Q. An organic substance which can withstand environmental extremes and which cannot be degraded by any enzyme is :

Q. An organic substance which can withstand environmental extremes and which cannot be degraded by any enzyme is :

(a)Cuticle

(b) Sporopollenin

(c) Lignin

(d) Cellulose

Solution :

Correct option : B An organic substance which can withstand environmental extremes and which cannot be degraded by an enzyme is sporopollenin. It is the substance present in the exine layer of pollen grains. Due to its presence, fossils of pollen grains can be found. So, the correct option is ‘Option B’.