Forestry

Which do not form part of the upper most leaf canopy

But the leading shoots of which are not definitely overtopped by the neighbouring trees

Both (a) & (b)

None of these

A localized association of several plants and animals

Different communities of plants, animals and microbes, together with their physico-chemical environments

Different communities of plants and microbesm plus their physico-chemical environments

None of the above

1970

1971

1972

1973

Spread of the desert

Control of the desert

Use of the desert for good of mankind

None of these

Photosynthesis-consumer-decomposer

Decomposer-consumer-photosynthesis

Photosynthesis-decomposer-consumer

Consumer-photosynthesis-decomposer

Kangaroo rat

Camel

Desert rat

All of these

It is hardly impossible that mixed plant have same height

Ordinary thinning is not applied as it deprives of slow growing spp.

Both (a) & (b)

None of these

Red slgae

Floating fauna

Passively floating or drifting flora of micro-organisms

A layer of organic matter

Shrub formations often forming a quite dense cover 0.4 to 1.4 m

Shrub formations often forming a quite dense cover 0.5 to 1.6 m

Shrub formations often forming a quite dense cover 0.6 to 1.8 m

None of these

A00

A1

Both (a) & (b)

A00 and A1