In a food chain, herbivores are called: MCQ with Answer and Explanation

Explanation:
Beta-carotene is a provitamin A carotenoid, giving orange color; the body can convert it to retinol. Lycopene is red (tomato), xanthophyll yellow, chlorophyll green. Carotenoids are accessory pigments in photosynthesis.

Explanation:
Vitamin K is a cofactor for the enzyme γ-glutamyl carboxylase, which adds carboxyl groups to glutamic acid residues in clotting factors II, VII, IX, and X, allowing them to bind calcium and participate in coagulation. Deficiency leads to bleeding tendency.

Explanation:
Iron-deficiency anemia is the most prevalent nutritional deficiency worldwide, characterized by fatigue, pallor, and reduced oxygen-carrying capacity. It is treated with iron supplementation and dietary changes.