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Exam (elaborations) BIO 211 Microbiology and chemical principles

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Exam (elaborations) BIO 211 Microbiology and chemical principles

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  • June 2, 2022
  • 42
  • 2020/2021
  • Exam (elaborations)
  • Questions & answers
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CHEMICAL

PRINCIPLE AND
INTRODUCTION TO
MICROBIOLOGY
TH
12 EDITION
CHAPTER 2

,Microbiology: An Introduction, 12e
(Tortora) Chapter 2 Chemical
Principles

2.1 Multiple Choice Questions


1) Which of the following statements about the atom C is FALSE?



A) It has 6 protons in its nucleus.



B) It has 12 neutrons in its nucleus.



C) It has 6 electrons orbiting the nucleus.



D) Its atomic number is 6.



E) Its atomic weight is 12.



Answer:
B

,Section:
2.1

Bloom’s Taxonomy:
Comprehension Learning
Outcome: 2.1

Global Outcome: 2


2) Table


2.1O C H


Using the information in Table 2.1, calculate the molecular weight of ethanol,
C2H5OH.


A) 96



B) 46



C) 34



D) 33



E) The answer cannot be determined.



Answer:
B
Section:
2.1

, Bloom’s Taxonomy:
Application Learning Outcome:
2.1

Global Outcome: 2

3) Antacids neutralize acid by the following reaction. Identify the salt in the

following equation: Mg(OH)2 + 2HCl → MgCl2 + H2O
A) Mg(OH)2



B) HCl



C) MgCl2
D) H2O



E) None of the answers is correct.



Answer:
C
Section:
2.4

Bloom’s Taxonomy:
Comprehension Learning
Outcome: 2.5

4) Which of the following statements is FALSE?



A) Salts readily dissolve in water.



B) Water molecules are formed by hydrolysis.

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