Which of the following statements about sporopollenin is false?
Exine is made up of sporopollenin
Sporopollenin is one of the resistant organic materials
Exine has apertures called germ pores where sporopollenin is present
Sporopollenin can withstand high temperatures and strong acids
Microspore tetrads forms due to meiotic division occurs in......
If root of flowering plant has $24$ chromosomes then its gamete has how many chromosomes?
Which one of the following statements is correct?
Identify $'a'$ in given figure :