Ecosystem questions
336 published questions with worked solutions.
- The breakdown of detritus into smaller particles by earthworm is a process called [NEET 2018]
- The predator food chain is also called [NEET 2017]
- If 20 J of energy is trapped at the producer level, then how much energy will be available to the peacock as food in the...
- In an ecosystem, at a particular time, standing crop includes [NEET 2015]
- The loss of energy as one proceeds from one trophic level to the next higher level is approximately [NEET 2014]
- What type of ecological pyramid would be obtained with the following data? [NEET 2012] Secondary consumer: 120 g Primary...
- Which one of the following statements for the pyramid of energy is incorrect? [NEET 2011]
- **Assertion:** Amount of organic matter synthesized by producers per unit time and per unit area during photosynthesis is...
- **Assertion:** Oceans are a low productivity ecosystem despite occupying about 70% of earth's surface. **Reason:** In aquatic...
- **Assertion:** Temperature and soil moisture are the important climatic factors that regulate decomposition. **Reason:** Warm and...
- **Assertion:** The loss of biologically useful energy as heat with every energy transfer in a food chain is a consequence of the...
- **Assertion:** In a marine aquatic ecosystem, the biomass of phytoplankton (producers) at any given time is lower than the...
- **Assertion:** Secondary succession always involves a predictable sequence of species and ends up with the same climax community...
- **Assertion:** In nature, the recycling of carbon is essentially a self-regulating feedback system. **Reason:** The reservoir...
- Each question contains ASSERTION (Assertion) and REASON (Reason). Each question has the 4 choices (a), (b), (c) and (d) out of...
- If a pond food chain gets polluted by DDT, the tissue concentration of DDT would be highest in
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Other chapters
Alcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAlternating CurrentAminesAnatomy of Flowering PlantsAncient Indian HistoryAnimal KingdomApplication of DerivativesArea Under CurveAromatic Compounds and Aryl HalidesAtomsBasic Mathematics and LogarithmBinomial TheoremBiodiversity and ConservationBiological ClassificationBiomoleculesBiotechnology and Its ApplicationsBiotechnology: Principles and ProcessesBody Fluids and CirculationBreathing and Exchange of GasesCell Cycle and Cell DivisionCell: The Unit of LifeChemical Bonding and Molecular StructureChemical Coordination and Integration