The best indicator of SO^2 pollution is
Lichens
Algae
Fungus
Fems
- Vegetation in Delhi is predominantly
- Hie sequence blue green algae > crustose lichens » foliose lichens > mosses » shrubs » dicotyledonous…
- . Biome is
- An American plant which had become a troublesome weed in India is
- The first stage of plant succession on earth is called
- What will happen if our water resources are continued to be polluted by industrial wastes
- The ultimate source of energy for fish is
- Deforestation may reduce the chances of
- First link in any food chain is green plant because
- Competition for food, light and space is most severe in
- The food chain in which microorganisms break down the energy-rich compounds synthesized by producers…
- Water plants usually have
- Plankton, Nekton and Itenthon are not the components of one of the following ecosystems:
- Which one of the following is associated with the conservation of forest ?
- Correct definition of ecosystem is :
- Biologists celebrate 5th June as
- Desert plants are generally
- One of these is a renewable source of energy:
- Commensalism is
- Primary treatment of sewage means
- An area of soil is thoroughly wetted and allowed to drain until capillary movement of water is stopped.…
- Which is the correct food chain
- Humus is an example of
- In grassland ecosystem the pyramid of energy is
- A habitat of long severe winters and growing season limited to a few months of summer constitutes
- Biosphere is:
- The least porous soil among the following is
- Which of the following is normally not at atmospheric pollutant
- The biggest herbarium of India is
- A pollutant is any substance, chemical or other factor that changes