Home
Class 12
BIOLOGY
Gross primary productivity is...

Gross primary productivity is

A

Rate at which organic molecuels are formed in an autotroph.

B

Rate at which organic molecuels are used up by an autotroph

C

Storage of organic molecuels in the body of an autotroph.

D

Rate at which organic molecules are transferred to next higher trophic level.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ORGANISM & ENVIRONMENT AND DEMOGRAPHY

    ALLEN|Exercise EXERCISE-II|150 Videos

  • ORGANISM & ENVIRONMENT AND DEMOGRAPHY

    ALLEN|Exercise EXERCISE-III|110 Videos

  • ORGANISM & ENVIRONMENT AND DEMOGRAPHY

    ALLEN|Exercise BOX-6|5 Videos

  • NEURAL CONTROL AND COORDINATION

    ALLEN|Exercise Questions|61 Videos

  • ORGANISM AND POPULATION (ECOLOGY)

    ALLEN|Exercise S|26 Videos

Similar Questions

Explore conceptually related problems

Assertion : The plant biomass which serves as the food of herbivores and decomposers is said to result from the gross primary productivity. Reason : Gross primary productivity is the rate of net production of organic meterial (biomass).

Which of the following statements are true ? 1. Gross primary productivity is always greater than Net Primary productivity . 2. Gross primary productivity plus the respiration losses give us Net Primary productivity . 3. The rate of respiration of plants affects the Net Primary productivity . 4. Net primary productivity + Gross primary productivity = Respiratory loss.

Select the correct combination of statements regarding the characteristics of productivity : I. The rate of biomass production is called productivity and is expressed in terms of kcal m^(-2) II. Gross primary productivity is rate of production of biomass during photosynthesis IIl. Gross primary productivity minus respiration loss is called net primary productivity IV. Primary productivity depends only on the plant species inhabiting a particular area. The correct statements are

Gross primary productivity minus respiration losses of an ecosystem is

In relation to Gross primary productivity and Net primary productivity of an ecosystem,which one of the following statements is correct?

The biomass available for consumption to heterotrophs and the rate formation of new organic matter by consumers are defined as (a) gross primary productivity and net primary productivity respectively (b) net primary productivity and gross primary productivity respectively (c) gross primary productivity and secondary productivity respectively (d) net primary productivity and secondary productivity respectively.

Describe the interrelationship between productivity , gross primary productivity and net productivity.

Describe the onter - relationship between productivity , gross primary productivity and net productivity.

Describe the inter - relationship between productivity , gross primary productivity and net productivity.

Write the relationship between productivity, gross primary productivity, net primary productivity, net primary productivity and secondary productivity.