Pollen sacs develop into

The stages through which a cell passes from one division to the next is called

The cell cycle is divided into two phases called.

The final stage of meiotic prophase I is

Such paired
chromosomes are called

The formation of the new cell wall begins with the
formation of a simple precursor, called

flowering plants show sexual reproduction

The process of formation of microspores from a _________ through ___________ is called microsporogenesis.

Which among these have abundant reserve food materials and envelops female gametophyte?

Female gametophyte is

A typical angiosperm female gametophyte at maturity contains

A cell cycle includes

Of the total duration of cell cycle of a human cell,cell division properly lasts for about

Of the total duration of cell cycle, the interphase lasts more than

Which phase corresponds to the interval between
mitosis and initiation of DNA replication?

Recombination involves

Crossing over takes place in

Non-sister chromatids exchange segments during

Crossing over requires an enzyme

Terminalisation occurs during

Which of the following produce assured seed set even in the absence of pollinators