Forestry

They are overstocked. This is found in forests where there is more area of forest under the older age classes

They are under stocked. This is due to larger proportion of area under immature crops

Both (a) & (b)

None of these

To Kochler (1933), due unbalanced growth stresses or forces

They may develop as a result of heavy frost

Both (a) & (b)

None of these

Terra rossa – Most suitable for roses

Chernozems – Richest soil in the world

Black soil – Rich in clacium carbonate

Laterite – Contains aluminium compound

Producer

Primary consumer

Secondary consumers

Decomposers

Rural industry projects

Electrification of rural areas

Both (a) & (b)

None of these

This is flat headed stem borer

The grubs are white and not more than 2.3 cm in length

Both (a) & (b)

None of these

Natural flora of a place

Natural balance of our environment

Natural geo-chemical cycles

All the above three

Plant introduction trials

Range reseeding

Both (a) & (b)

None of these

Trophic level 1st and herbivores

Primary consumers and herbivores

Primary carnivore and trophic level 2nd

Secondary consumer and herbivores

Organism and environment

Man and environment

Soil and water

Husband and wife