Description : What oxygen producing organism would remain if all the forests were destroyed?
Last Answer : The forests are a distant second to the primary oxygenproduction source, which is the phytoplankton found in the world'soceans and seas.
Description : What are the main reasons for deforestation? Suggest measures to conserve forests. -Geography 9th
Last Answer : Clearing forests for agriculture, human habitation, construction of industries etc. Over grazing by domestic animals. Excessive felling of trees. Destruction of wildlife. Desertification.
Description : When oil and gas resources are burnt they kill many forests and lakes by -------- ? A. deforestation B. water pollution C. acid rain (Answer) D. forest fire
Last Answer : C. acid rain (Answer)
Description : In Which kind of organisms is the phenomenon found wherein the female kills the male after copulation? -Do You Know?
Last Answer : answer:
Description : In Which kind of organisms is the phenomenon found wherein the female kills the male after copulation?
Last Answer : Spider
Description : Man can maintain an ecological balance in the biosphere by- (1) deforestation (2) developing new breeds of cultivated plants and domesticated animals (3) using insecticides and pesticides (4) understanding the delicate balance in the relative number of organisms
Last Answer : (4) understanding the delicate balance in the relative number of organisms Explanation: Ecological balance is a state of dynamic equilibrium within a community of organisms in which genetic ... this balance, the delicate balance between the organisms constituting and ecosystem should be understood.
Description : Man can maintain an ecological balance in the biosphere by (1) deforestation (2) developing new breeds of cultivated plants and domesticated animals (3) using insecticides and pesticides (4) understanding the delicate balance in the relative number of organisms
Last Answer : understanding the delicate balance in the relative number of organisms
Description : In which of the following cases no notice is required to be given to adverse pary before producing secondary documentary evidence? a) When original is destroyed b) When original is immovable c) When original is electronic record d) When original is in possession of adverse party
Last Answer : d) When original is in possession of adverse party
Description : Which of the following is not true regarding enzymes? (A) They catalyze only a particular type of reaction (B) They remain active even after separation from the source (C) They are destroyed ... They are irreversibly destroyed at high temperature (E) Their activity depends on the pH of the solution
Last Answer : Answer : C
Description : When eggs are cooked (A) Biotin is destroyed but avidin remains unaffected (B) Avidin is inactivated but biotin remains unaffected (C) Both avidin and biotin are inactivated (D) Both avidin and biotin remain unaffected
Last Answer : Answer : B
Last Answer : (B) Avidin is inactivated but biotin remains unaffected
Description : Pick out the wrong statement. (A) Caustic embrittlement of boiler's metallic parts is caused by highconcentration of caustic soda in boiler feed water (B) Cooling and freezing of water kills the ... goes on decreasing (D) Dissolved oxygen content in high pressure boiler feed water should be nil
Last Answer : (B) Cooling and freezing of water kills the bacteria present in it
Description : Which part of the world has a high density of organisms? (a) Deciduous forests (b) Tropical rainforests (c) Grasslands (d) Savannah
Last Answer : (b) Tropical rainforests
Description : Which one of the following organisms is scientifically correctly named, correctly printed according to the International Rules of Nomenclature and correctly described? (a) Musca domestica - the common ... ) E.coli - full name Entamoeba coli, a commonly occurring bacterium in human intestine.
Last Answer : (b) Plasmodium falciparum - a protozoan pathogen causing the most serious type of malaria
Description : The disease causing organisms identified by this name have nothing to do with trees or forests. The name actually connects the organism directly to their vectors. What term are we looking for?
Last Answer : Arboviruses.
Description : Varieties of vegetables such as cabbage, broccoli and cauliflower have been produced from a wild cabbage species. Such process of producing new varieties of living organisms is called (1) Natural selection (2) Artificial selection (3) Speciation (4) Genetic drift.
Last Answer : (2) Artificial selection
Description : Select the drug which is active against a variety of diarrhoea producing organisms like Giardia, Shigella, Salmonella as well as S. typhi and Trichomonas vaginalis, but is not a first line treatment for any of these: A. Metronidazole B. Mepacrine C. Cotrimoxazole D. Furazolidone
Last Answer : D. Furazolidone
Description : Amoxicillin + Clavulanic acid is active against the following organisms except: A. Methicillin resistant Staph. aureus B. Penicillinase producing Staph. aureus C. Penicillinase producing N.gonorrhoeae D. β-lactamase producing E.coli
Last Answer : A. Methicillin resistant Staph. aureus
Description : Many living organisms exhibit the unique property of producing visible light. The compound that is oxidized with subsequent light emission is usually referred to as luciferin. What is the enzyme which catalyzes the reaction known as?
