The phenomenon wherein, the ovary develops into a fruit without fertilisation is called: A. Parthenocarpy B. Apomixis C. Asexual reproduction D. Sexual reproduction (1 comments)

Name the common function that cotyledons and nucellus perform. (1 comments)

Name the component cells of the ‘egg apparatus’ in an embryo sac. (1 comments)

In case of polyembryony, if an embryo develops from the synergid and another from the nucellus which is haploid and which is diploid? (1 comments)

Can an unfertilised, apomictic embryo sac give rise to a diploid embryo? If yes, then how? (1 comments)

Indicate the stages where meiosis and mitosis occur (1, 2 or 3) in the flow chart. Megaspore mother cell →Megaspores → Embryo sac →Egg (1 comments)

Name the parts of pistil which develop into fruit and seeds. (1 comments)

In the diagram given below, show the path of a pollen tube from the pollen on the stigma into the embryo sac. Name the components of egg apparatus. (1 comments)

What is self-incompatibility? (1 comments)

Name the type of pollination in self-incompatible plants. (1 comments)

Draw the diagram of a mature embryo sac and show its 8-nucleate, 7-celled nature. Show the following parts: antipodals, synergids, egg, central cell, polar nuclei. (1 comments)

Does self incompatibility impose any restrictions on autogamy? Give reasons and suggest the method of pollination in such plants. (1 comments)

Which are the three cells found in a pollen grain when it is shed at the three celled stage? (1 comments)

How is pollination carried out in water plants? (1 comments)

In the given diagram, write the names of parts shown with lines. (1 comments)

Which is the triploid tissue in a fertilised ovule? How is the triploid condition achieved? (1 comments)

Are pollination and fertilisation necessary in apomixis? Give reasons. (1 comments)

What is the function of the two male gametes produced by each pollen grain in angiosperms. (1 comments)

List three strategies that a bisexual chasmogamous flower can evolve to prevent self pollination (autogamy). (1 comments)

Identify the type of carpel with the help of diagrams given below: (1 comments)

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