Subject :NSO Class : Class 4
Class : Class 5
(A) cannot be the right answer as once the water vaporizes, there is no scope for sedimentation.
(B) cannot be the right answer as once the mixture is filtered, the sand shall be collected on the filter paper while the clean water shall be collected in a beaker.Evaporation is not required.
The answer is (C) because sand is heavier than water and shall settle down at the bottom of the beaker.This process is called sedimentation.Subsequently,the clear water from the top can be decanted out.
(D) cannot be the right answer as once decantation is done, the clear filtrate shall be left over and filtration is not required.
Subject :NSO Class : Class 7
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 9
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 8
Ans 2:
Class : Class 8
I think u meant incorrect not correcttestes only produces sperm in external temperaturesit cannot produce gametes in internal temperatures so it is present out side not in the cavityamoeba undergoes multiple fissionand what you gave has nothing to do with mensuration.please correct these mistakes!!
Ans 4:
Class : Class 8
Under normal circumstances, Amoeba undergoes binary fission. Also ,in multiple fission, the organism divides into four daughter cells. Please correct this error
Ans 7:
Class : Class 8
If you meant incorrect statements option d would be correct but in the question it says correct statementsPLEASE RECTIFY THIS ERROR