MDCAT Biology MCQs Part 1 Unit 3 For Entry Test With Keys

MDCAT Biology MCQs Part 1 Unit 3 For Entry Test With Keys. For the past few years, the correct responses to the multiple choice questions on the biology MDCAT have consisted of a variety of different solutions. When answering a multiple-choice question, you are required to select an answer for each of the options given. When responding to inquiries on paper, doing it this way can help you save time while also ensuring that no essential information is overlooked.

On the other hand, the pattern that emerged from the previous year indicates that just one point should be awarded if there are only one or two possible responses and all of them are correct. In the event that this is not the case, candidates need to keep attempting to answer those questions until they receive full credit. When posing a question, it is troublesome to use the words “always” or “never” as part of the question because there is no way to tell how many individuals will answer it right.

MDCAT Biology Answers To Entry Test Solved MCQs:

Biology multiple choice questions from prior MDCAT admissions tests. The multiple-choice questions contained within each chapter of the MDCAT Biology section are accompanied by extensive explanations of the correct answers. In this illustration, we will go through some sample questions that may possibly be found on a biology test. If you can come up with a solution to their problem, you should implement it. If you are having trouble, look at the explanations that are offered for each of the solutions that are supplied in the area that is provided below the question.

You have to be able to localise the cause of the issues you’re having and identify the aspects of the situation that aren’t necessary. Keep in mind that it is impossible to know in advance which knowledge will be the most relevant when you are taking the actual test, so you should strive to demonstrate that you have mastered all of the content. Consider this as an illustration:

1) In the human body, the ideal temperature for enzymes is: (Entry Test 2009)
a) 32 °F
b) 313 °K
c) 46°C
d) 37 °C
2) Biochemically enzymes are: (Entrance Self-Test-2011)
a) Carbohydrates
b) Hormones
c) Fatty acids
d) Proteins
3)Enzyme availability Entrance Self-Test-2011)
a) Slows down the rate of reaction
b) Increases the rate of reaction
c) Does not show any change
d) Completely stops the reaction
4) Lock and Key Model of enzyme reacting with the substrate was originally proposed by: (Entrance Self-Test-2011)
a) Emil Fisher
b) Robert Hook
c) Koshland
d) Robert Brown

11th grade biology MCQs for the MDCAT 2022–2023:

5) The ideal pH for pepsin to function effectively is: (Entrance Self-Test-2011)
a) 4.50
b) 6.80
c) 2.00
d) 9.00
6) When an inhibitor interacts with an enzyme other than the active site and does not share any structural similarities with the substrate, this type of inhibition is known as: (Entry Test-2012)
a) Irreversible inhibition
b) Competitive inhibition
c) Non-competitive and reversible inhibition
d) Reversible inhibition
7) The inhibitors that bind tightly and permanently to enzymes and destroy their globular structure stopping their catalytic activity are: (Entry Test 2012)
a) Reversible inhibitors
b) Competitive inhibitors
c) Irreversible inhibitors
d) Non-competitive inhibitors
8) If the detachable co-factor is an inorganic ion then it is (Entry Test-2012)
a) Coenzyme
b) Holoenzyme
c) Holoenzyme
d) Activator
9)The optimal pH for pancreatic lipase activity is: (Entrance Test-2013, 14)
a) 4.50
b) 2.00
c) 7.60
d) 9.00
10) From what do all coenzymes come? (Entrance Test-2013, 14)
a) Proteins
b) Carbohydrate
c) Nucleic acids
d) Vitamins
11) The view that the active site of an enzyme is flexible and when a substrate combines with it, causes changes in enzyme structure is known as (Entrance Test-2013, 16)
a) Lock and key model
b) Sliding filament model
c) Induce fit model
d) Specificity model
12) The competitive inhibitors have structural similarity with (Entrance Test-2014)
a) Active site
b) Binding site
c) Substrate
d) Co-enzyme

Biology Unit 3 MCQs Solved For Entry Exam:

13) Which of the following is the best example of what a competitive inhibitor is? (Entrance Test-2015)
a) Glucose
b) Succinic acid
c) Fumarate
d) Malonate
14) For an enzyme to operate properly, it needs a helper, which is a non-protein component.
(Entrance Test-2015)
a) Accelerator
b) Prosthetic group
c) Cofactor
d) Apoenzyme
15) An enzyme required Mg++ to catalyze the substrate. The Mg++ is best identified as:
(Entrance Test-2016)
a) Prosthetic group
b) Co-enzyme
c) Activator
d) Inhibitor
16) All enzymes are
a) Fibrous proteins
b) Low molecular weight proteins
c) Lipoproteins
d) Globular proteins
17) The substrates on which enzymes operate are: (Entry Test-2017)
a) Products
b) Substrates
c) Metabolites
d) Catbolites
18) W.O.F comprises inorganic ions: (Entry Test-2017)
a) Coenzymes
b) Activators
c) Apoenzyme
d) Prosthetic group

Please visit this page if you’re seeking for FSC annual examination past papers. for Chapter 1 of the MDCAT Biology MCQs.

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