MCQ
Included in Solanum.
- ✓Melongena, Nigrum
- BMangifera, Panthera
- CFelidae, Canidae
- DNigrum, Felis
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$(i)$ Unicellular, colonial, filamentous, symbiotic or free living.
$(ii)$ The colonies are surrounded by a gelatinous sheath.
$(iii)$ Some can fix atmospheric nitrogen in specialized cells called heterocysts.
$(iv)$ They often form blooms in water bodies.

The $NADH$ synthesised in ...$A$... is transferred into the mitochondria and undergoes oxidative ...$B$...
$I.$ Ethidium bromide
$II.$ Restriction endonuclease
$III.$ Agarose
$IV.$ $UV$ radiation
Choose the correct option:
