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
| 51. |
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 |
| Answer» C. Foot hills of mountain | |
| 52. |
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 |
| Answer» C. Certain Specific bacteria | |
| 53. |
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. |
| Answer» B. Tropical Rain forest | |
| 54. |
Which of the following is not a functional unit of ecosystem ? |
| A. | Stratification |
| B. | Flow of energy |
| C. | Decompos |
| D. | productivity. |
| Answer» A. Stratification | |
| 55. |
Which of the following associations do not establish functional interspeciific association ? |
| A. | Mutualism |
| B. | Exosparasite |
| C. | Endoparasite |
| D. | Commensalism |
| Answer» D. Commensalism | |
| 56. |
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. |
| Answer» C. In all CO2 acceptor plants, organic compounds are produce throudh photosynthesis. | |
| 57. |
It is the type of photosynthesis occurs in most of the plants ? |
| A. | C4 - Cycle |
| B. | C3 - Cycle |
| C. | CAM - Cycle |
| D. | C2 -Cycle |
| Answer» B. C3 - Cycle | |
| 58. |
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 |
| Answer» B. Ist trophic layer | |
| 59. |
In an ecosystem, Which of the following is unidirectional ? |
| A. | Sulphar |
| B. | Organic nutrient |
| C. | carbon |
| D. | Free energy |
| Answer» D. Free energy | |
| 60. |
Who is first to receive Phosphate released through leaching in phosphate cycle ? |
| A. | Decomposer |
| B. | producer |
| C. | Consumer |
| D. | None of the given |
| Answer» B. producer | |
| 61. |
Which of the following is not a pair of Gaseous cycle ? |
| A. | P&N |
| B. | N & S |
| C. | N & S |
| D. | C & P |
| Answer» C. N & S | |
| 62. |
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. |
| Answer» A. Number of individuals at every trophic layer. | |
| 63. |
Which of the following has maximun importance (value) in grass- land. |
| A. | Secondary Production |
| B. | Net Production |
| C. | Tetiacry Prroduction |
| D. | Total Production. |
| Answer» D. Total Production. | |
| 64. |
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 / / .2kg mter year |
| D. | >100 |
| Answer» B. >50 | |
| 65. |
In which stage of the Decomposition, larger surface area for future decomposition is availabel? |
| A. | st 1 |
| B. | 2nd |
| C. | 3rd |
| D. | All of the above |
| Answer» A. st 1 | |
| 66. |
In the given chart from carnivores to producer energy level gradually. |
| A. | Decreases |
| B. | Increases |
| C. | Decreases & increases both are possible |
| D. | None |
| Answer» B. Increases | |
| 67. |
which of the given option is shows more stable ecosystem ? Producer primary Secondary Tertiary Total consumer consumer consumer |
| A. | 100 200 150 80 530 |
| B. | 900 500 225 40 1665 |
| C. | 200 100 125 75 500 |
| D. | All of the given. |
| Answer» B. 900 500 225 40 1665 | |
| 68. |
which of the following is one of the causes of cancer ? |
| A. | Obesity |
| B. | Artheros cerosis |
| C. | Inadcquale of O2 supply |
| D. | Hypertension |
| Answer» C. Inadcquale of O2 supply | |
| 69. |
which option is more suitable for x and y ?
|
| A. | Both are correct |
| B. | Both are wrong |
| C. | If x is correct then only y is correct . |
| D. | X : correct Y : wrong |
| Answer» C. If x is correct then only y is correct . | |
| 70. |
Which of the following stage is possible by the activity of Hetorotrophs ? |
| A. | Utility |
| B. | Re-accommodation |
| C. | Decmposition |
| D. | All the given |
| Answer» D. All the given | |
| 71. |
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 |
| Answer» C. 10-15 gram | |
| 72. |
In the given pyramid of energy which of the following can be placed in first trophic level ? |
| A. | Decomposer |
| B. | plants |
| C. | a & b Both |
| D. | None |
| Answer» C. a & b Both | |
| 73. |
X is structaral unit of economy and y is structra unit of x then ... what is the x and the y ? X Y |
| A. | Biotic community - Biomass, Abiotic factor |
| B. | Ecosystem - Biomass,Biotic factor |
| C. | Biomass - Ecosystem |
| D. | Food web - Ecosystem |
| Answer» B. Ecosystem - Biomass,Biotic factor | |
| 74. |
X is maintained by man, but it is harmful to y ,the x and y are (?) X Y |
| A. | Natural eco-system - Man made ecosystem |
| B. | Man made ecosystem - Natural eco-system |
| C. | Any one from a & b |
| D. | Noun of these |
| Answer» B. Man made ecosystem - Natural eco-system | |
| 75. |
X is included in environmental factors; y is included in ediphic ( soil related) then the x & y is.... X Y |
| A. | Air Water |
| B. | Water Air |
| C. | Soil Light |
| D. | Wind Air |
| Answer» D. Wind Air | |
| 76. |
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 |
| Answer» A. Therdary consumer | |
| 77. |
Which component are basic in maintaing body processes? |
| A. | Carbohydrate |
| B. | Water |
| C. | Energy |
| D. | All of this |
| Answer» D. All of this | |
| 78. |
What is mycorhizer ? |
| A. | Root + Fungi = Symbioti |
| B. | Root+ bacteria = Symbiotic |
| C. | fungi +Root = Parasitism |
| D. | Fungi +leaf = Parasitism |
| Answer» A. Root + Fungi = Symbioti | |
| 79. |
It is key- compound for all living organism ? |
| A. | Sulphar |
| B. | Phosphures |
| C. | Nitrogen |
| D. | Calcium |
| Answer» B. Phosphures | |
| 80. |
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) |
| Answer» D. 1crore (millian) | |
| 81. |
In an ecosystem, when organisms can be included in more than one trophic lager ? |
| A. | Phytoplankton |
| B. | Fish |
| C. | Zooplanktm |
| D. | Frog |
| Answer» B. Fish | |
| 82. |
When organism of aquatic ecosystem is at equvalent trophee level in when cow is included ? (DUMET...2009) |
| A. | Zooplankton |
| B. | Phytoplakton |
| C. | Nekton |
| D. | Benthos |
| Answer» A. Zooplankton | |
| 83. |
Which of the follows is an in complent Ecosystem ? (WBJEE 2008) |
| A. | Grass land |
| B. | Cave |
| C. | River |
| D. | Wet land |
| Answer» B. Cave | |
| 84. |
What is correct for human ? |
| A. | Herbivore |
| B. | Carnivore |
| C. | Autotrophs |
| D. | Omnivores |
| Answer» D. Omnivores | |
| 85. |
which type of food chain is represented by following example ? Dead animals insect seavenger Frog Snake |
| A. | Grazzing food chain |
| B. | Detritivorous food chain |
| C. | Decomposer food chain |
| D. | Predators food chain. |
| Answer» B. Detritivorous food chain | |
| 86. |
which type of organisms , fungi & Bacteria of forest ecosystem generally called ? |
| A. | Prodlucer |
| B. | Decomposers |
| C. | Primary consumer |
| D. | Secondary consumers |
| Answer» B. Decomposers | |
| 87. |
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 |
| Answer» A. Biodiversity is less | |
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