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1.Sexual Reproduction in Flowering Plants
normal
Which of the following statement is correct?
A
Sporopollenin can withstand high temperatures but not strong acids.
B
Sporopollenin can be degraded by enzymes.
C
Sporopollenin is made up of inorganic materials
D
Sporopollenin can withstand high temperature as well as strong acids and alkalis
(AIIMS-2016)
Solution
Pollen grains are generally spherical and prominent two-layered wall. The hard outer layer (called the exine) is made up of sporopollenin which is one of the most resistant organic material known. It can withstand high temperatures and strong acids and alkali.
Standard 12
Biology
