Doesself-incompatibility impose any restrictions on autogamy? Give reasons and suggest the method of pollination in such plants.

Name the type of pollination in self-incompatible plants.

Self-pollination is the most economic method for the plant. Give reason.

Plant breeding, is an applied branch of Botany' - Give reasons.

Give scientific reasons: Maize is called monocotyledonous plant.

Give reasons, (any 2) Methane is used as a domestics fuel.

Give scientific reasons It is absolutely necessary to control the fission reaction in nuclear power plants.

A farmer adds/ supplies Na, Ca, Mg and Fe regularly to his field and yet he observes that the plants show deficiency of Ca, Mg and Fe. Give a valid reason and suggest a way to help the farmer improve the growth of plants.

Give scientific reasons: It is absolutely necessary to control the fission reaction in nuclear power plant.

Read the paragraph and answer the questions given below : Reproduction is the process by which the living Species continues its existence. Lower organisms carry out asexual reproduction while higher plants and animals always show sexual reproduction. Plants reproduce asexually by methods such as fragmentation, vegetative propagation, budding, Spore formation. For sexual reproduction they form gametes. In animal kingdom, budding, fission of different types and parthenogenesis are some of the methods that do not require both the sexes. Though regeneration also forms new individual, it is not considered to be a reproductive process because. basically it is a repair process. The ability to regenerate is lost in higher phyla. In human beings it is restricted only to wound healing. Sexual reproduction is also undergoing lots of experimentation such as cloning which may make females capable of producing their own baby without intervention of any male. Answer the follolwing question. What are methods of reproduction in plants?

Restriction endonucleases are also called restrication enzymes'- give reason.