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?
More than 70% of world's fresh water contained in ______.
Species that can tolerate narrow range of temperature are called ______.
Species that can tolerate wide range of salinity are called ______.
Emergent land plants that can tolerate the salinities of the sea are called.
If a fresh water fish is placed in an aquarium containing sea water, will the fish be able to survive? Explain giving reasons.
Define heliophytes and sciophytes. Name a plant from your locality that is either heliophyte or sciophyte.
What is a tree line?
Does light factor affect the distribution of organisms? Write a brief note giving suitable examples of either plants or animals.
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?
