Hello Students: DAY- 31 Morning Coffee with NEET





HELLO STUDENTS: DAY- 31 Morning

PLANT KINGDOM

 IMPORTANT TERMS:

Antheridium: A male sex organ, which is covered with a jacket of sterile cells and produces sperms.

Archegonium: A female sex organ, which is covered with a jacket of sterile cells, and produces  egg or female gamete.

Gamete (sex cell): A specialized haploid cell which fuses with another gamete to form zygote during sexual reproduction.

Gametophyte: The gamete producing phase in the life cycle of a plant, which is haploid in nature.

Spore: A haploid (sometimes diploid) structure which directly produces a plant.

Sporangium: A spore producing sac-like structure.

Sporogonium: A short lived sporophyte of bryophytes, which is attached to the gametophyte.

Sporophyte: The asexually reproducing phase in the life cycle of a plant, which is diploid in nature.

Prothallus: The reduced and short lived gametophyte of ferns and other pteridophytes.

Pollination: The process of transfer of pollen grains form microsporangium to the ovule or stigma in spermatophytes.

         

Mr. A. KINGSLIN M.Sc, BEd, Phd,(doing)
Post Graduate Teacher in Botany
St. Mary Goretty Hr. Sec School, Manalikarai 
Kanyakumari district





Post a Comment

Previous Post Next Post

Follow Outlines of Botany