Biology Quiz: Plant Adaptations and Photosynthesis

Which type of adaptation is exemplified by the presence of metamorphosed or specialized organs which perform non-typical functions?

• Morphological adaptation

• Physiological adaptation

• Biochemical adaptation

• Genetic adaptation

Which plant hormone is known for promoting cell elongation?

• Ethylene

• Gibberellic acid

• Auxin

• Cytokinin

What is the primary precursor for the synthesis of ethylene?

• Abscisic acid

• Proline

• Methionine

• Tryptophan

Which accessory pigment can absorb wavelengths of light that chlorophyll cannot?

• Xanthophyll

• Phycobilins

• Anthocyanin

• Carotenoids

What is the process in which carbon dioxide and water, in the presence of light and chlorophyll, are converted to carbon-containing energy-rich organic compounds?

• Transpiration

• Photosynthesis

• Fermentation

• Respiration

Which pathway involves CO2 fixation catalyzed by the enzyme RUBISCO?

• C4 pathway

• CAM pathway

• Glycolysis pathway

• C3 pathway

Which plant adaptation involves the closing of stomates to conserve water?

• Morphological adaptation

• Genetic adaptation

• Physiological adaptation

• Biochemical adaptation

Which plant hormone is responsible for inducing cell division in tissue culture?

• Gibberellic acid

• Cytokinin

• Ethylene

• Auxin

What is the Law of Minimum also known as?

• The Law of Averages

• The Circle of Life

• The Pyramid Principle

• The Barrel Concept

Which plant hormone is the only one occurring in a gas state?

• Ethylene

• Cytokinin

• Auxin

• Gibberellic acid