STD 11 - 2. Biology classification — NEET STD 11 Science — Question

Assertion : It is believe that the first cell on this planet lived in an atmosphere that lacked oxygen.
Reason: Living organisms retain the enzymatic machinery to partially oxidise glucose without the help of oxygen.

Sunflower

Choose correct statements for fermentation :
(i) Fermentation takes place under aerobic conditions in many prokaryotes and unicellular eukaryotes.
(ii) In fermentation, say by yeast, the incomplete oxidation of glucose is achieved
(iii) In fermentation pyruvic acid is converted to CO₂, and ethanol.
(iv) The enzymes, pyruvic acid decarboxylase and alcohol dehydrogenase catalyse these reactions.
(v) Other organisms like some bacteria converts lactic acid to pyruvic acid and CO₂.
(vi) In animal cells also, like muscles during exercise, when oxygen is inadequate pyruvic acid is reduced to lactic acid by lactate dehydrogenase.

Which hormone induces fruit ripening