The primary consumers are described as:

Related Mcqs:

1. In a biotic community, primary consumers are:

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

2. These belong to the category of primary consumers:

   A. Snakes and frogs
   B. Water insects
   C. Eagle and snakes
   D. Insects and cattle

3. 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

4. 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

5. Which is a primary consumer?

   A. Scavenger
   B. Saprophyte
   C. Carnivore
   D. Herbivore

6. The primary productivity is minimum in the following ecosystem:

   A. Tropical rainforest
   B. Temperate grassland
   C. Tropical deciduous forest
   D. Desert shrub

7. According to Odum, the percentage of net primary production of total light intake is:

   A. 10%
   B. 0.15%
   C. 1%
   D. 1.50%

8. The efficiency of primary production in an ocean is:

   A. 5%
   B. 3.50%
   C. 1%
   D. 0.20%

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