Description : Where do certain symbiotic microorganisms normally occur in human body? (a) Caecum (b) Oral lining and tongue surface (c) Vermiform appendix and rectum (d) Duodenum
Last Answer : (a) Caecum
Description : Food must be moist, with a minimum water content of _____before contamination by microorganisms and spoilage can occur. a. 18% to 20% b. 10 to 15% c. 5 to 10% d. 0 to 5%
Last Answer : a. 18% to 20%
Description : Under certain circumstances, the gut may become a source of sepsis and serve as the motor of systemic inflammatory response syndrome. Microbial translocation is the process by which microorganisms ... intestinal mucosal permeability c. Decreased host defense mechanisms d. Lack of enteral feeding
Last Answer : Answer: a, b, c, d 99 Translocation is promoted in three general ways: 1) altered permeability of the intestinal mucosa as caused by shock, sepsis, distant injury, or cell toxins; 2) ... trauma patient d. Fifty percent of non-nitrogen caloric requirements should be provided in the form of fat
Description : Nutrients are recycled in the atmosphere with the help of certain microorganisms referred to as - (1) producers (2) consumers (3) decomposers (4) None of these
Last Answer : (3) decomposers Explanation: Decomposers recycle nutrients in the atmosphere.
Description : Which one of the following acts as a physiological barrier to the entry of microorganisms in human body? a) Epithelium of Urogenital tract b) Tears c) Monocytes d) Skin
Last Answer : b) Tears
Description : Spoiled food can be caused from _____. a. enterotoxins in food b. contaminating microorganisms from the air c. human food handling d. A-C are correct
Last Answer : d. A-C are correct
Description : How does the body prevents the entry of microorganisms?
Last Answer : Need answer
Description : How does the body defend itself from microorganisms and other harmful substances that enter the airway during the breathing process?
Last Answer : The epithelium of the airway is a ciliated epithelium and has mucussecreting specialized cells. The secreted mucus covers the internal wall of the airway retaining organisms and foreign ... (sputum) and accidentally aspired objects. Breathing Process Review - Image Diversity: airway epithelium
Description : If the three-phase motor, shown in the illustrated schematic diagram, is running in the forward direction, which of the following actions must occur before the motor will reverse rotation? EL-0011 A. Normally-closed ... 'L1' and 'L3' must be interchanged via the 'R' contacts. D. All of the above.
Last Answer : Answer: C
Description : Which of the following conditions is most likely to occur if a single element fuse were used to replace a blown dual element fuse in a motor controller circuit? A. The fuse will blow when the motor ... overheats at high motor loads. C. The motor runs at reduced voltage. D. The motor runs normally.
Last Answer : Answer: A
Description : The oncogene theory states that transforming genes a. Normally Occur In The Host Genome. b. Can Exist In Viruses. c. Are Not Of Viral Origin. d. All Of The Above (A—C) Are Correct.
Last Answer : d. All Of The Above (A—C) Are Correct
Description : Light is normally incident on a thin soap film and is reflected. If the wavelength of this light is "L" and the index of refraction of the soap film is "N", complete destructive interference will occur for a film thickness of: w) L / 8N x) L / 4N y) L / 2N z) 3L / 4N
Last Answer : ANSWER: Y -- L / 2N
Description : Which of the following elements does not normally occur as a diatomic molecule? w) hydrogen x) chlorine y) argon z) oxygen
Last Answer : ANSWER: Y -- ARGON
Description : If our physical appearance never changed past a certain age, yet we continued to age normally, how would this visual perception effect the world? or you?
Last Answer : People would be surprised when you dropped dead of old age or behaved in a senile fashion. Besides, with enough plastic surgery your fantasy is real today.
Description : Normally a performance bond, depending upon the state, only stipulates that the contractor will guarantee the work for a certain period of time. Answer: D (8)Which contract type places the most risk on ... fee 3. Cost plus fixed fee 4. Fixed price plus incentive fee 5. Firm fixed price
Last Answer : 5. Firm fixed price
Description : Identify the site where Wuchereria bancrofti is normally found in human body. (a) Muscles of the legs (b) Blood vessels of the thigh region (c) Skin between the fingers (d) Lymphatic vessels of the lower limbs
Last Answer : (d) Lymphatic vessels of the lower limbs
Description : 8. Write a short paragraph on the harmful effects of microorganisms. -Science
Last Answer : Microorganisms cause diseases in plants and animals Ex; Cholera in humans is caused by bacteria called Vibrio cholera. In animals, the virus causes foot and mouth diseases. ... food material. Some microorganisms spoil leather and clothes. Microorganisms are responsible for food poisoning.
