|
Questions |
Answers |
| 1 |
‘Ecology’ is the study of the relationship between – |
Organism and environment |
| 2 |
The term Ecosystem was proposed by – |
Tansley |
| 3 |
Which four components constitute an ecosystem? |
Abiotic materials, Producers, Consumers, Decomposers |
| 4 |
The number of organisms that can be supported by the environment in a given area is known as – |
Carrying Capacity |
| 5 |
The actual location or place where an organism lives is called – |
Habitat |
| 6 |
Which ecosystem covers the largest area of the earth’s surface – |
Marine Ecosystem |
| 7 |
Which is the largest ecosystem of the world? |
Ocean |
| 8 |
Which is one of the main causes of ecological imbalance in India? |
Deforestation |
| 9 |
Which is an act that disturbs the ecological balance? |
Lumbering |
| 10 |
The highest trophic level in an ecosystem is obtained by – |
Omnivores |
| 11 |
The primary source of energy in Eco-body is – |
Solar energy |
| 12 |
Driving force of an ecosystem is – |
Solar energy |
| 13 |
10 percent law is related with – |
Transfer of energy as food from one trophic level to other |
| 14 |
In the marine environment, the main primary producers are – |
Phytoplanktons |
| 15 |
Among the biotic components of the ecosystem, the producer system is – |
Green Plants |
| 16 |
Trophic level-I includes – |
Green plants |
| 17 |
What is the correct order in the food chain of the various components of a terrestrial grass ecosystem is – |
Grass, Grasshopper, Frog, Snake |
| 18 |
The pyramid of energy in any ecosystem is – |
Always upright |
| 19 |
Biomass Pyramid is reversed in which type of ecosystem? |
Pond |
| 20 |
An inverted pyramid of biomass can be found in which ecosystem? |
Marine |
| 21 |
The amount of energy during the transfer from one trophic level to another in an eco-system – |
Decreases |
| 22 |
The example of “Lentic Habitat” in the freshwater community is – |
Ponds and swamps |
| 23 |
The transitional zone between two distinct communities is known as – |
Ecotone |
| 24 |
Which is the most stable ecosystem? |
Ocean |
| 25 |
Which is the largest ecosystem of the earth? |
Hydrosphere |
| 26 |
The cycling of elements in an ecosystem is called – |
Biogeochemical cycles |
| 27 |
The movement of nutrient elements through various components of an ecosystem is called – |
Bio-geo-chemical cycle |
| 28 |
“Ecology is permanent economy” is the slogan of which movement? |
Chipko Movement |
| 29 |
Chipko movement is related to – |
Plant conservation |
| 30 |
The concept of the ecological niche was enunciated by – |
Grinnell |
| 31 |
The measurement unit of the ecological footprint is – |
Global hectares |
| 32 |
The minimum area of the land required to completely sustain the life of the person is called his – |
Ecological footprint |
| 33 |
In the grassland, trees do not replace the grasses as a part of an ecological succession because of – |
Water limits and fire |
| 34 |
The concept of ‘Ecological Transition’ was first used by – |
Bennett |
| 35 |
The entire sequence of communities that successively change in a particular area are called – |
Sere |
