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Biodiversity Pedagogy CTET MCQ
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Biodiversity Pedagogy CTET MCQ for Students
Quick Quiz
Which of the following is incorrect about food chain?
- carnivores is present at top of food chain
- herbivores present at the bottom of food chain
- plants and few other micro-organisms are the only producer on the earth
- human also has place in food chain
Option 2 – herbivores present at the bottom of food chain
In class V Environmental studies Textbook one lesson. ‘Blow Hot Blow Cold’ is a story written by Dr. Zakir Hussain. He has written many such stories for children. At the time of his death, he was the
- chief justice of India
- Vice-president of India
- president of India
- prime minister of India
Option 3 – president of India
” People who have been living in the forest at least 25 years have a right to the forest land and what is grown on it.” This is mandated by
- The constitution (Scheduled castes) Orders (Amendment) Bill, 2012
- The Indian Forest Act, 1927
- The Right to Forest Act, 2007
- The Land Acquisition Act, 1894
Option 3 – The Right to Forest Act, 2007
Read the given description of farming and identify its type ” After cutting one crop, the land is left as it is for some years. Nothing is grown there. The bamboos or weeds which grow on that land are not pulled out. They are cut and burnt. The ash makes the land fertile. When the land is ready for farming it is lightly dug up, not plowed. Seeds are dropped on it.”
- cooperative farming
- Jhoom farming
- steep farming
- Irrigation farming
Option 2 – Jhoom farming
What do you mean by extinct?
- living organisms which facing danger of getting lost
- living organisms which are no more found on the earth
- living organisms only found at very limited place
- all of the above
Option 2 – living organisms which are no more found on the earth
Which one of the following pairs is correct?
- biodiversity act, 1992
- wildlife act, 1972
- conservation of forest act, 2005
- all of the above
Option 2 – wildlife act, 1972
Riya is telling students ” It is a global body and it looks after the conservation of nature and gathers information regarding plants and animals “. Riya is talking about which organization?
- world wildlife
- red data book
- IUCN
- UNFCC
Option 3 – IUCN
How many trophic levels are usually present in a food chain?
(a) One
(b) Four
(c) Numerous
(d) Five
Option d – Five
In a terrestrial ecosystem, green plants capture 1% of the energy of sunlight that falls on their leaves and converts it into
(b) muscular energy
(c) electrical energy
(d) potential energy
How much energy is transferred from one level of consumers to the next?
(a) All of it
(b) Only organic matter is transferred
(c) 10% of the energy received by it
(d) 50% of the energy received by it
Option c – 10% of the energy received by it
All green plants and certain blue-green algae make their food by making organic compounds like sugar and starch from inorganic substances using the radiant energy of the Sun in presence of chlorophyll. The process is
(a) respiration
(b) photosynthesis
(c) oxidation
(d) sustenance
Option b – photosynthesis
The interdependence of organisms on other organisms for their sustenance is described by
(a) ecosystem
(b) biosphere
(c) food chains
(d) heterotrophs
Option c – food chains
Each step or level of the food chain forms an
(a) trophic level
(b) food web
(c) layer
(d) crust
Option a – trophic level
Interactions among various components of the environment involve …………. from one component of the system to another.
(a) the flow of hereditary information
(b) the flow of food particles
(c) flow of energy
(d) flow of oxygen
Option c – flow of energy
Which of the statement is incorrect?
(a) All green plants and blue-green algae are producers.
(b) Green plants get their food from organic compounds.
(c) Producers prepare their own food from inorganic compounds.
(d) Plants convert solar energy into chemical energy.
Option b – Green plants get their food from organic compounds
All the interacting organisms in an area together with the non-living constituents of the environment form
(a) community
(b) ecosystem
(c) atmosphere
(d) soil
Option b – ecosystem
An ecosystem consists of a biotic component comprising living organisms
(a) an abiotic component
(b) comprising physical factors
(c) Both (a) and (b)
(d) None of these
Option c – Both (a) and (b)
Which is the abiotic component of the ecosystem?
(a) Humus
(b) Bacteria
(c) Plants
(d) Fungi
Option a – Humus
Who coined the term ecosystem?
