1
Question
Pollen grains are able to withstand extremes of temperature and desiccation because their exine is composed of
Pollen grains are able to withstand extremes of temperature and desiccation because their exine is composed of
Open in App
Solution
The correct option is D sporopollenin
Composition of pollen exine
Pollen exine is composed of organic sporopollenin which makes it resistant to enzymes, acids, desiccation and high temperature. So, the pollen grains are able to withstand extremes of temperature and desiccation.
Final answer
c. sporopollenin
Composition of pollen exine
Pollen exine is composed of organic sporopollenin which makes it resistant to enzymes, acids, desiccation and high temperature. So, the pollen grains are able to withstand extremes of temperature and desiccation.
Final answer
c. sporopollenin
Suggest Corrections
0
Similar questions
View More
Join BYJU'S Learning Program
Explore more
Join BYJU'S Learning Program
