Sexual reproduction

A few statements with regard to sexual reprodction are given below. (i) Sexual reproduction does not always require two individuals. (ii) Sexual reproduction generally involves gametic fusion. (iii) Meiosis never occurs during sexual reproduction. (iv) External fertilisation is a rule during sexual reproduction. Choose the correct statements from the option below.

Read the following five statement (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 independent (C) The sporophyte in Riccia is more developed than that in Polytrichum (d) Sexual reproduction in Volvox is isogamous (e) The spores of slime moulds lack cell walls How many of the above statement are correct?

Which of the following statements, support the view that elaborate sexual reproductive process appeared much later in the organic evolution ? (i) Lower groups of organisms have simpler body design. (ii) Asexual reproduction is common in lower groups. (iii) Asexual reproduction is common in higher groups of organisms. (iv) The high incidence of sexual reproduction in angiosperms and vertebrates. Choose the correct answer given below.

{:(1."Off springs",-,(a)"Pollination by insects"),(2."Anemophily",-,(b)"Pollinataion by animals"),(3."Spermatogenesis",-,(c)"Blood vessels"),(4."Umbilical cord",-,(d)"Expulsion of young one"),(5."Entomophily",-,(e)"Seminiferous tubules"),(6."Parturition",-,(f)"Sexual reproduction"),(7."Zoophily",-,(g)"Pollination by wind"):}

Sexual reproductive stage of fungus is called ________

Flower with its sexual reproductive organs