List of top Biology Questions on Pre-Fertilisation: Structures And Events asked in KCET

How many microsporangia are located at the corners of a typical bilobed anther of angiosperm?

Consider the following statements $\&$ choose the correct answer from the given options. Statement 1: Innermost layer of microsporangium is tapetum. Statement 2: Cells of tapetum possess dense cytoplasm more than one nucleus and nourishes developing pollen grains.

Testa and Tegmen of the seed coat represent

When pollen grain is shed at 3-celled stage, name the cells it contains.

The 2000 year old seed excavated from King Herod's palace at dead sea belong to

The following is the diagram of T.S. of Anther. Identify the parts labelled A, B, C.

Sporopollenin, a chemical substance is found in________