McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: All India Pre Medical Test (AIPMT) .
Chapters
| 1. |
What does following diagram indicate ? |
| A. | Declining Population |
| B. | Constant declining Population |
| C. | Increasing Population |
| D. | Stable Population |
| Answer» C. Increasing Population | |
| 2. |
Which option is not correct for the given diagram ? |
| 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 |
| Answer» B. It indicate stable population | |
| 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 |
| Answer» C. secondary consumer | |
| 4. |
What is correct for the given diagram? |
| 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. |
| Answer» A. Pre- re productire group people are more in number | |
| 5. |
Orchid living on the tree is an example of ..............? |
| A. | Parasitic |
| B. | Predetor |
| C. | Commensalism |
| D. | Mutualism |
| Answer» C. Commensalism | |
| 6. |
Population of which of the following will be highest in the foodchain? |
| A. | Decomposer |
| B. | Primary Producer |
| C. | Photosynthetic organism |
| D. | Secondary consumers |
| Answer» C. Photosynthetic organism | |
| 7. |
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 |
| Answer» D. Ecosystem | |
| 8. |
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. |
| D. | All of the given |
| Answer» D. All of the given | |
| 9. |
Which of the following uses maximum energy? |
| A. | Primary comsumer |
| B. | Secondary consumer |
| C. | Decomposer |
| D. | Primary Producers |
| Answer» D. Primary Producers | |
| 10. |
Through, whoch of the following, enery enters in an ecosyslem? |
| A. | Herbivore |
| B. | Producer |
| C. | Decomposer |
| D. | Primary producers |
| Answer» B. Producer | |
| 11. |
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 fo |
| Answer» A. Algae is first to synthesize food. | |
| 12. |
In which of the following wheat eating pegions included ? |
| A. | Decomposer |
| B. | Primary consumer. |
| C. | primary producers |
| D. | secondary consumer. |
| Answer» B. Primary consumer. | |
| 13. |
which of the following is placed in upper most (highest) level of ecological pyramids. |
| A. | Herbivore |
| B. | Carnivors |
| C. | Primary and Secondary Producers. |
| D. | Primary and Secondary consumer. |
| Answer» B. Carnivors | |
| 14. |
As we proceed in food chain, bio-mass..... |
| A. | Remain Same |
| B. | Decreases |
| C. | Increases |
| D. | Initially same and later keep decreasing. |
| Answer» B. Decreases | |
| 15. |
In ecosystem the source of energy is.... |
| A. | ATP |
| B. | Sun |
| C. | The Green plant |
| D. | Sugar. |
| Answer» C. The Green plant | |
| 16. |
Who is primary consumer of biotic community ? |
| A. | Herbivores/ Grazing animal |
| B. | Omnivores |
| C. | Scavengers |
| D. | Carnivores. |
| Answer» A. Herbivores/ Grazing animal | |
| 17. |
In which of the following weeds are placed ? |
| A. | Primary producer |
| B. | Secondary consumer. |
| C. | Primary consumer. |
| D. | Decomposer. |
| Answer» A. Primary producer | |
| 18. |
When does the energy flow start in an ecosystem ? |
| A. | When material cycle starts |
| B. | When sun rises |
| C. | When any living organisam gain fo |
| Answer» B. When sun rises | |
| 19. |
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 |
| Answer» B. Parental rock and environment | |
| 20. |
An individual ''x'' uses mashroom as food then in which trophic level mashroom and''x'' are included? Mashroom X Foodchain |
| A. | Secondary Primary Detritivorous food chain |
| B. | Primary Secondary Detritivorous food chain |
| C. | Primary Secondary Grazing food chain |
| D. | Secondary Primary Grazing food chain |
| Answer» B. Primary Secondary Detritivorous food chain | |
| 21. |
Which of the following is trophic level of the orchid staying on mango tree ? |
| A. | First |
| B. | Tertiary/ Third |
| C. | Second |
| D. | Fourth |
| Answer» A. First | |
| 22. |
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 |
| Answer» A. ( Plants, Animals, Microorganisms) + Abiotic environment | |
| 23. |
What is the original source of energy for the living organisms ? |
| A. | Carbohydrate |
| B. | Sun light |
| C. | ATP |
| D. | Lipid |
| Answer» B. Sun light | |
| 24. |
