NEET Biology Ecosystem MCQs Set A

Refer to NEET Biology Ecosystem MCQs Set A provided below available for download in Pdf. The MCQ Questions for Full Syllabus Biology with answers are aligned as per the latest syllabus and exam pattern suggested by NEET, NCERT and KVS. Multiple Choice Questions for Ecosystem are an important part of exams for Full Syllabus Biology and if practiced properly can help you to improve your understanding and get higher marks. Refer to more Chapter-wise MCQs for NEET Full Syllabus Biology and also download more latest study material for all subjects

MCQ for Full Syllabus Biology Ecosystem

Full Syllabus Biology students should refer to the following multiple-choice questions with answers for Ecosystem in Full Syllabus.

Ecosystem MCQ Questions Full Syllabus Biology with Answers

NEET Biology Ecosystem MCQs

 

Functions of Ecosystem
1. flow of energy
2. Bio-geo-chemical cycle of matter.
 
Food chain.
1. grazing food chain
2. Detritas food chain
 
• Food web -
organisms have interrelationships for food in form of comput net work, termed as food web.
 
• Ecological pyramids -
1. Numerical pyramids
2. Bio-mass pyramid
3. Energy pyramid
 
 Flow of energy is unidirectional in ecosystem
 
 During specific time period free organisms, species, population or ecosystem forms mass of organic substances or production of biomass is termed as productivity.
NEET Biology Ecosystem MCQs1
 
 Sequence of productivity
Forest > grass land > desert.
 In aquatic system productivity decreases with increase in depth.
 Decomposition - Dead or complex substances are converted into simple form and mixes with soil.
NEET Biology Ecosystem MCQs2
 
 Biogeo chemical cycle
In cyclic path, from environment to organisms organisms to enviroment, constant & regular transport of organic substances.
There are two type of bio geo-chemical cycles
1. gaseous cycle           2. phosphorus cycle
e.g. ovitrogen cycle      e.g. phosphorus cycle
oxygen cycle sulphar    cycle
 
 
 
 
1. What does following diagram indicate ?
 
NEET Biology Ecosystem MCQs3
 
(A) Declining Population (B) Constant declining Population
(C) Increasing Population (D) Stable Population
 
2. Which option is not correct for the given diagram ?
NEET Biology Ecosystem MCQs4
 
(A) It indicate decreasing population stable
(B) It indicate stable population
(C) The post-population age group people are more in number
(D) The death rate is higher than birth rate
 
3. A Snake feed on frog, the hawk feed on this snake. What is the place of snake in foodchain?
(A) producer (B) primary consumer
(C) secondary consumer (D) Tertiary consumer
 
4. What is correct for the given diagram?
NEET Biology Ecosystem MCQs5
(A) Pre- re productire group people are more in number
(B) Post-re productive group people are more in number
(C)Post-re productive group people are more less
(D)In it-pre productive and post reproductive age- group are placed respectively.
 
5. Orchid living on the tree is an example of ______?
(A)Parasitic (B)Predetor
(C)Commensalism (D) Mutualism
 
6. Population of which of the following will be highest in the foodchain?
(A) Decomposer (B) Primary Producer
(C)Photosynthetic organism (D)Secondary consumers
 
7. Who is food componant of the grazing food chain?
(A) Consumer (C) Decomposer
(D) Photosynthetic living organism (D)Photosynthetic consumers
 
8. System resulting from interaction of all the known living factors and populaton of all the species of a unit area is___
(A) Ecology (B)Genetics
(C) Science of plants and animal (D)Ecosystem
 
9. In which of the following plants are included in any food chain?
(A)Primary Producer (C)primary comsumer
(B)Primary predator& producer (D) Primary decomposar
 
10. Which of the following is the correct statement for food chain?
(A) Every chain formed by nutritional relations , is used to understand energy flow.
(B) Enery componet of the food chain forms trophic level.
(C) Inter- relation amongest different food chain froms food web.
 
