Biodiversity Question Bank. We covered all the Biodiversity Question Bank MCQs 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 exams like UPSC, State PCS, CDS, NDA, Assistant Commandant, SSC, Railway, Bank, Delhi Police, UPSSC, and other Competitive Examinations, 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:
MCQ on Biodiversity for Students
While India’s Human population is growing at an astounding pace, the bird population is shrinking fastly mainly because I. there has been an abnormal increase in the number of hunters. II. bio-pesticides and organic manure are being used on a large scale. III. there has been a large-scale reduction in the habitats of birds. IV. there has been a large-scale use of pesticides, chemical fertilizers, and mosquito repellents. Select your answer correctly using the codes given below.
(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 c – III and IV are correct
If you travel through the Himalayas, you are likely to see which of the following plants naturally grow there. I. Oak II. Rhododendron III. Sandalwood Select the correct answer using the codes given below. ( Biodiversity Question Bank MCQ )
(a) I and II
(b) Only III
(c) I and III
(d) All of these
Option a – I and II
Which of the following have coral reefs? I. Andaman and Nicobar Islands II. Gulf of Kachchh III. Gulf of Mannar IV. Sunderbans Select the correct answer using the codes given below.
(a) I, II, and III only
(b) II and IV only
(c) I and III only
(d) I, II, III, and IV
Option a – I, II, and III only
Assertion A The South-Western Island region of India has huge biodiversity. Reason R South-Western Island region is characterized by huge rainfall and consists of numerous islands surrounded by ocean. Codes ( Biodiversity Question Bank MCQ )
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true, but R is not the correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true
Option a – Both A and R are true and R is the correct explanation of A
Which among the following is not the reason for the destruction of biodiversity in Uttarakhand?
(a) Extension of roadways
(b) Urbanisation
(c) Afforestation in degraded land
(d) Extension of Agriculture
Option c – Afforestation in degraded land
Which one of the following strongly threatens biodiversity? ( Biodiversity Question Bank MCQ )
(a) A fragile ecosystem such as mangroves and wetlands.
(b) Inaccessible habitats in the Himalayas.
(c) Destruction of natural habitats; vegetation and Jhum cultivation.
(d) Creation of biosphere reserves.
Option c – Destruction of natural habitats; vegetation and Jhum cultivation
In the context of biodiversity, which among the following regions of India is considered a hotspot?
(a) Andaman and Nicobar Islands.
(b) Plains of Ganga.
(c) Central India.
(d) None of the above
Option a – Andaman and Nicobar Islands
Which one of the following National Parks has a climate that varies from tropical to subtropical, temperate, and arctic? ( Biodiversity Question Bank MCQ )
(a) Khangchendzonga National Park
(b) Nandadevi National Park
(c) Neora Valley National Park
(d) Namdapha National Park
Option d – Namdapha National Park
Which one among the following regions of India is a confluence of Mangrove forest, Evergreen forest, and Deciduous forest?
(a) North Coast of Andhra Pradesh.
(b) South-Western Bengal.
(c) Southern Saurashtra.
(d) Andaman and Nicobar Islands
Option d – Andaman and Nicobar Islands
Consider the following statements. I. Biodiversity hotspots are located only in tropical regions. II. India has four biodiversity hotspots i.e., Eastern Himalayas, Western Himalayas, Western Ghats, and Andaman and Nicobar Islands. Which of the statements given above is/are correct? ( Biodiversity Question Bank MCQ )
(a) Only I
(b) Only II
(c) Both I and II
(d) Neither I nor II
Option d – Neither I nor II
Three of the following criteria have contributed to the recognition of Western Ghats, Sri Lanka, and Indo-Burma regions as hotspots of biodiversity. I. Species richness II. Vegetation density III. Endemism IV. Ethno-botanical importance V. Threat perception VI. Adaptation of flora and fauna to warm arid humid conditions. Which three of the above are correct criteria in this context?
(a) I, II and VI
(b) II, IV and VI
(c) I, III and V
(d) II, IV and VI
Option c – I, III and V
Consider the following regions. I. Eastern Himalayas II. Eastern Mediterranean region III. North-Western Australia Which of the above is/are biodiversity hotspot(s)? ( Biodiversity Question Bank MCQ )
(a) Only I
(b) I and II
(c) II and III
(d) I, II, and III
Option a – Only I
A species is considered to be extinct if it has not been seen in its natural habitat for
(a) 15 years
(b) 25 years
(c) 40 years
(d) 50 years
Option d – 50 years
Which of the following is the reason for the decline in the population of vultures? ( Biodiversity Question Bank MCQ )
(a) Excessive use of Diclofenac
(b) Low mortality rate of the animal.
(c) The high mortality rate of animals
(d) Cleanliness
Option a – Excessive use of Diclofenac
Which one of the following is not responsible for the extinction of a species?
(a) Broad Niche
(b) Large body size
(c) Narrow Niche
(d) Lack of genetic variability
Option d – Lack of genetic variability
‘Silent Valley is located in ( Biodiversity Question Bank MCQ )
(a) Uttarakhand
(b) Kerala
(c) Arunachal Pradesh
(d) Jammu and Kashmir
Option b – Kerala
(a) Uttarakhand
(b) Himachal Pradesh
(c) Kerala
(d) Tamil Nadu
Option c – Kerala
‘Valley of Flowers’ is situated in ( Biodiversity Question Bank MCQ )
(a) Kerala
(b) Jammu and Kashmir
(c) Uttarakhand
(d) Himachal Pradesh
Option c – Uttarakhand
The maximum biodiversity-rich place in India is
(a) Indo-Gangetic Plain
(b) Trans-Himalaya
(c) Western Ghats
(d) Central India
Option c – Western Ghats
Which of the following is a biodiversity-saturated area in India? ( Biodiversity Question Bank MCQ )
(a) Eastern Ghat
(b) Western Ghat
(c) Thar Desert
(d) Bay of Bengal
Option b – Western Ghat
The ‘hotspot’ of biodiversity in India are
(a) Western Himalayas and Eastern Ghats.
(b) Western Himalayas and Sunderban.
(c) Eastern Himalayas and the Western Ghats.
(d) Eastern Himalayas and Silent Valley.
Option c – Eastern Himalayas and the Western Ghats
Which one of the following is not a ‘biodiversity hotspot’ of India? ( Biodiversity Question Bank MCQ )
(a) Himalayas
(b) Vindhyas
(c) North-East India
(d) Western Ghats
Option b – Vindhyas
The Himalayan Range is very rich in species diversity. Which one among the following is the most appropriate reason for this phenomenon?
(a) It has a high rainfall that supports luxuriant vegetative growth.
(b) It is a confluence of the different biogeographical zone.
(c) Exotic and invasive species have not been introduced in this region.
(d) It has less human interference.
Option b – It is a confluence of the different biogeographical zone
The richest biodiversity is found in the ( Biodiversity Question Bank MCQs )
(a) Silent Valley
(b) Kashmir Vally
(c) Valley of flowers
(d) Surma Valley
Option a – Silent Valley
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 ( Biodiversity Question Bank MCQ )
(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 ( Biodiversity Question Bank MCQ )
(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? ( Biodiversity Question Bank MCQ )
(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 ( Biodiversity Question Bank MCQ )
(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
As a result of their annual survey, the National Geographic Society and an international polling firm Globe Scan gave India the top rank in Greendex 2009 score. What is this score?
(a) It is a measure of efforts made by different countries in adopting technologies for reducing carbon footprint.
(b) It is a measure of environmentally sustainable consumer behavior in different countries.
(c) It is an assessment of programs/ schemes undertaken by different countries for improving the conservation of natural resources.
(d) It is an index showing the volume of carbon credits sold by different countries.
Option b – It is a measure of environmentally sustainable consumer behavior in different countries
India is a party to the Ramsar Convention and has declared many areas as Ramsar sites. Which of the following statements best describes how we should maintain these sites in the context of this convention?
(a) Keep all the sites completely inaccessible to man so that they will not be exploited.
(b) Conserve all the sites through an ecosystem approach and permit tourism and recreation only.
(c) Conserve all the sites through an ecosystem approach for a period without any exploitation, with specific criteria and a specific period for each site, and then allow sustainable use of them by future generations.
(d) Conserve all the sites through an ecosystem approach and allow their simultaneous sustainable use.
Option d – Conserve all the sites through an ecosystem approach and allow their simultaneous sustainable use
important rivers-one with its source in Jharkhand Two by a different name in Odisha), and another, (and known in Odisha-merge at a place only a short with its source the coast of the Bay of Bengal before flowing distance from an important site of wildlife and into the sea. This is a protected area. Which one of the biodiversity and the following could be this?
(a) Bhitarkanika
(b) Chandipur-on-sea
(c) Gopalpur-on-sea
(d) Simlipal
Option a – Bhitarkanika
Three of the following criteria have contributed to the recognition of Western Ghats, Sri Lanka, and Indo Burma regions as hotspots of biodiversity: Species richness 2. Vegetation density 3. Endemism 4. Ethno-botanical importance 5. Threat perception 6. Adaption of flora and fauna to warm and humid conditions Which three of the above are correct criteria in this context?
(a) 1, 2 and 6
(b) 2, 4 and 6
(c) 1, 3 and 5
(d) 3, 4 and 6
Option c – 1, 3 and 5
Consider the following statements: 1. The boundaries of a National Park are defined by legislation. 2. A Biosphere Reserve is declared to conserve a few specific species of flora and fauna. 3. In a Wildlife Sanctuary, limited biotic interference is permitted. Which of the statements given above is / correct?
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
Option c – 1 and 3 only
A pesticide that is a chlorinated hydrocarbon sprayed on a food crop. The food chain is the Food crop – Rat – Snake Hawk. In this food chain, the highest concentration of the pesticide would accumulate in which one of the following?
(a) Food crop
(b) Rat
(c) Snake
(d) Hawk
Option d – Hawk
Consider the following statements: 1. Biodiversity is normally greater in the lower latitudes as compared to the higher latitudes. 2. Along the mountain gradients, biodiversity is normally greater in the lower altitudes as compared to the higher altitudes. Which of the statements given above is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
Option c – Both 1 and 2
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
Option c – 1 and 3 only
The “Red Data Books” published by the International Union for Conservation of Nature and Natural resources (IUCN) contain lists of? 1. Endemic plant and animal species present in the biodiversity hotspots. 2. Threatened plant and animal species. 3. Protected sites for the conservation of nature and natural resources in various countries. Select the correct answer using the codes given below :
(a) 1 and 3
(b) 2 only
(c) 2 and 3
(d) 3 only
Option b – 2 only
Which one of the following is not a site for the in-situ method of conservation of flora? ( Biodiversity and Conservation Class 12 MCQ )
(a) Biosphere Reserve
(b) Botanical Garden
(c) National Park
(d) Wildlife Sanctuary
Option b – Botanical Garden
The 2004 Tsunami made people realize that mangroves can serve as a reliable safety hedge against coastal calamities. How do mangroves function as a safety hedge?
(a) The mangrove swamps separate the human settlements from the sea by a wide zone in which people neither live nor venture out
(b) The mangroves provide both food and medicines which people are in need of any natural disaster
(c) The mangrove trees that are tall with dense canopies and serve as an excellent shelter during a cyclone or tsunami
(d) The mangrove trees do not get uprooted by storms and tides because of their extensive roots.
Option d – The mangrove trees do not get uprooted by storms and tides because of their extensive roots
The Himalayan range is very rich in species diversity. Which one among the following is the most appropriate reason for this phenomenon?
(a) It has a high rainfall that supports luxuriant vegetative growth
(b) It is a confluence of different biogeographical zones.
(c) Exotic and invasive species have not been introduced in this region.
(d) It has less human interference.
Option b – It is a confluence of different biogeographical zones
A sandy and saline area is the natural habitat of an Indian animal species. The animal has no predators in that area but its existence is threatened due to the destruction of its habitat. Which one of the following could be that animal?
(a) Indian wild buffalo
(b) Indian wild ass
(c) Indian wild boar
(d) Indian gazelle
Option b – Indian wild ass
Biodiversity forms the basis for human existence in the following ways: 1. Soil formation 2. Prevention of soil erosion 3. Recycling of waste 4. Pollination of crops Select the correct answer using the codes given below
(a) 1,2 and 3 only
(b) 2, 3, and 4 only
(c) 1 and 4 only
(d) 1, 2, 3, and 4 only
Option d – 1, 2, 3, and 4 only
Excessive exposure of humans to UV rays results in (i) damage to the immune system (ii) damage to the lungs (iii) skin cancer (iv) peptic ulcers
(a) (i) and (ii)
(b) (ii) and (iv)
(c) (i) and (iii)
(d) (iii) and (iv)
Option c – (i) and (iii)
Within biological communities, some species are important in determining the ability of a large number of other species to persist in the community. Such species are called
(a) Keystone species
(b) Allopatric species
(c) Sympatric species
(d) Threatened species
Option a – Keystone species
Consider the following animals of India: 1. Crocodile 2. Elephant Which of these is/are endangered species?
(a) Only 1
(b) Only 2
(c) Both 1 and 2
(d) Neither 1 nor 2
Option a – Only 1
Consider the following statements: 1. Salt-water crocodile is found in the Andaman and Nicobar Islands. 2. Shrew and tapir are found in the Western Ghats of the Malabar region. Which of the statements given above is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
Option a – 1 only
Consider the following statements: 1. Biodiversity hotspots are located only in tropical regions. 2. India has four biodiversity hotspots i.e., Eastern Himalayas, Western Himalayas, Western Ghats, and Andaman and Nicobar Islands. Which of the statements given above is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
Option d – Neither 1 nor 2
In the given food chain, suppose the amount of energy at the fourth trophic level is 3 kJ, what will be the energy available at the producer level? Grass → Grasshopper → Frog → Snake → Hawk
(a) 3 kJ
(b) 30 kJ
(c) 300 kJ
(d) 3000 kJ
Option d – 3000 kJ
We covered all the biodiversity question bank mcqs 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:
- Natural Vegetation and Wildlife Class 9 MCQ
- Natural Vegetation and Wildlife Class 9 MCQs
- Transport and Communication Class 4
