Name the last phase of life span that ultimately leads to death. Give the important changes that occur in the body during this phase.

Describe the changes occurring during synthesis phase.

What important changes happens during the S phase ?

Explain the phases of life span in organisms.

What is the ultimate phase of life?

Identify the reaction that does not occur during the light phase.

What is G.-phase? What changes occur in it?

Name the two phases in the life-cycle of a plant.

What changes occur in cells with resprct to different growth phases?

Assertion: Senescent phase of life ultimately leads to death. Reason: There is progressive deterioration of body organs and their functioning.

Name the dominant phase in the life cycle of ferns/pteridophyts.