Photosynthesis and Plant Biology Quiz

What is the primary function of the mesophyll layer in a leaf?

• Photosynthesis

• Protection from pests

• Water transport

• Gas exchange

Which pigment is primarily responsible for absorbing light energy in plants?

• Chlorophyll

• Xanthophyll

• Carotenoids

• Anthocyanins

What is the main product of the light-independent reactions of photosynthesis?

• Oxygen

• Glucose

• NADPH

• ATP

Which part of the plant is primarily responsible for water uptake?

• Flowers

• Leaves

• Stems

• Roots

What process involves the loss of water vapor from plants?

• Transpiration

• Photosynthesis

• Respiration

• Germination

Which hormone is primarily involved in promoting cell elongation?

• Cytokinins

• Ethylene

• Auxins

• Gibberellins

What is the role of phloem in plants?

• Storing nutrients

• Transporting water

• Absorbing minerals

• Transporting sugars

Which type of plant hormone is responsible for fruit ripening?

• Ethylene

• Gibberellins

• Auxins

• Abscisic Acid

What is the primary function of stomata in leaves?

• Water storage

• Photosynthesis

• Gas exchange

• Nutrient absorption

Which of the following is a characteristic of monocots?

• Netted leaf venation

• Two cotyledons

• Round seed structure

• Parallel leaf venation