Important MCQ-Based Questions for class 11 Geography chapter-Biodiversity and Conservation
This page consists of Important MCQ questions from chapter Biodiversity and Conservation uploaded as per the CBSE syllabus and consists of a detailed explanation. Questions are prepared from the entire chapter-Biodiversity and Conservation to give you effective revision.
Find below MCQ-Based Questions for class 11 Geography chapter-Biodiversity and Conservation
Important MCQ-based questions Geography class 11 chapter-Biodiversity and Conservation Set-A
Geography - MCQ on Biodiversity and Conservation
Class XI
Q.1. What is bio-diversity?
a) Variety of vegetation
b) Variety of life
c) Variety of biomes
d) None
Answer:
(b) variety of life
Q.2. Bio-diversity:
a) Decreases from the equator towards the poles
b) Increases from the equator towards the poles
c) No definite pattern
d) At the poles bio-diversity is highest
Answer:
(a) Decreases from the equator towards the poles
Q.3. From the following which one is not a level at which the Bio-diversity is studied:
a) Genetic diversity
b) Species diversity
c) Ecosystem diversity
d) Applied diversity
Answer:
(d) Applied diversity
Q.4. Genetic diversity refers to:
a) Variations of species
b) Variations of Genes in the species
c) Variations of form of species
d) All
Answer:
(b) Variations of Genes in the species
Q.5. Hotspots of diversity means:
a) Areas lack in species
b) Areas rich in species
c) Variability of species
d) None
Answer:
(b) Areas rich in species
Q.6. Bio-diversity plays which of the following roles. They are:
a) Ecological
b) Economic
c) Scientific
d) All
Answer:
(d) All
Q.7. Bio-diversity helps us in understanding which of following:
a) Low life evolved and continued to evolve
b) Low life functions
c) The role of each species is sustaining ecosystems
d) All the above
Answer:
(d) All the above
Q.8. The tropical rainforests contain ----- per cent of the species on the earth.
a) 60
b) 50
c) 40
d) 70
Answer:
(b) 50
Q.9. The causes of extinction of many species are:
a) Over exploitation of Resources
b) Large scale deforestation
c) Increasing population densities
d) All the above
Answer:
(d) All the above
Q.10. Red Panda is an:
a) Vulnerable specie
b) Endangered specie
c) Rare specie
d) None
Answer:
(b) Endangered Specie
Explanation: - It includes those species which are in danger of extinction.
Q.11. Bio-diversity is important for: (1)
a) Animal and plant existence
b) Human existence
c) Development
d) None
Answer:
(b) Human existence
Q.12. How many nations have signed the conservation of Bio-diversity at the Earth Summit in 1992?
a) 150
b) 156
c) 160
d) 162
Answer:
(b) 156
Q.13. Which one of the following is not a step suggested for biodiversity conservation:
a) Efforts should be made to save the endangered species
b) International trade in wild plants and animals be regulated
c) Each country should identify habitats of wild and ensure their protection
d) Research for new species
Answer:
(d) Research for new species
Q.14. Government of passed the wildlife act in:
a) 1970
b) 1969
c) 1972
d) 1975
Answer:
(c) 1972
Q.15. In Madagascar, about ----- per cent of the plants and animals are found no where else in the world:
a) 50
b) 80
c) 85
d) 90
Answer:
(c) 85
Q.16.Conservation of biodiversity is important for:
a) Animals
b) Plants
c) Animals and plants
d) All organism
Answer:
(d) All Organism
Q.17.Threatened species are those which:
a) Threaten others
b) Lion and tiger
c) Are abundant in number
d) Are suffering from the danger of extinction.
Answer:
(d) Are suffering from the danger of extinction.
Q.18.National parks and sanctuaries are established for the purpose of :
a) Recreation
b) Hunting
c) Pets
d) Conservation
Answer:
(d) Conservation.
Q.19.Biodiversity is richer in:
a) Tropical regions
b) Temperate regions
c) Polar regions
d) Oceans
Answer:
(a) Tropical regions
Q.20. In which one of the following countries, the ‘Earth Summit’ was held?
a) UK
b) Brazil
c) Mexico
d) China
Answer:
(b) Brazil
Q.21. An Ecosystem with high biodiversity have a:
a) Less chance to adaptation
b) Great chance to adaptation to environmental change
c) Size of ecosystem has no relation with adaptation
c) None
Answer:
(b) Great chance to adaptation to environmental change
Q.22.Bio-diversity supplies mankind which of the following commodity? (1)
a) food
b) forest, medicines,
c) livestock ,fish.
d) All the above
Answer:
(d) All the above.
Q.23.Reservoir of resources is the name given to:
a) Biomes
b) Biomass
c) Bio-diversity
d) None
Answer:
(c) Bio-diversity.
Q.24.In a more diverse ecosystem :
a) It is easy to survive.
b) survival is very difficult
c) there is a conflict of resources.
d) None.
Answer:
(a) It is easy to survive.
Q.25.Humboditia decrrens Bedd a highly rare endemic tree of :
a) Eastern ghats
b) Western ghats
c) Aravallies
d) Siwaliks.
Answer:
(b) Western ghats
Important MCQ-based questions Geography class 11 chapter-Biodiversity and Conservation Set-B
Q.1 What percentage of species are contained by Tropical rain forests?
a. 10%
b. 40%
c. 50%
d. None of the above
Answer:
(c)
Explanation. Tropical regions occupy about one-fourth of the total area of the earth.
Q.2 Endangered species are listed under the category of:
a. blue list
b. red list
c. green list
d. yellow list
Answer:
(b)
Explanation. The list is published by IUCN.
Q.3 Species which are not the natural inhabitants of the local habitat but are introduced in the system are called:
a. endangered species
b. exotic species
c. vulnerable species
d. rare species
Answer:
(b)
Explanation. Natural biotic community may suffer because of introduction of exotic species.
Q.1 What percentage of species are contained by Tropical rain forests?
a. 10%
b. 40%
c. 50%
d. None of the above
Answer:
(c)
Explanation. Tropical regions occupy about one-fourth of the total area of the earth.
Q.2 Endangered species are listed under the category of:
a. blue list
b. red list
c. green list
d. yellow list
Answer:
(b)
Explanation. The list is published by IUCN.
Q.3 Species which are not the natural inhabitants of the local habitat but are introduced in the system are called:
a. endangered species
b. exotic species
c. vulnerable species
d. rare species
Answer:
(b)
Explanation. Natural biotic community may suffer because of introduction of exotic species.
Q.3 One important part of biodiversity is:
a. land diversity
b. crop diversity
c. cultural diversity
d. None of the above
Answer:
(b)
Explanation. It is also called agro-diversity.