Reproduction in Organism Questions

Formation of gametophyte directly from sporophyte without meiosis is

A diploid female plant and a terraploid male plant are crossed. The ploidy of endosperm shall be

Which one produce androgenic hapoloids in anther cultures ?

Which one one of the following matches is correct ?

Read the following statements (A- E) and answer the question which follows them.(a) In liverworts, mosses and ferns gametophytes are free living(b) Gymnosperms and some ferns are heterosporous(c) Sexu...

Product of sexual reproduction generally generates:

Read the following five statements (A - E) and answer as asked next to them.(A) In Equisetum the female gametophyte is retained on the parent sporophyte(B) In Ginkgo male gametophyte is not independen...

Which one of the following is correctly matched ?

The testes in human are situated outside the abdominal cavity inside a pouch calledscrotum. The purpose seved is for

Parthenogenesis is

Total number of meiotic divisons required for forming 100 zygotes/100 grains of wheat are

Male gametophyte of angiosperms is shed as

Double fertilization and triple fusion were discovered by

Which is correct ?

Development of an organism from female gamete/egg without involving fertilization is

Nucellus embryo is

Generative cell was destroyed by laser but a normal pollen tube was still formed because

Male gametophyte of angiosperms / monocots is

Female gamrtophyte of angiosperms in represented by

Entry of pollen tube through micropyle is