gcse biology paper 1 and 2
What is the role of the mitochondria in a cell?
To produce energy through respiration
Which component of blood carries oxygen to the body's tissues?
Red blood cells
What is the purpose of the xylem vessels in plants?
To transport water and minerals
Which of the following is an example of a communicable disease?
Measles
What term describes the movement of water from a high to low concentration through a partially permeable membrane?
Osmosis
Which process in humans converts glucose into energy without oxygen?
Anaerobic respiration
Which organ produces bile, which helps in the digestion of fats?
Liver
In which part of a plant does photosynthesis take place?
Leaf
What term describes the genetic material found in the nucleus of a cell?
DNA
Which of these is a function of the stomata in leaves?
To control gas exchange