HARD
12th CBSE
IMPORTANT
Earn 100
Draw a diagram of a section of megasporangium of an angiosperm and label funiculus, micropyle, embryo sac and nucellus.
Important Questions on Sexual Reproduction in Flowering Plants
HARD
12th CBSE
IMPORTANT
Explain the post pollination events leading to seed production in angiosperm.
MEDIUM
12th CBSE
IMPORTANT
List the different types of pollination depending upon the source of pollen grains.
MEDIUM
12th CBSE
IMPORTANT
When a seed of an orange is squeezed, many embryos, instead of one are observed. Explain how it is possible?
MEDIUM
12th CBSE
IMPORTANT
When a seed of an orange is squeezed, many embryos, instead of one are observed. Are these embryos genetically similar or different? Comment.
EASY
12th CBSE
IMPORTANT
"A guava fruit has 200 viable seeds". What are viable seeds?
HARD
12th CBSE
IMPORTANT
"A guava fruit has 200 viable seeds". Write the total number of pollen grains and gametes in producing 200 viable guava seeds.
HARD
12th CBSE
IMPORTANT
Prepare a flow-chart to depict the post-pollination events leading to viable seed-production in a flowering plant.
MEDIUM
12th CBSE
IMPORTANT
Describe any two devices in a flowering plant which prevent both autogamy and geitonogamy.
