A. Abiotic
B. Biotic
C. Both (a) & (b)
D. None of these
Correct Answer: Both (a) & (b) ✔
Last Updated: May 16, 2024
Related MCQs
- Abiotic factors are:
- Branches of ecology are:
- Which of the following is expected to have the highest value (gm/m2/yr) in a grassland ecosystem?
- In a food chain, the total amount of living material is depicted by: A. Pyramid of biomass B. Pyramid of energy C. Pyramid of number D. Trophic levels
- Environmental factors in ecosystem:
- The correct sequence of food chain is:
- Bacteria and fungi in a forest ecosystem are generally:
- Ecological pyramids were discovered by:
- An ecosystem which can be easily damaged but can recover after sometime if damaging effect stops will be having:
- During food chain the maximum energy is stored in:
- In the following there is no difference:
- The ultimate energy source of ecosystem is:
- In the phosphorus cycle, weathering makes phosphate available first to:
- The fungi in a forest ecosystem act as:
- Decomposers are:
- In a biome the life form of climatic climax vegetation is:
- Buttresses are usually found in the plants growing in:
- These belong to the category of primary consumers:
- The plants of Cupressus and Cedrus are characteristic of:
- The moist tropical deciduous forest biomes show predominace of plants like:
- The temperate broad-leaf forest biomes are characterized by the predominance of
- During anaerobic digestion of organic waste, such as in producing biogas, which of the following is left undegraded?
- Nektons are:
- Plants like Saccharum. Impetrate, Capparis and Acacia occur in the following biome:
- Which of the following food chain may not be directly dependent upon solar energy?
- Carbon cycle includes:
- Azolla is used as a biofertilizer because it:
- If bamboo plant is growing in a far forest then what will be its trophic level?
- Which type of the following ecological pyramids are never inverted?
- Mr. X is eating curd/yoghurt. For this food intake in a food chain he should be considered as occupying:
- This is an inverted pyramid:
- In food chain initial organisms are:
- Peacock eats a snake and snake eats frog and frog eats insect while insect eats green plant, then position of peacock is:
- A food chain has the following trophic levels:
- In a comparative study of grassland ecosystem and pond ecosystem it may be observed that:
- Source of energy in an ecosystem is:
- Savannahs are:
- The rate of storage of food energy at consumer level is called:
- Which of the following is an artificial ecosystem?
- Tip of ecological pyramid is occupied by:
- When the number of organisms at successive levels are plotted, they assume the space of a pyramid. This is called the pyramid of:
- Ten percent law of energy transfer, in a food chain was enunciated by:
- Which part of the pond ecosystem does not affect by the temperature:
- Relative biological effectiveness (RBE) is usually referred to damages caused by:
- If phytoplanktons are destroyed from sea, then:
- In food chain, herbivores are:
- In an upright pyramid of biomass, the herbivores occupy the position:
- The flora and fauna in lakes and ponds represents:
- Which ecosystem has the highest primary productivity?
- Which are the biotic components of forest ecosystem?
- Energy enters into the ecosystem through: