Understanding Plant Systems Quiz

What is the primary function of photosynthesis?

• To produce oxygen for the plant

• To convert water into nutrients

• To convert carbon dioxide and water into glucose and oxygen

• To absorb sunlight for warmth

Which part of the plant is primarily involved in transpiration?

• Roots

• Stems

• Leaves

• Flowers

What is the main function of xylem in plants?

• Transporting nutrients from the soil

• Transporting water and dissolved minerals from the roots to the rest of the plant

• Transporting glucose from the leaves to other parts of the plant

• Providing structural support to the plant

What is the primary role of phloem in plants?

• To transport water from the roots to the leaves

• To provide structural support

• To transport glucose and other nutrients from the leaves to the rest of the plant

• To absorb sunlight

How do stomata contribute to photosynthesis?

• By absorbing sunlight

• By releasing oxygen into the air

• By taking in carbon dioxide from the air

• By transporting water from the roots to the leaves

What is the main purpose of the root system in plants?

• To produce flowers

• To transport nutrients to the leaves

• To anchor the plant in the soil and absorb water and nutrients

• To store food

During which process do plants release water vapor into the atmosphere?

• Photosynthesis

• Transpiration

• Respiration

• Condensation

What is the significance of the stomata closing at night?

• To prevent oxygen from escaping

• To absorb more sunlight

• To reduce water loss

• To increase carbon dioxide intake

Which of the following is NOT a function of the roots?

• Synthesis of plant hormones

• Absorption of water and minerals

• Anchoring the plant in the ground

• Storage of food

Which of the following best describes the role of chlorophyll in photosynthesis?

• It absorbs water

• It captures sunlight

• It transports glucose

• It releases oxygen