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Doctors Medicines MCQs Q&A

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Read the given paragraph carefully and decide which of the conclusions given in the options logically follows from the paragraph. The alarming level of pesticide and insecticide residue is found in fruits and vegetables sold in the market, causing public unrest. The reason is farmers are being forced to use affordable chemical pesticides in large amounts to protect the harvest. The pests, after some time, get immune to chemicals and hence farmers are forced to use more harmful chemicals to exterminate them. The government is, however, planning to ban the use of some harmful chemicals as they cause health issues, thus breaking this vicious circle.
In the following question, sentences of a paragraph have been jumbled and labelled as A, B, C, and D. You are required to rearrange the jumbled sentences of the paragraph and mark your response accordingly by selecting the correct option. A: Any foreign substance in your body that makes the immune system attack it, is called an antigen. B: It is called the immune system and it knows when there is something inside your body that should not be there. C: Therefore this special system protects you from illness and diseases caused by antigens. D: You have your own little army of cells inside you, always fighting to keep you healthy.
In a certain laboratory, chemicals are identified by a colour-coding system. There are 20 different chemicals. Each one is coded with either a single colour or a unique two-colour pair. If the order of colours in the pairs does not matter, what is the minimum number of different colours needed to code all 20 chemicals with either a single colour or a unique pair of colours?
A is 30% more immune than B and B is 20% less immune than C, then find how much percent A is more immune than C.
Chemical mixtures X consist of chemicals A and B in ratio of 1 : 3, Chemical Y consist of chemicals A and B in ratio of 3 : 2. Chemical X is present in vessel whose capacity is 2 / 5 times that of vessel in which chemical Y is present. Both the chemicals X and Y are mixed in a large container. What is % of concentration is present in final mixture as A?
In the following question, two statements are given, followed by two conclusions, I and II. You have to consider the statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements. Statement I: No green is toxic. Statement II: Some chemicals are green. Conclusion I: Some chemicals are toxic. Conclusion II: Some green are chemicals.
In which of the following case we can surely say that the body A is charged: a) When a positively charged body is kept near to body A and it gets attracted b) When a negatively charged body is kept near to body A and it gets  attracted c) When a positively charged body is kept near to body A and it gets repelled
True breeding Drosophila flies with curved wings and dark bodies were mated with true breeding short wings and tan body Drosophila, The F1 progeny was observed to be with curved wings and tan body. The F1 progeny was again allowed to breed and produced flies of the following phenotype, 45 curved wings tan body, 15 short wings tan body, 16 curved wings dark body and, 6 short wings dark body. The mode of inheritance is
In an experiment you develop immune response in mice against salmonella flagellar antigen. However, you observe the infection still persisted. Which if a likely possibility if immune system is functioning properly?
In case of acquired immune system, a secondary immune response is generated by the ______________