(a) Tansley
(b) Odum
(c) Warming
(d) Darwin
Option a – Tansley
Growth, reproduction, and other activities of living organisms are affected by
(a) abiotic components only
(b) biotic components only
(c) both biotic and abiotic components
(d) some other factors
Option c – both biotic and abiotic components
Types of ecosystems are
(a) mountains and aquariums
(b) natural ecosystems like forests, ponds, and lakes
(c) artificial ecosystems like gardens and crop fields
(d) Both (b) and (c)
Option d – Both (b) and (c)
All consumers whether herbivores, carnivores, or parasites depend on ………. directly or indirectly for their sustenance by feeding on other consumers
(a) producers or plants
(b) air
(c) water
(d) light
Option a – producers or plants
The microorganisms that break down the complex organic substances of dead remains and waste products of organisms into simpler inorganic substances are called
(a) vultures
(b) decomposers
(c) omnivores
(d) None of these
Option b – decomposers
Accumulation of non-biodegradable pesticides in the food chain in an increasing amount at each higher trophic level is known as
(a) eutrophication
(b) pollution
(c) biomagnification
(d) accumulation
Option c – biomagnification
The decomposers in an ecosystem
(a) convert inorganic material to simpler forms.
(b) convert organic material to inorganic forms.
(c) convert inorganic materials into organic compounds.
(d) do not break down organic compounds.
Carnivores represent
(a) primary consumers
(b) secondary and tertiary consumers
(c) reducers
(d) zooplankton
Option b – secondary and tertiary consumers
Non-biodegradable waste is
(a) garbage
(b) metallic articles
(c) sewage
(d) waste paper
Option b – metallic articles
In every food chain, green plants are
(a) decomposers
(b) producers
(c) consumers
(d) None of the above
Option b – producers
Which of the following is a non-biodegradable substance?
(a) Polythene
(b) Cotton cloth
(c) Leaves
(d) Vegetable peels
Option a – Polythene
Biodegradable substances are those substances that
(a) can be broken down by the action of bacteria or other saprophytes.
(b) cannot be acted upon by physical processes like heat and pressure.
(c) persist in the environment for a long time.
(d) may harm the various members of the ecosystem.
Option a – can be broken down by the action of bacteria or other saprophytes
Read the following sentences regarding the species analysis. Which among them is CORRECT? i. More than 70% of all species recorded are animals, while plants comprise 22% of the total species. ii. The convential taxonomic methods are the most reliable methods for the identification of microbial species. iii. The Tropical Amazonian rainforest in South America has the least biodiversity on the earth. iv. The diversity in India is 8.1% of the global species diversity.
(A) i and ii are correct
(B) ii and iii are correct.
(C) iii and iv are correct.
(D) i and iv are correct.
Option d – i and iv are correct.
The introduction of Clarius gariepinus for aquaculture poses threat to indigenous catfishes in rivers. This is an example of
(A) alien species invasion
(B) habitat fragmentation
(C) co-extinction
(D) overexploitation
Option a – alien species invasion
The ‘Evil Quartet’ is used to describe
(A) the species richness in a region
(B) the four causes of biodiversity losses
(C) the impacts of anthropogenic activities
(D) conservation status of the plant and animal species
Option b – the four causes of biodiversity losses
Which of the following is an invasive fish introduced in Lake Victoria of east Africa led to the extinction of Cichlid fish?
(A) Rohu
(B) Nile perch
(C) Catla
(D) Clarias gariepinus
Option b – Nile perch
Pick out the INCORRECT statement. Species diversity is uniformly distributed.
(A) Species diversity is uniformly distributed
(B) Species diversity is the highest in the tropics and decreases towards the poles.
(C) Species area relationship is generally a rectangular hyperbolic function.
(D) The relationship between species richness and area for a wide variety of taxa can be given in the equation log S = log C+Z log A.
Option a – Species diversity is uniformly distributed
Biodiversity-rich regions that are legally protected include
(A) biosphere reserves
(B) national parks
(C) sanctuaries
(D) all of these
Option d – all of these
Which of the following is CORRECT with respect to a number of biodiversity-rich regions in India?
(A) National parks > Biosphere reserves > Wildlife sanctuaries
(B) Wildlife sanctuaries > National parks > Biosphere reserves
(C) National parks > Wildlife sanctuaries > Biosphere reserves
(D) Biosphere reserves > National parks > Wildlife sanctuaries
Option b – Wildlife sanctuaries > National parks > Biosphere reserves
The forests are known as the ‘Lungs of the planet Earth’
(A) Tundra forest
(B) Amazon rainforest
(C) Taiga forest
(D) Temperate grassland
Option b – Amazon rainforest
Identify the INCORRECT statement.
(A) Biodiversity is the term popularized by sociobiologist Edward Wilson.
(B) Genetic diversity refers to the diversity at the genetic level, shown by a single species over its distributional range.
(C) Eastern Ghats have greater amphibian diversity than Western Ghats.
(D) Our biosphere exhibits heterogeneity.
Option c – Eastern Ghats have greater amphibian diversity than Western Ghats.
According to Robert May’s estimates, global species diversity is about
(A) 5 lakhs
(B) 7 million
(C) 20-25 million
(C) 50-60 million
Option b – 7 million
Which of the following statement is INCORRECT?
