Description : The principle in microbiological assays is a. At certain range the concentration of growth factor will bear a linear relationship to the amount of nutrients added b. Concentration of growth factor have a linear relationship with the growth of the organism c. Both a and b d. None of the above
Last Answer : Ans: B
Description : The drug which either kill or prevent the growth of micro organism?
Last Answer : Antiseptics
Description : When the nurse observes the patient's urine to be orange, she further assesses the patient for a) intake of medication such as phenytoin (Dilantin). Urine that is orange may be caused by intake ... white urine may indicate infection, pyruria, or in the female patient, the use of vaginal creams.
Last Answer : a) intake of medication such as phenytoin (Dilantin). Urine that is orange may be caused by intake of Dilantin or other medications. Orange to amber colored urine may also indicate concentrated urine due to dehydration or fever.
Description : The action of concentrated sulfuric acid on sugar best described as: w) catalysis x) oxidation y) reduction z) dehydration
Last Answer : ANSWER: Z -- DEHYDRATION
Description : The daily total body water derived from oxidation of food stuffs is about (A) 100 ml (B) 300 ml (C) 600 ml (D) 1000 ml
Last Answer : Answer : B
Description : Mechanical digestion is the fragmentation of food aided by specialized physical structures, such as teeth, previous to extracellullar digestion. The mechanical fragmentation of food helps digestive ... there are mandibles and chewing muscles to triturate food previous to the chemical digestion.
Last Answer : Concerning extracellular digestion what is meant by chemical digestion?
Description : An egg sinks in soft water but floats in a concentrated solution of salt because – (1) Egg absorbs salt from the solution and expands (2) Albumin dissolves in salt solution and egg becomes lighter (3) The density of salt solution exceeds the density of eggs (4) Water has high surface tension
Last Answer : (3) The density of salt solution exceeds the density of eggs Explanation: Following the density principle, the density of the egg compared to the density of the tap water is lesser (the density principle ... and that is why an egg sinks in soft water but floats in a concentrated solution of salt.
Description : An egg sinks in soft water but floats in a concentrated solution of salt because (1) egg absorbs salt from the solution and expands (2) albumin dissolves in salt solution and egg becomes lighter (3) the density of salt solution exceeds the density of eggs (4) water has high surface tension
Last Answer : the density of salt solution exceeds the density of eggs
Description : Which one of the following food-stuffs of the same quantity possesses the highest calorific value? (1) Butter (2) Apple (3) Cheese (4) Sugar
Last Answer : (1) Butter Explanation: Calorific value refers to calories or thermal units contained in one unit of a substance and released when the substance is burned. Fats have higher calorific value than other food items. The ... items (per 100 gram) are: Butter: 740; Cheese: 310; Sugar: 405; and Apple: 45.
Description : Heat sensitive materials like certain pharmaceuticals and food stuffs can be dried in a/an __________ dryer. (A) Indirect tray (B) Spray (C) Freeze (D) None of these
Last Answer : (C) Freeze
Description : Which food stuffs contain cholesterol?
Last Answer : Non-vegetarian food.
Description : Give reason galvanized containers are not used for storing food stuffs.
Last Answer : Galvanized container contains zinc coating. Since Zn is more active metal it readily reacts with the acids present in the food stuffs forming Zn compounds which are highly poisonous & it may poison the food stuffs. Therefore galvanized containers can not be used for storing food stuff.
Description : An antibiotic is - (1) achemical synthesized by a human cell against a microorganism (2) a chemical synthesised by amicro-organism against another micro-organisms (3) a substance produced by blood cells against bacteria (4) a substance produced by blood cells against infection.
Last Answer : (2) a chemical synthesised by amicro-organism against another microorganisms Explanation: An antibacterial is an agent that inhibits bacterial growth or kills bacteria. The term is often used ... by a microorganism that is antagonistic to the growth of other microorganisms in high dilution.
