Ecology and Environment MCQ Questions for CUET UG

Practice Questions

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Q1SingleMarks: 5.00Negative: -1.00

Consider Mutualism together with related concepts from Population Interactions. Which of the following pairs is correctly matched?

A. Mutualism — trait improving ability to capture prey, such as camouflage or specialized structuresB. Mutualism — interaction in which both species benefitC. Mutualism — interaction in which one species benefits and the other is neither helped nor harmed significantlyD. Mutualism — interaction in which organisms negatively affect each other while using a limiting resource

Q2SingleMarks: 5.00Negative: -1.00

Which statement correctly describes Biomagnification?

A. conversion of biomass to energyB. increase in body sizeC. increase in concentration of persistent pollutants at successive trophic levelsD. decrease of pollutants up food chain

Q3SingleMarks: 5.00Negative: -1.00

Consider Competition together with related concepts from Population Interactions. Which of the following pairs is correctly matched?

A. Competition — reproductive strategy in which one species lays eggs in another species' nestB. Competition — differential use of resources that reduces competition among speciesC. Competition — interaction in which organisms negatively affect each other while using a limiting resourceD. Competition — interaction in which both species benefit

Q4SingleMarks: 5.00Negative: -1.00

Consider Population density together with related concepts from Organisms and Populations. Which of the following pairs is correctly matched?

A. Population density — functional role and position of a species in its environmentB. Population density — movement of individuals into a populationC. Population density — number or biomass of individuals per unit area or volumeD. Population density — movement of individuals out of a population

Q5SingleMarks: 5.00Negative: -1.00

Consider Exponential growth together with related concepts from Organisms and Populations. Which of the following pairs is correctly matched?

A. Exponential growth — population growth that slows as population approaches carrying capacityB. Exponential growth — birth rate in a populationC. Exponential growth — movement of individuals out of a populationD. Exponential growth — population growth described by dN/dt = rN under unlimited resources

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