Ecology and Environment

103 solved questions 3 tests

Ask a question

Take chapter test ← Previous

Topics

• Population interactions: mutualism, competition, predation, parasitism 17
• Population attributes: growth, birth and death rate, age distribution 11
• Ecosystem patterns and components 11
• Productivity and decomposition 8
• Energy flow and ecological pyramids 7
• Biodiversity: concept, patterns, importance, loss 27
• Biodiversity conservation: hotspots, Red Data Book, biosphere reserves, national parks, sacred groves 22

Chapter tests

See all →

• Botany: Ecology and Environment – NEET practice test 1 Practice set · NEET · 25 questions · 25 min
• Botany: Ecology and Environment – NEET practice test 2 Practice set · NEET · 25 questions · 25 min
• Botany: Ecology and Environment – NEET practice test 3 Practice set · NEET · 25 questions · 25 min

Top questions

See all →

• Match List I with List II :List I: A. The Evil Quartet B. Ex situ conservation C. Lantana camara D. DodoList II: I. Cryopreservation II. Alien species invasion III. Causes of biodiversity losses IV. ExtinctionChoose the correct matches. Answer: 2. A-III, B-I, C-II, D-IV Key idea: Biodiversity conservation terms. The Evil Quartet: the causes of biodiversity losses (A-III). Ex... Biodiversity conservation: hotspots, Red Data Book, biosphere reserves, national parks, sacred groves 1 answer
• Given below are two statements :Statement I : In ecosystem, there is unidirectional flow of energy of sun from producers to consumers.Statement II : Ecosystems are exempted from 2nd law of thermodynamics.In the light of the above statements, choose t… Answer: 3. Statement I is correct but statement II is incorrect Key idea: Energy flow in an ecosystem is unidirectional, and it obeys thermo... Energy flow and ecological pyramids 1 answer
• Which one of the following equations represents the Verhulst-Pearl Logistic Growth of population? Answer: 2. dN/dt = rN((K - N)/K) Key idea: The Verhulst-Pearl logistic equation includes the carrying capacity K. dN/dt=rN(K-N/K) When N is... Population attributes: growth, birth and death rate, age distribution 1 answer
• Who is known as the father of Ecology in India? Answer: 2. Ramdeo Misra Key idea: Ramdeo Misra is known as the father of Ecology in India. S. R. Kashyap and Ram Udar are known for work on... Ecosystem patterns and components 1 answer
• Given below are two statements :Statement I : Fig fruit is a non-vegetarian fruit as it has enclosed fig wasps in it.Statement II : Fig wasp and fig tree exhibit mutual relationship as fig wasp completes its life cycle in fig fruit and fig fruit gets… Answer: 2. Both statement I and statement II are incorrect Key idea: Both statements fail when read strictly. Statement I is incorrect. A fi... Population interactions: mutualism, competition, predation, parasitism 1 answer
• Which of the following is the unit of productivity of an Ecosystem? Answer: 4. (KCal m⁻²)yr⁻¹ Key idea: Productivity is the rate of biomass or energy production per unit area per unit time. So it needs an are... Productivity and decomposition 1 answer