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NCERT TAMIL-TRENDS IN ECONOMIC ZOOLOGY-Evaluation
- Assertion: The best quality of pearl is known as lingha pearl and obta...
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- Choose the correctly matched pair. {:(1. "Egg layers",-, "Brahma"),(...
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- Write the advantages of vermicomposting.
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- Name the three caste in a honey bee colony.
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- Name the following. i. The largest bee in the colony.
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- Name the following. ii. The kind of flight which the new virgin quee...
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- What are the main duties of a worker bee ?
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- What happens to the drones after mating fight ?
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- Give the economic importance of Silkworm.
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- What are the nutritive values of fishes?
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- Give the economic importance of prawn fishery.
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- Give the economic importance of lac insect.
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- List any three common uses of shellac.
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- Name any two trees on which lac insect grows.
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- What is seed lac?
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- Define cross breeding.
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- What are the advantages of artificial insemination ? D
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- Discuss the various techniques adopted in cattle breeding.
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- Mention the advantages of MOET.
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- Write the peculiar characters of duck.
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