life process

Which of the following is a process by which green plants prepare their own food?

• Respiration

• Photosynthesis

• Digestion

• Transpiration

Which gas is released during the process of photosynthesis?

• Carbon dioxide

• Oxygen

• Nitrogen

• Hydrogen

Which of the following is not an enzyme involved in digestion?

• Amylase

• Pepsin

• Trypsin

• Insulin

The main function of the stomata is to:

• Absorb water

• Exchange gases

• Transport food

• Absorb nutrients

Which component of blood helps in clotting?

• Red blood cells

• White blood cells

• Platelets

• Plasma

Which part of the human digestive system secretes hydrochloric acid?

• Mouth

• Stomach

• Small intestine

• Liver

The process of inhaling oxygen and exhaling carbon dioxide is known as:

• Digestion

• Photosynthesis

• Respiration

• Excretion

Which structure in the plant cell is the site of photosynthesis?

• Mitochondria

• Chloroplast

• Nucleus

• Endoplasmic reticulum

The functional unit of the kidney is:

• Neuron

• Nephron

• Glomerulus

• Loop of Henle

Which of the following organisms use anaerobic respiration?

• Humans

• Fish

• Yeast

• Plants