Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 11. organisms and populations1 Mark
MCQ
Pneumatophores have lenticels for
A
Excretion
✓
Gaseous exchange
C
Reproduction
D
All of these
✓
Answer
Correct option: B.
Gaseous exchange
b A number of mangroove plants possess small negatively geotrophic vertical roots called pneumatophores. Pneumatophores have lenticels for gaseous exchange. They are connected with internal arenchymatous tissue. It is a plant adaptation to saline environment
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