Biodiversity and Conservation MCQ. We covered all the Biodiversity and Conservation MCQ in this post for free so that you can practice well for the exam.
Install our MCQTUBE Android app from the Google Play Store and prepare for any competitive government exams for free.
These types of competitive MCQs appear in the exams like SSC, Railways, Defence, CDS, NDA, State PSC & CSE Exams, etc. We created all the competitive exam MCQs into several small posts on our website for your convenience.
You will get their respective links in the related posts section provided below.
Related Posts:
Biodiversity and Conservation MCQ for Students
Decomposers are
(a) Animalia and Monera
(b) Protista and Monera
(c) Fungi and Plantae
(d) Bacteria and Fungi
Option d – Bacteria and Fungi
In an ecosystem, their dogs, and deer, were grass, plants, rats, horses, and lions. Will it sustain? ( Biodiversity and Conservation MCQ )
(a) No, it has producers, and consumers but no decomposers
(b) Yes, it has producers and consumers
(c) No, dogs will not get their favorite food cat
(d) Yes, transfer of it has got all the levels required for energy
Option d – Yes, transfer of it has got all the levels required for energy
The energy is transferred from one level to the next higher level
(a) can be transferred back to the previous level
(b) cannot be transferred back to the previous level
(c) is consumed by it in doing body functions or lost to the environment
(d) both (b) and (c)
Option b – cannot be transferred back to the previous level
Which group of organisms are not constituents of a food chain? (i) Grass, lion, rabbit, wolf (ii) Plankton, man, fish, grasshopper (iii) Wolf, grass, snake, tiger (iv) Frog, snake, eagle, grass, grasshopper
(a) (i) and (iii)
(b) (iii) and (iv)
(c) (ii) and (iii)
(d) (i) and (iv)
Option c – (ii) and (iii)
Our food contains varying amounts of pesticide residues because of ( Biodiversity and Conservation MCQ )
(a) biological magnification
(b) the chemicals supplied during agricultural processes are retained by the fruits and seeds through soil and water
(c) chemical reactions between spices and other cooking materials
(d) Only (a) and (b)
Option d – Only (a) and (b)
This is an inverted pyramid
(a) Pyramid of numbers in a grassland
(b) Pyramid of energy in a pond system
(c) Pyramid of biomass in a grassland
(d) Pyramid of biomass in a pond ecosystem
Option d – Pyramid of biomass in a pond ecosystem
In an ecosystem, one of the following occurs as abiotic compounds ( Biodiversity and Conservation MCQ )
(a) Flow of energy
(b) Cycling of materials
(c) Consumers
(d) Both (a) and (b)
Option d – Both (a) and (b)
Which one of the following is the correct sequence of ecosystems in the order of decreasing productivity?
(a) Oceans, lakes, grasslands, mangroves
(b) Mangroves, oceans, grasslands, lakes
(c) Mangroves, grasslands, lakes, oceans
(d) Oceans, mangroves, lakes, grasslands
Option c – Mangroves, grasslands, lakes, oceans
With reference to the food chains in ecosystems, which of the following kinds of organisms is/are known as decomposer organisms? 1. Virus 2. Fungi 3. Bacteria Select the correct answer using the codes given below. ( Biodiversity and Conservation MCQ )
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
Option b – 2 and 3 only
Consider the following pairs: 1. Nokrek Bio-sphere: Garo Hills Reserve 2. Logtak (Loktak) Lake : Barail Range 3. Namdapha National: Dafla Hills Park Which of the above pairs is/are correctly matched?
(a) 1 only
(b) 2 and 3 only
(c) 1, 2, and 3
(d) None
Option a – 1 only
All are ecosystems except ( Biodiversity and Conservation MCQ )
(a) Forest
(b) Grassland
(c) Garden
(d) Sun
Option d – Sun
Pick up the artificial ecosystem from the following
(a) Forest
(b) Lakes
(c) Aquarium
(d) Ponds
Option c – Aquarium
All producers are ( Biodiversity and Conservation MCQ )
(b) Make food in the presence of sunlight with chlorophyll
(c) All autotrophs
(d) All the above
Option d – All the above
Pick up the odd one out.
(a) Goat
(b) Lion
(c) Leech
(d) Grass
Option c – Leech
The second trophic level is in ( Biodiversity and Conservation MCQ )
(a) Fungi
(b) bacteria
(c) goats
(d) Neem tree
Option c – goats
Consider the following: 1. Star tortoise 2. Monitor lizard 3. Pygmy hog 4. Spider monkey Which of the above are naturally found in India?
