Which process allows water to enter the atmosphere?   A) Transpiration B) Respiration C) Condensation D) Evaporation

Q: Name the pollutants which are degradable.

A: Pollutants are considered as undesirable changes in physical, chemical or biological characteristics…

Q: By what phosphate pollution is caused?

A: The excessive dumping of nutrients in the environment is known as nutrient pollution and it is a…

Q: Name the non biodegradable pollutant.

A: Non-biodegradable pollutants are D.D.T (dichlorodiphenyltrichloroethane), B.H.C (Benzene…

Q: How does incineration destroy microbes?

A: Incineration is a process in which the the organism is burnt to ashes. It is a process of killing…

Q: Why would soil and water be added to a compost pile?

A: Compost refers to the organic material which is produced by the process of composting. Composting…

Q: Which two distinct microbial processes are responsible for the release of fixed nitrogen as…

A: Atmosphere consists of 78% percent of nitrogen; it is an essential element for the growth and…

Q: Why is it important that decomposers such as bacteria release nutrients?

A: Decomposers are organisms that break down complex organic materials, such as remains of dead…

Q: Why are organisms in the abyssal zone of the ocean necessarily halophilic, psychrophilic,…

A: The three major life zones in ocean are estuarine zone, bathyal zone and abyssal zone.

Q: What does the failure to sustain water availability underground has resulted?

A: The water present in the soil pore spaces, rocks, and sand beneath the surface of the earth is…

Q: Name the pollutants that cannot be broken down to simple and harmless products.

A: The pollutants are generally broken down by the process of bioremediation or consumed by the use of…

Q: a) What is the consequence of discharging larger volumes of sewage that is untreated into a river?…

A: Introduction: Wastewater treatment has been used for a variety of purposes such as removing the…

Q: What are the adverse effects of fertilizers on pollution?

A: Fertilizers are chemical materials that play a vital role in improving the yield of the crop.…

Q: What are the roles of precipitation, condensation, respiration, transpiration,surface water, and…

A: The water cycle is also known as the hydrologic cycle or hydrological cycle. It describes the…

Q: Which bacteria help in production of biogas?

A: Bacteria are unicellular and prokaryotic organisms that live in wide variety of environments. It…

Q: Is transpiration the onlyway through which leaves losewater?

A: Introduction  Plants spends lots of their energy in water absorption as well as in water…

Q: Why does the cycling of nutrients depends on gravity?

A: The nutrient cycle is a system where the energy and the matter are transferred between the living…

Q: What is secondary pollutant?

A: Pollutants can be grouped into two main categories, which are primary pollutants and secondary…

Q: What is pollution?

A: A pollutant may interfere directly or indirectly with an organism’s mechanical or biochemical…

Q: What is the epa clean water act?

A: Clean water act also known as CWA accepted in United States it states fundamental structure for…

Q: What is absent in polluted water?

A: Water is a odorless, transparent, tasteless liquid that forms the lakes, seas, rivers. The water is…

Q: What are outside raw materials used for by an organism?

A: All living organisms require energy for growth, locomotion, reproduction, and movement. They acquire…

Q: What result can a river with an inflow of domestic sewage rich in organic waste can give?

A: The phenomenon of ageing of water bodies naturally due to increase in its nutrient concentration is…

Q: Which of the following microorganisms require the major available (aW) of water to proliferate?

A: aW is the water activity, is the measurement of available water. 0.62 is the minimum requirement for…

Q: Where do nitrogenous wastes come from?

A: The nitrogenous wastes are the type of wastes that contain nitrogen in the molecule. there are…

Q: How is water recycled?

A: The water cycle shows the continuous movement of water and how it it gets recycled within the earth…

Q: Name the secondary pollutant.

A: Pollution is introduction of any substance which causes undesirable disturbances in the environment/…

Q: Below what water activity do microorganisms cease to grow?

A: Introduction Water Activity (aW) Is A Measurement Of How Much Water Is Unbound And So Available For…

Q: What happens when domestic sewage mixes with river water?

A: Pollution is the degradation of any natural resource mainly due to human activities or other rare…

Q: for which purpose nitrogen is used?

A: Nitrogen is the chemical element with the symbol N and atomic number 7. It is a nonmetallic element…

Q: Differentiate between transpiration and evaporation.

A: Plants perform several physiological processes through leaves and stems.  Evaporation and…

Q: Why must autotrophic organisms also respire or ferment in addition to fixing CO2?

A: Autotrophic organism are those which are able to synthesise their own food using the raw material…

Q: what is the biogas flame color and odor? the biogas undergo anaerobic digestion using food scraps…

A: Biogas is an anaerobic decomposition of waste coming from agricultural waste, manure, municipal…

Q: How is methane produced?

A: Methane can be defined as a hydrocarbon that is found in large quantities in natural gas. Because…

Q: What is spreading of oil on the surface of rivers or sea due to leakage from tankers known as?

A: The life of the aquatic animals is exploited due to human intervention. Some of its negative impacts…

Q: What factors govern the extent and type of microbial activityin soils?

A: The soil is defined as unconsolidated mineral or organic material present in the earth’s immediate…

Q: Explain How can we reduce solid waste through biodegradation?

A: There are various types of wastes generated such as liquid (petroleum products, grease), solid…

Q: What is Waste Management?

A: Waste management can be defined as all of the actions involved in waste management, from waste…

Q: Which gas is not a pollutant?

A: A pollutant is a substance in the environment that possesses undesirable effects on the usefulness…

Q: Are autotrophs producers or consumers ?

A: Those organisms that signify life is known as a living thing. Living organisms are broadly divided…

Q: What are persistent organic pollutants (РOPS)?

A: Introduction In this question we have to write about the persistent organic pollutants.

Q: What does the fluoride pollution mainly affects?

A: Pollution is the accumulation of harmful substances in the environment that causes contamination and…

Q: What is the carbon source for autotrophic organisms?

A: Organisms derive nutrition from the ingested food particles which provide the carbon source,…

Q: Why are microorganisms present in the bodies of water?

A: Microorganisms present in water use the water to take in food and to remove unwanted waste products.…

Q: Explain the distinction between a Toxicant, a toxin, and a pollutant. Do these definitions overlap?

A: Pollutants are by product of human activity that are introduced into the earth's natural water…

Q: What do recycle means?

A: The conversion of waste material into the reusable ones is called recycling. The benefits of…

Environmental Microbiology

Environmental biology deals with the study of microorganisms and their interaction with their surroundings. This term itself covers the microbial interactions with water, soil, air, and microbial too.