ICSE Class 10 Ecosystem — Mock Test

Free online mock test for Ecosystem (ICSE Class 10 Botany) — 76 competency-based questions with instant marking. Try the samples below, then take the full test free.

Sample questions

1. 1.Which statement about productivity is correct?
   • A.GPP is the rate of production of organic matter during photosynthesis, and NPP is the biomass available to heterotrophs after respiration
   • B.NPP is always greater than GPP
   • C.GPP excludes respiration losses by definition
   • D.NPP is the rate of formation of organic matter by consumers
2. 2.Which nutrient follows a gaseous type of biogeochemical cycle?
   • A.Carbon
   • B.Phosphorus
   • C.Calcium
   • D.Iron
3. 3.Which one of the following is NOT a type of ecological pyramid usually studied?
   • A.Pyramid of number
   • B.Pyramid of biomass
   • C.Pyramid of energy
   • D.Pyramid of decomposition
4. 4.Identification and enumeration of the plant and animal species of an ecosystem gives its:
   • A.Species composition
   • B.Stratification
   • C.Trophic level
   • D.Biomass pyramid
5. 5.Green plants in an ecosystem are called:
   • A.Producers
   • B.Primary consumers
   • C.Decomposers
   • D.Secondary carnivores