Advertisements
Advertisements
प्रश्न
Write a short note on the importance of light to plants.
Advertisements
उत्तर
- Sunlight acts as the ultimate source of energy for plants. Plants are autotrophic organisms that need light to carry out the process of photosynthesis.
- Light also influences chlorophyll production, the number and placement of chloroplasts, stomatal movements, metabolism, and photoperiodism.
- It also plays a vital role in generating photoperiodic responses occurring in plants and aquatic habitats for the vertical distribution of plants in the sea.
- Plants respond to changes in light intensity during various seasons to meet their photoperiodic requirements for flowering.
- Overall, light plays a crucial role in plant growth, development, and survival.
APPEARS IN
संबंधित प्रश्न
How is diapause different from hibernation?
Osmotic concentration of cell sap used to be maximum in ______.
Which of the following is correct range of latitudes for temperate vegion?
Three water bodies were tested for salinity of water. Water body = salt concentration :-
X = 3 parts per thousand of salinity
Y = 35 parts per thousand of salinity
Z = 110 parts per thousand of salinity
Select the correct option regarding this.
Define heliophytes and sciophytes. Name a plant from your locality that is either heliophyte or sciophyte.
Categorise the following plants into hydrophytes, halophytes, mesophytes and xerophytes. Give reasons for your answers.
Salvinia
Categorise the following plants into hydrophytes, halophytes, mesophytes and xerophytes. Give reasons for your answers.
Rhizophora
Give the scientific names of any two microorganisms inhabiting the human intestine.
Give one example for the following:
A benthic animal
The graphs (X) and (Y) given below depict the diurnal variations in the solar radiations in the month of (Summer) and in December (Winters):

- Which of the two graphs depicts tropical regions and temperate regions respectively?
- Which of the two regions (X) or (Y) will show high biological diversity and why?
