Mark the correct sequence of events occurring during ecological succession:

Related Mcqs:

1. The ecological succession occurring as population 1 ? 2 ? 3 ? 4 indicates

   A. Cyclic succession
   B. Induced succession
   C. Retrogressive succession
   D. Allogenic succession

2. During ecological succession from pioneers to climax community the biomass of vegetation:

   A. Increases, then decreases
   B. Remains constant
   C. Decreases continuously
   D. Increases continuously

3. The ecological succession was first studied by:

   A. Clements
   B. Hult
   C. Odum
   D. King

4. Mark the climatic cause for the initiation of succession:

   A. Erosion
   B. Drought
   C. Deposition
   D. Micro-organisms

5. Mark the correct statement:

   A. Phototrophs are transducers
   B. Some herbivores are converters
   C. Microconsumers are saprotrophs
   D. All are correct

6. Mark the correct statement with reference to phosphorous cycle:

   A. Inorganic phosphates are lost by leaching
   B. Ocean phosphates are lost by sedimentation
   C. Soluble phosphates are lost by erosion
   D. Soil has plenty of dissolved phosphates

7. Mark the correct statement:

   A. Locusts migrate for feeding occasionally
   B. Whales show periodic migration
   C. Many birds migrate from Siberia to South pole
   D. Arctic term migrate from North to South pole

8. Mark the correct relationship:

   A. Holard – Chesard = Ecard
   B. Chesard – Ecard = Holard
   C. Holard + Ecard = Chesard
   D. Ecard – Chesard = Holard

9. The correct sequence of food chain is:

   A. Grass-insect-bird-snake
   B. Grass-bird-insect-snake
   C. Snake-bird-insect-grass
   D. Grass-snake-bird-insect

10. A crocodile had just eaten a lamb when a hawk saw the crocodile attacked it, and consumed it. The hawk is in ecological terms:

    A. A producer
    B. A primary consumer
    C. A secondary consumer
    D. A tertiary consumer