Which of the following flowers only once in its lifetime ?
Bamboo species have a life cycle of about 80-100 years and generally flowers only once in its lifetime. So, the correct answer is option B.
Regarding assertion and reason; chose the correct option
Assertion (A): Monocarpic plants produce flowers and fruits only once in their lifetime.
Reason (R): Polycarpic plants produce flowers and fruits more than once in their lifetime.