Last Answer : ANSWER: Luciferase
Description : Many living organisms exhibit the unique property of producing visible light. What term is used to describe this phenomena?
Last Answer : ANSWER: Bioluminescence or photoluminescence
Description : Cancerous cells can easily be destroyed by radiations due to (a) rapid cell division (b) lack of nutrition (c) fast mutation (d) lack of oxygen
Last Answer : (a) rapid cell division
Description : $ the sum total of anabolic and catabolic activities is called metabolism ! Organisms with positive metabolism remain healthy.
Last Answer : $ the sum total of anabolic and catabolic activities is called metabolism ! Organisms with positive metabolism ... D. If both As and R are wrong.
Description : Maximum oxygen is available from – (1) Deserts (2) Green forests (3) Grass lands (4) Phytoplanktons
Last Answer : (4) Phytoplanktons Explanation: Most of Earth's oxygen comes from tiny ocean plants - called phytoplankton - that live near the water's surface and drift with the currents. Like all ... phytoplankton contribute between 50 to 85 percent of the oxygen in Earth's atinctspbere (National Geographic)
Description : Which one of the following is not a matter a global concern in the removal of tropical forests ? (A) Their ability to absorb the chemicals that contribute to depletion of ozone layer ... , moisture content and reflectivity. (D) Their contribution to the biological diversity of the planet.
Last Answer : (A) Their ability to absorb the chemicals that contribute to depletion of ozone layer.
Description : Maximum oxygen is available from : (1) Deserts (2) Green forests (3) Grass lands (4) Phytoplanktons
Last Answer : Phytoplanktons
Description : What one word completes the sentence white blood cells help to defend against infection by producing antitoxins and by ingesting pathogens. they also produce _____ that help defend against infection.?
Last Answer : Antitoxins
Description : Chlorine free radicals react with methane by : (a) donating their free-radical electron to methane to form chloromethane. (b) abstracting a hydrogen atom from methane, and producing ... produce chloromethane. (d) forming a carbonium ion intermediate that rapidly dissociates to form chloromethane
Last Answer : abstracting a hydrogen atom from methane, and producing HCl and a methyl radical
Description : Which of the following is NOT a best practice for producing content? A. To produce remarkable content frequently, create hero "content for tent-pole events." B. To produce valuable content ... helpful specifics. D. To produce relevant content consistently, create help" content to answer queries."
Last Answer : C. To produce more content that your competitors, create lots of articles that are short, unsubstantial, or otherwise lacking in helpful specifics
Description : Most operations Most operations produce a mixture produce a mixture of both of both products & products & services. Which services. Which of the following following businesses is closet to producing pure ... a) Steel company company b) A Restaurant A Restaurant c) Counselor/therapist d) IT company
Last Answer : c) Counselor/therapist
Description : When marginal cost is equal to marginal revenue, the firm should A)produce more to increase profits. B)produce less to decrease total costs. C)stop producing additional units to maximise profits. D)provide discounts to encourage purchases.
Last Answer : C)stop producing additional units to maximise profits.
Description : In a nuclear power reactor, fission produces heat which is used to produce electricity. A reactor producing more fissionable material than it consumes is known as what kind of reactor?
Last Answer : ANSWER: BREEDER REACTOR
Description : When a government exercises the death penalty and kills a criminal, would you say they were murdered?
Last Answer : No. I’d say they were executed.
Description : If a forest is producing enough oxygen for both the plant and animals in the forest to use is there more photosynthesis happening within plants?
Last Answer : What is the answer ?
Description : Measuring Biochemical Oxygen Demand (BOD) is a method used for (a) estimating the amount of organic matter in sewage water (b) working out the efficiency of oil driven automobile engines ... commercial scale (d) working out the efficiency of RBCs about their capacity to carry oxygen.
Last Answer : (a) estimating the amount of organic matter in sewage water
Description : Measuring Biochemical Oxygen Demand (BOD) is a method used for (a) estimating the amount of organic matter in sewage water (b) working out the efficiency of oil driven automobile engines (c) ... a commercial scale (d) working out the efficiency of RBCs about their capacity to carry oxygen.
