Ecosystems: OCRA Biology Quiz

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Test your ecosystem knowledge.

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Cherlyn Lo

United Kingdom

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Ecosystems: OCRA Biology Quiz


Ecosystems: OCRA Biology QuizVersion en ligne Test your ecosystem knowledge. par Cherlyn Lo 1 What process converts ammonium to nitrate in the nitrogen cycle? a Nitrogen fixation b Nitrification c Denitrification d Ammonification 2 Which process in the carbon cycle releases CO2 to the atmosphere? a Photosynthesis b Respiration c Carbon fixation d Decomposition 3 In the nitrogen cycle, which step releases ammonium from organic matter? a Nitrification b Ammonification c Nitrogen fixation d Denitrification 4 What term describes the rate at which plants convert CO2 into organic matter? a Net primary productivity b Respiration rate c Gross primary productivity d Secondary productivity 5 Which organism group are the primary producers in most ecosystems? a Decomposers b Plants (photosynthetic organisms) c Fungi d Consumers 6 What is the carrying capacity of an environment? a Birth rate per year b Total population ever recorded c Number of resources available d Maximum sustainable population size 7 Which cycle component converts atmospheric nitrogen into ammonia via fixation? a Nitrification b Nitrogen fixation c Respiration d Decomposition 8 In ecology, what does sustainable management aim to balance? a No growth of populations b Immediate profit only c Unlimited extraction d Resource use with future needs 9 Which process returns nitrogen to the atmosphere as N2? a Assimilation b Nitrification c Denitrification d Nitrogen fixation 10 Which factor is a density-dependent limit on population growth? a Predation pressure b Light intensity only c Water availability only d Temperature only

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Ecosystems: OCRA Biology Quiz

Test

À propos de cette activité

Créé par

Téléchargez la version pour jouer sur papier

Top Jeux

Test

Photosynthesis vs Cellular Respiration - Practice Quiz

Test

Spanish Alphabet Listening

Test

Tissues - Practice Quiz

Test

UPS 5 Seeing Habits Quiz

Test

Practice Quiz - Punnett Square, Variation, and Mutations

Ecosystems: OCRA Biology QuizVersion en ligne

par Cherlyn Lo

What process converts ammonium to nitrate in the nitrogen cycle?

Which process in the carbon cycle releases CO2 to the atmosphere?

In the nitrogen cycle, which step releases ammonium from organic matter?

What term describes the rate at which plants convert CO2 into organic matter?

Which organism group are the primary producers in most ecosystems?

What is the carrying capacity of an environment?

Which cycle component converts atmospheric nitrogen into ammonia via fixation?

In ecology, what does sustainable management aim to balance?

Which process returns nitrogen to the atmosphere as N2?

Which factor is a density-dependent limit on population growth?