MCQ
Periderm is produced from
- ✓Cork cambium
- BProcambium
- CSecondary cortex
- DVascular cambium
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$I.$ Funaria possesses unicellular and unbranched rhizoids
$II.$ Gemmae are asexual buds, which originate from small receptacles called gemma cups
$III.$ The Sphagnum plants have magnificent property of retaining water
$IV.$ Mosses along with lichens are the first organisms to colonise rocks
Which of the statements given above are correct?
| $A$ | Boron | $i.$ | Splitting of $\text{H2o}$ to liberate $o_2$ during photosynthesis. |
| $B$ | Mamganese | $ii.$ | Needed for synthesis of auxins. |
| $C$ | Molybdenum | $iii.$ | Component of nitrogenase. |
| $D$ | Zinc | $iv.$ | Pollen germinnation. |
| $E$ | Iron | $v.$ | Component of ferredoxin. |