Introduction of Sexual Reproduction in Flowering Plants

With the help of diagrams, name and describe the different types of placentation seen in angiosperms.

Discuss the role of cambium in the secondary growth of dicot stems.

If the haploid number of chromosomes in a plant species is 20, how many chromosomes will be
present in the cells of the shoot tip?

The figure given below shows the early stage of the development of microsporangium.

Name the hypodermal cell labelled '1' which divides periclinally.

Draw a neat and well labelled diagram of T.S. of the mammalian ovary.

1. Will this pollination give the desired results? Give a reason for your answer.
2. What is geitonogamy? Why is it considered equivalent to cross-pollination in ecological context and self-pollination in genetic context?

Why is non-cyclic photo phosphorylation considered as a non-cyclic pathway?

Draw a neat labelled diagram of the vertical section of a monocot leaf.