Description : The oxygen evolved during photosynthesis comes from water molecules . Which one of the following pairs of elemnets is involved in this reaction ?
Last Answer : The oxygen evolved during photosynthesis comes from water molecules . Which one of the ... Manganese and Potassium D. Magnesium and Molybdenum
Description : The oxygen evolved during photosynthesis, comes from water molecules. Which one of the following pairs of elements is involved in this reaction? (a) Magnesium and Molybdenum (b) Magnesium and Chlorine (c) Manganese and Chlorine (d) Manganese and Potassium
Last Answer : (c) Manganese and Chlorine
Description : The source of oxygen evolved during photosynthesis is
Last Answer : The source of oxygen evolved during photosynthesis is A. `H_(2)S` B. `H_(2)O` C. `CO_(2)` D. `HCO_(3)`
Description : During photosynthesis in plants, the gas evolved is - (1) Carbon dioxide (2) Nitrogen (3) Oxygen (4) Hydrogen
Last Answer : (3) Oxygen Explanation: Photosynthesis is a process used by plants and other organisms to convert the light energy captured from the sun into chemical energy that can be used to fuel the organism ... , through primary production, or indirectly, as the ultimate source of the energy in their food.
Description : During photosynthesis in plants, the gas evolved is (1) Carbon dioxide (2) Nitrogen (3) Oxygen (4) Hydrogen
Last Answer : Oxygen
Description : Essentiality of light in photosynthesis can be demonstrated by
Last Answer : Essentiality of light in photosynthesis can be demonstrated by A. Molles half leaf experiment B. ... C. Inverted funnel experiment D. KOH solution
Description : Genetic and biochemical similarities between contemporary cyanobacteria and eukaryoticchloroplasts are accepted to mean that A- .eukaryotes evolved from bacteria B- eukaryotes evolved from archaea C- . ... evolved in eukaryotes D- .cyanobacteria arose from chloroplasts which escaped from plant cells
Last Answer : eukaryotes evolved from archaea
Description : Which of the following statement(s) is/are true concerning ischemia reperfusion injury? a. During ischemia, ATP degradation results in increased plasma and intracellular levels of ... immunization with antibodies to neutrophil adhesive complex lessen the ischemic/reperfusion microvascular injury
Last Answer : Answer: a, b, c, d During the ischemia and hypoperfusion phase, degradation of ATP stores essential to maintain cell integrity and significant loss of diffusible ... either the neutrophil adhesive complex or the endothelial selectins dramatically lessens ischemia/reperfusion microvascular injury
Description : If a necrotizing soft tissue infection is considered, therapy mandates: a. Empiric administration of antibiotics active against gram-positive, gram-negative, and anaerobic bacteria b. Due to usually ... is mandatory d. The use of hyperbaric oxygen has been demonstrated to be clearly advantageous
Last Answer : Answer: a, c Identification of a necrotizing, soft tissue infection mandates immediate operative intervention with aggressive resection of all involved tissues and empiric ... remains without controlled trials demonstrating any additional benefits derived from hyperbaric oxygen therapy
Description : When zinc reacts with hydrochloric acid, the gas evolved is (a) Oxygen (b) Hydrogen (c) Chlorine (d) None of these
Last Answer : Ans:(b)
Description : When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is - (1) Hydrogen (2) Oxygen (3) Carbon dioxide (4) All of them
Last Answer : (3) Carbon dioxide Explanation: When baking soda and lemon juice are added together, the reaction of the two is an acid-based reaction because it involves an acid (citric acid in the lemon juice) ... , more commonly known as baking soda). Carbon dioxide, a gas, is produced by the reaction.
Description : Zinc granules on treating with an acid X, form the zinc sulphate (ZnSO4) salt along with the evolution of a gas Y which burns with a pop sound when brought near to a burning candle. Identify the acid X and ... (c). X- Sulphuric acid and Y- Hydrogen gas (d). X- Hydrochloric acid and Y- Hydrogen gas
Last Answer : (c). X- Sulphuric acid and Y- Hydrogen gas
Description : This early atmosphere was rich in CO2 and H2O. How did oxygen enter our atmosphere? (a) Meteorites. (b) From organisms that evolved to convert CO2 and H20 into sugars (energy), resulting in the waste product oxygen. (c) Volcanic emissions. (d) Methanogenic bacteria.
