B. SHORT ANSWER TYPE QUESTIONS
1. Name the factors on which the quality of wool is judged.
2. What is a cocoon?
3. What is selective breeding?
4. What is sericulture ?
5. Give one use of each wool and silk
Answers
Answer:
2nd answer cocoon is formed when caterpillars change into butterfly
Aɴs 1) Mᴀɴʏ ғᴀᴄᴛᴏʀs ᴅᴇᴛᴇʀᴍɪɴᴇ ᴛʜᴇ ϙᴜᴀʟɪᴛʏ (ᴀɴᴅ ᴠᴀʟᴜᴇ) ᴏғ ᴡᴏᴏʟ. Tʜᴇsᴇ ɪɴᴄʟᴜᴅᴇ ғɪʙᴇʀ ᴅɪᴀᴍᴇᴛᴇʀ, ᴄʀɪᴍᴘ, ʏɪᴇʟᴅ, ᴄᴏʟᴏʀ, ᴘᴜʀɪᴛʏ, ᴀɴᴅ sᴛᴀᴘʟᴇ ʟᴇɴɢᴛʜ ᴀɴᴅ sᴛʀᴇɴɢᴛʜ. Fɪʙᴇʀ ᴅɪᴀᴍᴇᴛᴇʀ, ᴀʟsᴏ ᴄᴀʟʟᴇᴅ ғɪɴᴇɴᴇss, ɪs ᴛʜᴇ ᴀᴄᴛᴜᴀʟ ᴍᴇᴀsᴜʀᴇᴍᴇɴᴛ ᴏғ ᴛʜᴇ ᴛʜɪᴄᴋɴᴇss ᴏғ ᴛʜᴇ ᴡᴏᴏʟ ғɪʙᴇʀ. Iᴛ ɪs ᴍᴇᴀsᴜʀᴇᴅ ɪɴ ᴍɪᴄʀᴏɴs (μᴍ), ᴡʜɪᴄʜ ɪs ᴏɴᴇ ᴍɪʟʟɪᴏɴᴛʜ ᴏғ ᴀ ᴍᴇᴛᴇʀ.
Aɴs 2) ᴀ sɪʟᴋʏ ᴄᴀsᴇ sᴘᴜɴ ʙʏ ᴛʜᴇ ʟᴀʀᴠᴀᴇ ᴏғ ᴍᴀɴʏ ɪɴsᴇᴄᴛs ғᴏʀ ᴘʀᴏᴛᴇᴄᴛɪᴏɴ ᴀs ᴘᴜᴘᴀᴇ ɪs ᴄᴀʟʟᴇᴅ ᴄᴏᴄᴏᴏɴ
Aɴs 3) Sᴇʟᴇᴄᴛɪᴠᴇ ʙʀᴇᴇᴅɪɴɢ ɪs ᴛʜᴇ ᴘʀᴏᴄᴇss ʙʏ ᴡʜɪᴄʜ ʜᴜᴍᴀɴs ᴜsᴇ ᴀɴɪᴍᴀʟ ʙʀᴇᴇᴅɪɴɢ ᴀɴᴅ ᴘʟᴀɴᴛ ʙʀᴇᴇᴅɪɴɢ ᴛᴏ sᴇʟᴇᴄᴛɪᴠᴇʟʏ ᴅᴇᴠᴇʟᴏᴘ ᴘᴀʀᴛɪᴄᴜʟᴀʀ ᴘʜᴇɴᴏᴛʏᴘɪᴄ ᴛʀᴀɪᴛs ʙʏ ᴄʜᴏᴏsɪɴɢ ᴡʜɪᴄʜ ᴛʏᴘɪᴄᴀʟʟʏ ᴀɴɪᴍᴀʟ ᴏʀ ᴘʟᴀɴᴛ ᴍᴀʟᴇs ᴀɴᴅ ғᴇᴍᴀʟᴇs ᴡɪʟʟ sᴇxᴜᴀʟʟʏ ʀᴇᴘʀᴏᴅᴜᴄᴇ ᴀɴᴅ ʜᴀᴠᴇ ᴏғғsᴘʀɪɴɢ ᴛᴏɢᴇᴛʜᴇʀ.
Aɴs 4) ᴛʜᴇ ᴘʀᴏᴅᴜᴄᴛɪᴏɴ ᴏғ sɪʟᴋ ᴀɴᴅ ᴛʜᴇ ʀᴇᴀʀɪɴɢ ᴏғ sɪʟᴋᴡᴏʀᴍs ғᴏʀ ᴛʜɪs ᴘᴜʀᴘᴏsᴇ ɪs ᴄᴀʟʟᴇᴅ sᴇʀɪᴄᴜʟᴛᴜʀᴇ
Aɴs 5) Wᴏᴏʟ ᴄᴀɴ ʙᴇ ᴡᴏᴠᴇɴ ɪɴᴛᴏ ᴄʟᴏᴛʜ ᴀɴᴅ ʏᴏᴜ ᴄᴀɴ ᴍᴀᴋᴇ/sᴇᴡ ᴄʟᴏᴛʜᴇs ᴡɪᴛʜ ɪᴛ sᴜᴄʜ ᴀs ᴀ ᴄᴏᴀᴛ ᴏʀ ᴀ sᴋɪʀᴛ, ᴏʀ ʏᴏᴜ ᴋɴɪᴛ/ᴄʀᴏᴄʜᴇᴛ ᴡɪᴛʜ ɪᴛ ᴏɴᴄᴇ sᴘᴜɴ ɪɴᴛᴏ ʏᴀʀɴ ᴀɴᴅ ᴍᴀᴋᴇ ʜᴀᴛs ɢʟᴏᴠᴇs sᴄᴀʀᴠᴇs ᴏʀ ᴋɴɪᴛ ɢᴀʀᴍᴇɴᴛs. Sɪʟᴋ ɪs ᴀ ᴍᴜᴄʜ ʟɪɢʜᴛᴇʀ ᴛʜʀᴇᴀᴅ ᴀɴᴅ ᴄᴀɴ ᴀʟsᴏ ʙᴇ ᴡᴏᴠᴇɴ ᴀɴᴅ ᴏғᴛᴇɴ ɴɪɢʜᴛᴡᴇᴀʀ ᴏʀ ᴡᴇᴅᴅɪɴɢ ᴅʀᴇssᴇs ᴏʀ sᴜɪᴛs ᴀʀᴇ ᴍᴀᴅᴇ ғʀᴏᴍ ᴛʜᴇ ᴍᴀᴛᴇʀɪᴀʟ ᴍᴀᴅᴇ.