B. QUESTIONS FROM CBSE BOARD EXAMINATIONS:
Why Amoeba is called immortal?

QUESTIONS FROM CBSE BOARD EXAMINATIONS : What is scutellum?

QUESTIONS FROM CBSE BOARD EXAMINATIONS : What feature is most important in insect pollinated flowers?

QUESTIONS FROM CBSE BOARD EXAMINATIONS : Name a bat pollinated flower.

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.

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.

Very Short Answer Questions A. QUESTIONS FROM STATE BOARD EXAMINATIONS What is parthenocarpy?

Very Short Answer Questions A. QUESTIONS FROM STATE BOARD EXAMINATIONS What is totipotency?

Long Answer Questions Five mark Each QUESTIONS FROM CBSE BOARD EXAMINATIONS : (a) Draw a labelled diagram of the internal structure of a mature embryo sac of an angiosperm. (b) Trace the events that occur in a functional megaspore leading to the development of a matured embryo sac in an angiosperm.

B. QUESTIONS FROM CBSE BOARD EXAMINATIONS: How does vegetative propagation take place in potato?

QUESTIONS FROM CBSE BOARD EXAMINATIONS : What is the fate of haploid megaspores formed by megaspore mother cell in an angiospermic plant?