Ecosystem questions
336 published questions with worked solutions.
- Organisms which are associated with both the first and the third trophic levels are
- Pyramid of biomass for a grazing food chain represents
- In a grassland ecosystem, if the number of primary producers (plants) is approximately 6 million, the number of top carnivores...
- The given pyramid (Producers → Primary consumers → Secondary consumers → Tertiary consumers, narrowing from a wide base to a...
- Read the given statements and select the correct option. **Statement 1:** In an aquatic ecosystem, the pyramid of biomass is...
- Read the following statements and select the incorrect ones. (i) Pyramids of energy can never be inverted, since this would...
- Match column I with column II and select the correct option from the given codes. | Column I | Column II | |---|---| | A....
- An ecosystem which can be easily damaged but can recover after some time if the damaging effect stops, will be having
- During the stages of succession in a given ecosystem, the following changes in characteristics may be observed. | Characteristic...
- The ecosystem services include
- An inverted pyramid of biomass can be found in which ecosystem?
- How much of the net primary productivity of a terrestrial ecosystem is eaten and digested by herbivores?
- If the carbon atoms fixed by a producer have already passed through three species, the trophic level of the last of these species...
- Given below is a table of factors affecting microbial decomposition ('+' means favouring and '−' means inhibiting or lowering)....
- With reference to the given food web (Oak tree → Mouse, Pine borer, Pine tree; Mouse/Salamander/Snake/Pine borer → X; X →...
- Refer to the given food web (Oak → Insect/Rabbit/Deer/Mice; Insect → Toad; Mice/Toad → Skunk/Bird; Deer/Skunk/Bird → Wolf/Fox)...
- **Assertion:** Net primary productivity is gross primary productivity minus respiration. **Reason:** Secondary productivity is...
- Which of the following processes will be most adversely affected if microorganisms are removed from a forest ecosystem? [NEET...
- Which one of the following processes during decomposition is correctly described? [NEET 2020]
- The important steps in the process of decomposition are [NEET 2019]
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