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Aurinjay Mukhopadhyay from Future Foundation School, KOLKATA
Subject :NSO    Class : Class 4

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Greeshma from Delhi Public School, BANGALORE
Subject :NSO    Class : Class 8

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Avikshit Chakraborty from Holy Child , Jalpaiguri
Subject :NSO    Class : Class 2

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rishika from manthan, djjcfrd
Subject :NSO    Class : Class 7

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Nishan Asif from INDIAN SCHOOL SOHAR OMAN, SUHAR
Subject :NSO    Class : Class 9

Ans 1:

Nishan Asif from INDIAN SCHOOL SOHAR OMAN, SUHAR
Class : Class 9
.

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Ashfaq Mohamed from Private International English School, Abudhabi
Subject :NSO    Class : Class 9

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Yuven Kumar from Bonsan International School, bangalore
Subject :NSO    Class : Class 4

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Prabhav Priyash Panda from Atomic Energy Central School, Narora, Bulandhshahr
Subject :NSO    Class : Class 6

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Vedha from Delhi Public School Indirapuram, Delhi
Subject :NSO    Class : Class 9

Refer to the given figure and select the correct statement regarding it.


A P is selectively permeable whereas S is freely permeable to small molecules.
B Q contains the green pigment molecules and is the site of dark reaction during photosynthesis.
C R is a green coloured, agranular substance where dark reaction takes place during photosynthesis.
D R is the site of dark reaction whereas Q is the site of light reaction during photosynthesis.

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Ram K from Sanskriti, Hyderabad
Subject :NSO    Class : Class 8

A floor has a maximum loading capacity of 5 kN m-2. Which of the following is allowed on this floor? (Take g = 10 N kg-1)

AAn elephant weighing 50 kN stands on 4 legs with each foot covering 4000 cm2 of the floor.
BA 50 kg lady wears a pair of high heel shoes, each shoe has a contact area of 9 cm2 with the floor.
CA 100 kg washing machine stands on a surface area of 6500 cm2.
DA designer's table weighing 1000 N stands on 3 legs, each leg has a contact area of 0.1 cm2 with the floor.


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