11. Which of the following uses maximum energy?
(A) Primary comsumer (B) Secondary consumer
(C) Decomposer (D) Primary Producers
 
12. Through, whoch of the following, enery enters in an ecosyslem?
(A) Herbivores (B) Producer
(C) Decomposer (D) Primary producers
 
13. Why is algae placed in first place of food chain ?
(A) Algae is first to synthesize food.
(B) Algae is first to consume food.
(C) Every living organisam can utilize food.
(D) None of the given.
 
14. In which of the following wheat eating pegions included ?
(A) Decomposer (B) Primary consumer.
(C) primary producers (D) secondary consumer.
 
15. Which of the following is placed in upper most (highest) level of ecological pyramids.
(A) Herbivores
(B) Carnivors
(C) Primary and Secondary Producers.
(D) Primary and Secondary consumer.
 
16. As we proceed in food chain, bio-mass___
(A) Remain Same (B) Decreases
(C) Increases (D) Initially same and later keep decreasing.
 
17. In ecosystem the source of energy is____
(A) ATP (B) Sun (C) The Green plant (D) Sugar.
 
18. Who is primary consumer of biotic community ?
(A) Herbivores/ Grazing animal (B) Omnivores
(C) Scavengers (D) Carnivores.
 
19. In which of the following weeds are placed ?
(A) Primary producers (B) Secondary consumer.
(C) Primary consumer. (D) Decomposer.
 
20. When does the energy flow start in an ecosystem ?
(A) When material cycle starts
(B) When sun rises
(C) When any living organisam gain food.
(D) When light energy is converted in chemical energy.
 
21. Which of the following option is correct for storage place phosphorus and nitrogen respectively ?
(A) Consumer (B) Parental rock and environment
(C) Environment and producers (D) Environment and parental rock
 
22. An individual ''x'' uses mashroom as food then in which trophic level mashroom and''x'' are included?
 
NEET Biology Ecosystem MCQs Set A
 
 
23. Which of the following is trophic level of the orchid staying on mango tree ?
(A) First (B) Tertiary/ Third
(C) Second (D) Fourth
 
24. Which age group in pyramid indicate less reproductive potential ?
(A) Bell shaped
(C) Triangular
(B) Inverted Bell shaped
(D) All of them have equal( same) potential
 
25. It is correct for ecosystem____
(A)( Plants, Animals, Microorganisms) + Abiotic environment
(B) Community formed by various species present in a particular region.
(C) Animal, plants and micro- organisms.
(D) Abiotic factors
 
26. What is the original source of energy for the living organisms ?
(A) Carbohydrate (B) Sun light
(C) ATP (D) Lipid
 
27. In which of the following curd eating people are included ?
(A) Producer (B) First[1st ]
(C) Tertory[3rd ] (D) Second[2nd ]
 
28. The functional efficiency of ecosystem is effected when decomposers are removed from it, because..
(A) Energy flow will stop
(B) Rest components decomposetion will become faster
(C) Herbivous will not get sun light
(D) Flow of nutrient will stop.
 
29. From which of the following detritus food chain will start ?
(A) Algae (B) Bacteria
(C) Protozoa (D) Virus
 
30. Which of the following is gaseous cycle ?
(1) Sulphur cycle (3) Phosphorous cycle
(2) Carbon cycle (4) Nitrogen cycle
(A) 1 (B)1,2 (C) 3, 4 (D) 1,3,4
 
31. At Each trophic level, in which form energy is lost ?
(A) Heat (B) Chemical
(C) Light (D) None
 
32. Which Source of eutrophication is the modern source of phosphorus ?
(A) Detergent (B) Fertilizer
(C) Faecal of animal (D) Rivers
 
33. It helps in absorbtion of phosphorous ?
(A) Leaves (B) Mycorriza
(C) Root (D) Stem
 
34. In a day, How many times an individual inspire and expire (breathing) ?
(A) 10,000 (B) 20,000
(C) 40,000 (D) 50,000
 
35. What percentage of total metabolic energy is produced through fermentation of lactic acid ?
(A) 80% (B) 70%
(C) 100% (D) 40%
 