Last Answer : (b) From organisms that evolved to convert CO2 and H20 into sugars (energy), resulting in the waste product oxygen.
Description : When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is (1) Hydrogen (2) Oxygen (3) Carbon dioxide (4) All of them
Last Answer : Carbon dioxide
Description : Is space, time, demonstrated?
Last Answer : What do you mean “demonstrated”? And do you mean “spacetime”? If so then it’s all around you. Gravity is a result of spacetime.
Description : (2) stabilise the colloid and prevent crystallisation Explanation: Gelatine, being a colloid, has the property of preventing crystallization. In ice lollies and icecream this is demonstrated by the formation ... does not become grainy or sandy due to the slow crystallisation of lactose with time.
Last Answer : Glycol is added to aviation gasoline because it - (1) reduces evaporation of petrol (2) increases efficiency of petrol (3) prevents freezing of petrol (4) reduces consumption of petrol
Description : Semi-conservative replication of DNA was first demonstrated in (a) Escherichia coli (b) Streptococcus pneumoniae (c) Salmonella typhimurium (d) Drosophila melanogaster.
Last Answer : (c) Salmonella typhimurium
Description : Which among the following events occurred first ? (1) John Logy Baird demonstrated first television (2) Alexander Flemming discovered pencillin (3) Telecast of talking pictures on television by BBC (4) Jonas E. Salk developed first polio vaccine
Last Answer : John Logy Baird demonstrated first television
Description : In the first stage of photosynthesis, light energy splits water molecules leaving a by-product which is released. This byproduct is: a) hydrogen b) carbon dioxide c) oxygen d) methane
Last Answer : ANSWER: C -- oxygen
Description : Are any conclusions worth believing regardless of whether they can be demonstrated to be accurate?
Last Answer : For question #3: http://www.space.com/18737-nasa-satellite-sees-earth-breathe-video.html
Description : If Canada and the United States were to merge into one country, what best demonstrated practices of each country should be adopted by all?
Last Answer : I’m sure Americans would appreciate some better healthcare, and I’m sure Canada would appreciate our hardcore, unregulated capitalism lol…..Ok I’m just kidding, but I’m having a hard time thinking of something good the United States could offer….
Description : Can you explain why we should give citizenship status to people who have demonstrated a willingness to break our laws?
Last Answer : Actually, that sounds like a good idea to me. I’m no expert on immigration, but it seems to me that if they’re living here, they might as well be paying taxes and contributing to our society. I’m looking forward to these other responses.
Description : In your experience, has the pandemic exposed inequities has it demonstrated how people can come together in circumstances of need ?
Last Answer : Sure it's had a part in exposing inequities, it's very easy to see that the only people who have benefited from the pandemic are the rich, billionaire s only get richer while everyone else has only gotten poorer.
Description : Who firstly demonstrated experimentally the existence of electromagnetic wave? -General Knowledge
Last Answer : The answer is 'Hertz'
Last Answer : answer:
Description : which property of light is being demonstrated in this technique?
Last Answer : Reflection
Description : Who demonstrated that viruses are inert outside the host cell and can be crystallised?
Last Answer : Who demonstrated that viruses are inert outside the host cell and can be crystallised?
Description : What mixing method demonstrated in baking products?
Last Answer : 4.What mixing method demonstrated in baking products?
Description : In Pavlov's experiment with dogs in which he demonstrated classical conditioning which was the bell's ring called after being paired with the meat powder so that it now produced salivation?
Last Answer : conditioned stimulus
Description : Which of Newton's laws of motion is demonstrated when a car applies its brakes on an icy surface but the car continues to slide along the surface?
Last Answer : Newton's First Law: objects at rest tend to stay at rest,objects in motion tend to stay in motion. When the brakes areapplied, the friction with the road surface is the force that stopsthe car -- on ice, this friction is greatly reduced.
Description : In pavlovs experiment with dogs in which he demonstrated classincal conditioning what term defines the dogs salivation in response to only rhe ringing of the bell?
Last Answer : Feel Free to Answer
Description : What Chinese practice Demonstrated the believe that china were superior to other nations?
Description : What did The Pueblo Revolt of 1680 demonstrated?
Last Answer : What is the answer ?
Description : In Pavlov's experiment with dogs in which he demonstrated classical conditioning what term was used to indicate the dog's salivation when the meat powder was placed on its tongueIn Pavlov's experiment?
