The greatest problem of water conservation is to reduce the amount of
Precipitation
Runoff water
Groundwater
Evaporation
Reduction in vascular tissue, mechanical tissue and cuticle is characteristic of
Xerophytes
Mesophytes
Epiphytes
Hydrophytes
Carrying capacity of environment is determined by
Birth rate
Death rate
Limiting resources
Population growth
Niche is defined as the
Position of species in a community in relation to other species
Place where organism lives
Place where organism lives and performs its duty
Place where population perform their duties
Water holding capacity is maximum in case of
clay
sand
silt
gravel
The maximum growth rate occurs in
lag phase
stationary phase
senescent phase
exponential phase
The study of interactions between living organisms and environment is called as
Ecosystem
Phytogeography
Ecology
Phytosociology
Association of animals in which both the partners are benefitted is called
Colony
Commensalism
Mutualism
Amensalism
Lichens are well known combination of an alga and a fungus, where fungus has
An epiphytic relationship with the alga
A parasitic relationship with the alga
A symbiotic relationship with the alga
A saprophytic relationship with the alga
A permanent loss to a population is due to
Emmigration
Immigration
Migration
Natality
