Plant Growth & Development Pretest

What are the two reactants in the process of photosynthesis?

• CO₂ and H₂O

• O₂ and H₂O

• CO₂ and O₂

• C₆H₁₂ and 6O₂

Where does the light-dependent reaction of photosynthesis occur?

• Stroma

• Grana

• Chloroplasts

• Thylakoid

What is the by-product of photosynthesis?

• Oxygen

• Water

• Glucose

• Carbon dioxide

Which alternative photosynthetic mechanism allows plants to minimize water loss by keeping their stomata closed at night?

• Tropical grasses

• CAM Plants

• C4 Plants

• Succulents

Where does the process of respiration occur in plants?

• Chloroplasts

• Xylem

• Stomata

• Mitochondria

What is the main benefit of transpiration for plants?

• Water uptake

• Evaporative cooling

• Nutrient access

• Carbon dioxide entry

What is the function of the Casparian strip in the movement of solutes through the plant?

• Forms a column in the xylem

• Active uptake of inorganic nutrients

• Allows ions to pass through without going through the plasma membrane

• Permeable to water but impermeable to ions

What is the process of asexual reproduction in plants called?

• Cytokinesis

• Fertilization

• Mitosis

• Meiosis

What is the term for a complete set of chromosomes from one parent?

• Haploid

• Chromatin

• Genome

• Diploid

Who is known for his work on gene inheritance and plant breeding methods?

• Thomas Edison

• Louis Pasteur

• Charles Darwin

• Gregor Mendel