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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 8

The given pie chart depicts the percentage population of five animals in a grassland ecosystem that are related to each other in a food chain. If heavy pesticides are sprayed on plants in this area then select the option that correctly depicts the ascending order of pesticide concentration in living tissues of animals at different trophic levels.


A P < Q < R < S < T
B T < S < R < Q < P
C R < T < P < Q < S
D S < T < R < Q < P


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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
answer is 84

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Subject :NSO    Class : Class 3

Read the given paragraph. Riya is making snowman with her friends in her backyard whereas Saurabh is busy with clicking photographs of blooming flowers and greenery adding to scenic beauty all around.
Identify the places where Riya and Saurabh dwell and the weather they are experiencing and select the INCORRECT option regarding this.

A Riya might be wearing clothes sourced from an animal fibre.
B The area where Riya lives, receives precipitation in the form of solid state of water.
C Saurabh is experiencing the season when Holi is celebrated.
D Floods are of common occurrence where Riya lives.


Why ans is option D

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 10

Ans 1:

Class : Class 10
The answer for this question is 0.5m/s.first you should find the initial distance of the object.then after the object is moven try to find the final position of object .you can find this by using mirror formula.after this you woul get the initial and the final positions of the object as -50m and -25m respectively.then taked the distance covered by the object as 25 and divide it by time 20sec to calculate the speed of object and finally you get your answer as 0.5m/s. HOPE THIS WILL HELP YOU.

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