Exine of pollen grains is composed of
Exine of pollen grains is composed of
- [AIIMS 2003]
- A
Pectocellulose
- B
Lignocellulose
- C
Sporopollenine
- D
Pollen kit
Similar Questions
Assertion : If pollen mother cells has $42$ chromosomes, the pollen has only $21$ chromosomes.
Reason : Pollens are formed after meiosis in pollen mother cell.
Assertion : If pollen mother cells has $42$ chromosomes, the pollen has only $21$ chromosomes.
Reason : Pollens are formed after meiosis in pollen mother cell.
- [AIIMS 1997]
Meiotic cell division takes place during
Meiotic cell division takes place during
What is the function of germ pore?
What is the function of germ pore?
- [AIPMT 2012]
Find out the odd one.
Find out the odd one.
Draw the diagram of a microsporangium and label its wall layers. Write briefly about the wall layers ?
Draw the diagram of a microsporangium and label its wall layers. Write briefly about the wall layers ?