Category 1: Photosynthesis
What is the process plants use to make their own food?
Answer: Photosynthesis
Which leaf layer contains the most chloroplasts?
Answer: Palisade layer
Which mineral is needed for protein production?
Answer: Nitrates
What is chemosynthesis?
Answer: Making food using chemical energy.
What is respiration?
Answer: The process that releases energy from glucose.
What gas is released as a product of photosynthesis?
Answer: Oxygen
What is the function of stomata?
Answer: Gas exchange
Which mineral helps root development and ATP production?
Answer: Phosphates
What type of organism usually carries out chemosynthesis?
Answer: Bacteria
What does "aerobic" mean?
Answer: With oxygen
What pigment absorbs light energy for photosynthesis?
Answer: Chlorophyll
What is the function of the waxy cuticle?
Answer: Prevents water loss
Which mineral helps control stomata?
Answer: Potassium
What chemical is commonly used as the energy source in chemosynthesis?
Answer: Hydrogen sulfide
Which organelle carries out aerobic respiration?
Answer: Mitochondria
Is photosynthesis endothermic or exothermic?
Answer: Endothermic
Which cells control the opening and closing of stomata?
Answer: Guard cells
A plant has yellow leaves between green veins. Which mineral is missing?
Answer: Magnesium
Name one environment where chemosynthesis occurs.
Answer: Deep-sea vents / sulfur caves / cold seeps
Name two waste products of aerobic respiration.
Answer: Carbon dioxide and water
Why would covering a leaf with aluminium foil reduce photosynthesis?
Answer: The leaf cannot absorb light energy.
Explain why leaves are wide and flat.
Answer: To provide a large surface area for light absorption.
Why does nitrate deficiency cause stunted growth?
Answer: Plants cannot make enough proteins.
Why would a deep-sea food web collapse without chemosynthetic bacteria?
Answer: There would be no producers.
Why would a cell with very few mitochondria struggle to function?
Answer: It would release less energy through respiration.