ECOSYSTEM Set 3

Question - 15 Maximum mark : - 15

Following are the different stages in primary succession in water

Which of the following is the logical sequence of primary succession in water?

VII

III

V I

III

VII V

VII

III

I VI

VII

III

IV NULL NULL NULL

Energy flow and energy transformation in living systems strictly conform to the

Law of limiting factors Liebig's law of minimum Law's of thermodynamics Shelford's law of tolerance NULL NULL NULL

Phosphorus is required for making
I. shell
II. bones
III. teeth
Choose the correct option

I and II I and III II and III I, II and III NULL NULL NULL

The species that invade a bare area in ecological succession are called

Benthos Biological species Seral species Pioneer species NULL NULL NULL

In a pond ecosystem, benthos means

Primary consumers in the depth of a pond Virus Zooplankton on the water surface Bacteria NULL NULL NULL

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