Question

Assertion:
In perennial plant species, it is difficult to define vegetative, reproductive and senescent phases.
Reason:
Perennial plants have a very short life span.
A)Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B)Both Assertion and Reason are correct and Reason is not the correct explanation for Assertion
C)Assertion is correct but Reason is incorrect.
D)Both Assertion and Reason are incorrect

Answer 1

Hint: Perennial plants are the plant that lives more than two years. The Perennial plants are adapted to withstand extreme climatic and environmental conditions. These plants are adapted to live more than one year through vegetative reproduction rather than seedling.

Complete answer:
Perennial plants are polycarpic which means that they flower for many seasons. They live more than two years.(Reason is wrong)
The perennial plants do not flower in the initial stages of growth. They produce large seeds and the larger seedlings are produced after germination. These plants do not have a definite growth cycle but the cycle is distributed throughout the lifetime. Thus it is difficult to define vegetative and reproductive phases. Senescent phase is referred to as when the organism grows old and loses its reproductive capacity. The perennial plants do not have a definite senescence phase.

Hence, the correct answer is option (C)

Note: The perennial plants can be herb, shrub or trees. The perennial plants have a thick extensive root system which holds the soil firmly and prevents soil erosion. They can withstand long periods of drought or any other extreme environmental conditions. Few examples of perennial plants are apple, mango, dahlia, banana etc.