cOLLECTIVE NOUNS: poultry,cattle vermin and genetry USED AS PLURUL?????
Yes, some collective nouns always take the plural form. Others can take either - depending on usage.
But cattle happens to only take the plural form.
Poultry - on the other hand - can take either singular or plural.
"Poultry is a category of food in a restaurant menu."
"Poultry are difficult for farmers to manage"
Note these subtleties, while interesting, are not important for GMAT questions. Focus on other more important things.
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