MCQ
Micropyle allows
- ✓Pollen tube to penetrate in the ovule at the time of fertilization
- BActivity of germination of pollen grains
- CA pore in pollen grain
- DThe growing up of pollen grain
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$I.$ 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?
$Y -$ Crossing over is the exchange of genetic material between two homologous chromosomes.
$R$ : It has a pair of peripheral doublet and a pair of centrally located microtubules.