Biodiversity MCQ Questions. We covered all the Biodiversity MCQ Questions in this post for free so that you can practice well for the exam.
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MCQ on Biodiversity for Students
The total energy in the trophic levels of a food chain as it goes up
(a) Increases
(b) Is restored
(c) Goes wasted
(d) None of the above
Option d – None of the above
Energy is maximum in …………….. trophic level and minimum in the …………… trophic level
(a) Producer, the consumer
(b) Consumer, decomposer
(c) Top, Bottom
(d) Bottom, Top
Option d – Bottom, Top
The maximum number of organisms are present in …….. and the minimum number of organisms are present in ………
(a) Producer, consumer
(b) Secondary consumer, tertiary consumer
(c) Bottom, top trophic level
(d) Top, and bottom trophic levels
Option c – Bottom, top trophic level
The pyramid of biomass is
(a) Upright in terrestrial animals
(b) There is a 10% decrease in each level from the previous level.
(c) There is a decrease in biomass from a lower to a higher level
(d) All of the above
Option d – All of the above
Maintenance of the ecosystem does not depend upon
(a) Material cycles
(b) Food chains and webs
(c) Energy flow
(d) Changes in the atmosphere
Option d – Changes in the atmosphere
The tertiary consumer by hunting are all over in food chains, what will be the effect on the food chains?
(a) Energy flow will be blocked with the food chain
(b) Number of secondary consumers will be more
(c) Both (a) & (b)
(d) None of these.
Option c – Both (a) & (b)
An example of a producer in the aquatic food web would be
(a) Duckweed
(b) Ducks
(c) Fish
(d) Insects
Option a – Duckweed
With reference to food chains in ecosystems, consider the following statements: 1. A food chain illustrates the order in which a chain of organisms feeds upon each other. 2. Food chains are found within the populations of a species. 3. A food chain illustrates the numbers of each organism that are eaten by others. Which of the statements given above is/are correct?
(a) 1 only
(b) 1 and 2 only
(c) 1, 2 and 3
(d) None
Option a – 1 only
What if the balance between biotic components with abiotic components is shaken badly then
(a) Life will be in danger
(b) The only imbalance will be there for a time
(c) There are easy solutions to tackle the solution
(d) None of these
Option a – Life will be in danger
What is the difference between the antelope’s Oryx and Chiru?
(a) Oryx is adapted to live in hot and arid areas whereas Chiru is adapted to live in steppes and semi-desert areas of cold high mountains
(b) Oryx is poached for its antlers whereas Chiru is poached for its musk
(c) Oryx exists in western India only whereas Chiru exists in north-east India only
(d) None of the statements (a), (b) and (c) given above is correct
Option a – Oryx is adapted to live in hot and arid areas whereas Chiru is adapted to live in steppes and semi-desert areas of cold high mountains
In which one among the following categories of protected areas in India are local people not allowed to collect and use biomass?
(a) Biosphere Reserves
(b) National Parks
(c) Wetlands declared under Ramsar Convention
(d) Wildlife Sanctuaries
Option b – National Parks
If the high-altitude birds become rare or extinct, the plants which may disappear along with them are
(a) Pine
(b) Oak
(c) Orchids
(d) Rhododendrons
Option d – Rhododendrons
In an ecosystem, 10% of energy is transferred from the trophic level to the next in the form of one
(c) Chemical energy
(d) Mechanical energy
Option c – Chemical energy
The figure given shows the transfer of energy in an ecosystem. Producers → Herbivores → Lower carnivores → Higher carnivores In the given food chain, 10,000 J of energy is available with producers. Calculate and find the amount of energy received from producers to top carnivores.
(a) 1,000 J of energy
(b) 100 J of energy
(c) 10 J of energy
(d) 1 J of energy
Option c – 10 J of energy
The percentage of solar radiation absorbed by all the green plants for the process of photosynthesis is about
(a) 1%
(b) 5%
(c) 8%
(d) 10%
Option a – 1%
If a grasshopper is eaten by a frog, then the energy transfer will be from
(a) Producer to decomposer
(b) Producer to primary consumer
(c) Primary consumer to secondary consumer
(d) Secondary consumer to primary consumer
Option c – Primary consumer to secondary consumer
Who coined the term ecosystem?
(a) Tansley
(b) Odum
(c) Warming
(d) Darwin.
Option a – Tansley
Organisms of a higher trophic level that feed on several types of organisms belonging to a lower trophic level constitute the
(a) Food web
(b) Ecological pyramid.
(c) Ecosystem
(d) Food chain
Option a – Food web
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