Practise MYP Biology questions on 3.4 Cell Respiration and review the explanations to check your understanding.
Use these questions for topic practice and to find ideas you want to revisit in your notes or lessons.
Which molecule is required as a reactant in aerobic respiration but is not required for the anaerobic pathway to begin?
In the context of the cell's metabolic needs, which of the following is an example of an 'energy-requiring' process supported by respiration?
A plant is kept in a completely dark room for 24 hours. Which statement correctly describes its gas exchange during this time?
In the chemical process of aerobic respiration, __________ is one of the two essential reactants required for the reaction to proceed.
Which analogy from the text best describes the role of cellular respiration in providing a constant supply of energy for cell functions?
Glucose
Ethanol
Water
Oxygen
The movement of water via osmosis
The diffusion of oxygen into a cell
The physical breakdown of food in the stomach
The synthesis of complex proteins from amino acids
It will not perform any gas exchange because there is no light
It will only release water vapor through its leaves
It will take in oxygen and release carbon dioxide
It will take in carbon dioxide and release oxygen
ethanol
lactic acid
glucose
carbon dioxide
Energy is to a cell what a blueprint is to a house
Energy is to a cell what a vacuum is to a space
Energy is to a cell what electricity is to a home
Energy is to a cell what water is to a plant
