Which scientist is credited with developing the theory of evolution by natural selection?

Which chemical element has the highest melting point of all pure metals, used in light bulb filaments?

Which type of teeth are primarily used for tearing food in humans?

Which process in plants involves losing water vapour through stomata helping in cooling and nutrient transport?

Which acid in the stomach helps in the digestion of food and kills harmful bacteria?

Which layer at the back of the eye contains photoreceptor cells called rods and cones that detect light?

Which simple machine is used in a bottle opener to pry open a cap?

Which renewable energy source generates electricity by harnessing the flow of water through dams or rivers?

Which chamber of the heart receives deoxygenated blood from the body before sending it to the lungs?

Which vitamin is produced when ultraviolet light acts on cholesterol in the skin?

Which type of lens is used to correct myopia or nearsightedness?