Description : 7. Write 10 lines on the usefulness of microorganisms in our lives. -Science
Last Answer : Uses of microorganisms are listed below They are helpful in cleaning up of the environment. For example, the organic wastes (vegetable peels, remains of animals, faeces, etc.) are broken ... can be used to degrade the harmful and smelly substances and thereby clean up the environment.
Description : 6. Name the microorganisms which can fix atmospheric nitrogen in the soil. -Science
Last Answer : Rhizobium is the answer
Description : 5. What are the major groups of microorganisms? -Science
Last Answer : Major group of microorganisms are as follows Bacteria Fungi Protozoans Algae Viruses
Description : 4. Can microorganisms be seen with the naked eye? If not, how can they be seen? -Science
Last Answer : Microorganisms cannot be seen by the naked eye because they are very small. They can be seen by using a microscope.
Description : Write a short paragraph on the harms caused by microorganisms. -Biology
Last Answer : Microorganisms are harmful to us in many ways. For example, microorganisms, called pathogens cause disease in humans, plants and animals. Pathogens or germs enter a healthy body through air, ... poisonous causing serious illness and even death. This food-borne illness is called food poisoning.
Description : Write 10 lines on the usefulness of microorganisms in our lives. -Biology
Last Answer : Microorganisms are useful to us in many ways. For example, Bacteria like Lactobacillus convert milk into curd. Bacteria are also involved in the making of cheese. Acetobacter aceti is used ... Some microorganisms are taken as probiotics, that are believed to provide health benefits when consumed.
Description : Name the microorganisms which can fix atmospheric nitrogen in the soil. -Biology
Last Answer : Rhizobium, Clostridium and Azotobacter.
Description : role of microorganisms in environment cleaning and sewage treatment -Biology
Last Answer : answer:
Description : How many types of microorganisms ?
Last Answer : 3 types of microorganisms.
Description : Why are microorganisms called protozoa ?
Last Answer : It is thought that life began at the beginning of creation from microorganisms. That is why microorganisms are also called protozoa.
Last Answer : The microorganisms that cause diseases are called pathogens
Description : The soil pollutants that affects the food chain and food web by killing microorganisms and plants are:
Last Answer : The soil pollutants that affects the food chain and food web by killing microorganisms and plants ... . Agricultural wastes C. Pesticides D. Pathogens
Description : What is the Describe the conditions which promote growth of microorganisms?
Description : What is the bean shaped organ above that filters out microorganisms and foreign materials taken up by lymphocytes?
Last Answer : The answer is: D) lymph node.
Description : Why do microorganisms grow everywhere?
Last Answer : They have found a way to adapt or evolve to most environments.Besides, they don't grow everywhere, some just exist until thingschange for the better.
Description : What is microorganism's?
Last Answer : A microorganism is a small, typically single-celled organism,such as a bacterium, virus, fungus, or algae, that is small enoughto require a microscope to observe it.
Description : How does the release of carbon dioxide by microorganisms benefit plant life?
Description : Do microorganisms taking oxygen from an animal's blood are a helpful form of symbiosis?
Last Answer : I am not sure about the the quality of the answer. I am not sureabout the truthfulness of my answer. But i believe that it is true.The life has begun some three and half years back. It has ... harmful. I believethat all the natural things were good for you. It is better to beas natural as possible.
Description : Plants and plantlike microorganisms?
Last Answer : plants and plantlike microorganisns are PRODUCERS.
Description : Erythrocytes under normal conditions and microorganisms under anaerobic conditions may accumulate (A) NADPH (B) Pyruvate (C) Phosphoenolpyruvate (D) Lactate
Last Answer : Answer : D
Description : Which of the following is used for killing microorganisms in food?
