Plant Propagation Quiz

What is a propagule?

• A) A type of soil

• B) A vegetative structure that gives rise to a new plant

• C) A type of fertilizer

• D) A plant disease

What does totipotency refer to in plant cells?

• A) The ability to photosynthesize

• B) The ability to produce flowers

• C) The potential to divide and produce all differentiated cells

• D) The ability to absorb water

What is micropropagation?

• A) Growing plants in natural soil

• B) Propagating new plants in laboratory conditions

• C) Using large plants for propagation

• D) Planting seeds in a garden

What are plant growth regulators?

• Chemicals that act like hormones in plants

• Nutrients that plants absorb from soil

• Pesticides used to protect plants

• Water molecules in plant cells

Which plant growth regulator allows adventitious rooting and cell elongation?

• Gibberellins

• Cytokinins

• Auxin

• Ethylene

What is the role of gibberellins in plants?

• Encourage cell division

• Imposes seed dormancy

• Response to vernalisation and stem elongation

• Encourages ripening and leaf fall

Which plant growth regulator encourages cell division?

• Abscisic acid

• Cytokinins

• Ethylene

• Auxin

What effect does abscisic acid have on seeds?

• Encourages ripening

• Imposes seed dormancy

• Allows cell elongation

• Encourages cell division

Which plant growth regulator encourages ripening and leaf fall?

• Auxin

• Gibberellins

• Ethylene

• Cytokinins

What is grafting described as in the text?

• A method of planting seeds

• Biological welding between a rootstock and a scion

• A type of soil preparation

• A way to prune trees