Which is the toxin-causing bacterium that spoils cream, cheese and milk and makes them taste bitter, sour or bitter?

Bacillus cereus

The correct answer is Option (1) – Bacillus cereus

Out of the choices you listed, the toxin-causing bacterium that spoils cream, cheese, and milk is: Bacillus cereus

Bacillus cereus is responsible for the spoilage of cream, cheese, and milk, resulting in a rancid, sour, or bitter taste.It is a Gram-positive, rod-shaped bacterium with facultative anaerobic characteristics, motility, and the ability to form spores. It is commonly found in soil, food, and marine sponges.The specific name "cereus," derived from Latin, describes the waxy appearance of colonies grown on blood agar. Bacillus cereus is a foodborne pathogen capable of producing toxins that lead to two types of gastrointestinal illnesses: the emetic (vomiting) syndrome and the diarrheal syndrome.