Description : Virus in a computer is a (1) Chemical that attacks silicon (2) Micro-organism that disturbs integrated circuits (3) Programme that damages the computer software (4) None of the above
Last Answer : Programme that damages the computer software
Description : A computer virus is (1) a chemical that attacks silicon. (2) a micro-organism that destroys integrated circuits. (3) data that the computer fails to handle. (4) a special kind of computer programme.
Last Answer : a special kind of computer programme.
Description : An antibiotic is (1) a chemical synthesized by a human cell against a microorganism (2) a chemical synthesised by a micro-organism against another micro-organisms (3) a substance produced by blood cells against bacteria (4) a substance produced by blood cells against infection.
Last Answer : a chemical synthesised by a micro-organism against another micro-organisms
Description : Pick out the wrong statement. (A) In a multistep reaction, the slowest step is the rate determining step (B) In general, the rate of a reaction becomes triple for every 10°C rise in temperature (C ... energy (D) Molecularity of a reaction cannot be zero but the order of a reaction can be zero
Last Answer : (B) In general, the rate of a reaction becomes triple for every 10°C rise in temperature
Description : Coke is made by heating coal in the absence of air at: A. 700 °C B. 1300 °C C. 900 °C D. 1700 °C ANSWER: Most of the ozone in the atmosphere is concentrated in the _____ A. Mesosphere B. Troposphere C. Stratosphere D. Ionosphere
Last Answer : ANSWER: C
Description : Can you trust the landlord who promise to clear out his stuffs in the flat you are going to rent?
Last Answer : answer:Have the Landlord put it in writing that the items will be moved by ______ date. Do you get a move in report or checklist at the time you move in? If so, add a letter to it stating all of ... off. This would not be legal here in most states, as the apartment must be cleaned prior to move in.
Description : Do you collect wierd stuffs?
Last Answer : answer:a have a fossil of somekind from an insect. And a shark tooth.
Description : Nutrients are recycled in the atmosphere with the help of certain micro-organisms referred to as (1) producers (2) consumers (3) decomposers (4) None of these
Last Answer : decomposers
Description : The concept of sustainable development encourages A. Form of growth that meets current basic needs B. Preservation of the resources for the need of future generation C. A change in all respects of ... to meet current needs, preservation for the needs of future and change in all respects of life
Last Answer : D. Growth to meet current needs, preservation for the needs of future and change in all respects of life
Description : Circulation is the movement of substances like nutrients and gases within blood vessels and cavities throughout the organism.
Last Answer : Do all animals have a circulatory system?
Description : Competition for light, nutrients and space is most severe between (a) closely related organism growing in different niches (b) closely related organisms growing in the same area/niche (c) ... organisms growing in the same habitat (d) distantly related organisms growing in different niches.
Last Answer : b) closely related organisms growing in the same area/niche
Description : A balanced diet contains (a) Animal protein (b) Macro and micronutrients (c) Food nutrients for growth and maintenance (d) Butter and ghee
Last Answer : Ans:(c)
Description : The reactions of `CI_(2)` gas with cold-dilute and hot-concentrated NaOH in water give sodium salts of two different oxioacids of chlorine, P and Q, r
Last Answer : The reactions of `CI_(2)` gas with cold-dilute and hot-concentrated NaOH in water give sodium salts of ... `H_3PO_2` D. `SOCl_2 , PCl_5` and `H_3PO_5`
Last Answer : The reactions of `CI_(2)` gas with cold-dilute and hot-concentrated NaOH in water give ... porchloric acids D. (D) chloric and hypochlorus acids
Description : What is an antibiotic? (1) A chemical compound produced by a living organism that inhibits the growth of other organisms (2) Acompound synthesised by a living organism that inhibits the ... compound inhibiting the growth of other organisms (4) Asynthetic compound inhibiting the growth of bacteria
Last Answer : (4) Asynthetic compound inhibiting the growth of bacteria Explanation: Antibiotics, also known as antimicrobial drugs, are drugs that fight infections caused by bacteria. Alexander Fleming discovered the ... (not produced by microorganisms) that can also kill or inhibit the growth of microbes.