(A) More than 15,500 species worldwide are facing the threat of extinction.
(B) India has more than 50,000 genetically different strains of rice and 1,000 varieties of mangoes.
(C) According to the IUCN (2004), the estimated total number of plant and animal species is more than 1.5 million.
(D) Temperate or polar areas harbour more species than the tropics.
Option d – Temperate or polar areas harbour more species than the tropics.
Identify the INCORRECT statement.
(A) Rivet Popper Hypothesis’ was given by Alexander Von Humboldt.
(B) The loss of key species affects the entire ecosystem.
(C) In-situ conservation is the on-site conservation of biodiversity.
(D) Vulnerable species are those whose population is abundant but may become endangered due to the destruction of their habitats.
Option a – Rivet Popper Hypothesis’ was given by Alexander Von Humboldt.
Dachigam National park is famous for
(A) Kashmir red stag (Hungul)
(B) Great Indian bustard
(C) One-horned rhinoceros
(D) Tiger
Option a – Kashmir red stag (Hungul)
‘Rivet Popper Hypothesis’ explains which of the following concept?
(A) Biodiversity richness is not only essential for ecosystem health but imperative for the survival of the human race.
(B) The loss of a few species will initially create no problem, but beyond a certain point, losses will affect the functioning of an ecosystem.
(C) Increased diversity contributes to high productivity.
(D) The areas with more species showed variation in productivity from year to year.
Option b – The loss of a few species will initially create no problem, but beyond a certain point, losses will affect the functioning of an ecosystem.
The Coevolved Plant-pollinator mutualism example explains
(A) prey-predator relationship
(B) co-extinction
(C) parasitism
(D) alien species invasion
Option b – co-extinction
Timber harvesting and cultivation of land are permitted in
(A) National park
(B) Core area of the Biosphere reserve
(C) Wildlife sanctuaries
(D) All of these
Option c – Wildlife sanctuaries
Tilman showed with his experiments that
(A) extinction across taxa is random.
(B) increased diversity contributes to higher productivity.
(C) loss of biodiversity affects the functioning of ecosystems.
(D) presence of invasive species endangers the existence of native species.
Option b – increased diversity contributes to higher productivity.
In the equation, log S = log C+ Z log A, the value ‘Z’ while analyzing the species-area relationship among very large areas like the entire continent, ranges from
(A) 0.1 to 0.2
(B) 0.6 to 1.2
(C) 1.5 to 2
(D) 2.5 to 3.5
Option b – 0.6 to 1.2
Identify the group which correctly includes invasive weed species.
(A) Quagga, Parthenium, Water hyacinth
(B) Carrot grass, Lantana, Eicchornia
(C) Thylacine, Carrot grass, Lantana
(D) Quagga, Parthenium, Carrot grass
Option b – Carrot grass, Lantana, Eicchornia
Which of the following National Parks does not undertake a tiger conservation program?
(A) Gir National Park
(B) Kanha National Park
(C) Sundarbans National Park
(D) Corbett National Park
Option a – Gir National Park
Steller’s sea cow is an extinct species that was native to
(A) Mauritius
(B) South Africa
(C) Russia
(D) Java
Option c – Russia
Species area relationship was described by ( MCQ on Biodiversity and Conservation )
(A) J. Grinnell
(B) Paul Ehrlich
(C) Alexander Von Humboldt
(D) Robert May
Option c – Alexander Von Humboldt
According to IUCN Red List, Red Panda is listed as
(A) endangered
(B) indeterminate
(C) extinct
(D) vulnerable
Option a – endangered
The ex-situ conservation method(s) of biodiversity is/are
(A) Botanical gardens
(B) Zoological parks
(C) Cryopreservation
(D) All of these
Option d – All of these
Great Indian Bustard is protected in
(A) Bandipur National Park
(B) Gir National Park
(C) Nandadevi National Park
(D) Desert National Park
Option d – Desert National Park
Read the following statements and select the correct option. Statement I: Insects are the most species-rich taxonomic group among invertebrates. Statement II: The group fungi have more species than the combined total of the species of fishes, reptiles, amphibians, and mammals.
(A) Both Statements I and II are correct.
(B) Only Statement I is correct.
(C) Only Statement II is correct.
(D) Both Statements I and II are incorrect.
Option a – Both Statements I and II are correct.
Which of the following statement/s is/are NOT true with respect to a stable community?
(A) It must be either resistant or resilient to natural or man-made disturbances.
(B) It must be resistant to invasion by alien species.
(C) It should show great variation in productivity from year to year.
