Assertion : Bacteria have three basic shapes, i.e., round, rod, spiral.
Reason : Cocci and Bacilli may from clusters or chain of a definite length.

Assertion: Alarming growth rate of India culd lead to an absolute scarcity of even the basic requirements, i.e., food, shelter and cloting, inspite of significant progress made in those areas. Reason Many coupes, mostly the young, urban, working oones have even adopted a one child norm.

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : Moment of inertia of a circular disc of mass 'M' and radius 'R' about X, Y axes (passing through its plane) and Z-axis which is perpendicular to its plane were found to be I_(x),I_(y) and I_(z) respectively. The respective radii of gyration about all the three axes will be the same. Reason R : A rigid body making rotational motion has fixed mass and shape. In the light of the above statements, choose the most appropriate answer from the options given below :

Assertion (A) : p orbital is dumb- bell shaped Reason (R ) :Electron presents in p orbital can have any one of three value of magnetic quantum number i.e. 0,+1, or - 1

Assertion (A) : p orbital is dumb- bell shaped Reason (R ) :Electron presents in p orbital can have any one of three value of magnetic quantum number i.e. 0,+1, or - 1

Assertion (A) : p orbital is dumb- bell shaped Reason (R ) :Electron presents in p orbital can have any one of three value of magnetic quantum number i.e. 0,+1, or - 1

Assertion : When a Rubber band is stretched to a particular length, there is a change in length as well as the elastic potential energy is increased i.e., U=(1)/(2)Kx^(2) Reason : A bullet shot from the gun if embedded in a long of wood. Kinetic Energy is not conserved, but momentum is conserved, but momentum is conserved. The loss in kinetic is Delta theta = K.E_(i)-K.E_(f)