36. Which adaptation is observe only in xerophytes ?
(A) CAM (C) Hatch-Slack
(B) TCA (D) C3 cycle
 
37. Which of the following opteon is correct for CO2 absorption in CAM ?
(A) During night (B) Only at midnight
(C) During day time (D) Morning
 
38. It- (I) Liver→ Liver lobule
(II) kidney→ Uriniferous tubule
(III) Ecolog:y →  X
than What does"x" represent ?
(A) Biotic community (B) Ecosystem
(C) Population (D) All of the given
 
39. What can be Explained through following chart ?
 
NEET Biology Ecosystem MCQs Set A-
 
(i) Biological magnification concentration of DDT
(ii) Aquatic food web
(iii) Food chain
(iv) DDT is non degrable
(v) One aquatic ecosystem
(A) (i), (ii), (iii) (B) (i), (iii), (iv)
(C) (ii), (iii), (iv) (D) (iii), (iv), (v)
 
40. With reference to precess of decomposition arrange the following in proper sequence.
(1) Deadmaterial → Predation by detrivore → digestion in animals → defecation→mixes with soil.
(2) MIneralization and symthesis of fertilization of substances.
NEET Biology Ecosystem MCQs Set A-1
 
(4) Transport of soluble substances in the inner layer of soil
(A) 1,2,3,4 (2) 1,4,3,2 (3) 3,1,4,2 (4) 1,3,4,2
 
41. An element which is generally obtain from rocks.
From the given information which is correct option for the same
NEET Biology Ecosystem MCQs Set A-2
(A) (1) dissolve in water,
(2) depositeda at the bottom of the sea
(3) used by forest
(4) eaten by fishes
(5) eaten by sea birds
 
(B) (1) dissolve in water,
(2) used by planktons
(3) Fishes
(4) Sea birds
(5) deposited at the bottom of the sea
 
(C) (1) Fishes
(2) Sea birds
(3) used by planktons
(4) Sea birds
(5) deposited at the bottom of the sea
 
(D) (1) Fishes
(2) used by planktons
(3) Fishes
(4) Sea birds
(5) None
 
42. Few statements are given below in reference with Thermodynamics, Which of the following option shows all correct statements for it ?
(I) Amount of energy is constant.
(II) During transfer of energy some amount of energy is converted in to heat.
(III) Free energy = energy which can do work.
(IV) At each tophic level amount of stored energy reduces.
(A) (I) and(II)
(B) (III) and (iv)
(C) (i) and (iv)
(D) All of the given
 
43. Food chain always start with producer, which of the following is an exceptional to the given statement.
(A) Rat (C) Fox
(B) Lion (D) Earth - worm
 
44. X is released in Halophytes and Y is source of it, , Z process occurs in- estuary, then What does x,y,z indicate?
(A) X- Potassium Y - rocks
      Z- Biological magnification
(B) X - DDT Y - Water
     Y- Biological magnification
(C) X -Phosphorus Y - Sewage water
     Z- Eutophication
(D) None of this.
 
45. If energy produced by producer is 1000 units, than What amount of energy will be found in highest level of consumer ?
(A) 100 (B) 10
(C) 1 (D)1000
 
 
NEET Biology Ecosystem MCQs Set A-3
What does given chart indicate ?
(A) Structure of ecosystem.
(B) Type of ecosystem
(C) First and second law of Thermodynamics
(D)- Bidirerectional flow of energy.
 
47. What is incorrect for oxygen ?
(A) Most of the metabolic energy is produced by it.
(B) Plants are included in the organisms producing it.
(C) It is essential for all the organisms.
(D) Its proportion in water is 90%.
 
48. X is source of y. but y never return to x, Than which option is wrong for x and y.
(A) X = plant, Y= organic compound (B) X= sun, Y=Energy
(C) a & b Both are correct. (D) A and B are Wrong.
 
