The enzyme in saliva that begins starch digestion is: MCQ with Answer and Explanation

Explanation:
The Red Data Book (or Red List) is a comprehensive document maintained by the International Union for Conservation of Nature (IUCN). It records the global conservation status of plant and animal species. It categorizes species based on their risk of extinction, using categories like Extinct, Extinct in the Wild, Critically Endangered, Endangered, Vulnerable, Near Threatened, and Least Concern. It serves as a critical tool for identifying species that require urgent conservation efforts.

Explanation:
Antonie van Leeuwenhoek was the first to observe and describe living microorganisms, including bacteria, using his single-lens microscopes. Robert Koch formulated Koch's postulates, a set of criteria to establish that a specific microorganism causes a specific disease. Alexander Fleming discovered penicillin; streptomycin was discovered by Selman Waksman. Thus, statements 1 and 2 are correct.

Explanation:
Zymase is the enzyme complex in yeast that catalyzes alcoholic fermentation, converting pyruvate to ethanol and CO₂. Invertase hydrolyzes sucrose, lactase breaks lactose, maltase breaks maltose. Zymase activity is exploited in baking and brewing industries.