Ecosystem Set 2

All India Pre Medical Test (AIPMT)

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This set of Biology Multiple Choice Questions & Answers (MCQs) focuses on Ecosystem Set 2

Q1 | From which of the following detritus food chain will start ?
  • Algae
  • Bacteria
  • Protozoa
  • Virus
Answer: Bacteria
Q2 | At Each trophic level, in which form energy is lost ?
  • Heat
  • Chemical
  • Light
  • None
Answer: Heat
Q3 | Which Source of eutrophication is the modern source of phosphorus ?
  • Detergent
  • Fertilizer
  • Faecal of animal
  • Rivers
Answer: Detergent
Q4 | It helps in absorbtion of phosphorous ?
  • Leave
  • Mycorriza
  • Root
  • Stem
Answer: Mycorriza
Q5 | In a day, How many times an individual inspire and expire (breathing) ?
  • 10,000
  • 20,000
  • 40,000
  • 50,000
Answer: 40,000
Q6 | What percentage of total metabolic energy is produced through fermentation of lactic acid ?
  • 80%
  • 70%
  • 100%
  • 40%
Answer: 70%
Q7 | Which of the following opteon is correct for CO2 absorption in CAM ?
  • During night
  • Only at midnight
  • During day time
  • Morning
Answer: During night
Q8 | Few statements are given below in reference with Thermodynamics, Which of the following option shows all correct statements for it ?_ans_key_(I) Amount of energy is constant._ans_key_(II) During transfer of energy some amount of energy is converted in to heat._ans_key_(III) Free energy = energy which can do work._ans_key_(IV) At each tophic level amount of stored energy reduces.
  • (I) and(II)
  • (III) and (iv)
  • (i) and (iv)
  • All of the given
Answer: All of the given
Q9 | X is released in Halophytes and Y is source of it, , Z process occurs in- estuary, then What does x,y,z indicate?
  • X- Potassium Y - rocks Z- Biological magnification
  • X - DDT Y - Water Y- Biological magnification
  • X -Phosphorus Y - Sewage water Z- Eutophication
  • None of this.
Answer: X -Phosphorus Y - Sewage water Z- Eutophication
Q10 | If energy produced by producer is 1000 units, than What amount of energy will be found in highest level of consumer ?
  • 100
  • 10
  • 1
  • 1000
Answer: 1
Q11 | What does given chart indicate ?
  • Structure of ecosystem.
  • Type of ecosystem
  • First and second law of Thermodynamics
  • #NAME?
Answer: First and second law of Thermodynamics
Q12 | What is incorrect for oxygen ?
  • Most of the metabolic energy is produced by it.
  • Plants are included in the organisms producing it.
  • It is essential for all the organisms.
  • Its proportion in water is 90%.
Answer: It is essential for all the organisms.
Q13 | X is source of y. but y never return to x, Than which option is wrong for x and y.
  • X = plant, Y= organic compound
  • X= sun, Y=Energy
  • a & b Both are correct.
  • A and B are Wrong.
Answer: A and B are Wrong.
Q14 | What does pyramid of Bimass of an ecosystem indicate in....
  • Number of species in each trophic level
  • Number of organisms in each trophic level
  • Organisation of tissue of each tophic level
  • All of the given.
Answer: Organisation of tissue of each tophic level
Q15 | Which option is correct for the given information ?_ans_key_(1) Ecosystem is an outcome of an interaction between all living components and non- living components of Environment._ans_key_(2) GPP= NPP- loss due to respiration_ans_key_(3) Primary productivity is measured in dry biomass.
  • TFT
  • FFT
  • FTF
  • TTF.
Answer: TTF.
Q16 | In one forest maximum 500 lions can be allowed with than what does 500 indicate ?
  • Maximum birth rate
  • Population of lion
  • Carrying Capacity of Population
  • Realed birth rate
Answer: Carrying Capacity of Population
Q17 | At which vital index population is stable ?
  • 1
  • 0
  • Infinitive
  • 100
Answer: 100
Q18 | If earth is considered a unit region then it can be compared to....
  • Eco-System
  • Population
  • Biotic Community
  • Species
Answer: Eco-System
Q19 | Who accepts the nutrient released in environment by docomposer ?
  • Consumer
  • Producers
  • Secondary Consumers
  • None of the given
Answer: Producers
Q20 | If herbivores are "5" in number in the given food chain then, what will be the total number of trophic layers in the it ?
  • 7
  • 8
  • 5
  • can not be predicted
Answer: can not be predicted
Q21 | which organism provided useable phosphate from dead organisms?
  • Fungi, Bacteria
  • Fungi , Algae
  • Bacteria, Algae
  • Bacteria, Fungi
Answer: Bacteria, Fungi
Q22 | How many times do we breathe per day ?
  • 20,000
  • 40,000
  • 20,000
  • None of theme
Answer: 20,000
Answer: 20,000
Q23 | It is first stem of the decomposition of organic compound.
  • Fragmentation - In body of Scavengers
  • Catabolism - In body of decomposer
  • Leaching - In soil
  • Catabolism - In soil
Answer: Fragmentation - In body of Scavengers
Q24 | Autotrophs use [X] and Produces [Y], which is store as [Z], which of the given option is correct for X, Y, and Z ? X Y Z
  • Sunlight Nutrient Chemical
  • Energy Chemical energy Sunlight
  • Grass (Herb) Energy Starch
  • Sunlight Glycogen ATP
Answer: Sunlight Nutrient Chemical
Q25 | What is an Original Source of energy flow in any food chian ?
  • Sun
  • Produces
  • Primary
  • None
Answer: Produces
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