49. What does pyramid of Bimass of an ecosystem indicate in__
(A) Number of species in each trophic level
(B) Number of organisms in each trophic level
(C) Organisation of tissue of each tophic level
(D) All of the given.
 
50. Which option is correct for the given information ?
(1) Ecosystem is an outcome of an interaction between all living components and non- living components of Environment.
(2) GPP= NPP- loss due to respiration
(3) Primary productivity is measured in dry biomass.
(A) TFT (B)FFT
(C) FTF (D)TTF
 
NEET Biology Ecosystem MCQs Set A-4
 
52. What is responsible for change in the size of population of any particular area ?
(A) Availability of food. (C) Pressure
(B) Predation (D) All three
 
53. In one forest maximum 500 lions can be allowed with than what does 500 indicate ?
(A) Maximum birth rate (B) Population of lion
(C) Carrying Capacity of Population (D) Realed birth rate
 
54. At which vital index population is stable ?
(A) 1 (B) 0
(C) Infinitive (D) 100
 
55. In any of the ecosystem man can be____
(A) Primary Consumer (C) Secndary Consumer
(B) Producer (D) a & c
 
56. If earth is considered a unit region then biosphere can be compared to___
(A) Eco-System (C) Population
(B) Biotic Community (D) Species 
 
57. If earth is considered a unit region then it can be compared to___
(A) Eco-System (B) Population
(C) Biotic Community (D) Species
 
58. Who accepts the nutrient released in environment by docomposer ?
(A) Consumers (B) Producers
(C) Secondary Consumers (D) None of the given
 
59. If herbivores are "5" in number in the given food chain then, what will be the total number of trophic layers in the it ?
(A) 7 (B) 8
(C) 5 (D) can not be predicted
 
60. which organism provided useable phosphate from dead organisms?
(A) Fungi, Bacteria (B) Fungi , Algae
(C) Bacteria, Algae (D) Bacteria, Fungi
 
61. How many times do we breathe per day ?
(A) 20,000 (B) 40,000
(C) 20,000 (D) None of theme
 
NEET Biology Ecosystem MCQs Set A-5
 
 
65. What is an Original Source of energy flow in any food chian ?
(A) Sun (B) Produces
(C) Primary (D) None
 
66. Immature fall of floral bud and fruits are observed in a farm, and on leaves Red and purple pigments spots are observed, In which of following place is Such Symptoms will not be observed in plants
(A) Sea shore (B) Bank of river
(C) Foot hills of mountain (D) Red Soil
 
67. Who is responsible for the process like, Phosphate Containing Organic compound→Phosphate
(A) Certain fungi (B) Certain algae
(C) Certain Specific bacteria (D) All three
 
68. Which of the following eco-system has highest annual primary productivity ?
(A) Tropical deciduou forest
(B) Tropical Rain forest
(C) Temperate deciduou forest
(D) Temperate Ever green forest.
 
69. Which of the following is not a functional unit of ecosystem ?
(A) Stratification (B) Flow of energy
(C) Decompos (D) productivity.
 
70. Which of the following associations do not establish functional interspeciific association ?
(A) Mutualism (B) Exosparasite
(C) Endoparasite (D) Commensalism
 
71. Which statement is correct ?
(A) Plant uses CO2 during respiration.
(B) Biomass of the plant is available to only herbivores.
(C) In all CO2 acceptor plants, organic compounds are produce throudh photosynthesis.
(D) All three.
 
72. It is the type of photosynthesis occurs in most of the plants ?
(A) C4 - Cycle (B) C3 - Cycle
(C) CAM - Cycle (D) C2 -Cycle
 
73. In which of the following alimentory canal, '' starch → glucosen'' is prodused ?
(A) Producer (B) Ist trophic layer
(C) IInd trophic layer (D) All of types
 
NEET Biology Ecosystem MCQs Set A-Q74
 
75. In an ecosystem, Which of the following is unidirectional ?
(A) Sulphar (B) Organic nutrient
(C) Carbon (D) Free energy
 
76. Who is first to receive Phosphate released through leaching in phosphate cycle ?
(A) Decomposer (B) producer
(C) Consumer (D) None of the given
 
77. Which of the following is not a pair of Gaseous cycle ?
(A) P&N (B) N & S
(C) N & S (D) C & P
 
78. What is indicated by Pyramid of number ?
(A) Number of individuals at every trophic layer.
(B) Species belonging to a particular region.
(C) Number of member of biotic- community
(D) None of the given.
 