(D) Both (A) and (C)
Option c – It should show great variation in productivity from year to year.
The main reason behind the extinction of Steller’s cow, passenger pigeon is
(A) Habitat loss
(B) Over-exploitation
(C) Alien species invasions
(D) Co-extinctions
Option b – Over-exploitation
‘The Earth Summit was held at …….. in 1992.
(A) Chennai
(B) Kolkata
(C) Johannesburg
(D) Rio de Janeiro
Option d – Rio de Janeiro
In which of the following, the conservation of endangered species is done outside their natural habitats?
(A) Zoological Parks
(B) National Parks
(C) Wildlife Sanctuaries
(D) Biosphere Reserves
Option a – Zoological Parks
In the cryopreservation technique
(A) gametes of threatened species can be preserved in viable and fertile conditions.
(B) only the seeds of various plants can be kept for long periods.
(C) tracts of forests are set aside and given protection.
(D) plants are propagated using soil-less cultures.
Option a – gametes of threatened species can be preserved in viable and fertile conditions.
Which of the following group exhibits more species diversity?
(A) Mosses
(B) Angiosperms
(C) Algae
(D) Lichens
Option b – Angiosperms
Aravalli Hills of Rajasthan, Western Ghat regions of Karnataka, Khasi and Jaintia hills are the forest patches that are protected as
(A) sacred groves
(B) wildlife sanctuaries
(C) biosphere reserves
(D) national parks
Option a – sacred groves
Water Hyacinth and Carrot grass are known as ……….. respectively.
(A) Eichhornia and Parthenium
(B) Rauwolfia and Parthenium
(C) Lantana and Eicchornia
(D) Rauwolfia and Lantana
Option a – Eichhornia and Parthenium
Select the INCORRECT match.
(A) Kanha National Park – Kashmir red stag
(B) Kaziranga National Park One-horned rhinoceros
(C) Periyar National Park – Elephant
(D) Corbett National Park – Tiger
Option a – Kanha National Park – Kashmir red stag
Identify the CORRECT statement regarding biodiversity hotspots.
(A) These are the areas with a high degree of endemism.
(B) These areas have low species diversity.
(C) It is an off-site method of conservation of biodiversity.
(D) The species found in these patches of forests are found commonly in other areas too.
Option a – These are the areas with a high degree of endemism
The Red List is
(A) a list of threatened plant and animal species
(B) maintained by UNESCO
(C) list of exotic plant and animal species
(D) maintained by WHO
Option a – a list of threatened plant and animal species
Loss of biodiversity in a region may cause i. The decline in plant production ii. Lowered resistance to environmental perturbations iii. Increased variability in certain ecosystems iv. Extinction of species
(A) i and iv
(B) ii and iii
(C) i and iii
(D) i, ii, iii and iv
Option d – i, ii, iii and iv
India has more than 1000 varieties of mango. This is due to
(A) In-situ conservation
(B) Genetic diversity
(C) Biodiversity conservation
(D) Hybridization
Option b – Genetic diversity
The narrowly utilitarian arguments for biodiversity conservation include which of the following? i. Medicinal products from nature ii. Ecosystem services like photosynthesis iii. Pollinators like bees, birds, and bats iv. Food and firewood v. Industrial products like resins, gums, and tannins vi. Moral duty to safeguard the millions of microbes, plants and animals
(A) ii, iii, iv and vi
(B) i, iv, v and vi
(C) ii, iii, iv, v and vi
(D) i, iv, and v
Option d – i, iv, and v
Which of the following is NOT an in-situ method of conservation of biodiversity?
(A) Culture collection
(B) Biosphere reserves
(C) Wildlife sanctuaries
(D) National parks
Option a – Culture collection
The species diversity decreases as we move away from
(A) poles towards the equator
(B) equator towards the poles
(C) north pole to south pole
(D) south pole to north pole
Option b – equator towards the poles
The cause of species extinction which is NOT included in ‘Evil Quartet’ is
(A) Co-extinction
(B) Climatic change
(C) Over-exploitation
(D) Alien species invasion
Option b – Climatic change
Identify which amongst the following species does NOT affect the growth of native species.
(A) Lantana
(B) Eicchornia
(C) Parthenium
(D) Cichlid fish
Option d – Cichlid fish
The oldest and largest national park in Maharashtra is
(A) Bandipur National Park
(B) Tadoba National Park
(C) Gir National Park
(D) Sunderban National Park
Option b – Tadoba National Park
Which of the following is CORRECT regarding a ‘stable community?
(A) It does not show too much variation in productivity from year to year.
(B) It must be resilient to occasional natural or man-made disturbances.
(C) It must be resistant to invasions by alien species.
(D) All of these
Option d – All of these
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