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Wall of pollen grain is called as ________

Asporopollenin

Bsporoderm

Cstomium

Dtapetum

Answer:

B. sporoderm

Read Explanation:

  • Pollen grains are the male gametes.

  • They’ve a wall like protective covering.

  • Sporoderm is the wall or covering of the pollen grain.

  • It has two layers.

  • Exine-the outer layer and intine-the inner layer.


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Match following and choose the correct option

(a) Etaerio of achenes - (i) Annona

(b)Etaerio of berries - (ii) Calotropis

(c) Etaerio of drupes - (iii) Lotus

(d) Etaerio of follicles - (iv) Rubus

താഴെ പറയുന്നവയിൽ ഏതാണ് സസ്യ പ്രജനനവുമായി ബന്ധമില്ലാത്തത്?