The respiratory pigment in earthworm is: MCQ with Answer and Explanation

Explanation:
Ingestion is the act of taking food and liquids into the body through the mouth. Digestion is the breakdown, absorption is nutrient uptake, egestion is waste elimination. Ingestion is the first step in nutrition.

Explanation:
Vitamin K-dependent carboxylation allows prothrombin and other clotting factors to bind calcium and participate in coagulation. Deficiency prolongs clotting time.

Explanation:
Rabies is a viral zoonotic disease caused by the rabies virus, transmitted through the saliva of infected animals (dogs, bats, raccoons) via bites or scratches. It affects the central nervous system and is almost always fatal once symptoms appear. Post-exposure prophylaxis (wound cleaning, rabies immunoglobulin, and vaccine) is effective if given promptly.