BOTANY

Detailed explanation-1: -Annuals are plants that complete their life cycle in one year. They germinate, grow, bear fruits and die off within an year. Generally, all herbs and plants belonging to the grass family exhibit this type of life cycle. Mustard, watermelon, corn, lettuce wheat, are a few examples of annual plants.

Detailed explanation-2: -annual, any plant that completes its life cycle in a single growing season. The term is usually applied to herbaceous flowering plants in which the dormant seed is the only part of an annual that survives from one growing season to the next.

Detailed explanation-3: -Definition. Annual plants complete their life cycle in one growing season. Biennial plants are planted in one year, grow through the year, grow on and flower during the next year. Perennial plants grow strong year after year.

Detailed explanation-4: -Annual plants germinate, bloom, set seed and die all in one year. Biennial plants have a life cycle of two years, so they germinate and grow one year, bloom and die the following. Everything which lasts longer than two years is perennial, which in practical terms usually means it grows and flowers for many years.