Plant and Chemical Processes Quiz

What is the role of stomata in plants?

• Transporting minerals

• Exchanging gases

• Absorbing light

• Storing water

What is the process by which water evaporates from the leaves of plants?

• Transpiration

• Respiration

• Absorption

• Photosynthesis

Which element is essential for making proteins in plants?

• Phosphorus

• Magnesium

• Nitrogen

• Potassium

Which process removes carbon dioxide from the atmosphere?

• Respiration

• Photosynthesis

• Combustion

• Decomposition

What is the function of root hair cells in plants?

• Absorbing light

• Exchanging gases

• Absorbing water and nutrients

• Storing starch

Which part of the plant is responsible for transporting sugars?

• Xylem

• Phloem

• Stomata

• Chloroplasts

What gas is a by-product of photosynthesis?

• Carbon dioxide

• Nitrogen

• Oxygen

• Methane

Which bond is formed between positive and negative ions?

• Covalent bond

• Hydrogen bond

• Ionic bond

• Metallic bond

What does the Periodic Table predict about elements?

• Atomic number and structure

• Colour and size

• Cost and availability

• Reactivity in water only

What is the charge of a neutron?

• Positive

• Negative

• Neutral

• Variable