Home
Class 12
BIOLOGY
The shedding of leaves , flowers or frui...

The shedding of leaves , flowers or fruit due to change in the hormonal balance in plant is referred as

A

Senescence

B

Abscission

C

Photoperiodism

D

Vernalisation.

Text Solution

AI Generated Solution

The correct Answer is:
To answer the question regarding the shedding of leaves, flowers, or fruit due to a change in the hormonal balance in plants, we can analyze the options provided: ### Step-by-Step Solution: 1. **Understanding the Question**: The question asks for the term that describes the shedding of leaves, flowers, or fruits in plants, specifically due to hormonal changes. 2. **Analyzing the Options**: - **Option A: Senescence**: This refers to the process of aging in plants where cells stop dividing and growth ceases. It is more about the aging process rather than the shedding itself. - **Option B: Abscission**: This term specifically refers to the process of shedding leaves, flowers, or fruits. It is directly related to changes in hormonal balance, particularly involving auxins and ethylene. - **Option C: Photoperiodism**: This is the phenomenon where flowering in plants is influenced by the length of light and dark periods. It does not relate to shedding. - **Option D: Vernalization**: This refers to the requirement of a period of cold for flowering to occur in some plants. It is not related to shedding. 3. **Identifying the Correct Answer**: After analyzing all the options, it is clear that **Option B: Abscission** is the correct term that refers to the shedding of leaves, flowers, or fruits due to hormonal changes in plants. ### Final Answer: The shedding of leaves, flowers, or fruit due to change in the hormonal balance in plants is referred to as **Abscission**. ---
Promotional Banner

Topper's Solved these Questions

  • Plant Growth and Movements

    DINESH PUBLICATION ENGLISH|Exercise CYG|20 Videos
  • Plant Growth and Movements

    DINESH PUBLICATION ENGLISH|Exercise BRAIN TEASERS-IV|41 Videos
  • Plant Growth and Movements

    DINESH PUBLICATION ENGLISH|Exercise BRAIN TEASERS-IV|41 Videos
  • PLANT BREEDING AND DISEASE CONTROL

    DINESH PUBLICATION ENGLISH|Exercise Check your Grasp|10 Videos
  • PLATYHELMINTHES-THE FLAT WORMS

    DINESH PUBLICATION ENGLISH|Exercise check your grasp|9 Videos

Similar Questions

Explore conceptually related problems

Drooping of leaves due to loss of turgor at noon but recovery in the evening is referred to as

The leaves, flowers and fruits of the same tree not only have limited dimensions but also appear and fall periodically and some time repeatedly.

When the pollen grains are not transferred from anthers to the stigma in a flower due to the barrier or fence it is referred as (or when some natural barrier exists between androecium and gynoecium to check self-pollination, it is known as)

Orange-yellow colours of flowers and fruits are due to

A plant having seeds but lacking flowers and fruits belongs to

Assertion :- Main function of stem is spreading out branches bearing leaves, flowers and fruits. Reason :- Usually monocot stem is differentiated into nodes and internodes.

Falling of floral parts, leaves and fruits from the mother plant is called

Deciduous plants shed their leaves during hot summer of in autumn. This process of shedding of leaves is called abscission. Apart from physiological changes what anatomical mechanism is involved in the abscission of leaves.

Hormonal substance migrates from leaves to shoot apices for inducing flowering only when the plants are exposed to the necessary____

Select the correct statement related to flowering in plants. I. Some plants require a periodic exposure to light to induce flowering II. The flowering is either quantitatively or qualitatively dependent on exposure to low temperature. III. The site of perception of light/dark duration is the stem apex. IV. Flowering in plants is due to the hormones produced in the shoot apex.