Gymnosperms and Angiosperms

Plant Kingdom : Types OF Classification (Artificial Natural and Phylogenetic) Branches OF Taxonomy Differentiating Features OF Algae Bryophyta Pteridophyta Gymnosperms and Angiosperms Algae Introduction Life Cycle Fertilisation Pigiments Distinguishing

Match the columns I and II, ad choose the correct combination from the options given. {:("Column I","Column II"),((a)"Haplontic life - cycle","(i) Gymnosperms and Angiosperms"),((b)"Diplontic life - cycle.","(ii) Spirogyra"),((c)"Haplo- diplontic life","(iii) Bryophytes and pteridophytes"):}

Plants like bryophytes, pteridophytes, gymnosperms and angiosperms are similar in (a) medium used for transfer of male gametes (b) producing morphologically district gametes (c) having internal fertilization (d) Formation of embryo

According to apical cell theory, there is a single apical cell with three cutting faces in the shoot apex. This theory is applicable only some higher algae, bryophytes and pteridophytes and is not applicable to gymnosperms and angiosperms. This theory was given by :–

Consider the following statements with respect to gymnoperms and angiosperms A. Doulbe fertilization is an event unique to gymnosperms B. Angiosperms range in size from microscopic, Wolfia to tal trees of Sequola C. In gymnoperms the seeds are not covered D. In gymnoperms the male and female gametophytes have an independent free living existence. Of the above statements

Assertion (A) Polyembryony phenomenon is more common in gymnosperm than angiosperms. Reason (R) In angiosperms the polyembryony is generally present as unusual feature.