79. Which of the following has maximun importance (value) in grass- land.
(A) Secondary Production (B) Net Production
(C) Tetiacry Prroduction (D) Total Production.
 
80. Grass → cow→lion. If productivity of grass is 5000 kg/ Meter/ year. Then What will be the productivity of lion ? (In general)
(A) 500 (B) >50
(C) 1000 kg /mter2 / year. (D) >100
 
81. Select correct statements
(i) If 90% of Carnivores are remooved form forest, then forest area increases.
(ii) Generally 3 to 4 trophic layer are present in food chain due to loss of energy.
(iii) Food chain always possesses 2 to 8 trophic layers.
(iv) On removing 80% of tigers, member of herbivores will increase.
(A) (ii), (iv) (C) (i), (iii) (B) (i), (ii) (D) (iii), (iv)
 
82. In which stage of the Decomposition, larger surface area for future decomposition is availabel?
(A) 1st (B) 2nd (C) 3rd (D) All of the above
 
83. Which option is Correct for the given statments x and y ?
X : fungi, showing law level of body organization producer with thick wall.
Y : On availability of favourable condition they producer sporophytic stage.
NEET Biology Ecosystem MCQs Set A-Q75
 
NEET Biology Ecosystem MCQs Set A-Q-
 
In the given chart from carnivores to producer energy level gradually.
(A) Decreases
(B) Increases
(C) Decreases & increases both are possible
(D) None
 
85. Which of the given option is shows more stable ecosystem ?
 
NEET Biology Ecosystem MCQs Set A-Q-1
 
86. Which of the following is one of the causes of cancer ?
(A) Obesity
(B) Artheros cerosis
(C) Inadcquale of O2 supply
(D) Hypertension
 
87. which option is more suitable for x and y ?
X : Animal cells possesses mitochondria.
Y : IN animal cell energy is released when carbohydrates are completely broken .
(A) Both are correct
(B) Both are wrong
(C) If x is correct then only y is correct .
(D) X : correct Y : wrong
 
 
NEET Biology Ecosystem MCQs Set A-Q-2
 
NEET Biology Ecosystem MCQs Set A-Q-89
(A) Figure (B) Figure (C) Figure (D) Figure
 
90. Which of the following stage is possible by the activity of Hetorotrophs ?
(A) Utility (B) Re-accommodation
(C) Decmposition (D) All the given
 
91. The herbaceohs plant has 100 gram whight then what would be the average bio-mass of the same ?
(A) 100 gram (B) 20-25 gram (C) 10-15 gram (D) 85-90 gram
 
92. In the given pyramid of energy which of the following can be placed in first trophic level ?
NEET Biology Ecosystem MCQs Set A-Q-91
 
(A) Decomposer (B) plants (C) a & b Both (D) None
 
93. X is structaral unit of economy and y is structra unit of x then ... what is the x and the y ?
 
NEET Biology Ecosystem MCQs Set A-Q-95
 
96. In material cycle which of the following is last acceptor of material ?
(A) Producer (C) Decomposer
(B) Consumer (D) Is not possing
 
97. Which one is the maximum suitable to from top of the energy pyraimd ?
(A) Therdary consumer (B) Secondary consumer
(C) Producers (D) None of this
 
98. Which of the following option is correct for the column I and II ?
 
NEET Biology Ecosystem MCQs Set A-Q-Column
 
99. Which component are basic in maintaing body processes?
(A) Carbohydrate (B) Water
(C) Energy (D) All of this
 
100. What is mycorhizer ?
(A) Root + Fungi = Symbioti (B) Root+ bacteria = Symbiotic
(C) fungi +Root = Parasitism (D) Fungi +leaf = Parasitism
 