(a) 1, 2, and 3 only
(b) 2 and 3 only
(c) 1 and 4 only
(d) 1, 2, 3 and 4
Option a – 1, 2, and 3 only
In the grasslands, trees do not replace the grasses as a part of an ecological succession because of ( Biodiversity and Conservation MCQ )
(a) insects and fungi
(b) limited sunlight and paucity of nutrients
(c) water limits and fire
(d) None of the above
Option c – water limits and fire
The food chain, in which microorganisms breakdown energy-rich compounds is called
(a) ecosystem
(b) detritus food chain
(c) parasitic food chain
(d) predator food chain
Option b – detritus food chain
The sequence of species through which the organic molecules in a community pass is ( Biodiversity and Conservation MCQ )
(a) a pyramid of energy
(b) a nutrient cycle
(c) a food chain
(d) a food web
Option c – a food chain
Food webs are prominent in an ecosystem because
(a) one consumer is not dependent on a single kind of food from the same food chain
(b) the interlinking of food chains leads to the formation of food webs
(c) Both (a) and (b)
(d) None of these
Option c – Both (a) and (b)
Suggest the correct sequence of various autotrophic levels likely in the food chain involving plants, birds, lions, snakes, and ants. ( Biodiversity and Conservation MCQ )
(a) Plants, birds, snakes, lions, and ants
(b) Plants, ants, birds, snakes, and lions
(c) Plants, birds, lions, snakes, and ants
(d) Plants, snakes, ants, birds, lions
Option b – Plants, ants, birds, snakes, and lions
Which one of the following terms describes not only the physical space occupied by an organism but also its functional role in the community of organisms?
(a) Ecotone
(b) Ecological niche
(c) Habitat
(d) Home range
Option b – Ecological niche
The microorganisms that break down the complex organic substances of dead remains and waste products of organisms into simpler inorganic substances are called ( Biodiversity and Conservation MCQ )
(a) vultures
(b) decomposers
(c) omnivores
(d) None of these
Option b – decomposers
Disposable plastic plates should not be used because
(a) they are made of materials with light weight.
(b) they are made of toxic materials.
(c) they are made of biodegradable materials.
(d) they are made of non-biodegradable materials.
Option d – they are made of non-biodegradable materials
Accumulation of non-biodegradable pesticides in the food chain in an increasing amount at each higher trophic level is known as ( Biodiversity and Conservation MCQ )
(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.
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 ( Biodiversity and Conservation MCQ )
(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
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
Decomposers are
(a) Animalia and Monera
(b) Protista and Monera
(c) Fungi and Plantae
(d) Bacteria and Fungi
Option d – Bacteria and Fungi
Greater use of disposable packaging materials is affecting the environment because
(a) they are more convenient to use.
(b) they are increasing non-biodegradable waste.
(c) they are hygienic and non-toxic for humans.
(d) All of these
Option b – they are increasing non-biodegradable waste
While on an excursion, you like to have tea in an
(a) disposable paper cup
(b) kulhad of clay
(c) disposable plastic cup
(d) anyone that is available
Option a – disposable paper cup
In an ecosystem, there were grass, plants, rats, dogs, deer, horses, and lions. Will it sustain?
(a) No, it has producers, and consumers but no decomposers
(b) Yes, it has producers and consumers
(c) No, dogs will not get their favorite food cat
(d) Yes, it has got all the levels required for the transfer of energy
Option d – Yes, it has got all the levels required for the transfer of energy
Disposal of garbage can be made eco-friendly by
(a) segregating it into biodegradable and nonbiodegradable bins.
(b) treating the biodegradable waste separately into some useful forms.
(c) treating industrial waste and sewage before disposing of them in water bodies.
(d) All of these.
Option d – All of these
This is an inverted pyramid
(a) Pyramid of numbers in a grassland
(b) Pyramid of energy in pond system
(c) Pyramid of biomass in a grassland
(d) Pyramid of biomass in a pond ecosystem
Option d – Pyramid of biomass in a pond ecosystem
In an ecosystem, one of the following occurs as abiotic compounds
(a) Flow of energy
(b) Cycling of materials
(c) Consumers.
(d) Both (a) and (b)
Option d – Both (a) and (b)
Food webs are prominent in an ecosystem because
(a) one consumer is not dependent on a single kind of food from the same food chain
(b) the interlinking of food chains leads to the formation of food webs
(c) Both (a) and (b)
(d) None of these
Option c – Both (a) and (b)
Suggest the correct sequence of various autotrophic levels likely in the food chain involving plants, birds, lions, snakes, and ants.
