With the help of word diagram represent the sequence of the onset of haploid stage to the onset of diploid stage in the alternation of generation of Fern.

With the help of labelled diagrams, depict the stages of a microspore maturing into a pollen grain.

Represent the 'Z' scheme of Photosynthesis with the help of word diagram.

Depict the alternation of generation in a fern with the help of a flowchart.

The diploid stage is represented by one celled zygote only in

In an angiosperm the embryo sac is haploid , zygote is diploid and endosperm is triploid. Justify giving reasons for each stage.

Depict the alternation of generation in a fern with the help of a flowchart ." In case of prophase and Telophase changes of opposite nature happens " - Write two such changes .

The following is the illustration of the sequence of ovarian events (a - 1) in a human female. (a) Identify the figure that illustrates ovulation and mention the stage of oogenesis it represents. (b) Name the pituitary hormone that has caused the above mentioned event. (c) Explain the changes that occur in the uterus simultaneously in anticipation (d) Write the differences between 'c and 'h'. (e ) Draw a labelled sketch of the structure of a human ovum prior to fertilization.

Write differenct stages of mircropropagation through a word diagram.

Select the correct match . {:(A,"S phase","DNA replication"),(B, "Zygotene","Synapsis"),(C,"Diplotene","Crossing Over"),(D,"Meiosis","Both haploid and diploid cells"),(E,"Gap 2 phase","Quiescent stage"):}