With the help of arrow signs, show the major evolutionary events as occurred gradually after the origin of life.

Show the major evolutionary events with the help of a flow chart.

Origin of life occurred in

Go through the following diagram carefully which of the following option shows the correct labelling and events occurring in that organ:-

A multicellular, filamentous alga exhibits a type of sexual life cycle in which the meiotic division occurs after the formation of zygote. The adult filament of this alga has

Let E denote the random experimnet of rolling two unbiased dice and A and B are two events connected with E. The event A occur if the sum of the digits shown on the two dice is 7 while the event B occurs if at least one of the dice shows up a 4. show that the events A and B neither mutually exclusive nor exhaustive.

What is Plasmid vector? With the help of a word diagram show how cell mediated DNA cloning is occurred.

Which of the following is the correct sequence of events in the origin of life I. Formation of protobionts II. Synthesis of organic monomers III. Synthesis of organic polymers IV. Formation of DNA-based genetic systems

The light from a clear blue portion of the sky shows a rise and fall of intensity when viewed through a polaroid which is rotated. Describe, with the help of a suitable diagram, the basic phenomenom/process which occurs to explain this observation.

State various events occuring during cardiac cycle with the help of a word diagram.

After pollination which of the following events is crucial for fertilization to occurs in flowering plants ?