With a neat labelled diagram describe the parts of a typical angiosperm ovule.

What is a flower? Describe the parts of a typical angiosperm flower.

What is a flower? Describe the parts of a typical angiospermic flower.

LONG ANSWER TYPE QUESTIONS. With a neat labelled diagram, describe the parts of a mature embryo sac. Mention the role of synergids.

Draw a neat labelled diagram showing steps of PCR.

With the help of a labelled diagram describe the structure of lungs.

Draw a well labelled diagram showing the structure of atypical Angiospermic Embryo sac.

Long Answer Questions Five mark Each QUESTIONS FROM CBSE BOARD EXAMINATIONS : (a) Draw a labelled diagram of the sectional view of a typical anatropous ovule. (b) Mention the fate of all the components of the embryo sac after fertilization.