Question

odd man out micropyle, nucellus, pollengrain, embryosac​

Answer 1

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ᴘᴏʟʟᴇɴ ɢʀᴀɪɴ ɪs ᴛʜᴇ ᴏᴅᴅ ᴏɴᴇ ᴏᴜᴛ✔✨

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Micropyle is a small opening in the surface of an ovule.

Embryo sac is the structure within a plant ovule that contains the egg cell.

Nucellus is the central part of an ovule, containing the embryo sac.

Pollen grain is a microscopic body that contains the male reproductive cell of a plant.

As all other structures are part of ovule apart from Pollen grain, therefore it is odd one out. Hence, option D is correct.

Answer 2

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ᴘᴏʟʟᴇɴ ɢʀᴀɪɴ ɪs ᴛʜᴇ ᴏᴅᴅ ᴏɴᴇ ᴏᴜᴛ✔✨

${\huge{\underline{\orange{\mathbb{EXPLANATION:-}}}}} </p><p>EXPLANATION:−$

Micropyle is a small opening in the surface of an ovule.

Embryo sac is the structure within a plant ovule that contains the egg cell.

Nucellus is the central part of an ovule, containing the embryo sac.

Pollen grain is a microscopic body that contains the male reproductive cell of a plant.

As all other structures are part of ovule apart from Pollen grain, therefore it is odd one out. Hence, option D is correct.