MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Earn 100
What do the cotyledons of a bean seed contains?
Important Questions on Reproduction in Plants
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
What does dormant means?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
What is the advantage of seed dormancy?
EASY
Upper Secondary: IGCSE
IMPORTANT
What activates the enzymes in the cotyledons of a germinating seed?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
What do the enzymes in the cotyledons do?
HARD
Upper Secondary: IGCSE
IMPORTANT
Do you think that cross-pollination is likely to result in more or less variation among the offspring than self-pollination? Explain your answer.
HARD
Upper Secondary: IGCSE
IMPORTANT
Suggest some advantages and disadvantages of self-pollination to a species of plant.
HARD
Upper Secondary: IGCSE
IMPORTANT
Construct two tables, with the headings asexual and sexual reproduction. Write each of these statements in the correct column.
- Only one parent involved
- one or two parents involved
- involves gametes
- involves fertilisation
- zygote formed
- all offspring genetically identical
- genetic variation among offspring
HARD
Upper Secondary: IGCSE
IMPORTANT
In a tropical rainforest, the trees often grow very closely together, which reduces the amount of light reaching the forest floor. The seeds of many species of rainforest trees will not germinate unless they get plenty of light. Suggest why it is an advantage to the seedlings.
