gcse aqa science

What type of cells have a nucleus where their DNA is found?

• Virus cells

• Bacteria cells

• Eukaryotic cells

• Prokaryotic cells

What is the process called when bacteria multiply by doubling every certain amount of time?

• Mitosis

• Binary fission

• Diffusion

• Photosynthesis

What is the name given to the diffusion of water across a semi-permeable membrane?

• Active transport

• Passive transport

• Transpiration

• Osmosis

What do we call cells that haven't yet specialized?

• Stem cells

• Mature cells

• Root cells

• Leaf cells

What is the term for the movement of molecules from an area of high concentration to an area of low concentration?

• Active transport

• Filtration

• Osmosis

• Diffusion

What is the balanced chemical equation for photosynthesis?

• C6H12O6 + 6CO2 -> 6O2 + 6H2O

• 6H2O + 6O2 -> C6H12O6 + 6CO2

• C6H12O6 + 6O2 -> 6CO2 + 6H2O

• 6CO2 + 6H2O -> C6H12O6 + 6O2

What type of respiration occurs when there's a lack of oxygen?

• Photosynthesis

• Anaerobic respiration

• Aerobic respiration

• Fermentation

What are the long continuous tubes which water rises up in plants called?

• Stomata

• Xylem

• Root hairs

• Phloem

What is the process by which new cells are made for growth and repair?

• Mitosis

• Meiosis

• Binary fission

• Diffusion

What is the name of the process that involves mixing amylase with starch at different temperatures or pH buffer solutions?

• Osmosis practical

• Photosynthesis experiment

• Enzyme activity practical

• Respiration experiment