Identify the correct statement about the digestive enzymes: MCQ with Answer and Explanation

Explanation:
Osmosis is the special case of diffusion of water across a semipermeable membrane down its concentration gradient (from high to low water potential). It does not require energy. Diffusion refers to solute movement, active transport requires energy against a gradient, and plasmolysis is the shrinking of protoplasm due to water loss.

Explanation:
Autotrophs produce organic compounds from inorganic CO₂ and water using light energy (photosynthesis). This exactly defines green plants. So both are true, and R explains A.

Explanation:
The dental formula represents the number of each type of tooth in one half of the upper and lower jaws. For an adult human, it is 2123 / 2123. This means: 2 Incisors, 1 Canine, 2 Premolars, and 3 Molars in each quadrant (upper right, upper left, lower right, lower left), totaling 32 teeth.