Which of the following is logical sequence of carbon cycle:

Related Mcqs:

1. Mark the incorrect statement with reference to carbon cycle:

   A. Lime rocks contribute to CO2 of water
   B. Atmospheric CO2 gets dissolved in water
   C. CO2 is returned by combustion of fuel
   D. 75% of total carbon lies in geological component

2. The main role of bacteria in the carbon cycle involves:

   A. Photosynthesis
   B. Assimilation of nitrogenous compounds
   C. Chemosynthesis
   D. Digestion or breakdown of organic compounds

3. Carbon cycle includes:

   A. Producer, consumer, decomposer
   B. Producer, consumer, producer
   C. Producer, decomposer, consumer
   D. Consumer, producer, decomposer

4. Many forested regions of today were once barren rock areas. Mot likely this change involved the following sequence of stages:

   A. Lichens-mosses-annual herbs-wood shrubs
   B. Annual herb-weedy shrubs-lichens-mosses
   C. Woody shrubs-mosses-lichens-annual herbs
   D. Mosses-annual herbs-woody shrubs-lichens

5. 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

6. Which of the following serves as source of carbon in plants:

   A. CO2 of carbonic rocks
   B. Atmospheric CO2
   C. Fossil fuel
   D. All of the above

7. A place was rocky and barren but now there is a green forest; the sequence of origin is:

   A. Lichen, mos, herbs, shrubs
   B. Moss, lichen, herbs, shrubs
   C. Lichen, moss, shrubs, herbs
   D. Shrubs, herbs, moss, lichen

8. The sequence: blue green algae – crustose lichen – foliose lichen – mosses – shrubs – dicot trees represent

   A. Genetic drift
   B. Ecological succession trend
   C. A food pyramid
   D. A phylogenetic trend

9. Mark the correct sequence of events occurring during ecological succession:

   A. Nudation – ecesis – aggregation – migration
   B. Migartion – ecesis – aggregation – nudation
   C. Nudation – migration – ecesis – aggregation
   D. Nudation – ecesis – migration – aggregation

10. Which one of the following pairs is a sedimentary type of biogeochemical cycle?

    A. Oxygen and nitrogen
    B. Phosphorus and Sulphur
    C. Phosphorus and CO2
    D. Phosphorus and nitrogen