Question

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)

NCERT Class X
Science - Exemplar Problems

Chapter_Heredity and Evolution

Answer 1

Option (b) (ii) and iv)

Answer 2

Factors responsible for rapid spread of bread mould on slices of bread are
(b) (ii) and (iv)
as these are the factors that help in rapid reproduction of bread mould.