Question
Download Solution PDFWhich of the following productivity refers to the storage of organic matter in plant tissues exceeding the respiratory use by plants during the period of measurement?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is Net primary productivity.
Key Points
- Gross primary productivity is the total rate of photosynthesis including the organic matter used up in respiration.
- Net productivity is the rate of storage of organic matter not used by heterotrophs or consumers.
- Secondary productivity is the rate of energy storage at consumer's level.
- Net primary productivity is the rate of storage of organic matter in plant tissues in excess of respiratory utilisation by plants. NPP is equal to the rate of organic matter produced by photosynthesis minus the rate of respiration losses.
- Hence, the energy present in the biomass of the plants is known as Net primary productivity.
- NPP=GPP− Respiratory loss.
Last updated on Jul 3, 2025
-> MPSC Prelims Exam will be held on 28 September.
-> MPSC has extended the date for online application fee payment. Candidates can now pay the fees online till 23 April, 2025.
-> The revised exam dates for the MPSC mains exam were announced. The State services main examination 2024 will be held on 27th, 28th & 29th May 2025 as per the revised schedule.
-> MPSC State service 2025 notification has been released for 385 vacancies.
-> Candidates will be able to apply online from 28 March 2025 till 17 April 2025 for MPSC State service recruitment 2025.
-> Selection of the candidates is based on their performance in the prelims exam, mains exam and interview.
-> Prepare for the exam using the MPSC State Services Previous Year Papers.
-> Also, attempt the MPSC State Services Mock Test to score better.
-> Stay updated with daily current affairs for UPSC.