA from St. Francis School, Ghaziabad
Class : Class 7
the answer is not 0.75 because the object was at rest till 5 sec then the object starts moving from 2m to 9m so total distance traveled will be 7 m so 7/12 is not equal to 0.75

Ans 3:

Anish Ranjan Senapati from V S VIDYALAYA, KORAPUT
Class : Class 5
I didn't understand the questionPlease explain🙏🙏🙏

Ans 4:

samyak jain from Prudence, New Delhi
Class : Class 8
answer should be 0.48

Ans 5:

Ashmita Dash from Vikash, Bargarh
Class : Class 7

Ans 6:

Sargah Surya from bgsnps, Bengaluru
Class : Class 4
can some one pls explain

Ans 7:

Sahil Ray from Podar International School, Thane
Class : Class 7
2.17

Ans 8:

AISHA from K.V.No.-1,A.F.S.,SEC.-14, GURUGRAM
Class : Class 10
HERE CORRECT ANSWER IS GIVEN AS B THAT IS 0.58

Ans 9:

Sargah Surya from bgsnps, Bengaluru
Class : Class 4
I think 0.75, though not in options

Ans 10:

kartick Somasundaram from san academy, chennai
Class : Class 1
It moved only 7m not 9m. It started from 2m. Refer the solution also

Ans 11:

Ritvik Kar from D P S Bhilai, Bhilai
Class : Class 7

Ans 12:

Ashmita Dash from Vikash, Bargarh
Class : Class 7
The answer should be 0.75, the options provided are wrong

Ans 13:

Sargah Surya from bgsnps, Bengaluru
Class : Class 4
how come, Some one pls explain

Ans 14:

Amol Athawale from WoodRidge High, aurangabad
Class : Class 6

Ans 15:

Chandra GKS from Sentia The Global School, Hyderabad
Class : Class 9
how is this 2.17,can you explain,we got 0.48

Ans 16:

UTKARSH SAWARN from AIR FORCE SCHAOOL AMBALA CANTT, AMBALA CANTT
Class : Class 8
2.17 is the answer

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

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Isra Fathima from sophia high school, Bengaluru
Subject :NSO    Class : Class 4

Ans 1:

Aadya Kawale from Podar International ICSE , Dombivli East
Class : Class 4
D

Ans 2:

Rishabh Rathi from Blue Ridge Public School, Pune
Class : Class 5
a

Ans 3:

Avirath Rao from Manav Rachna International School , Gurgaon
Class : Class 5

Ans 4:

harry potter from Hogwarts school of witchcraft and wizardry , london
Class : Class 5

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PARUL GHARSE from Vibgyor, Mumbai
Subject :NSO    Class : Class 5

Ans 1:

KUMARI SHREYA AKANKSHA from SURENDRA NATH CETENARY SCHOOL RANCHI, RANCHI
Class : Class 5

Ans 2:

Praptee pragnya sahoo from Nps indiranagar, Bangalore
Class : Class 5
shark does not lay eggs

Ans 3:

Mukta Pundir from ,
Class : Class 5
Some sharks lay eggs ( oviparous )and leave them in the water, some give birth to the babies (viviparous) and some lay eggs and have them hatch inside the mother and the baby sharks leave after they are old enough (ovoviviparous)

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Prerona Chatterjee from Delhi Public School North Kolkata, Kolkata
Subject :NSO    Class : Class 4

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Akshaj C S from Sh thevara, thevara
Subject :NSO    Class : Class 4

Three identical seeds are planted and grown in identical pots of soil. All three pots receive equal amounts of sunlight. The plants are watered once each day. Plant X is given 20 mL of water. Plant Y is given 40 mL of water. Plant Z is given 60 mL of water. The height of each plant is measured and recorded after ten days. Which question could be answered by this experiment?

A How much space does a plant need to grow?
B How much soil does a plant need to grow?
C How much water will make a plant grow tallest?
D How much sunlight will make a plant grow tallest?

Ans 1:

Prerona Chatterjee from Delhi Public School North Kolkata, Kolkata
Class : Class 5
C is the answer

Ans 2:

Prerona Chatterjee from Delhi Public School North Kolkata, Kolkata
Class : Class 5
C is the answer

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VISHNU T M from b, Bengaluru
Subject :NSO    Class : Class 7

Ans 1:

Sahil Ray from Podar International School, Thane
Class : Class 7
answer is a

Ans 2:

VISHNU T M from b, Bengaluru
Class : Class 9
It is a

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monisha garg from carmel convent school sector 9 chandigarh, panchkula
Subject :NSO    Class : Class 4

Ans 1:

Ashwak from Cambridge, Jalandhar
Class : Class 8
The correct answer is C

Ans 2:

Dishita Santosh Walujkar from Nutan English School, Kurduwadi
Class : Class 7
correct ans is C

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