Forestry

Producers

Consumers

Decomposers

All of the above

Ocean

Continents

Both (a) & (b)

None of these

Inorganic fertilizers

Bio-origin fertilizers

Green manuring

All of the above

Coarse sand

Silt

Fine sand

Clay

As operations carried out for the benefit of a forest crop at any stage of its life between the seeding and mature stages

It essentially covers operations on the crop itself and on the competing vegetation

Both (a) & (b)

None of these

By changing O2 into CO

By destroying the haemoglobin

By forming a stable compound with haemoglobin

By obstructing the reaction of O2 with haemoglobin

50 to 55

55 to 60

65 to 70

None of these

30%

40%

50%

60%

Weeding, cleaning

Thinning, purning

Both (a) & (b)

None of these

Flood flower peak discharge: Max quality or height (stage) of water during a period

Flood stage: High water level human property or which overflows the normal banks of a stream

Both (a) & (b)

None of these