Subject :NSO Class : Class 4
Read the given passage carefully.
Houseflies go through (A) stages in their life cycle. The housefly lays hundreds of
eggs at a time. Each egg hatches to produce a young one called a (B). The larva
of a housefly is called (C). After some days, the larva becomes barrel-shaped. It is
now called a (D). The pupa is covered by a (E). The cocoon breaks open in a
week and a young housefly comes out.
Select the option which correctly fills any three blanks.
A a - four, c - nymph, d - cocoon
B b - larva, d - pupa, e - cocoon
C a - three, b - larva, d - pupa
D c - maggot, d - pupa, e - nymph