The organelle responsible for the synthesis of lipids and detoxification of drugs in liver cells is: MCQ with Answer and Explanation

Explanation:
The iris contains smooth muscle fibers (sphincter and dilator) that regulate the diameter of the pupil. The cornea and lens focus light, retina senses it.

Explanation:
Xerophytes (desert plants) have adaptations like thick cuticle, sunken stomata, and reduced leaves to minimize transpiration and conserve water. The reason correctly explains the adaptation.

Explanation:
The pleura is a double-layered serous membrane surrounding each lung; the visceral pleura adheres to the lung surface, and the parietal pleura lines the chest wall. The space between them contains pleural fluid, reducing friction during breathing. Pericardium surrounds the heart, peritoneum lines the abdominal cavity, meninges cover the brain and spinal cord.