যে সকল word এর singular এবং plural একই (যেমন ,sheep,fish ) সে সকল word গুলোকে zero plural marker বলে।এ সকল word এর শেষে s/es যুক্ত হয় না ।সুতরাং সঠিক উত্তর cannon যার singular এবং plural form একই। A) canon: can have both singular and plural forms: canon/canons. B) scenery: doesn't have a plural form, it remains "scenery" regardless of quantity. এটি uncountable noun. C) crisis: has both singular and plural forms: crisis/crises. D) physics: is a mass noun and doesn't have a plural form, thus using the zero plural marker.
