Name the kind of organisms that reproduce by spore formation.

A student noticed that an organism by mistake was cut into parts. After some time, both developed into new individuals.

(i) Name the mode of reproduction followed by the organism.

(ii) Give an example or organism which multiply by this process.

A plant that has lost the capacity to produce seed. Name a process using which it can reproduce?

What are the advantages of vegetative propagation?

Name two plants which are grown by the technique of tissue culture.