Factors affecting seed dormancy
State four factors within the seed that cause dormancy.(4marks)
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The questions under the topic Growth and development under the subject Biology of Secondary education level. Select the question you wish to view details.
Secondary growth in plants
Describe the secondary growth in woody plants.(20marks)
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Ways of breaking seed dormancy
State five ways of breaking seed dormancy.(5marks)
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Functions of cytokinin
State the functions of cytokinins as a plant growth hormone.(6marks)
...Importance of water in seed germination
Describe the importance of water in seed germination.(10 marks)
...Conditions necessary for germination.
Explain six conditions necessary for germination.(20marks)
...stages of growth and development in animals
Describe the stages of growth and development in animals.(8marks)
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Phases of sigmoid growth curve
Describe the phases of a sigmoid growth curve.(20marks)
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Detrmining rate of growth using germinating bean seen plant
In an experiment, students made some marks on the root of a germinating bean plant as shown in the following diagram.
Difference between Growth and development
Differentiate between growth and development.(2marks)
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