MCQ
$A$ monopoly granted to a person who has either invented a new and useful article, made improvement in an existing article or invented a new process of making an article is called
- ABioethics
- ✓Patent
- CBiopiracy
- DGenetic recombination
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$B$ - In pteridophyte gametophyte is multicellular,short lived and haploid
$(I)$ Nucleus of the functional megaspore divides meiotically to form two nuclei.
$(II)$ After $8$ nucleate stage, cell walls are laid down leading to organization of typical female gametophyte
$(III)$ The egg apparatus, consists of two synergids and one egg cell.
$(IV)$ Three cells are at the chalaza end are called antipodal cells.