Fusion of two dissimilar gametes is known as
A polygonum type of embryo sac is
Answer: 7-celled and 8-nucleate
In anther,meiosis occurs in :
Answer: Pollen mother cells
Which one of the following is not a correct explanation of cross pollination?
Answer: The pollen grains of one flower are transferred to the stigma of the same flower
Plants with ovaries having only one or a few ovules, are generally pollinated by
Embryo sac is called monosporic when it develops from
Answer: One of the megaspores out of the four megaspores which are derived from division of megaspore mother cell
In a fully developed male gametophyte,no of nuclei is :
In anatropous ovule what is the direction of micropyle?
Germ pore is the region where the exine is
Which one of the following pairs of plant structures has haploid number of chromosomes?
Answer: Egg cell and antipodal cells
Which type of association is found in between entomophilous flower and pollinating agent?