Question

Which of the following environmental conditions are essential for optimum growth of Mucor on a piece of bread?
A. Temperature of about 25${}^o$C.
B. Temperature of about 5${}^o$C.
C. Relative humidity of about 5%.
D. Relative humidity of about 95%.
E. A shady place.
F. A brightly illuminated place.
Choose the answer from the following options.

• A. B and D only
• B. B, C and F only
• C. A, C and E only
• D. A, D and E only

Answer 1

The correct option is D A, D and E only

If the growth of Mucor is in the average range of 0.4 in refrigerator, it will grow at an average of 23.2 at room temperature. It grows well when the relative humidity is in the range of 95%. Fungus usually prefer shady areas.

Thus, the correct answer is option D.