Splicing of $RNA$ means......

$RNA$ synthesis is controlled by:

Which structure is responsible for the synthesis of $m-RNA$?

Out of the two strands of $DNA$,one is carrying genetic information for transcription and it is called:

Which of the following statements is incorrect for the process of transcription?

Which of the following statements are correct?
$(i)$ From one molecule of $\text{DNA}$,several molecules of $\text{RNA}$ can be formed.
$(ii)$ The $\text{RNA}$ forming part is known as the translational unit.
$(iii)$ The promoter is located at the $5'$ upstream end.
$(iv)$ The promoter and terminator flank the structural gene in a transcription unit.