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Subject :NSO    Class : Class 6

A few statements about centrifugation method are given :
I. The mixture containing very small suspended particles is rotated at a high speed in a centrifuge machine.
II. The denser particles stay at the top.
III. The method is used to separate water from wet clothes in a washing machine.
IV. The method can be used in laboratories for separating plasma and platelets.
The correct statements are

A I and IV only
B I, II and III only
C II, III and IV only
D I, III and IV only


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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
option c is opposite like all the letters in the figure

Ans 2:

Class : Class 3
becase in the figure all the letters seem to be in the opposite direction while options a b and d are not showing them in th opposite direction and option c is showing

Ans 3:

Class : Class 4
c as it is facing opposite side

Ans 4:

Class : Class 3
The question has all mirror images...... So answer has to be a mirror image.

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Subject :NSO    Class : Class 3

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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1
The correct answer is D.

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 9
cutaneous respiration

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
Answer is (c)

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 6

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