MCQ
Nostoc is known to perform
- AOnly photosynthesis
- ✓Photosynthesis and nitrogen fixation simultaneously
- COnly nitrogen fixation
- DEither photosynthesis or nitrogen fixation at a time
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$\begin{array}{|p{0.3\linewidth}|p{0.6\linewidth}|} \hline Column\,\,-I & Column\,\,-II \\ \hline A.\,\,Cytokinin & i.\,\,Stimulates\,\,closure\,\,of\,\,stomata \\ \hline B.\,\,Ethylene & ii.\,\,Increases\,\,stem\,\,length \\ \hline C.\,\,Gibberellin & iii.\,\,Promotes\,\,lateral\,\,shoot\,\,grow \\ \hline D.\,\,Abscisic\,\,acid & iv.\,\,Found\,\,in\,\,large\,\,amount\,\,in\,\,tissues\,\,undergoing\,\,senescence. \\ \hline \end{array}$
$a - b - c - d$
$I.$ sample $DNA$ is cut into fragments
$II.$ restriction endonucleases
$III.$ agarose gel
$IV.$ ethidium bromide
$V.$ UV-radiation
$VI.$ elution
Mark the correct sequence of their use