Question

Factors responsible for the rapid spread of bread mold 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)

Answer 1

The answer is (c) (i) and (ii)

• Large number of spores ensure a few spore survive even in adverse conditions. 
• Availability of moisture and nutrients in the bread provides necessary environment for spore to grow into mould.