Que- Soap and detergents are the source of organic pollutants like: a. Glycerol b. Polyphosphates c. Sulphonated hydrocarbons d. All of these Answer- All of these Explanation- Soaps and detergent are the sources of both o…
Que- Green revolution is associated with _________ a. sericulture b. agriculture c. fish culture d. silviculture Answer- agriculture Explanation- The Green Revolution in India refers to a period of time when agriculture i…
Que- Eutrophication of water bodies resulting to killing of fishes is mainly due to non-availability of a. Food b. Light c. Oxygen d. Essential minerals Answer- Oxygen Explanation- The concentration of the oxygen would fa…
Que- Ecological niche of an organism represents a. The resource it utilizes b. Functional role in the ecological system c. The range of conditions that it can tolerate d. All of these Answer- All of these Explanation- The…
Que- Which of the following has the least similarity when comparing two examples of the same biome located in different parts of the world? a. Climate b. Latitude c. Continent d. Elevation Answer- Continent Explanation- C…
Que- What is lotic habitat? a. Standing or still water habitat b. Marine habitat c. Running water habitat d. Stagnant water Answer- Running water habitat Explanation- Lotic refers to flowing water, from the Latin lotus,…
Que- Energy flow in ecosystem is a. Unidirectional b. Bidirectional c. Multidirectional d. None of the above Answer- Unidirectional Explanation- Energy flow in ecosystem is Unidirectional. Que- Salmon…
Que- In the atmosphere, tiny solid or liquid suspended particles of various composition are called: a. Aerosols b. Carcinogens c. Greenhouse gases d. Microbes Answer- Aerosols Explanation- Aerosols are tiny solid or liqui…