(a) Plants, birds, snakes, lions, and ants
(b) Plants, ants, birds, snakes, and lions
(c) Plants, birds, lions, snakes, and ants
(d) Plants, snakes, ants, birds, lions
Option b – Plants, ants, birds, snakes, and lions
The food chain, in which microorganisms breakdown energy-rich compounds is called
(a) ecosystem
(b) detritus food chain
(c) parasitic food chain
(d) predator food chain
Option b – detritus food chain
The sequence of species through which the organic molecules in a community pass is
(a) a pyramid of energy
(b) a nutrient cycle
(c) a food chain
(d) a food web
Option c – a food chain
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
The energy is transferred from one level to the next higher level
(a) can be transferred back to the previous level
(b) cannot be transferred back to the previous level
(c) is consumed by it in doing body functions or lost to the environment
(d) both (b) and (c)
Option b – cannot be transferred back to the previous level
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%
Our food contains varying amounts of pesticide residues because of
(a) biological magnification
(b) the chemicals supplied during agricultural processes are retained by the fruits and seeds through soil and water
(c) chemical reactions between spices and other cooking materials
(d) Only (a) and (b)
Option d – Only (a) and (b)
Which of the following steps is not relevant to the formation of ozone?
(a) Ozone is a poisonous gas.
(b) UV radiations from sunlight split oxygen molecules into atomic oxygen.
(c) Oxygen molecules combine with atomic oxygen to form ozone.
(d) Ozone is formed at the higher levels of the atmosphere.
Option a – Ozone is a poisonous gas
Preservation of the Ozone layer
(a) is important because it helps in stopping harmful UV radiation
(b) is endangered by CFCs
(c) Both (a) and (b)
(d) is not necessary as it will give us more oxygen
Option c – Both (a) and (b)
How many trophic levels are usually present in a food chain? ( Biodiversity and Conservation NEET Questions )
(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
(a) food energy
(b) muscular energy
(c) electrical energy
(d) potential energy
Option a – food energy
Multiple interactions in the food chain make
(a) an Ecosystem
(b) a Biome
(c) the Food web
(d) the Environment
Option c – the Food web
The food chains that long have
(a) more energy in them
(b) less energy left
(c) the same energy
(d) None of the above.
Option b – less energy left
The physical factors and the living factors make the
(a) Environment
(b) Earth
(c) An ecosystem
(d) All of the above
Option c – An ecosystem
The last chain of food are
(a) Producers
(b) Decomposers
(c) Parasites
(d) None of the above
Option b – Decomposers
In an ecosystem, the function of the producers is to
(a) Convert organic compounds into inorganic compounds
(b) Trap solar energy and convert it into chemical energy
(c) Utilize chemical energy
(d) Release energy
Option b – Trap solar energy and convert it into chemical energy
……… are also called saprophytes.
(a) Producers
(b) Consumers
(c) Decomposers
(d) Parasites
Option c – Decomposers
A large ecosystem with its associated plants and animals is called
(a) Habitat
(b) Biome
(c) Biomass
(d) Biota
Option b – Biome
The accumulation of non-biodegradable substances in a food chain in increasing amounts at each higher trophic level is known as
(a) Accumulation
(b) Eutrophication
(c) Pollution
(d) Biomagnification
Option d – Biomagnification
In a food chain, the third trophic level is always occupied by
(a) Carnivores
(b) Herbivores
(c) Decomposers
(d) Producers
Option a – Carnivores
The flow of energy in an ecosystem is always
(a) Unidirectional
(b) Bidirectional
(c) Multi-directional
(d) No specific direction
Option a – Unidirectional
If the organic matter is decomposed
(a) It will mix with the soil
(b) It makes the soil fertile
(c) It helps to solve the problem of pollution
(d) All the above
Option d – All the above
In the food chain Crops →X→ Snake→Y→ decomposes X and Y are one of the following
(a) Crows, Vultures
(b) Crows, Hawk
(c) Rats, Dog
(d) Rats, Geese
Option d – Rats, Geese
In every food chain, green plants are
(a) decomposers
(b) producers
(c) consumers
(d) None of the above
Option b – producers
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
Which of the following is a non-biodegradable substance?
(a) Polythene
(b) Cotton cloth
(c) Leaves
(d) Vegetable peels
Option a – Polythene
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) an abiotic component comprising living organisms
(b) an abiotic component 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
Which chemical has been replaced recently?
(a) Malathion
(b) Chlorofluorocarbons
(c) Chloroform
(d) Ethylene dibromide
Option b – Chlorofluorocarbons
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
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
Which one of these is not a food chain
(a) Trees → Deer →Lion
(b) Plants → Man → Anaconda
(c) Plants → Insects → Frog → Snake →Kite
(d) Small → plants → Crabs → Fish → Swan → bird
Option b – Plants → Man → Anaconda
We covered all the biodiversity and conservation mcq above in this post for free so that you can practice well for the exam.
Check out the latest MCQ content by visiting our mcqtube website homepage.
Also, check out:
