Mark the incorrect statement with reference to carbon cycle:

Related Mcqs:

1. 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

2. Mark the correct statement:

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

3. Which of the following is logical sequence of carbon cycle:

   A. Photosynthesis-consumer-decomposer
   B. Decomposer-consumer-photosynthesis
   C. Photosynthesis-decomposer-consumer
   D. Consumer-photosynthesis-decomposer

4. 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

5. Carbon cycle includes:

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

6. 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

7. Mark the rooted submerged hydrophyte:

   A. Marsilea
   B. Utricularia
   C. Vallisneria
   D. Monochoria

8. Mark the plant showing insecticidal properties:

   A. Ocimum basilicum
   B. Azadirachta indica
   C. Both (a) & (b)
   D. Dalbergia sissoo

9. Mark the pioneer in a hydrosphere:

   A. Diatoms
   B. Najas
   C. Zanichellia
   D. Lemna

10. 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