Question

Cellulosa is present in which layer of microsporangium

Answer 1

The microspores divide by mitosis to produce pollen grains. In angiosperms, a very young anther (the part of the stamen that contains the pollen) consists of actively dividing meristematic cells surrounded by a layer of epidermis. It then becomes two-lobed.By the the spelling of cellulose is wrong dude.

Hope it helps you.

Mark me the braianliest answer.

Answer 2

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★ A ᴛʏᴘɪᴄᴀʟ ᴍɪᴄʀᴏsᴘᴏʀᴀɴɢɪᴜᴍ ᴀᴘᴘᴇᴀʀs ᴄɪʀᴄᴜʟᴀʀ ᴀɴᴅ ɪs sᴜʀʀᴏᴜɴᴅᴇᴅ ʙʏ ғᴏᴜʀ ᴡᴀʟʟs:

(ɪ) ᴇᴘɪᴅᴇʀᴍɪs: ɪᴛ ɪs ᴛʜᴇ ᴏᴜᴛᴇʀᴍᴏsᴛ sɪɴɢʟᴇ ʟᴀʏᴇʀ ᴏғ ᴄᴇʟʟ ᴡʜɪᴄʜ ɪs ᴘʀᴏᴛᴇᴄᴛɪᴠᴇ ɪɴ ɴᴀᴛᴜʀᴇ.

(ɪɪ) ᴇɴᴅᴏᴛʜᴇᴄɪᴜᴍ: ɪᴛ ɪs ᴛʜᴇ sᴇᴄᴏɴᴅ ʟᴀʏᴇʀ ᴡɪᴛʜ ᴛʜɪᴄᴋ ᴄᴇʟʟs, ʜᴇʟᴘ ɪɴ ᴅᴇʜɪsᴄᴇɴᴄᴇ ᴀɴᴅ ɪs ᴘʀᴏᴛᴇᴄᴛɪᴠᴇ ɪɴ ɴᴀᴛᴜʀᴇ.

(ɪɪɪ) ᴍɪᴅᴅʟᴇ ʟᴀʏᴇʀ: ɪᴛ ɪs ᴛʜᴇ ᴛʜɪʀᴅ ʟᴀʏᴇʀ ᴄᴏᴍᴘᴏsᴇᴅ ᴏғ 1-3 ʟᴀʏᴇʀs ᴏғ ᴄᴇʟʟs, ʜᴇʟᴘ ɪɴ ᴅᴇʜɪsᴄᴇɴᴄᴇ ᴀɴᴅ ɪs ᴘʀᴏᴛᴇᴄᴛɪᴠᴇ ɪɴ ɴᴀᴛᴜʀᴇ.

(ɪᴠ) Tᴀᴘᴇᴛᴜᴍ: ɪᴛ ɪs ᴛʜᴇ ғᴏᴜʀᴛʜ ᴀɴᴅ ɪɴɴᴇʀᴍᴏsᴛ ʟᴀʏᴇʀ ᴏғ ᴄᴇʟʟ ᴡɪᴛʜ ᴅᴇɴsᴇ ᴄʏᴛᴏᴘʟᴀsᴍ ᴀɴᴅ ᴍᴀɴʏ ɴᴜᴄʟᴇɪ. ɪᴛ ᴘʀᴏᴠɪᴅᴇs ɴᴏᴜʀɪsʜᴍᴇɴᴛ ᴛᴏ ᴛʜᴇ ᴅᴇᴠᴇʟᴏᴘɪɴɢ ᴘᴏʟʟᴇɴ ɢʀᴀɪɴs.

★ᴛʜᴇ ᴄᴇɴᴛʀᴇ ᴏғ ᴇᴀᴄʜ ᴍɪᴄʀᴏsᴘᴏʀᴀɴɢɪᴜᴍ ɪs ғɪʟʟᴇᴅ ᴡɪᴛʜ ᴄʟᴏsᴇʟʏ ᴀʀʀᴀɴɢᴇᴅ sɪᴍɪʟᴀʀ ᴄᴇʟʟs ᴄᴀʟʟᴇᴅ sᴘᴏʀᴏɢᴇɴᴏᴜs.

★ᴀᴛ ᴍᴀᴛᴜʀɪᴛʏ, ᴘᴏʟʟᴇɴ sᴀᴄ ɪs ғᴏʀᴍᴇᴅ ʙʏ ғᴜsɪᴏɴ ᴏғ ᴛᴡᴏ ᴍɪᴄʀᴏsᴘᴏʀᴀɴɢɪᴜᴍ ɪɴᴇᴀᴄʜ ʟᴏʙᴇ.

★ᴀ ᴍᴀᴛᴜʀᴇ ᴀɴᴛʜᴇʀ ᴅᴇʜɪsᴄᴇs ʙʏ sʟɪᴛs ᴀɴᴅ ʟɪʙᴇʀᴀᴛᴇ ᴛʜᴇ ᴘᴏʟʟᴇɴ ɢʀᴀɪɴ.