True or False Micro Lecture Finals

Question 1

Clarifiers are with solid material settles out.

Answer 1

True

Question 2

In primary treatment 20-30% solid settles out.

Answer 2

False

Question 3

The primary effluent undergoes secondary treatment.

Answer 3

True

Question 4

The secondary treatment is aerobic

Answer 4

True

Question 5

The anaerobic process is less efficient in degrading the organic material and less of the BOD

Answer 5

True

Question 6

Antibodies are non-specific

Answer 6

False

Question 7

Antibodies are composed of two identical light chains and two heavy chains

Answer 7

True

Question 8

Determination of the amount of antibodies serum is called titers

Answer 8

True

Question 9

INH is a drug of choice for treatment in amoebic dysentery.

Answer 9

False (INH is for TB)

Question 10

Penicillin acts on bacteria by inhibiting “protein synthesis”

Answer 10

False

Question 11

Anti microbial drugs should demonstrate selective toxicity for the microbe but not the host

Answer 11

True

Question 12

It is easy to find anti microbial against eukaryotes like fungi than prokaryotes

Answer 12

False

Question 13

Cell wall in most bacteria contains peptidoglycan and human cells do not

Answer 13

True

Question 14

Anti-microbial action penicillin is against gram - bacteria

Answer 14

False

Question 15

Penicillin is acting by inhibiting cell wall synthesis

Answer 15

True

Question 16

Resistance to drugs is based on the production of an enzyme is one mechanism

Answer 16

True

Question 17

Some drug resistance genes are carried on plasma called R factors

Answer 17

True

Question 18

Some rod-shaped bacteria such as clostridium possessed the capability of producing spores

Answer 18

True

Question 19

Mycology is the study of fungi

Answer 19

True

Question 20

The log phase of the growth curve phase is the period of little or no cell division

Answer 20

False

Question 21

Fleming discovered the antibiotic penicillin

Answer 21

True

Question 22

Two kinds of Nitrogens is purines and pyrimidines

Answer 22

True

Question 23

Glycolysis requires the presence of Oxygen

Answer 23

False

Question 24

Some mutations can be repair

Answer 24

True

Question 25

Viruses are obligate intracellular parasite

Answer 25

True

Question 26

Antagonist toxin is an endotoxin

Answer 26

False

Question 27

Reservoir of disease exist in nature which harbor and infecting agent

Answer 27

True

Question 28

Many genes are involve in viral multiplication

Answer 28

False

Question 29

Inflammation is host response to a tissue damage and characterize by pain, heat, swelling, and redness.

Answer 29

True

Question 30

An anti-viral agent produce by infected animal cell is called interferon

Answer 30

True

Question 31

Complement is a group of 11 or so proteins involved in phagocytosis.

Answer 31

True

Question 32

Specific resistance refers to defenses that tend to protect us from any pathogen

Answer 32

False

Question 33

Malaria is produce by trypanisoma

Answer 33

False

Question 34

One kind of common vehicle or inanimate reservoir is blood

Answer 34

True

Question 35

Building blocks of fats are fatty acids and glycerol

Answer 35

True

Question 36

Reduction involves the loss of hydrogen

Answer 36

False

Question 37

Fermentation yields greater amount of energy ATP than respiration

Answer 37

False

Question 38

Enzyme names usually ends with a name ase

Answer 38

True

Question 39

Microbial growth refers to number of cells not the size

Answer 39

True

Question 40

Sterile refers to the condition where free of all living organisms

Answer 40

True

Question 41

Streptobacillus refers to the rod-shaped bacteria in chains

Answer 41

True

Question 42

“Tendelization” refers to the heat treatment for milk 72 degrees Celsius in 15 seconds

Answer 42

False (it’s Pasteurization)

Question 43

Hapten alone can initiate an immune respose

Answer 43

False ( No, it needs a carrier protein)