Ecosystem NEET Questions Pdf
Practicing our Ecosystem NEET Questions with Answers is one of the best ways to prepare for the NEET exam. As we know there is no substitute for consistent practice and putting in hard work to get a great score in the NEET Biology exam. By practicing the below MCQ on Ecosystem students can improve their speed and accuracy which can help them during their exam.
Multiple Choice Questions on Ecosystem
1. Ecosystem term coined by _______
(1) Odum
(2) Mishra
(3) Reiter
(4) Tansley
Answer: (4) Tansley
Read: Organisms and Populations MCQs for NEET
2. Vultures in an ecosystem are -
(1) Predators
(2) Scavengers
(3) Consumers
(4) Top carnivores
Answer: (2) Scavengers
Read: Biotechnology and its Applications MCQs
3. Large ecosystems are called ________________
(1) Biomes
(2) Ecotone
(3) Ecads
(4) Biocoenosis
Answer: (1) Biomes
Read: Biotechnology: Principles and Processes MCQs
4. Ecosystem is ______________
(1) Any functional unit that includes the whole
community in a given area interacting with the
abiotic factors
(2) A group of green plants
(3) A group of animals interacting with the environment
(4) Man and pets living together
Answer: (1) Any functional unit that includes the whole community in a given area interacting with the abiotic factors
Read: Strategies for Enhancement in Food Production MCQs
5. The maximum energy is stored at which of the following trophic level in any ecosystem_________
(1) Producers
(2) Herbivores
(3) Carnivores
(4) Top carnivores
Answer: (1) Producers
Read: Evolution MCQs
6.In a forest ecosystem green plants are ___________
(1) Primary producers
(2) Consumers
(3) Primary consumers
(4) Decomposers
Answer: (1) Primary producers
Read: Reproductive Health NEET MCQs
7. Who proposed that ecosystem is the symbol of structure & function of nature -
(1) Gardner
(2) Odum
(3) Tansley
(4) Reiter
Answer: (3) Tansley
Read: Reproduction in Organisms NEET MCQs
8. A plant, being eaten by a herbivore which in turn is eaten by a carnivore makes -
(1) Food chain
(2) Web of Food
(3) Omnivores
(4) Interdependence
Answer: (1) Food chain
9. This is a characteristic feature of the cropland ecosystem
(1) Absence of weeds
(2) Ecological succession
(3) least genetic diversity
(4) absence of soil entities
Answer: (3) least genetic diversity
10. Limitations of ecological pyramids involve all these statements, except
(1) they assume a simple food chain and do not consider food webs
(2) in the ecological pyramids, saprotrophs are not given any place
(3) they do not take into account the same species belonging to two or more trophic levels
(4) they do not represent relationships between organisms at different trophic levels
Answer: (4) they do not represent relationships between organisms at different trophic levels
11. Path of energy flow in an ecosystem is _______________
(1) Herbivorous ---> producer ----> carnivorous ----->
decomposer
(2) Herbivorous ---> carnivorous ---> producer --->
decomposer
(3) Producer ---> carnivorous ---> herbivorous --->
decomposer
(4) Producer ---> herbivorous ---> carnivorous --->
decomposer
Answer: (4) Producer ---> herbivorous ---> carnivorous ---> decomposer
12. Which one is not a functional aspect of an ecosystem?
(1) Energy flow
(2) Productivity
(3) Decomposition
(4) Stratification
Answer: (4) Stratification
13. With regard to ecological food chain, man is a _____________
(1) Consumer
(2) Producer
(3) Both consumers & producers
(4) decomposer
Answer: (1) Consumer
14. Bamboo plant is growing in a far forest then what will be the trophic level of it ___________
(1) First trophic level (T1)
(2) Second trophic level (T2)
(3) Third trophic level (T3)
(4) fourth trophic level (T4)
Answer: (1) First trophic level (T1)
15. Gross primary productivity is ______________
(1) Rate at which organic molecules are formed in an autotroph
(2) Rate at which organic molecules are used up by an autotroph
(3) Storage of organic molecules in the body of an autotroph
(4) Rate at which organic molecules are transferred to next higher trophic level
Answer: (1) Rate at which organic molecules are formed in an autotroph
16. Pyramids of energy are ________________
(1) Always upright
(2) Always Inverted
(3) Mostly upright
(4) Mostly inverted
Answer: (1) Always upright
17.Trophic levels are formed by __________
(1) Only plants
(2) Only carnivores
(3) Only animals
(4) Organism linked in the food chain
Answer: (4) Organisms linked in the food chain
18. If 20 J of energy is trapped at the producer level, then how much energy will be available to peacock as food in the following chain________ Plant > Mice > Snake > Peacock
(1) 0.02 J
(2) 0.2 J
(3) 0.002 J
(4) 0.0002 J
Answer: (1) 0.02 J
19. In an ecosystem the rate of production of organic matter during photosynthesis is termed as_________
(1) Net primary productivity
(2) Gross principal productivity
(3) Secondary productivity
(4) Net Productivity
Answer: (2) Gross principal productivity
20. The mass of living matter at a trophic level in an area at any time is called______
(1) Humus
(2) Standing crop
(3) Standing state
(4) Detritus
Answer: (2) Standing crop
21. The recycling of elements in an ecosystem is called_____________
(1) chemical cycle
(2) geological cycle
(3) biogeochemical cycle
(4) geochemical cycle
Answer: (3) biogeochemical cycle
22. Ecosystem has two components
(1) plants and animals
(2) weeds and trees
(3) biotic and abiotic
(3) frogs and mentions
Answer: (3) biotic and abiotic
23. The ecosystem receive nitrogen from outside through
(1) industries
(2) electrification of nitrogen
(3) biological nitrogen fixation
(4) all the above
Answer: (4) all the above
24. The slow rate of decomposition fallen logs is due to____________
(1) Poor nitrogen content
(2) Anaerobic environment
(3) Low cellulose content
(4) Low moisture content
Answer: (4) Low moisture content
25. In the study of man-environment interaction, the statement of Miss Semple that the humans are slowly the product of their environment' is______
(1) An opinion
(2) A prejudice
(3) A fact
(4) A widely accepted phenomenon
Answer: (3) A fact
26. The second trophic level in a lake is______________
(1) Phytoplankons
(2) Zooplanktons
(3) Benthos
(4) Fishes
Answer: (2) Zooplanktons
27. Secondary producers are __________
(1) Herbivores
(2) Producers
(3) Carnivores
(4) None of the above
Answer: (1) Herbivores
28. What is the percentage of photosynthetically active radiation (PAR) in the incident solar radiations?
(1) 100 %
(2) 50 %
(3) 1–5 %
(4) 2 – 10 %
Answer: (2) 50 %
29. Which of the following represents the sedimentary type of nutrient cycle?
(1) Sulphur
(2) Phosphorus
(3) Nitrogen
(4) Oxigen
Answer: (2) Phosphorus
30. Which of the following are abiotic components of the ecosystem?
(1) Bacteria
(2) Humus
(3) Plants
(4) Fungi
Answer: (2) Humus