MCQs question on Ecology/ Environment Biology Part-1

A program that focuses on the scientific study of the origins, functions, relationships, interactions, and natural history of living populations, communities, species, and ecosystems in relation to dynamic environmental processes. Includes instruction in biodiversity, molecular genetic and genomic evolution, mesoscale ecology, computational biology and modeling, conservation biology, local and global …

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A program that focuses on the scientific study of the origins, functions, relationships, interactions, and natural history of living populations, communities, species, and ecosystems in relation to dynamic environmental processes. Includes instruction in biodiversity, molecular genetic and genomic evolution, mesoscale ecology, computational biology and modeling, conservation biology, local and global environmental change, and restoration ecology.[wp_campaign_1]

Here Few questions on Environment Biology/ Ecology

1. Among the following environmental pollutants has the problem of biomagnifications-
(a) SO2
(b) NO3
(c) Hg fungicides
(d) O3 & CO2


2. An increase in the atmospheric level of automobile exhaust gases does not lead to-
(a) Pb Pollution
(b) O2 Pollution
(c) Particulate air pollution
(d) O3 Pollution

3. The compound mainly responsible for pollution which caused the ill famed Bhopal gas tragedy was-
(a) NH4OH
(b) CH3NCO
(c) CH3NH2O
(d) CHCl3

4. In recycling of mineral elements within an ecosystem, the responsible direct acing organism are called-
(a) Decomposers
(b) Producers
(c) Primary consumers
(d) Secondary consumers

5. Eutrophication of water bodies resulting to killing of fishes is mainly due to-
(a) Non-availability of food
(b) Non-availability of light
(c) Non-availability of oxygen
(d) Non-availability of essential minerals

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6. The pyramid of biomass will be inverted in the ecosystem of-
(a) Forests
(b) Ponds
(c) Grasslands
(d) Drylands

7. Primary productivity at the climax stage of a succession is-
(a) Higher then consumption
(b) Lower then the consumption
(c) Equal to consumption
(d) Not related to consumption

8. UV radiations is injurious to plants because it-
(a) Break phosphate bonds
(b) Increases respiration
(c) Causes dehydration
(d) Causes genetic changes

9. The pyramid of number of a parasitic food chain in forest ecosystem is-
(a) Always inverted
(d) Always upright
(b) Mixture of inverted & upright
(d) Sometimes inverted and sometimes upright

10. The most stable ecosystem could be-
(a) Ponds
(b) Oceans
(c) Desert
(d) Forest

 

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