Which one of the following is the food chain operating in ponds, lakes or sea?
Which one of the following is the food chain operating in ponds, lakes or sea? Options (a) grass → insects…
7 years ago
Populations and Ecosystem
Who coined the term ecosystem?
Who coined the term ecosystem? Options (a) Ernst Haeckel (b) Charles Elton (c) E. P. Odum (d) A. G. Tansley…
7 years ago
Who stated that a population is a self regulating system?
Who stated that a population is a self regulating system? Options (a) Wynne Edward (b) T.R. Malthus (c) Lamarck (d)…
7 years ago
The zone of atmosphere in which the ozone layer is:
The zone of atmosphere in which the ozone layer is: Options (a) Ionosphere (b) Mesosphere (c) Stratosphere (d) Troposphere Correct…
7 years ago
Just as a person moving from Delhi to Shimla to escape the heat for the duration
Just as a person moving from Delhi to Shimla to escape the heat for the duration of hot summer, thousands…
7 years ago
If 20 J of energy is trapped at producer level, then how much energy will be available
If 20 J of energy is trapped at producer level, then how much energy will be available to peacock as…
7 years ago
Vertical distribution of different species occupying different levels in a biotic
Vertical distribution of different species occupying different levels in a biotic community is known as: Options (a) Stratification (b) Zonation…
7 years ago
The mass of living material at a trophic level at a particular time is called :
The mass of living material at a trophic level at a particular time is called : Options (a) Standing state…
7 years ago
Secondary Succession takes place on/in:
Secondary Succession takes place on/in: Options (a) Degraded forest (b) Newly created pond (c) Newly cooled lava (d) Bare rock…
7 years ago
Rachel Carson’s famous book “Silent Spring” is related to :
Rachel Carson's famous book "Silent Spring" is related to : Options (a) Noise pollution (b) Population explosion (c) Ecosystem management…
7 years ago