Factors responsible for the rapid spread of bread mold on slices of bread are:

Large number of spores

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Availability of moisture and nutrients in bread

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Presence of tubular branched hyphae

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Formation of round shaped sporangia

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Solution

The correct options are
A Large number of spores
B Availability of moisture and nutrients in bread
Hyphae are not the reproductive part of bread mold, so they are not responsible for the rapid spread of mold. There are blob-like structures on hyphae called sporangia. Sporangia contain a large number of spores. Spores are covered by thick covering and not able to germinate until they come in contact with a moist surface. When spores come in contact with the moist surface they germinate and develop into the bread mold.
Thus the correct answer is option A and B.

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Similar questions

Q. Factors responsible for the rapid spread of bread mould on slices of bread are:
(i) Large number of spores
(ii) Availability of moisture and nutrients in bread
(iii) Presence of tubular branched hyphae
(iv) Formation of round shaped sporangia
Which of the above statements are true?

Question 14
Factors responsible for the rapid spread of bread mould on slices of bread are

(i) large number of spores
(ii) availability of moisture and nutrients in bread
(iii) presence of tubular branched hyphae
(iv) formation of round shaped sporangia

(a) (i) and (iii)
(b) (ii) and iv)
(c) (i) and (ii)
(d) (iii) and (iv)

Q. The factors responsible for the rapid spreading of bread mould on slices of bread are :
(i) presence of large number of spores in air
(ii) presence of large number of thread-like branched hyphae
(iii) presence of moisture and nutrients
(iv) formation of round shaped sporangia

(a) (i) and (iii)
(b) (ii) and (iv)
(c) (i) and (ii)
(d) (iii) and (iv)

Q. Bread mould mostly grows on a moist slice of bread rather than on a dry slice of bread. Why?

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