Competition for food, light and space is most severe in
closely related species growing in the same niche
closely related species growing in different habitats
distantly related species growing in same habitat
distantly related species growing in different habitats
- An American plant which had become a troublesome weed in India is
- Laterization is a process which results in the
- What is the major constituent of biomass of an organism
- Biologists celebrate 5th June as
- Deforestation may reduce the chances of
- Humus is an example of
- Correct definition of ecosystem is :
- Increasing accumulation of DDT in organisms of a food chain in higher trophic levels is known as
- Which is the correct food chain
- Hydrilla is a
- First link in any food chain is green plant because
- An area of soil is thoroughly wetted and allowed to drain until capillary movement of water is stopped.…
- A habitat of long severe winters and growing season limited to a few months of summer constitutes
- The best indicator of SO^2 pollution is
- The least porous soil among the following is
- Smog is a common pollutant in places having
- Autumn colouration of leaves appears only in
- In cities like Mumbai and Delhi, the major air pollutants are
- . Biome is
- The food chain in which microorganisms break down the energy-rich compounds synthesized by producers…
- The nitrifying bacteria which oxidise nitrite to nitrates include
- Carbon cycle includes
- Water plants usually have
- Which of the following functions performed by forests help most in controlling drought
- Soil particles arranged in order of increasing size are
- The biggest herbarium of India is
- A pollutant is any substance, chemical or other factor that changes
- Radiation is a health hazard as it causes
- Tropical evergreen forests are seen in
- Competition for food, light and space is most severe in