Last Answer : Ans. Heat processing
Description : Which of the following statement(s) concerning the gut microflora is/are correct? a. Gut microflora evolves constantly throughout development b. The gut microflora can contribute to the physical and ... the colon, anaerobic organisms outnumber aerobic organisms in a ratio in excess of 100:1
Last Answer : Answer: b, d The composition of the gut microflora is established in neonates after ingestion of microbes that are acquired during contamination from the birth canal and during initial feeding, and ... small number of aerobes are present, these microbes being outnumbered 100-300 to 1 by anaerobes
Description : The first line of host defense is the barrier presented to the external environment. Which of the following statement(s) is/are true concerning host barriers? a. Sebaceous glands secrete ... of the upper gastrointestinal tract d. Gut peristalsis serves to prevent microbial adherence and invasion
Last Answer : Answer: b, c, d The skin, mucus membranes, and epithelial layers of various organs of the body constitute effective physical barriers against microbial invasion. In certain portions of the ... very low pH within the stomach and gut peristalsis both serve to prevent microbial adherence and invasion
Description : Minimum growth temperature is a. The growth of organisms at lowest temperature b. The lowest temperature at which the microorganisms grow c. The maximum temperature at which the growth is stable d. None of these
Last Answer : Ans: B
Description : Two richest known sources of edible protein are - (1) meat and eggs (2) milk and vegetables (3) soyabean and groundnut (4) some type of algae and other microorganisms
Last Answer : (3) soyabean and groundnut Explanation: The richest sources of protein are animal foods such as chicken, meat, fish, cheese and eggs. However, plant proteins are believed to be healthier because of their lower fat content.
Description : The waste management technique that involves the use of microorganisms to remove or neutralize pollutants from contaminated site is called (1) Bio sensor (2) Bio magnification (3) Bio remecliation (4) Bio concentration
Last Answer : (3) Bio remecliation Explanation: Bioremediation is a waste management technique that involves the use of organisms to remove or neutralize pollutants from a contaminated site. It uses naturally occurring ... non-toxic substances. There are two classes of bioremediation used In situ and Ex situ.
Description : Which of the following microorganisms is used in milk curdli – (1) Acetobacter (2) Leticonost (3) Bacillus (4) Lactobacillus
Last Answer : (4) Lactobacillus Explanation: Lactobacillus is used in milk curdling. It is a genus of Gram positive facultative anaerobic or microaciophilic rodshaped bacteria.
Description : Production of alcohol from organic compounds by microorganisms is known as (1) Combustion (2) Fermentation (3) Anaerobic: respiration (4) Aerobic respiration
Last Answer : (3) Anaerobic: respiration Explanation: The process of breaking down large molecules into simpler one in the presence of enzyme is called fermentation.
Description : Free-living nitrogen fixing microorganisms are - (1) Rhizobia (2) Soil fungi (3) Vesicular arbuscular mycorrhiza (4) Blue green algae
Last Answer : (1) Rhizobia Explanation: Rhizobia are soil bacteria that fix nitrogen (diazotrophs) after becoming established inside root nodules of legumes. Rhizobia require a plant host; they cannot independently fix nitrogen. In general, they are Gram-negative, motile, non-sporulating rods.
Description : Which microorganisms are involved in the pickling process in food production?
Last Answer : In the pickling process, microorganisms grow and ferment the food in a salty environment while producing large amounts of acid from available carbohydrates. Species of Leuconostoc and Lactobacillus are ... . Different spices are added to prepare various forms of sauerkraut and pickled cucumbers.
Description : How do microorganisms influence the carbon cycle on Earth?
Last Answer : Most of the organic matter present in soil originates in plant material from leaves, rotting trees, decaying roots, and other tissues. In the carbon cycle, soil bacteria and fungi recycle ... suffer an irreversible decline as the nutrients essential for life became tied up in complex molecules.
Description : Are there any unique ways that humans derive benefits from microorganisms?
Last Answer : Humans derive substantial benefits from the activities of microorganisms. For example, many microbial species live in and on various parts of the body and prevent pathogenic bacteria from gaining a ... and used to produce vitamins, enzymes, organic acids, and other essential growth factors.