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WorksheetsPlant Growth Regulators
Total questions: 10
Worksheet time: 3mins
It is the process of increasing the number of plants of a particular species or cultivar.
Propagation
Growth
Plant Growth Regulators
Seed Germination
It is also known as plant growth substances, plant hormones, or phytohormones?
Seed Growth Hormones
Plant Growth Regulators (PGR)
Growth Promoter
Plant Nutrition
The discovery of the five major groups of PGRs has been accidental. All this started with the observation of the father and his son to coleoptiles of canary grass. Who are they?
Wilbert and Robert Gore.
Charles Darwin and his son Francis Darwin
Sakichi and Kiichiro Toyoda.
Zacharias and Hans Janssen.
A type of PGR named from the Greek word that means to grow or increase?
Ethylene
Auxins
Gibberellins
Cytokinins
Type of PGR that increases the length of grape stalks thus increasing the number of grapes in a cluster.
Plant hormone
Auxin
Gibberellins
Phytohormone
It increases the length of the sugarcane stem thus increasing the yield of sugar?
Growth substance
Gibberellins
Plant hormones
Phytohormones
It is a type of PGR that produces new leaves, developing shoot buds, young fruits, and even promotes leat longevity?
Plant hormones
Gibberellins
Cytokinins
Phytohormones
It is highly effective in fruit ripening?
Ethylene
Enzymes
Auxins
Pectinase
It is the stress hormone?
Abscisic Acid
Ethylene
Enzymes
Ethrel
Which of the plant growth regulators would you use if you are asked to quickly ripen a fruit?
Auxins
Enzymes
Ethylene
Stress Hormone
