Home
Class 12
BIOLOGY
Explain senescence phase....

Explain senescence phase.

Text Solution

Verified by Experts

After the reproductive phase, the hormonal changes gradually slow down the production of male and female gametes. This phase is called the senescent phase.
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • REPRODUCTION IN ORGANISMS

    KUMAR PRAKASHAN|Exercise SECTION - D TEXTUAL EXERCISE|18 Videos
  • REPRODUCTION IN ORGANISMS

    KUMAR PRAKASHAN|Exercise SECTION - E SOLUTION OF NCERT EXEMPLAR (Multiple Choice Questions)|18 Videos
  • REPRODUCTION IN ORGANISMS

    KUMAR PRAKASHAN|Exercise SECTION - C OBJECTIVE QUESTIONS - ANSWERS (Match the columns)|4 Videos
  • PRINCIPLES OF INHERITANCE AND VARIATION

    KUMAR PRAKASHAN|Exercise SECTION -F (MULTIPLE CHOICE QUESTIONS (MCQS)) (MCQs ASKED IN COMPETITIVE EXAM)|38 Videos
  • REPRODUCTIVE HEALTH

    KUMAR PRAKASHAN|Exercise Section - F Multiple Choice Questions (MCQs)|102 Videos

Similar Questions

Explore conceptually related problems

Explain Juvenile phase

Explain Reproductive phase

Knowledge Check

  • A: Cytokinin helps in retention of chlorophyll and delayed senescence in leaves. R: Cytokinins only stimulate root initiation.

    A
    A and R both are correct and R is correct explanation of A.
    B
    A and R are correct but R is not explanation of A.
    C
    A is correct and R is false.
    D
    A and R are false
  • Juvenile phase is

    A
    stage of growth in plants
    B
    stage of embroyonic development
    C
    stage of growth and maturity in animal life before they can reproduce sexually.
    D
    stage of growth and maturity in plant life before they can reproduce sexually.
  • Similar Questions

    Explore conceptually related problems

    Definitions/Explanation: Senescence/Ageing :

    Explain various phases of cell cycle in detail.

    Explain what is phase and draw in a single graph of different phases of simple harmonic motions.

    Explain the phase in the life of the organism when it can reproduce sexually.

    Explain the phase in the life of the organism before it can reproduce sexually.

    "Genes in the somatic cells of the body undergo mutation with the passage of time. Such mutations cause senescence". This theory belongs to which type of theories for ageing ?