In the following passage some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each blank.
Comprehension:

Chemical additives have a cosmetic effect. Additives are (1)______ used in the food industry. Colour (2)______food attractive. Colour creates interest. Flavour and aroma (3)______food are important for marketing (4)______. Flavour and aroma present in food have an appetizing effect on (5)______.