How do the pollen grains break open from the pollen sacs?

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AAlong the connective

BLine of dehiscence

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Answer:

Line of dehiscence is the line along which the anther opens up and spills all the contents inside it.
When this line of dehiscence opens up, the pollen grains fall out of it and are carried away by environmental factors like wind, water, animals, etc.

Related Questions:

ചിത്രത്തിൽ നിന്നും കടലിലെ മഴക്കാടുകൾ എന്നറിയപ്പെടുന്നത് ഏതെന്ന് കണ്ടെത്തുക ?

Observe the relationship between the words and fill up the blanks with word having similar relationship.

(i) Haematoxylin : Haematoxylon campechianum ; Cork : ..............

(ii) Phellogen : Cork cambium ; .............. : cork

(iii) Ovule-funicle : Seed stalk ; Ovule-nucellus : ................

(iv) Brachysclereids : ........................... ; Osteosclereids : Prop cells