Smog is a common pollutant in places having
excessive so2 in their air
excessive ammonia in the air
low temperature
high temperature
- A habitat of long severe winters and growing season limited to a few months of summer constitutes
- Laterization is a process which results in the
- Pedology is the study of
- Which of the following is normally not at atmospheric pollutant
- Desert plants are generally
- In grassland ecosystem the pyramid of energy is
- The food chain in which microorganisms break down the energy-rich compounds synthesized by producers…
- Which one of the following is associated with the conservation of forest ?
- Biologists celebrate 5th June as
- Mark which is true
- The first stage of plant succession on earth is called
- Soil particles arranged in order of increasing size are
- . Biome is
- Water plants usually have
- Vegetation in Delhi is predominantly
- Competition for food, light and space is most severe in
- Which is the correct food chain
- When young plants are grazed too heavily they get killed because
- An area of soil is thoroughly wetted and allowed to drain until capillary movement of water is stopped.…
- Deforestation may reduce the chances of
- The least porous soil among the following is
- What is the major constituent of biomass of an organism
- Primary treatment of sewage means
- Carbon cycle includes
- Commensalism is
- First link in any food chain is green plant because
- A pollutant is any substance, chemical or other factor that changes
- An American plant which had become a troublesome weed in India is
- Biosphere is:
- Hie earliest settlers on barren lands are generally