Description : What is an antibiotic ? (1) A chemical compound produced by a living organism that inhibits the growth of other organisms (2) A compound synthesised by a living organism that inhibits the ... compound inhibiting the growth of other organisms (4) A synthetic compound inhibiting the growth of bacteria
Last Answer : A synthetic compound inhibiting the growth of bacteria
Description : Cement is made hard with (1) dehydration (2) hydration and dissociation of water (3) Dissociation of water (4) Polymerisation
Last Answer : hydration and dissociation of water
Description : Hyperthermophiles are micro organism which live at ____________. a) temperatures between 80^o-122^0 c)cold desert b) very low temperatures d)salt water lake
Last Answer : a) temperatures between 80^o-122^0
Description : Name the part of a biogas plant where reactions take place in the absence of oxygen. -Science
Last Answer : Digester chamber.
Description : In what type of chemical reaction are the products of water removed during the formation of covalent bonds? a. Hydrolysis b. Ionization c. Dehydration synthesis d. Decomposition
Last Answer : c. Dehydration synthesis
Description : Who discovered Micro Organism?
Last Answer : Anton Van Leeuwenhoek (1675)
Description : In human `_______________` is a small blind sac which hosts some symbiotic micro-organism.
Last Answer : In human `_______________` is a small blind sac which hosts some symbiotic micro-organism. A. Caecum B. Colon C. Rumen D. All of these
Description : What is the scientific name of a micro-organism?
Last Answer : Need answer
Description : Micro-organism,which can grow at higher temperature, is called a. Mesophils b. Phycrophils c. Thermophils d. None of these
Last Answer : c. Thermophils
Description : Thermophilic micro-organism grow well at temperature– 1) 10°C – 20°C 2) 20°C – 40°C 3) 50°C – 60°C 4) 5°C – 7°C
Last Answer : 3) 50°C – 60°C
Description : Biofertilizers are – 1) Organic manures 2) Green manure 3) Culture of micro-organism 4) None of these
Last Answer : 3) Culture of micro-organism
Description : Who has first time seen the micro-organism? a) Robert Koch b) John Tyndall c) Antonie van Leeuwenhoek d) Louis Pasteur
Last Answer : d) Louis Pasteur
Description : Micro-organism,which can grow at higher temperature, is called a) Thermophils b) Mesophils c) Phycrophils d) None of these
Last Answer : a) Thermophils
Description : Micro organism which monitor the air pollution
Last Answer : Lichen
Description : At birth, the oral cavity usually contains: A. S. mutans only B. No micro organism C. S. mutans and S. salivavis D. Lactobacilli and S. mutans
Last Answer : B. No micro organism
Description : Which is TRUE about disinfectant solutions:** A. It destroys all pathogenic micro organism including high resistant B. It reduces the number of micro organism to a non infective level C. It kills all pathogens but not spores.
Last Answer : B. It reduces the number of micro organism to a non infective level
Description : 442.Which is TRUE about disinfectant solutions:** A. It destroys all pathogenic micro organism including high resistant B. It reduces the number of micro organism to a non infective level C. It kills all pathogens but not spores.
Description : The causative micro organism for Herpetic gingivostomatitis is: A. Herpes simplex bacteria B. Herpes simplex virus C. Herpes zoster virus D. Borrelia vincentii
Last Answer : B. Herpes simplex virus
Description : What is Miller’s theory about A. Acidogenic micro-organism B. Proteolytic
Last Answer : A. Acidogenic micro-organism
Description : Many microbes can effect the chemical process of (a) Dehydration (b) Decomposition (c) Fermentation (d) Polymerisation
Description : All the following are chemical parameters considered when selecting an antiseptic or disinfectant except: a. Dehydration. b. Temperature. c. Stability. d. Ph
Last Answer : b. Temperature.