Question

Why do fireflies glow at night ?
(Class 10 Chemistry chapter 1)

Answer 1

ʜᴇʏᴀ...



ʏᴏᴜʀ ᴀɴsᴡᴇʀ-


ғɪʀᴇ ғʟɪᴇs ɢʟᴏᴡs ᴀᴛ ɴɪɢʜᴛ ʙᴇᴄᴀᴜsᴇ ғɪʀᴇ ғʟɪᴇs ʜᴀᴠᴇ ᴀ ᴘʀᴏᴛᴇɪɴ ᴡʜɪᴄʜ ɪɴ ᴛʜᴇ ᴘʀᴇsᴇɴᴄᴇ ᴏғ ᴇɴɢʏᴍᴇ ᴜɴᴅᴇʀɢᴏᴇs ᴀᴇʀɪᴀʟ ᴏᴅɪᴅᴀᴛɪᴏɴ.ᴛʜɪs ɪs ᴀ ᴄʜᴇᴍɪᴄᴀʟ ʀᴇᴀᴄᴛɪᴏɴ ᴡʜɪᴄʜ ɪɴᴠᴏʟᴠᴇs ᴇᴍɪssɪᴏɴ ᴏғ ᴠɪsɪʙʟᴇ ʟɪɢʜᴛ.

ᴛʜᴇʀᴇғᴏʀᴇ,ғɪʀᴇ ғʟɪᴇs ɢʟᴏᴡs ᴀᴛ ɴɪɢʜᴛ...

ʜᴏᴘᴇ ɪᴛ ʜᴇʟᴘs ᴜ ғʀɪᴇɴᴅ...!!!

ᴘʀɪʏᴀ....

ʜᴀᴠᴇ ᴀ ɴɪᴄᴇ ᴅᴀʏ...

Answer 2

Fireflies have a special substance called luciferin on their body
This luciferin gets oxidised in the presence of some enzymes and air. This substance on oxidising emits light.

Thus fireflies glow at night.


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