Forestry

Cyperus rotundus

Eichhornia creassipes

Parthenium hysterophorus

Chenopodium album

A group or community of plants living together in common habitat

A group may include different species of plants, belonging to different families

Both (a) & (b)

None of these

Accelerate amenity linear tree planting along all government roads, canals and railways

Canal side plantations are more commercial than amenity

Involve social institutions, NGOs and industries in amenity planting at public places like hospitals, schools

All of the above

Cancer of skin and bone

Cancer of heart and brain

Cancer of skin and bone marrow

Cancer of kidneys

Pyramid of biomass

Pyramid of energy

Pyramid of number

Trophic levels

Acacia nilotica

Dalbergia sissoo

Prosopis spp

All of the above

The general description of all the flora and fauna of the planet

It covers all living things from the tiniest submicroscopic organism to the elephant and giant redwood tree

All of which are supported by the biosphere

All of the above

Productivity control

Food chain mechanism

Feed back mechanism

Any of these

Aquifer

Alluvival Fans

Aquiclude

Albedo

Northern mountainous areas embracing Himalayan, Korakoram and Hindu Kush ranges

In northern areas, Malakand, Hazara and Azad Kashmir are rich in fauna and flora

Both (a) & (b)

None of these