Light is necessary during photosynthesis for

MCQ

✓

Answer

Correct option: B.

Photolysis of water

b
(b) It is the first stage of photosynthesis which consists of light driven splitting of water or photolysis. Photolysis requires light energy.

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

$a$. It holds the different neighbouring cells together.

$b$. It is composed of Mg pectate only.

$c$. It gets dissolved during ripening of fruits.

Correct statements is/are

$(a)$ Mosses and Lichens are the firstorganisms to colonise a bare rock

$(b)$ Selaginella is a homosporous pteridophyte

$(c)$ Coralloid roots in Cycas have VA Micorrhizae

$(d)$ Main plant body in bryophytes isgametophytic, whereas in pteridophytes it is sporophytic

$(e)$ In gymnosperms, male and female gametophytes are present within sporangia located on sporophyte

Statement I: Ligases are enzymes that catalyse removal of groups from substrates by mechanisms other than hydrolysis leaving double bonds.
Statement II: Ligases are enzymes catalysing the linking together of two compounds.