MEDIUM
9th Tamil Nadu Board
IMPORTANT
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What are the types of vegetable garden?

Important Questions on Economic Biology

MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 23 - Economic Biology>textbook exercises>Q vi
Mention any two mushroom preservation methods.
MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 23 - Economic Biology>textbook exercises>Q vi
Enumerate the advantages of vermicompost over chemical fertiliser.
MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 23 - Economic Biology>textbook exercises>Q vi
What are the species of earthworm used for vermiculture?
EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 23 - Economic Biology>textbook exercises>Q vi
List the medicinal importance of honey.
MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 23 - Economic Biology>textbook exercises>Q vii
Enumerate the advantage of hydroponics.
MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 23 - Economic Biology>textbook exercises>Q vii
Define Mushroom culture. Explain the mushroom cultivation methods.
MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 23 - Economic Biology>textbook exercises>Q vii
What are the sources of organic resources for vermicomposting?
HARD
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 23 - Economic Biology>textbook exercises>Q vii
Give an account of different types of fish ponds used for rearing fishes.