Biology questions
20584 published questions with worked solutions.
- Generally in the wall of the anther lobes, how many middle layers are present?
- Generative cell of a microspore undergoes which type of division?
- Pollen tube is formed from
- Individual members of androecium are called as
- In an immature anther, inner to the tapetum, the microporangium contains a compact mass of
- Formation of megaspores is called as
- Generative cell differs from vegetative cell in
- Meiosis can be observed in
- The development of male gametophyte is
- Fertile part of stamen is
- Formation of pollen grains is known as
- Flower is a highly modified and condensed reproductive shoot specially meant for
- Pollen grains are ______ in monocots
- Before pollination, protoplast of pollen grain undergoes _______ to form two unequal cells
- The narrow opening of integuments at the terminal end of nucellus is called
- Nucellus in the ovule is called
- The first cell of female gametophyte is
- Exine is interrupted at one or more places, called as
- The highly condensed and swollen tip of the pedicel in flower is called
- The intine of a pollen grain is made up of