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.
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MCQ on Biodiversity and Conservation 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?
(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
(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
(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.
(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
(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
(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
(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
(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
(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.
(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
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