Draw and label three important parts of a mature dicot embryo.

Long Answer Questions Five mark Each QUESTIONS FROM CBSE BOARD EXAMINATIONS : (a) Trace the development of megaspore mother cell upto formation of a mature embryo sac in a flowering plant. (b) Draw a labelled diagram of the structure of mature dicot embryo.

Draw and label the structure of antibody.

Long Answer Questions Five mark Each QUESTIONS FROM CBSE BOARD EXAMINATIONS : Draw a neat, labelled diagram of a mature angiosperm, embryo sac. Mention the role of synergids.

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

Long Answer Questions Five mark Each QUESTIONS FROM CBSE BOARD EXAMINATIONS : (a) Explain the different ways apomictic seeds can develop. Give an example of each. (b) Mention one advantage of apomictic seeds to farmers. (c) Draw a labelled mature stage of a dicotyledonous embryo.

Long Answer Questions Five mark Each QUESTIONS FROM CBSE BOARD EXAMINATIONS : How does the megaspore mother cell develop into 7-celled, 8 nucleate embryo sac in an angiosperm. Draw a labelled diagram of a mature embryo sac.

Draw a labelled diagram of the internal structure of a mature embryo sac of an angiosperm.