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Doctors Medicines MCQs Q&A

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Consider the following statement- I. Sodium hydroxide is used to remove grease stains from cloths. II Calcium hydroxide is used in the manufacture of wax. III. Ammonium hydroxide is used in the white washing of buildings. IV. Magnesium hydroxide is used as a medicine for stomach troubles.
‘RNA interference (RNAi)’ technology has gained popularity in the last few years. Why? 1. It is used in developing gene silencing therapies. 2. It can be used in developing therapies for the treatment of cancer. 3. It can be used to develop hormone replacement therapies. 4. It can be used to produce crop plants that are resistant to viral pathogens. Select the correct answer using the code given below.
'RNA interference (RNAi)' technology has gained popularity in the last few years. Why? 1. It is used in developing gene silencing therapies 2. It can be used in developing therapies for the treatment of cancer. 3. It can be used to develop hormone replacement therapies. 4. It can be used to produce crop plants that are resistant to viral pathogens. Select the correct answer using the code given below.
A, B and C are 3 small pumps fitted to a tank. D is a large pump fitted to the tank. B is 50% more efficient than A. C is 33.33% more efficient than B. D is 50% more efficient than C. All of the pumps are used to fill the tank. Find the ratio of the time taken by all the pumps to fill the tank when pump D is used to empty the tank and other are used to fill the tank to the time taken when all are used to fill the tank?
While Rani was making tea, the ratio of milk and water used was 3 ∶ 2. Rani used 100 ml milk. The amount of milk used by Ritu was 5% less than that of Rani and same amount of water was used. If Ritu made 8 cups of tea, how many more cups did Rani make?
Match the following classification of glasses with their specific uses: a. Soda lime glass 1. Used in the manufacturing of glass articles which have to withstand high temperatures. b. Potash lime glass 2. Used in the manufacturing of artificial gems, electric bulbs, lenses, Prisms, etc. c. Potash lead glass 3. Used in the manufacturing of glass tubes, laboratory apparatus, plate glass, window panels, etc. d. Common glass 4. Used in the manufacturing of medicine bottles
Which of the following are wrong? I.Na2CO3 is used in softening hard water II.NaHCO3 is used for bleaching cotton and linen in the textile industry III.CaSO4 H2O is used for plastering fractured bones IV.CaOCl2 is used in the making baking powder
Which of the following statements is/are correct? Statements: (1) Convex mirrors are used as rearview mirrors in cars, motorcycles, scooters etc. (2) Concave mirrors are used by doctors to focus light inside the ear or mouth for medical examination. (3) Convex mirrors are used by dentists to see enlarged images of patients’ teeth. (4) Concave mirrors are used for shaving purpose
IUPAC name: Common use 1. Acetic acid: Used as food preservative and for cleansing purpose. 2. Esters: Used for bathing and washing clothes 3. Sodium sulphate: Used in various medicines 4. Caustic soda: Used for cleaning, unblocking sinks, drains and toilets Which of the above matching is correct? Choose the correct options: 
A bill for ₹1,840 is paid in the denominations of ₹50, ₹20 and ₹10 notes. 50 notes in all are used. Consider the following statements : 1. 25 notes of ₹50 are used and the remaining are in the denominations of ₹20 and ₹10. 2. 35 notes of ₹20 are used and the remaining are in the denominations of ₹50 and ₹10. 3. 20 notes of ₹10 are used and the remaining are in the denominations of ₹50 and ₹20. Which of the above statements are not correct?