Population of different species interacting in an ecosystem
Population of different species interacting in an ecosystem Options (a) biotic community (b) abiotic community (c) both (a) and (b)…
7 years ago
Biology
Populations termed r-strategists
Populations termed r-strategists Options (a) have J-shaped growth curve (b) are usually pioneer species (c) have type III survivorship curve…
7 years ago
Predation and parasitism are which type of interactions?
Predation and parasitism are which type of interactions? Options (a) (+ , +) (b) (+ , O) (c) (- ,…
7 years ago
Pyramid of energy in a pond ecosystem is always
Pyramid of energy in a pond ecosystem is always Options (a) inverted (b) upright only (c) irregular (d) linear Correct…
7 years ago
Ratio of natality and mortality of a population expressed in percentage is
Ratio of natality and mortality of a population expressed in percentage is Options (a) vital index (b) growth rate (c)…
7 years ago
Rhododendron is characteristic of vegetation of
Rhododendron is characteristic of vegetation of Options (a) tropical zone (b) gangetic plains (c) alpine zone (d) mangrove belt Correct…
7 years ago
Role of nitrifying bacteria, in niterogen cycle, is to
Role of nitrifying bacteria, in niterogen cycle, is to Options (a) convert ammonia into nitrates (b) fix atmospheric nitrogen (c)…
7 years ago
Roots of higher plants show symbiosis with mycorrhizas for obtaining
Roots of higher plants show symbiosis with mycorrhizas for obtaining Options (a) sulphates (b) nitrogen (c) phosphates (d) all of…
7 years ago
Source of energy in an ecosystem is
Source of energy in an ecosystem is Options (a) sun (b) ATP (c) sugar made by plant (d) green plant…
7 years ago
Stratification is found in
Stratification is found in Options (a) tropical forest (b) deciduous forest (c) savannah (d) tropical and deciduous forest Correct Answer:…
7 years ago