Class IX

The management and production of fish is called
  1. Pisciculture
  2. Apiculture
  3. Sericulture
  4. aquaculture
Rohu and catla are types of
  1. Freshwater fish
  2. Marine water fish
  3. Both I and II
  4. None of these
Cyperinus and Parthenium are types of
  1. Diseases
  2. Pesticides
  3. Weeds
  4. Pathogens
What is the process of growing two or more crops in a definite pattern?
  1. Crop rotation
  2. Inter-cropping
  3. Mixed cropping
  4. Organic cropping
What is the other name for Apis cerana indica?
  1. Indian cow
  2. Indian buffalo
  3. Indian bee
  4. None of these
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