ATS BMAT Scientific Knowledge and Applications MCQs Questions Answers


ATS BMAT Scientific Knowledge and Applications MCQs Questions Answers
 

Bio Medical Admissions Test
30 minutes
This Section Consists of 27 MCQs Questions
SECTION 2:  Scientific Knowledge and Applications
1.  Element X has the electronic structure 2, 8, 3.
Which of the following statements about this element are correct?
1  The element is in Group 12, Period 3 of the Periodic Table.
2  The element reacts with oxygen to form a compound with the formula X2O3.
3  The element reacts with bromine to form a compound with the formula XBr3.
4  The atomic number of the element is 13.
5  The element is an alkali metal.
A  1 and 5 only
B  2 and 3 only
C  2 and 5 only
D  3 and 4 only
E  1, 4 and 5 only
F  2, 3 and 4 only
2.  Nickel has an atomic number of 28. The mass numbers of four of its isotopes are 58, 60, 61
and 62. Below are three statements about these isotopes of nickel.
1  All of them have the same chemical properties.
2  All of them have nuclei containing 28 protons.
3  One of them has a nucleus that contains 62 neutrons.
Which statement(s) is/are correct?
A  1 only
B  2 only
C  3 only
D  1 and 2 only
E  1 and 3 only
F  2 and 3 only
G  1, 2 and 3
H  none of them
3. The mean mass of a group of N people is 75 kg.
Jim, Karen and Leroy join this group, without anyone leaving; the new mean mass is 78 kg.
The mean mass of Jim, Karen and Leroy is 90 kg.
What is the value of N?
A  4
B  12
C  15
D  30
E  48
F  90
4. The following statements are features of an enzyme from a healthy human.
1  It works at an optimum pH below 4.
2  It digests a substrate into amino acids.
3  It works at an optimum temperature of approximately  C. 37°
Which enzyme has these features?
A  amylase in the mouth
B  amylase from the pancreas
C  lipase in the mouth
D  lipase from the pancreas
E  protease from the small intestine
F  protease from the stomach
5.  Which of the following statements could describe the result of a single mutation of a gene
coding for a protease enzyme in a fertilised human egg cell?
1  A new allele is formed coding for a protease enzyme that works more efficiently.
2  A new allele is formed coding for a protease enzyme that works less efficiently.
3  A new allele is formed coding for a non-functional protein that has no effect on the
cell.
4  A new allele is formed coding for a non-functional protein that has a negative effect
on the cell.
A  1 only
B  2 only
C  1 and 2 only
D  3 and 4 only
E  1, 2 and 3 only
F  1, 2 and 4 only
G  1, 2, 3 and 4
6. A defibrillator provides an electric shock to a heart to restore its normal rhythm. The energy to
do this is 125 J, at a steady voltage of 500 V, for a time of 10 milliseconds.
What is the current during this process?
A  2.5 mA
B  25 mA
C  2.5 A
D  25 A
E  6250 A
F  6250 kA
7. Which statements describe a role of mitosis?
1  asexual reproduction
2  growth of a cell
3  repair of cells
4  stem cell division
A  1 and 4 only
B  1, 2 and 3 only
C  1, 2 and 4 only
D  1, 3 and 4 only
E  2, 3 and 4 only
F  1, 2, 3 and 4

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