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1.Sexual Reproduction in Flowering Plants
medium
Which of the following statements about sporopollenin is false?
A
Exine is made up of sporopollenin
B
Sporopollenin is one of the resistant organic materials
C
Exine has apertures called germ pores where sporopollenin is present
D
Sporopollenin can withstand high temperatures and strong acids
Solution
Exine is chiefly made up of sporopollenin. Exine is discontinous or ruptured only by nexine at some places (where sporopollenin absent), these are called pores, through which pollen tubes come out during germination on stigma.
Standard 12
Biology
