Science MCQs

Transplantation involves replacing a damaged organ with a donor organ.

Kidney transplants are the most common due to conditions like diabetes.

Biomedical engineers design and build artificial organs and devices.

Root hairs on roots absorb water and minerals from the soil.

Transpiration is the evaporation of water from plant surfaces.

Xylem vessels transport water and minerals from roots to leaves.

Phloem transports prepared food from leaves to other parts.

Translocation is the movement of food through phloem.

Stomata allow gases like CO2 and O2 to enter and exit the leaf.

Root hairs increase surface area for water and mineral absorption.