Vidyalelo
Agriculture · Q679

Plant Pathology

Graduate and Post Graduate · Agriculture · question 679

Q679

Colony colour of Aspergillus niger is

A.
Black
B.
Yellow
C.
Green
Answer
D.
Blue

Answer: Option C

Solution

Answer: Option C
Solution:
The colony colour of Aspergillus niger is Green.
Aspergillus fumigatus conidia accumulate 1,8-dihydroxynaphthalene melanin in their cell wall, have a blue-green color, and are notorious for their high dispersibility.
A. niger causes a disease known as "black mold" on certain fruits and vegetables such as grapes, apricots, onions, and peanuts, and is a common contaminant of food.