Ex. 11 Culture Characteristics for Agar Plates

Question 1

1. Size

Answer 1

pinpoint, small, moderate, large. diameter in mm or cm

Question 2

2. Whole Colony Shape

Answer 2

ciruclar, irregular, rhizoid, punctiform (pin-point), lenticulate (under surface)

Question 3

3. Edge or Margin

Answer 3

entire, filamentous, undulate (curved), lobate (irregular curved), erose (sharp)

Question 4

4. Elevation

Answer 4

flat, raised, convex, pulvinate (gum drops), umbonate, crateriform

Question 5

5. Surface

Answer 5

wrinkled, smooth, rough, concentric rings, dull,glistening, waxy

Question 6

6. Texture

Answer 6

moist, muccoid, or dry

Question 7

7. Colour

Answer 7

crea, white, beige etc.

Question 8

8. Pigment

Answer 8

yellow, red, pink, blue, green etc

water soluble or non water soluble

Question 9

9. Opacity

Answer 9

transparent, translucent or opaque

Question 10

10. Odor

Answer 10

listed only if distinct