Carbon cycle includes
producer - consumer - decomposer
decomposer - consumer - producer
producer - decomposer - consumer
consumer - producer - decomposer
- An American plant which had become a troublesome weed in India is
- The best indicator of SO^2 pollution is
- Autumn colouration of leaves appears only in
- Plankton, Nekton and Itenthon are not the components of one of the following ecosystems:
- In grassland ecosystem the pyramid of energy is
- . Biome is
- The first stage of plant succession on earth is called
- Hie sequence blue green algae > crustose lichens » foliose lichens > mosses » shrubs » dicotyledonous…
- Pedology is the study of
- Biosphere is:
- In cities like Mumbai and Delhi, the major air pollutants are
- Soil particles arranged in order of increasing size are
- An area of soil is thoroughly wetted and allowed to drain until capillary movement of water is stopped.…
- Which of the following functions performed by forests help most in controlling drought
- Smog is a common pollutant in places having
- Primary treatment of sewage means
- The biggest herbarium of India is
- Hie earliest settlers on barren lands are generally
- First link in any food chain is green plant because
- Commensalism is
- Which is the correct food chain
- Increasing accumulation of DDT in organisms of a food chain in higher trophic levels is known as
- Tropical evergreen forests are seen in
- Vegetation in Delhi is predominantly
- What will happen if our water resources are continued to be polluted by industrial wastes
- The least porous soil among the following is
- A pollutant is any substance, chemical or other factor that changes
- Mark which is true
- One of these is a renewable source of energy:
- Deforestation may reduce the chances of