What area is NOT a potential source of an extremophile microbe? A. Microwave oven B. Wild honey C. Glacier D. Soil

Q: Why the population of birds are getting declined in an area where DDT had been used extensively?

A: Food chain:   It is a chain of food consumption as well as energy pass by organisms. A food chain…

Q: Nitrogen fixing bacteria is useful in growing which crop ________ A) Wheat B) Paddy C) Legume D)…

A: Nitrogen fixation is the process of converting nitrogen from the soil and to useful product ammonia…

Q: 300 words, Explain the difference between a species that is reduces and a reducing agent. Write it…

A: •A species  that is reduced is  known as oxidising agent •The difference between a species that is…

Q: Is the soil around Iqaluit, Nunavut is good for agriculture (growing crops like wheat, vegetables,…

A: As we know that soil contains minerals and water through which the plant absorb the nutrient…

Q: olar radiation plays the most important role in the: (A) Water cycle (B) Nitrogen cycle (C)…

A: Solar radiation, typically known as the star resource or simply daylight, may be a general term for…

Q: A.  What is one example of a “direct” method of counting a microbial population?    Advantage:…

A: Streak culture is one of the direct method of counting microbial population in terms of colony…

Q: xplain the difference between bioaccumulation and bioamplification.

A: Answer.  Bioaccumulation is the accumulation and enrichment of chemicals in an organism in higher…

Q: Why a medium of a biofilter should have a high content of inorganic nutrients?

A: Biofiltration is a pollution control technique using a bioreactor containing living material to…

Q: The process by which microbes break down food and paper waste into nutrient-rich humus is called:…

A: The microbes are ubiquitous organisms that possess various metabolic transformation activities that…

Q: Describe how the bacterial cell acts like a fuel cell.  b) Is it sustainable? Explain

A: A microbial fuel cell (MFC) is a bio-electrochemical system that drives an electric current by using…

Q: Which of the following events is NOT a common among microbes in the air?

A: Cellular death due to desiccation is not common among microbes in the atmosphere. Microbes are…

Q: Arrow  Blank 1. Fill in the blank, read surrounding text.  _____________ indicates cultural…

A: Anthropogenic activities that harm the balance of Earth in the world are of great concern. This…

Q: The microorganisms that inhabit the sludge at the bottom of a lake would live in which microbiota…

A: It is divided into several zones based on the distance from the shore. The zone closest to the shore…

Q: What type of soil does munggo beans grow best? A. CLAY SOIL B. SAND SOIL C. LOAM SOIL  Explain…

A: Mung bean sprouts are the only microgreen I can grow completely without soil. They grow quickly.

Q: What is believed to be the concentration of bacteria in soil? 109-1010 cells/g dry weight 105-106…

A: Introduction Bacteria are the unicellular living cells/organisms belonging to the domain prokaryote.…

Q: As a result of_______ , an old animal usually has more pollutants in its body than a young one. a.…

A: The correct option is (a) bioaccumulation.

Q: The right granted by government to prevent others from the commercial use of biological resources…

A: Government has exerted some control for the prevention of the discoveries and invention regarding…

Q: 7. One of the techniques for absolute dating of wood using annual pairs of growth rings is called:…

A: Growth rings are the rings formed in the bark of the trees which can can be observed by cutting the…

Q: Which type of UV radiation does the ozone block the most of? a. UV-B radiation b. UV-A radiation c.…

A: The light spectrum of visible light is a part of the electromagnetic spectrum that can visible…

Q: Methods of Bioremediation does not include Select one: a. Bioaugmentation b. Phytoremediation c.…

A: Bioremediation: Bioremediation is a field of biotechnology that involves the removal of…

Q: f all the Petri dishes/agar plates grew bacteria, including the control, what do you think could be…

A: Bacteria: Bacteria are single-celled organisms that are tiny. Bacteria can be found practically…

Q: Which statement DOES NOT describe the microbes on plants? A. May form a biofilm on the surface. B.…

A: Answers :  Microbes on the plant can form biofilm these are basically formed to protect the microbes…

Q: What would be the consequences of a global ban on the use of all pesticides in food crops?

A: Pesticides  Pesticides or Insecticides are chemicals used to kill the pests or other organisms from…

Q: What are indigenous microbes? Why are they important for bioremediation?

