Ecosystem questions
336 published questions with worked solutions.
- Which one of the following is not a functional unit of an ecosystem ?
- Secondary productivity is rate of formation of new organic matter by :
- Which one of the following processes during decomposition is correctly described ?
- If 20 J of energy is trapped at producer level, then how much energy will be available to peacock as food in the following chain?...
- Vertical distribution of different species occupying different levels in a biotic community is known as:
- The mass of living material at a trophic level at a particular time is called :
- In an ecosystem the rate of production of organic matter during photosynthesis is termed as:
- Which one of the following is a characteristic feature of cropland ecosystem?
- The term ecosystem was coined by:
- Which ecosystem has the maximum biomass?
- What type of ecological pyramid would be obtained with the following data? Secondary consumer : 120 g Primary consumer : 60 g...
- Which of the following ecological pyramids is generally inverted?
- Match List I with List II : List I A. Productivity B. Net primary productivity C. Gross primary productivity D. Secondary...
- Which of the following are primary consumers in a food chain?
- Which of the following statements are **Correct** ? (a) Energy flow from producers to consumers is unidirectional (b) Energy...
- Bacteria and fungi developing on dead and decaying organic matter are
- Soil is able to maintain a regular supply of minerals with the help of which of the following? I. Slow vegetation (decay) II....
- Ultimate source of energy in biosphere, is
- Which of the following is called as a detritivore?
- Humus layer in soil composed of dead fresh organic matter called
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