Previous Year Solved Question Papers

Previous Year Solved Question Papers

MCQs on Ecology & Biodiversity Conservation -5

1. Bio parks are conceived, developed and managed with a goal of conservation of biodiversity through,
(i) Development of educational and scientific activities.
(ii) Promoting silvi culture and mono culture.
(iii) Promoting local community welfare without harming the natural habitat.

Choose the correct answer from the codes:
(A) (i) and (ii)
(B) (ii) and (iii)
(C) (i) and (iii)
(D) (i), (ii) and (iii)


2. In about a 7 metre deep pond the series of vegetation development will be
(A) Submerged → Floating → Reed → Herb
(B) Floating → Submerged → Reed → Herb
(C) Floating → Reed → Submerged → Herb
(D) Submerged → Reed → Floating → Herb


3. In terrestrial ecosystems, roughly how much NPP ends up being broken down by decomposers?
(A) 90 %
(B) 70 %
(C) 50 %
(D) 10 %


4. Dachigan sanctuary is associated with
(A) Hangul
(B) Rhinoceros
(C) Barking deer
(D) Leopard



5. Given below are statements in the context of biogeochemical cycles:
(i) Ecosystems are black boxes for many of the processes that take place within them.
(ii) Ecosystem boundaries are permeable to some degree or other.
(iii) The energy and nutrients can be transferred to and from one ecosystem to another via imports and exports.
Identify the correct answer from the codes given below:
(A) (i) & (ii) only
(B) (ii) & (iii) only
(C) (i) & (iii) only
(D) (i), (ii) and (iii)



6. Which year was declared as International Year of Biodiversity?
(A) 2002
(B) 2010
(C) 2020
(D) 1972


7. The forest biome characterised by 3-4 tree species/km2 is
(A) Tropical
(B) Temperate
(C) Boreal
(D) Taiga


8. Which of the following is a type of biodiversity extinction caused primarily due to anthropogenic activities?
(A) Carboniferous rain forest collapse
(B) Permian – Triassic extinction
(C) Cretaceous paleogene extinction
(D) Holocene extinction



9. Which of the following is an example of lotic ecosystem?
(A) Stream ecosystem
(B) Pond ecosystem
(C) Bog ecosystem
(D) Wetland ecosystem


10. Which pyramid is always straight?
(A) Pyramid of biomass
(B) Pyramid of number
(C) Pyramid of energy
(D) Pyramid of number and biomass



11. Which region among the following is not Atmospheric Brown Cloud (ABC) hotspot?
(A) East-Asia
(B) South Africa
(C) Amazon Basin in South America
(D) Australia


12. Azolla pinnata is a
(A) Blue green algae
(B) Green algae
(C) Red algae
(D) Fern



13. What is Eco mark?
(A) Label given to recycled products
(B) Label given to an environment friendly products
(C) Land mark indicating the boundaries of bio-parks
(D) Label given to non-recyclable products


14. United Nations has declared “UN Decade of Education for sustainable Development” and the decade identified for this education is
(A) 2006 – 2015
(B) 2005 – 2014
(C) 2011 – 2020
(D) 2012 – 2021


15. Which of the following is not a major biome of India?
(A) Tropical rain forest biomes
(B) Tropical deciduous forest biomes
(C) Temperate needle leaf forest biomes
(D) Mountains and glaciers

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