These belong to the category of primary consumers:

Related Mcqs:

1. In which of the following groups, all the plants belong to the same category?

   A. Nymphaea, Poamogeton, Victoria
   B. Utricularia, Typha, Aponogeton
   C. Lemna, Spirodela, Azolla
   D. Ranunculus, Vallisneria, Hydrilla

2. In a biotic community, primary consumers are:

   A. Herbivores
   B. Detrivores
   C. Carnivores
   D. Omnivores

3. The primary consumers are described as:

   A. Herbivores
   B. Converters
   C. Transducers
   D. All of these

4. The number of producers and consumers in an ecosystem is mutually controlled by a:

   A. Productivity control
   B. Food chain mechanism
   C. Feedback mechanism
   D. Any of these

5. The following belong to the same trophic level:

   A. Tiger and wild beer
   B. Snake and earthworm
   C. Deer and honey bee
   D. Crow and cow

6. Which of the following belong to the same trophic level?

   A. Yeast and Monotropa
   B. Rhizopus and Riccia
   C. Ulothrix and Yeast
   D. All of these

7. Soil particles of size 0.03 mm belong to the class of:

   A. Coarse sand
   B. Silt
   C. Fine sand
   D. Clay

8. The number of primary producers within a specified area world be maximum in:

   A. Pond ecosystem
   B. Grassland ecosystem
   C. Desert ecosystem
   D. Forest ecosystem

9. Which of the following ecosystem has highest gross primary productivity:

   A. Grassland
   B. Coral reefs
   C. Mangroves
   D. Rain forest

10. Which ecosystem has the highest primary productivity?

    A. Pond ecosystem
    B. Lake ecosystem
    C. Grassland ecosystem
    D. Forest ecosystem