Microscopic Morphology

Question 1

Grape-like in Clusters

Answer 1

S. auereus

Question 2

In tetrads

Answer 2

Micrococci

Question 3

Lancet shaped/Bullet Shaped

Answer 3

S. pneumoniae

Question 4

Kidneybean-shaped

Answer 4

Neiserria meningitidis

Question 5

Disjointed Bamboo fishing rod

Answer 5

Bacillus anthracis

Question 6

Drumstick/Lollipop

Answer 6

Clostridium tetani

Question 7

Club shaped/pallisade/Chinese letter

Answer 7

Corynebacterium diphtheriae

Question 8

Comma shaped

Answer 8

Vibrio

Question 9

Wings of seagull appearance

Answer 9

Campylobater jejuni

Question 10

School of fish/Fingerprint appearance

Answer 10

Haemophilus ducreyi

Question 11

Faint bipolar staining

Answer 11

Francisella tularensis

Question 12

Poor staining characteristics

Answer 12

Legionella

Question 13

Strings of bead appearance

Answer 13

Streptococcus moniliformis

Question 14

Log jam arrangement

Answer 14

Propionibacterium acne

Question 15

Bifid/ bifurcated ends
Resembles Bone-shaped
dog biscuits

Answer 15

Bifidobacterium

Question 16

Toothpick-like appearance

Answer 16

Fusobacterium nucleatum

Question 17

Tightly coiled with one or
both ends bent to form
hook/s

Answer 17

Leptospira

Question 18

Loosely coiled

Answer 18

Borrelia

Question 19

Morulae within WBCs

Answer 19

Ehrlichia

Question 20

Safety pin appearance due
to *bipolar staining *

Answer 20

Yersinia pestis

Question 21

Safety pin appearance due to accumulation of polar granules (Wright’s/Giemsa) + Donovan Bodies (Giemsa)

Answer 21

Klebsiella granulomatis

Question 22

Cigar packet arrangement

Answer 22

Mycobacterium laprae

Question 23

Boxcar shaped bacilli

Answer 23

Clostridium perfringens