The "Reasoning in Biological and Physical Sciences" section contains questions on Biology, Chemistry and Physics. Equal weightage is given to Biology and Chemistry as each of them comprise of 40% of GAMSAT Section III. Questions on Physical Sciences comprise of only 20% of this section. Thus, to get the qualifying marks in GAMSAT, aspirants not only have to answer the chemistry questions, but also have to answer them correctly.
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Organic chemistry, contrary to belief, is nothing to be scared of. If an aspirant studies the concepts carefully and applies them analytically to answer the questions, then nothing can prevent him from getting a good score in GAMSAT Chemistry section. The GAMSAT chemistry section consists of about 50% organic chemistry questions. So scoring well in this section will ensure qualifying marks in GAMSAT Section III.
But how much do you need to study to cross the GAMSAT hurdle? Well, as per the requirements of GAMSAT chemistry questions, you will need to have first year university level knowledge. The trick to score well in GAMSAT is that you may not study each and everything, but you should study intelligently. Now, what is intelligent studying? Intelligent study includes selection of most probable topics and practising them rigorously. Any kind of mugging of topics and books is useless in the case of GAMSAT, so simply avoid it.
A thorough knowledge of the following chapters is required to attempt the GAMSAT chemistry questions:
1. Nomenclature of Organic Compounds - You will have to be thorough with this chapter and have a clear understanding of the concepts involved in this chapter. You should be able to name all the simple organic compounds like the hydrocarbons, halogen derivatives, compounds containing oxygen, nitrogen and sulphur and the aromatic compounds. You just need to know the basic and the simple organic compounds. For example, you should know the structure of ethyl amine, butanone or p-chloroaniline. You must be comfortable with nomenclature because it is an important component of all the GAMSAT chemistry questions based on Organic Chemistry. 2. Basic Concepts of Organic Chemistry and Reaction Mechanism - You need to know all about the basic concepts. You should have a detailed knowledge on the topics like electrophiles and nucleophiles, inductive effect, mesomeric effect and resonance effect. This chapter is integral to your understanding of all the other topics under Organic Chemistry.
3. Isomerism of Organic Compounds - Get a hang of the different the types of isomerism. Understand the spatial relationship well. 4. Hydrocarbons - Learn about alkane, alkenes, alkynes and aromatic hydrocarbons. All the information about their general properties and important chemical reactions must be at your finger tips. Give stress on the important physical properties of the hydrocarbons and the reactions of alkenes.
The GAMSAT Chemistry questions are nothing to be scared of. It's just that you have to practise a lot to get a hang of the basic concepts. Just relax and choose your questions carefully. Know your concepts, practice well, use your common sense and apply your knowledge on the final day.
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