MCQ
The primary consumers in a pond ecosystem are
- APhytoplankton
- ✓Zooplankton
- CFishes
- DBacteria
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$(I)$ Humidity in atmosphere is relatively more in the area where light become limiting factor for plants
$(II)$ Increase in light as factor affecting photosynthesis beyond a point causes breakdown of chlorophyll and a decrease in photosynthesis occurs
$(III)$ The $C_4$ plants respond to higher temperatures and show higher rates of photosynthesis while $C_3$ plants have a much lower temperature optimum
$I.$ The transfer of energy from producers to top consumers through a series of organisms is called food chain
$II.$ A food chain is always straight and proceeds in a progressive straight line
$III.$ In a food chain, there is unidirectional flow of energy from sun to producers and subsequently to series of different types of consumers
Which of the statements given above are correct?