In which of the following curd eating people are included ? |
| A. | Producer |
| B. | First ]1[s |
| C. | Tertory 3[ ]rd |
| D. | Second 2[ ]nd |
| Answer» A. Producer | |
| 25. |
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. |
| Answer» D. Flow of nutrient will stop. | |
| 26. |
From which of the following detritus food chain will start ? |
| A. | Algae |
| B. | Bacteria |
| C. | Protozoa |
| D. | Virus |
| Answer» B. Bacteria | |
| 27. |
At Each trophic level, in which form energy is lost ? |
| A. | Heat |
| B. | Chemical |
| C. | Light |
| D. | None |
| Answer» A. Heat | |
| 28. |
Which Source of eutrophication is the modern source of phosphorus ? |
| A. | Detergent |
| B. | Fertilizer |
| C. | Faecal of animal |
| D. | Rivers |
| Answer» A. Detergent | |
| 29. |
It helps in absorbtion of phosphorous ? |
| A. | Leave |
| B. | Mycorriza |
| C. | Root |
| D. | Stem |
| Answer» B. Mycorriza | |
| 30. |
In a day, How many times an individual inspire and expire (breathing) ? |
| A. | 10,000 |
| B. | 20,000 |
| C. | 40,000 |
| D. | 50,000 |
| Answer» C. 40,000 | |
| 31. |
What percentage of total metabolic energy is produced through fermentation of lactic acid ? |
| A. | 80% |
| B. | 70% |
| C. | 100% |
| D. | 40% |
| Answer» B. 70% | |
| 32. |
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 |
| Answer» A. During night | |
| 33. |
Few statements are given below in reference with Thermodynamics, Which of the following option shows all correct statements for it ?
|
| A. | (I) and(II) |
| B. | (III) and (iv) |
| C. | (i) and (iv) |
| D. | All of the given |
| Answer» D. All of the given | |
| 34. |
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. |
| Answer» C. X -Phosphorus Y - Sewage water Z- Eutophication | |
| 35. |
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 |
| Answer» C. 1 | |
| 36. |
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. |
| Answer» C. First and second law of Thermodynamics | |
| 37. |
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%. |
| Answer» C. It is essential for all the organisms. | |
| 38. |
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. |
| Answer» D. A and B are Wrong. | |
| 39. |
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. |
| Answer» C. Organisation of tissue of each tophic level | |
| 40. |
Which option is correct for the given information ?
|
| A. | TFT |
| B. | FFT |
| C. | FTF |
| D. | TTF. |
| Answer» D. TTF. | |
| 41. |
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 |
| Answer» C. Carrying Capacity of Population | |
| 42. |
At which vital index population is stable ? |
| A. | 1 |
| B. | 0 |
| C. | Infinitive |
| D. | 100 |
| Answer» D. 100 | |
| 43. |
If earth is considered a unit region then it can be compared to.... |
| A. | Eco-System |
| B. | Population |
| C. | Biotic Community |
| D. | Species |
| Answer» A. Eco-System | |
| 44. |
Who accepts the nutrient released in environment by docomposer ? |
| A. | Consumer |
| B. | Producers |
| C. | Secondary Consumers |
| D. | None of the given |
| Answer» B. Producers | |
| 45. |
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 |
| Answer» D. can not be predicted | |
| 46. |
which organism provided useable phosphate from dead organisms? |
| A. | Fungi, Bacteria |
| B. | Fungi , Algae |
| C. | Bacteria, Algae |
| D. | Bacteria, Fungi |
| Answer» D. Bacteria, Fungi | |
| 47. |
How many times do we breathe per day ? |
| A. | 20,000 |
| B. | 40,000 |
| C. | 20,000 |
| D. | None of theme |
| Answer» A. 20,000 | |
| 48. |
It is first stem of the decomposition of organic compound. |
| A. | Fragmentation - In body of Scavengers |
| B. | Catabolism - In body of decomposer |
| C. | Leaching - In soil |
| D. | Catabolism - In soil |
| Answer» A. Fragmentation - In body of Scavengers | |
| 49. |
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 |
| A. | Sunlight Nutrient Chemical |
| B. | Energy Chemical energy Sunlight |
| C. | Grass (Herb) Energy Starch |
| D. | Sunlight Glycogen ATP |
| Answer» A. Sunlight Nutrient Chemical | |
| 50. |
What is an Original Source of energy flow in any food chian ? |
| A. | Sun |
| B. | Produces |
| C. | Primary |
| D. | None |
| Answer» B. Produces | |
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