Forestry

O3 layer

SO2 layer

O2 Layer

CO2 layer

The part of the earth that supports life and consists of the soil, oceans

The waterways and the atmosphere upto 15 km above the earth’s surface

Waterways and the

None of these

Dryland farming

Wildlife habitat

Both (a) & (b)

None of these

Afghanistan

Turkey

Iran

None of these

Hardness of water

Industrial pollution

Sewage pollution

Presence of chlorine in water

Hydrophytes

Xerophytes

Mesophytes

Mangroves

Stem borer of serious nature

It is found in KPK, Boluchistan and some parts of Punjab

The galleries run under the bark

All of the above

To activate dormant embryo

To help after ripening of embryo

Moist stratification is done at temperature varying from 0 – 10

All of the above

Halophyte

Mesophyte

Xerophyte

Hydrophyte

Density

Moisture content

Bark and foreign material

All of the above