A: Microbes are organisms that are not visible to the unaided eyes, and a microscope is needed to…

Q: Short-wave radiation is given off primarily by: Group of answer choices a. The sun b. The soil c.…

A: When the short wave radiations from the sun are not intercepted by the outer atmosphere or ozone…

Q: which of the following is not concerned with biotechnology? A. Biogas Production B.Sewage treatment…

A: Biotechnology is a branch of technology that uses biological systems, live creatures, or components…

Q: Based on temperature requirements which of the following is not correct?*   a. Coconut and mango are…

A: Different plants are adapted to different regions and temperature zones. Some plants require high…

Q: Which of the following statements DOES NOT describe microbes in an aquatic system?

A: The statement "Bacterial and archaeal species are equally represented in freshwater and marine." is…

Q: Justify why algal biotechnology has the potential to be the future of climate change mitigation

A: Algae can help combat climate changes by removing CO2 from the atmosphere, storing it as biomass,…

Q: What is Biogas? How is it produced & Name the microbes invaded in Biogasproduction.

A: Anaerobic decomposition (also called anaerobic digestion) is the process of breaking down…

Q: Some species of which of the below kinds of organisms are employed as biopesticides? 2. Fungi 3.…

A: The correct option is A -  Bacteria only

Q: What is the main problem with using desalination to increase water supplies?  Group of answer…

A: Desalination, in a broader sense, refers to the process of removing salts and minerals from a target…

Q: Inaquatic ecosystems, the major agents of decomposition are:a.aquatic…

A: Answer: Introduction: The habitat of living organism present with each other underwater body is…

Q: A soil consists of layers called ________ that taken together are called a ________. a. soil…

A: Minerals, water, air and organic matter makeup the soil. Pedolody is the study of soil. They are…

Q: Bacteria that grew in the bottom of nutrient broth tube is: a. Anaerobic A b. Flocculent C. Pellicle…

A: In the laboratories, culture is an in vitro procedure for growing or cultivating bacteria or just…

Q: Which of the following statements is NOT as description of soil? A. Varying nutritional content.…

A: Soil covers the earth's surface. The terrestrial plants are rooted in the soil. The root hairs of…

Q: Find a natural place that you have visited or want to visit.                          a. Name the…

A: Photoautotrophs are the organisms which are mainly depend on the energy from.the sun to syhthesis…

Q: One of the techniques for absolute dating of wood using annual pairs of growth rings is called:…

A: The annual growth rings are formed on a single year consisting of spring and summer wood. The spring…

Q: it is discovered that the algae-killing product (AlgaeBdead) that spilled in Lake Ontario also…

A: AlgaeBdead inhibits the growth of fungi in lake.

Q: Which factor is the LEAST responsible for bringing microbes onto plants? (Clue: quantitative) A.…

A: The most common microbes or plant pathogens are fungi or fungal-like organisms (FLOs), phytoplasmas,…

Q: ndustrial effluent from a metal processing factory released Cu into a nearby river without any…

A: Introduction The act of observing and measuring the state and continuing changes in ecosystems,…

Q: In New York, farmers typically have a 3 year crop rotation of corn – soybeans – green manure. A)…

A:

Q: 3. _______________ soils have very low bulk density compared with mineral soils. a. Organic c.…

A: Soil is the upper layer of the earth crust.

Q: Which of the following factors would explain why there is a decreasing trend of microbial population…

A: Bacterial growth occurs when a bacteria divides into two daughter cells, a process known as binary…

Q: Which of these occurs through symbiotic nitrogen fixation? a. The plant benefits from using an…

A: Any normal or mechanical cycle that causes free nitrogen (N2), which is a generally idle gas…

Q: Define the following terms as they apply to Microbial Ecology: a. Fixation b. Production

A: A. Microbial fixation means to transform the complex chemicals to simple absorbable form so that…

Q: Which essential chemical must be “fixed” by soil-dwelling bacteria before it can enter the food…

A: The essential chemical must be “fixed” by soil-dwelling bacteria before it can enter the food chain…

Q: 41. Which layer of soil is found above the bedrock and below the topsoil, is brightly colored…

A: There are various soil types, each with its unique set of features. Any soil has layers, or…