101. It is key- compound for all living organism ?
(A) Sulphar (B) Phosphures
(C) Nitrogen (D) Calcium
 
102. What is obtained by the activity of decomposer for the prodneers ?
(A) Nutrient (C) Food
(B) Carbohydrate (D) Energy
 
103. It 1 lac living organisms are included in third throphie lavel than what would be the number of producers ?
(A) 10 lac (B)10 thousand
(C) 1 thousand (D) 1crore (millian)
 
104. In an ecosystem, when organisms can be included in more than one trophic lager ?
(A) Phytoplankton (B) Fish
(C) Zooplanktm (D) Frog
 
105. When organism of aquatic ecosystem is at equvalent trophee level in when cow is included ?
(A) Zooplankton (B) Phytoplakton
(C) Nekton (D) Benthos
 
106. Which of the follows is an in complent Ecosystem ? 
(A) Grass land (B) Cave (C) River (D) Wet land
 
107. What is correct for human ?
(A) Herbivore (B) Carnivore (C) Autotrophs (D) Omnivores
 
108. Which type of food chain is represented by following example ?
 
NEET Biology Ecosystem MCQs Set A-Q-108
(A) Grazzing food chain (B) Detritivorous food chain
(C) Decomposer food chain (D) Predators food chain.
 
109. Which type of organisms , fungi & Bacteria of forest ecosystem generally called ?
(A) Prodlucers (B) Decomposers
(C) Primary consumer (D) Secondary consumers
 
110. What is correct for the artificial ecosystem ?
(A) Biodiversity is less
(B) Biodiversity is High
(C) Ecosystem is can not be form by human
(D) It is more stable than Netural ecosystem
 
ANSWERS
 
NEET Biology Ecosystem MCQs Set A-Q-109
NEET Biology Ecosystem MCQs Set A-Q-111
 
Biotechnology Principles and Processes
NEET Biology Biotechnology Principles and Processes MCQs
Neural Control and Coordination in Animals
NEET UG Biology Neural Control and Coordination in Animals MCQs

MCQs for Ecosystem Biology Full Syllabus

Expert teachers of studiestoday have referred to NCERT book for Full Syllabus Biology to develop the Biology Full Syllabus MCQs. If you download MCQs with answers for the above chapter you will get higher and better marks in Full Syllabus test and exams in the current year as you will be able to have stronger understanding of all concepts. Daily Multiple Choice Questions practice of Biology will help students to have stronger understanding of all concepts and also make them expert on all critical topics. After solving the questions given in the MCQs which have been developed as per latest books also refer to the NCERT solutions for Full Syllabus Biology. We have also provided lot of MCQ questions for Full Syllabus Biology so that you can solve questions relating to all topics given in each chapter. After solving these you should also refer to Full Syllabus Biology MCQ Test for the same chapter.

Where can I download latest NEET MCQs for Full Syllabus Biology Ecosystem

You can download the NEET MCQs for Full Syllabus Biology Ecosystem for latest session from StudiesToday.com

Are the Full Syllabus Biology Ecosystem MCQs available for the latest session

Yes, the MCQs issued by NEET for Full Syllabus Biology Ecosystem have been made available here for latest academic session

Where can I find NEET Full Syllabus Biology Ecosystem MCQs online?

You can find NEET Full Syllabus Biology Ecosystem MCQs on educational websites like studiestoday.com, online tutoring platforms, and in sample question papers provided on this website.

How can I prepare for Ecosystem Full Syllabus MCQs?

To prepare for Ecosystem MCQs, refer to the concepts links provided by our teachers and download sample papers for free.

Are there any online resources for NEET Full Syllabus Biology Ecosystem?

Yes, there are many online resources that we have provided on studiestoday.com available such as practice worksheets, question papers, and online tests for learning MCQs for Full Syllabus Biology Ecosystem