Description : What is the Atlantic Charter demonstrated American and British unity in?
Last Answer : Need answer
Description : What kind of sentence error is demonstrated below To children, animals are an important part of learning about life. Perhaps more important than any teaching.?
Last Answer : I don’t understand the question
Description : New treatment modalities designed to modulate host defense mechanisms that have been demonstrated conclusively to be of benefit include: a. Gut decontamination b. Anti-LPS antibody c. Anti-TNF antibody d. Thymopentin e. None of the above
Last Answer : Answer: e Selective gut decontamination involves the use of orally administered antibiotics that achieve a high intraluminal level directed against gram-negative aerobes and yeast, leaving ... but conclusive evidence that concurrent reduction of infection-related mortality occurs is not available
Description : Which of the following statements regarding fibroblasts and their function in wound healing are true? a. IL-1 has both inhibitory and promotional effects on fibroblast growth b. TNFa ... EGF (epithelial growth factor) has been demonstrated to accelerate epidermal regeneration in cutaneous wounds
Last Answer : Answer: a, d IL-1 appears to be important in the process of normal wound repair. IL-1 has been shown to stimulate skin fibroblast and keratinocyte growth, as well as ... that recombinant EGF enhances keratinocyte migration. EGF is also a potent chemoattractant for granulation tissue fibroblasts
Description : Which of the following factors have been demonstrated to promote wound healing in normal individuals? a. Vitamin A supplementation b. Vitamin C supplementation c. Vitamin E application to the wound d. Zinc supplementation e. None of the above
Last Answer : Answer: e Several important systemic factors or conditions influence wound healing. Interestingly, there are no known systemic conditions that lead to enhanced or more rapid wound healing. ... support the concept that supranormal provision of these factors enhance wound healing in normal patients
Description : Which of the following statement(s) is/are true concerning pharmacologic agents used to accelerate wound healing? a. A number of these agents are now currently approved for use in ... healing in chronic wounds d. Growth hormone functions by promoting fibroblast proliferation and collagen synthesis
Last Answer : Answer: b, c Currently there are no approved clinical agents that accelerate normal healing. Although a number of clinical trials are in progress, no agents are currently ... hormone administration significantly accelerates donor site healing, presumably due to its effects in minimizing catabolism
Description : Which of the following drugs has demonstrated in vitro activity against Mycobacterium avium-intracellular(MAI)? (a) Vancomycin (b) Clarithromycin (c) Erythromycin base (d) Troleandomycin (e) Erythromycin estolate
Last Answer : Ans: B
Description : Who among the following demonstrated experimentally that simple organic molecules like sugar s and amino acids could be produced from inorganic molecules if early earth atmosphere is created (a) Donald Brown (b) A.I. Oparin (c) Oscar Miller (d) Stanley Miller
Last Answer : Ans:(d)
Description : The proper method of connecting an ammeter in a circuit is demonstrated by which of the diagrams shown in the illustration? EL-0041 A. A B. B C. C D. All of the above
Last Answer : Answer: D
Description : Who firstly demonstrated experimentally the existence of electromagnetic wave?
Last Answer : Hertz
Description : Fat emboli are best demonstrated in the lungs by C A. PCR B. Chromatography C. Frozen section examination of tissues stained with Sudan red D. None of these
Last Answer : Frozen section examination of tissues stained with Sudan red
Description : Cellular totipotency was demonstrated by (a) Theodore Schwann (b) A.V. Leeuwenhoek (c) F.C. Steward (d) Robert Hooke.
Last Answer : (c) F.C. Steward
Description : Cellular totipotency is demonstrated by (a) only gymnosperm cells (b) all plant cells (c) all eukaryotic cells (d) only bacterial cells.
Last Answer : (b) all plant cells
Description : Dr. F. Went noted that if coleoptile tips were removed and placed on agar for one hour, the agar would produce a bending when placed on one side of freshly-cut coleoptile stumps. Of what ... . (c) It supports the hypothesis that IAA is auxin. (d) It demonstrated polar movement of auxins
Last Answer : (a) It made possible the isolation and exact identification of auxin.
Description : A level of regulation, demonstrated by the termination of transcription if tryptophan is abundant, by the tryptophan operon in E.coli cells is called A.activation B.attenuation C.corepression D.desiccation
Last Answer : B.attenuation