Draw the diagram of a flower and label the four whorls. Write the names of gamete producing organs in the flower.
Distinguish between a gamete and zygote. Explain their roles in sexual reproduction.
Distinguish between pollination and fertilisation. Mention the site and product of fertilisation in a flower.
Draw a neat, labelled diagram of a pistil showing pollen tube growth and its entry into the ovule.
Write two points of difference between asexual and sexual types of reproduction. Describe why variations are observed in the offspring formed by sexual reproduction.
Why are budding, fragmentation and regeneration all considered as asexual types of reproduction? With neat diagrams explain the process of regeneration in Planaria.
What would be the ratio of chromosome number between an egg and its zygote? How is the sperm genetically different from the egg?
In the given Figure label the parts and mention their functions
(a) Production of egg
(b) Site of fertilisation
(c) Site of implantation
(d) Entry of the sperms
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