Ecosystem questions
336 published questions with worked solutions.
- Select the incorrect food chain.
- One model that shows how energy passes from one trophic level to another trophic level is called
- Total amount of living material at the various trophic levels of a food chain is depicted by pyramids of
- In an ecological pyramid the base always represents the ...A... and the apex represents ...B... Here A and B represents
- Food chain starts with
- Which of the following always has a pyramidal shape, that is, decreasing values at higher trophic levels?
- A lion that eats a zebra that ate grass is a
- Which food chain correctly describes the flow of energy in an ecosystem?
- Match the following columns. | Column-I | Column-II | |---|---| | (A) Primary consumers eat | (1) Primary producers | | (B)...
- A food web is more realistic than a food chain for showing the feeding relationships in an ecosystem because
- Select the option that correctly identifies A, B and C in the given table. | Column-I | Column-II | |---|---| | (A) Primary...
- Only a small amount of the energy stored in food is available to the next organism in a food chain because
- What do ecologists call the transfer of energy that begins with the sun and passes from one organism to the next in a food chain?
- Regarding grazing food chain I. It starts with green plants as producers as the first trophic level II. A much less fraction of...
- Regarding detritus food chain I. It begins with dead organic matter and decomposers called saprophytes as first trophic level II....
- Given flow chart represents grazing and detritus food chains. Grazing food chain: Grass → Rabbit → Lion Detritus food chain: Dead...
- Consider the following statements about pyramid of biomass. I. When we plot the biomass (net dry weight) of producers,...
- Select the options that correctly identifies A, B and C in the given table. | Organisms | Trophic Level | Type of Food Chain |...
- Suppose 2000 J of solar energy is incident on green vegetation. On the basis of the 10% law of Lindeman, identify A, B and C....
- Regarding the 10% law I. This law was put forward by Lindeman in 1942 II. According to this law, during the transfer of food...
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