A. Nitrogen fixing organisms
B. Photosynthesizing organisms
C. Respiration
D. Decomposers
Correct Answer: Photosynthesizing organisms ✔
Last Updated: May 16, 2024
Related MCQs
- Which of the following world is related to Homo sapiens?
- The number of primary producers within a specified area world be maximum in:
- Green plants constitute:
- The first link in any food chain is a green plant because:
- A food chain consists of:
- Biosphere refers to:
- In a food chain, man is:
- The incorporation of minerals by microbes is called:
- Carnivores are:
- The significance of ecosystem lies in:
- The minimum number of components required for an ecosystem to survive:
- Which of the following habitats is most unsuitable for primary productivity:
- The pyramid that cannot be inverted in a stable ecosystem is the pyramid of:
- Nepenthes is a:
- Prairies and steppes are parts of the natural regions called:
- The earth could have sustained more population if all the people would have been:
- Ecosystem may be defined as:
- In an aquatic environment, microscopic animals and plants are collectively known:
- An ecosystem is: __________?
- Pond is an example of:__________?
- The term biosphere is used for the zone of earth where life exists:
- Each human couple should produce only two children which help in:
- A habitat of long severe winters and growing season limited to a few months of summer constitutes:
- In natural ecosystem, decomposers include:
- Competition for water, minerals, light and space is most severe between two:
- Ecosystem is: __________?
- Which one of the following terms does not reflect the idea of ecosystem:
- An ecosystem may be defined as:
- The word ecosystem was coined by:
- Ecosystem has two components: