AQA GCSE BIOLOGY - BIOENERGETICS

Which two industries use anaerobic respiration carried out by yeast?

• Baking and brewing

• Brewing and building

• Baking and farming

• Brewing and farming

What are the products of anaerobic respiration in animals?

• Ethanol and carbon dioxide

• Lactic acid and carbon dioxide

• Ethanol only

• Lactic acid only

Carbon dioxide enters the leaf via…

• the cuticle

• phloem

• stomata

• guard cells

What change occurs in the guard cells to close the stomata?

• Guard cells gain water

• Guard cells lose water

• Guard cells swell

• Guard cells transpire

Which gas needs to be in short supply for anaerobic respiration to occur?

• Oxygen

• Carbon dioxide

• Nitrogen

• Water vapour

Which gas is used in aerobic respiration?

• Carbon dioxide

• Oxygen

• Water vapour

• Nitrogen

What is the green pigment in plants called?

• Chloroplast

• Chlorophyll

• Cytoplasm

• Cellulose

In which organelle does aerobic respiration occur?

• Chloroplasts

• Ribosomes

• The nucleus

• Mitochondria

How do the reactants of respiration get into animal cells?

• By diffusion through the walls of veins

• By active transport through the walls of capillaries

• By osmosis from the veins

• By diffusion through the walls of capillaries

What is the name of the process in which water vapour is lost from the plants?

• Translocation

• Transpiration

• Transportation

• Transparent