AIIMS (All India Institute of Medical Sciences) MBBS entrance exam for admission to the undergraduate medical course in AIIMS is to be held on 25th and 26th May 2019. For mere 807 seats, more than 3.5 lacs candidates gave exam in 2018. As the number suggests, AIIMS exam is more competitive than any other competitive exam. Every aspiring Medical Student dream to clear AIIMS entrance exam and wants to get his/her MBBS degree from this prestigious institute. To getting through the AIIMS entrance exam requires a thorough understanding of concepts as this exam tests the same through its variety of questions (MCQs & A&R) in Physics, Chemistry and Biology, and awareness about current affairs. From 2018, the AIIMS MBBS exam has started to be conducted on two days, over a total of four examination slots of three-and-a-half hour’s duration. The AIIMS examination will be a Computer Based Test (CBT), another difficulty added for many candidates who are not pretty comfortable to the CBT. To help you sail easily through the storm of AIIMS entrance exam, we are here running a quiz. Read on to know more.
AIIMS exam will consist of 200 objective type questions. This comprises of 60 questions (40 MCQ’s + 20 A&R questions) from each Physics, Chemistry and Biology along with 10 MCQs in Current Affairs and 10 MCQs in Logical Reasoning. Assertion & Reason section is a trickier one, as it is difficult to come up to the correct choice easily. Assertion and Reason are two statements which may or may not hold any relation to each other and can be correct or incorrect. It is taxing to understand whether the two statements are related and the reason gives the correct explanation of the assertion or not. Any wrong response consumes your hard-earned points from the MCQs part. But, a GOOD Practise of this section can save you from such dreadful situation.
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To help you get habitual of the AIIMS exam’s demand and pressure, we are running a weekly quiz campaign on Assertion & Reason section. This will help you prepare well for the AIIMS exam. On this page, Assertion & Reason Quiz for Chemistry will go live once in a week. Take these quizzes which are especially designed to give you the best opportunity to strengthen your concepts to CRACK AIIMS Entrance Exam!
All the Best!
ASSERTION : In the Friedel-Crafts acylation of benzene, the attacking electrophile is an acyl carbocation. REASON : The reaction of benzene with CH3CH2CH2Cl in presence of AlCl3 gives n-propylbenzene.
ASSERTION : Vinylic halides are reactive towards nucleophilic substitution reactions. REASON : Reactivity is due to the polarity of carbon halogen bond.
ASSERTION : Hydration of 3, 3-dimethyl-l-butene with acid gives 2,3-dimethyl-2-butanol. REASON : Hydration of alkenes with acids occur through carbanion formation.
ASSERTION : Ketones do not react with monohydric alcohols but do so with dihydric alcohols to give cyclic ketals. REASON : Ketal formation is used to protect the carbonyl group in organic synthesis.
ASSERTION : Formic acid is a reducing agent. REASON : Formic acid is used as preservative for fruits.
ASSERTION : Oxidation of 1-nitro naphthalene gives o-nitro phthalic acid whereas 1-amino naphthalene on oxidation gives phthalic acid. REASON : An amino group attached to the benzene ring makes it resistant to oxidation whereas nitro group makes the benzene ring susceptible to oxidation.
ASSERTION : Chemical substances which are used to check pregnancy in women are called antifertility drugs. REASON : Antifertility drugs are also called birth control drugs or oral contraceptives.
ASSERTION : Orlon is used as synthetic fibres. REASON : The monomer of orlon is vinyl chloride.
ASSERTION : Chloroform and benzene form a pair of miscible liquids and they are separated by fractional distillation. REASON : Boiling point of benzene is less than that of chloroform.
ASSERTION : Amino acids mostly exist as dipolar ions. REASON : The dipolar structure of amino acids is known as zwitterion or internal salt.
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