Description : The baking and brewing yeasts a. Belong to the genus Aspergillus. b. Break down glucose and other carbohydrates. c. Induce bread to rise by producing oxygen gas. d. Cause serious diseases in humans.
Last Answer : b. Break down glucose and other carbohydrates.
Description : Frasch process is for (A) Making oxygen (B) Producing helium (C) Mining sulphur (D) Making nitrogen
Last Answer : (C) Mining sulphur
Description : 72. Measuring Biochemical Oxygen Demand (BOD) is a method used for (1) Working out the efficiency of R.B.Cs. about their capacity to carry oxygen (2) Estimating the amount of ... driven automobile engines (4) Measuring the activity of Sacccharomyces cerevisae in producing curd on a commercial scale
Last Answer : Estimating the amount of organic matter is sewage water
Description : The first photosynthetic oxygen liberating organisms to appear on earth were (1) Cyanobacteria (2) Bryophytes (3) Green algae (4) Bacteria
Last Answer : (1) Cyanobacteria Explanation: Cyanobacteria or blue green algae were the photosynthetic organisms that lived in the ancient ocean. It liberated the oxygen found in the iron oxide.
Description : Following are the two statements regarding the origin of life. (A) The earliest organisms that appeared on the earth were non-green and presumably anaerobes. (B) The first autotrophic organisms were the chemoautotrophs that ... ) is correct but (B) is false. (d) (B) is correct but (A) is false.
Last Answer : (a) Both (A) and (B) are correct.
Description : Name the organisms that produce Cry proteins. -Biology
Description : Gram negative organisms are largely insensitive to benzyl penicillin because (a) They produce large quantities of penicillinase (b) They do not utilize D-alanine whose incorporation in the cell wall is ... lipoprotein-peptidoglycan multiplayer cell wall of gram-negative bacteria (d) Both (a) and (b)
Last Answer : Ans: C
Description : Which of the following organisms is most likely to produce green-house gases such as nitrous oxide and methane? (1) Fungi (2) Earthworm (3) Bacteria (4) Green plants
Last Answer : (4) Green plants Explanation: When it comes to greenhouse gases many of us think first of CO2. But a large proportion of global greenhouse gas emissions are actually other gases, ... from fertilisers and methane mostly from cows. In peat pasture areas these emissions are particularly prevalent.
Description : Clostridial organisms produce B A. endotoxins B. exotoxins C. calcium D. None of the these
Last Answer : exotoxin
Description : Match the following organisms with the products they produce. (A) Lactobacillus (i) Cheese (B) Saccharomyces (ii) Curd cerevisiae (C) Aspergillus niger (iii) Citric acid (D) Acetobacter aceti (iv) Bread (v) Acetic acid Select the correct ... v) (iii) (c) (ii) (iv) (iii) (v) (d) (iii) (iv) (v) (i)
Last Answer : c) (ii) (iv) (iii) (v)
Description : Select the correct combination of the statements (i-iv) regarding the characteristics of certain organisms. (i) Methanogens are archaebacteria which produce methane in marshy areas. (ii) Nostoc is a filamentous blue-green alga which fixes ... iii) (c) (ii), (iii) and (iv) (d) (i), (ii) and (iv).
Last Answer : (d) (i), (ii) and (iv)
Description : What is true about smokers, A. Causes immunosuppression B. Increased redox potential favours growth of anaerobic organisms C. Defects neutrophil function and characteristics D. Can produce smokers palate but rarely metaplasia
Last Answer : A. Causes immunosuppression
Description : A rule-of-thumb for the numbers of organisms required to produce toxins or to produce desired or undesired flavors is one million per ____. a. ounce c. gram b. kilogram d. pound
Last Answer : c. gram
Description : Gram negative organisms are largely insensitive to benzyl penicillin because: A. They produce large quantities of penicillinase B. They do not utilise D-alanine whose incorporation in the cell wall is inhibited ... multilayer cell wall of gram negative bacteria D. Both A' and B' are correct
Last Answer : . Benzyl penicillin is not able to penetrate deeper into the lipoprotein-peptidoglycan multilayer cell wall of gram negative bacteria
Description : Which of the following organisms is most likely to produce greenhouse gases such as nitrous oxide and methane? (1) Fungi (2) Earthworm (3) Bacteria (4) Green plants
Last Answer : Green plants