Q136
When all the five stages are present in the life cycle of rust, it is known as
A.
Cuform
B.
Macrocyclic
AnswerC.
Both A and B
D.
Microcyclic
Answer: Option B
Solution
Answer: Option B
Solution:
When all five stages are present in the life cycle of rust, it is known as Macrocyclic.All rusts are obligate parasites, meaning that they require a living host to complete their life cycle. All 5 stages of their life cycle are Pycniospores, Aeciospores, Urediniospores, Teliospores and Basidiospores.
The one where all these five stages are present is termed Macrocyclic.