$(1)$ Rhodophyceae - Pyrenoids
$(2)$ Pheiophyceae - Laminarin
$(3)$ Bryophytes - Mannitol
$(4)$ Chlorophyceae - Floridean starch
$(1)$ Rhodophyceae - Pyrenoids
$(2)$ Pheiophyceae - Laminarin
$(3)$ Bryophytes - Mannitol
$(4)$ Chlorophyceae - Floridean starch
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$R$ : Deoxyribonuclease will digest $DNA$ while $RNA$ will be intact.
| Column $I$ | Column $II$ |
| $a.$ Auxin | $(i)$ Root hair formation |
| $b.$ Cytokinin | $(ii)$ Seed development |
| $c.$ Ethylene | $(iii)$ Xylem differentiation |
| $d.$ $ABA$ | $(iv)$ Nutrient mobilisation |

$A$. Asexual reproduction occurs usually by biflagellate zoospores.
$B$. Sexual reproduction is by oogamous method only.
$C$. Stored food is in the form of carbohydrates which is either mannitol or laminarin.
$D$. The major pigments found are chlorophyll $a$, $c$ and carotenoids and xanthophyll.
$E$. Vegetative cells have a cellulosic wall, usually covered on the outside by gelatinous coating of algin.
Choose the correct answer from the options given below: