Refer to CBSE Class 12 Biology Biodiversity and Conservation MCQs Set F provided below available for download in Pdf. The MCQ Questions for Class 12 Biology with answers are aligned as per the latest syllabus and exam pattern suggested by CBSE, NCERT and KVS. Chapter 13 Biodiversity and Conservation Class 12 MCQ are an important part of exams for Class 12 Biology and if practiced properly can help you to improve your understanding and get higher marks. Refer to more Chapter-wise MCQs for CBSE Class 12 Biology and also download more latest study material for all subjects
MCQ for Class 12 Biology Chapter 13 Biodiversity and Conservation
Class 12 Biology students should refer to the following multiple-choice questions with answers for Chapter 13 Biodiversity and Conservation in Class 12.
Chapter 13 Biodiversity and Conservation MCQ Questions Class 12 Biology with Answers
Question: When the last member of a particular species dies, the species is said to be _____.
a) isolated
b) endangered
c) diversified
d) extinct
Answer: d
Question: What is sustainable use?
a) The study of methods to help protect biodiversity
b) Protected strips of land that allow organisms to migrate from one wilderness area to another
c) A law that makes it illegal to do harm to species that are listed as endangered or threatened
d) The ability to use natural resources in a way that helps people and protects the ecosystem
Answer: d
Question: Which of the following was the first National Park of India?
a) Corbett
b) Nanda Devi
c) Kaziranga
d) Jaldapara
Answer: a
Question: Which of the following phyla has the largest number of species?
a) Arthropoda
b) Echinodermata
c) Cephalochordata
d) Annelida
Answer: a
Question: Why are conservationists calling for immediate, and often expensive, action on behalf of endangered species and habitats?
a) Biodiversity is beneficial to humans
b) Man has brought on climate change
c) Extinction is an unnatural process
d) It would be more costly, financially, if we did not act
Answer: a
Question: Species diversity _____ as we move away from the equator towards the poles.
a) Increases
b) Decreases
c) First increases then decreases
d) First decreases then increases
Answer: b
Question: Identify the odd combination of the habitat and the particular animal concerned.
a) Sunderbans — Bengal tiger
b) Periyar — Elephant
c) Rann of Kutch — Wild ass
d) Dachigam National Park — Snow leopard
Answer: d
Question: Which of the following is not the approach for in-situ conservation?
a) Biosphere reserve
b) Sanctuary
c) Wildlife safari park
d) Sacred groove
Answer: c
Question: Commercial latex is obtained from—
a) Euphorbiaceae
b) Acaria anobica
c) Tectona grandis
d) Manihot esculenta
Answer: a
Question: In cryopreservation, germplasm is maintained at
a) –196° F
b) 0° F
c) –100° F
d) None of these
Answer: d
Question: Which of the following is considered a hot-spot of biodiversity in India?
a) Indo-Gangetic Plain
b) Eastern Ghats
c) Aravalli Hills
d) Western Ghats
Answer: d
Question: Which of the following is not an example of recent extinction?
a) Steller’s sea cow
b) Dodo
c) Quagga
d) Pigeon
Answer: d
Question: From the origin of life to its diversification on earth, there have occurred following number of episodes of mass extinction.
a) Two
b) Three
c) Four
d) Five
Answer: d
Question: Which of the following is the most serious threat to biodiversity?
a) Competition from exotic species
b) Commercial harvesting
c) Habitat loss
d) Overexploitation
Answer: c
Question: Most large whale species have been driven to the brink of extinction. Which of the following is the most accepted explanation?
a) Overexploitation
b) Habitat loss
c) Pollution
d) Competition from introduced species
Answer: a
Question: An endemic species is
a) One found in many different geographic areas
b) One found naturally in just one geographic area
c) One found only on islands
d) One that has been introduced to a new geographic area
Answer: b
Question: The Cichlid species of Lake Victoria were driven nearly to extinction by the introduction of—
a) North American sturgeon
b) Nile perch
c) Eels
d) Bass
Answer: b
Question: Amazon rain forest, called the ‘Lungs of the Planet’, contribute what percentage of oxygen to Earth’s atmosphere?
a) 20%
b) 35%
c) 42%
d) 50%
Answer: a
Question: An exotic species that is introduced to a new area, spreads rapidly, and eliminates native species is called—
a) An immigrant species
b) An invasive species
c) Destructive species
d) None
Answer: b
Question: Which is NOT a valid reason for the species–area relationship?
a) Larger areas have higher z values
b) Extinction rates are greater on small islands
c) Larger “core” areas
d) Larger areas contain more habitats
Answer: a
Question: The total number of national parks and sanctuaries in India are—
a) 82 national parks and 410 sanctuaries
b) 83 national parks and 421 sanctuaries
c) 85 national parks and 450 sanctuaries
d) 87 national parks and 460 sanctuaries
Answer: b
Question: In which part of biosphere reserves is human settlement permissible?
a) Buffer Zone
b) Transition Zone
c) Core Zone
d) Settlement not allowed
Answer: b
Question: The numbers of National Parks, Biosphere reserves, and Wildlife sanctuaries of India were—
a) 90, 14, 448
b) 158, 62, 10
c) 58, 412, 10
d) 96, 412, 10
Answer: a
Question: Endemic plants and animals are those which are
a) Cosmopolitan in distribution
b) Restricted to certain area
c) Found in Arctic region
d) Gregarious in habit
Answer: b
Question: What is the difference between a threatened species and an endangered species?
a) A threatened species is already extinct. An endangered species has increased in population.
b) They are the same thing.
c) A threatened species may become endangered. An endangered species is already extinct.
d) A threatened species may become endangered. An endangered species has numbers so low it is likely to become extinct.
Answer: d
Question: Indri indri is found in—
a) Australia
b) Madagascar
c) Mauritius
d) Tasmania
Answer: b
Question: The narrowly utilitarian arguments for conserving include which of the following from the given list? (i) Industrial products like dyes, lubricants, (ii) Ecosystem services like photosynthesis, (iii) Pollinators layer of bees, birds and bats, (iv) Firewood, fibre and construction material, (v) The aesthetic pleasure of walking through thick, (vi) Products of medicinal importance, (vii) Watching spring flowers in full bloom, (viii) Our moral duty to care for the well-being of each species.
a) (i), (ii), (v) and (vii)
b) (ii), (iii), (v) and (vii)
c) (i), (iv) and (vi)
d) (iii), (v), (vii) and (viii)
Answer: d
Question: Ex situ strategies include –
A. Botanical garden B. Zoos
C. Seed / Pollen banks D. Gene bank and tissue culture
a) A,B
b) A, B,C
c) B, C, D
d) A, B, C, D
Answer: d
Question: The impacts of loss of biodiversity include –
A. Decrease in plant production.
B. Lowered resistance to environmental perturbation
C. Increased variability in ecosystem processes like water use, pest / disease cycle, plants productivity.
D. None
a) A, B
b) A, B, C
c) B, C
d) D
Answer: b
Question: A. More than 70 percent of all the species recorded are animals.
B. Out of every 10 animals on this planet, 7 are insects.
C. The number of fungi species in the world is more than the combined total of the species of fishes, amphibians,reptiles and mammals.
D. Number of fishes is very less than that of mammals.
a) All correct
b) All incorrect
c) A, B and C are correct
d) Only D is correct
Answer: c
CBSE Class 12 Biology Reproductive Health MCQs Set A |
CBSE Class 12 Biology Reproductive Health MCQs Set B |
CBSE Class 12 Biology Reproductive Health MCQs Set C |
CBSE Class 12 Biology Ecosystem MCQs Set A |
CBSE Class 12 Biology Ecosystem MCQs Set B |
CBSE Class 12 Biology Ecosystem MCQs Set C |
MCQs for Chapter 13 Biodiversity and Conservation Biology Class 12
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