During
metamorphosis, a larva undergoes a series of changes called……..in which it
casts off its skin many times to attain its maximum size.
a) ecdysis
b) moulting
c) necrosis
d) both a and b
During metamorphosis, the stages between ecdysis are called……..
a) stadia
b) instar
c) larva
d) nymph
Explanation: singular stadium
During metamorphosis, the form attained by an insect larva in any stadium between two ecdyses is called ……..
a) stadia
b) instar
c) pupa
d) nymph
Explanation: the final instar is the adult or “imago”
On the basis of metamorphosis, arthropods are classified into……groups.
a) two
b) three
c) four
d) five
Explanation: 1. Ametabola,
2. Hemimetabola and 3. Holometabola
The insects in which no metamorphosis occurs are……..
a) ametabola
b) hemimetabola
c) holometabola
d) metabola
Explanation: collembolan and other primitive wingless insects are examples
The insects in which incomplete metamorphosis occurs are……..
a) ametabola
b) hemimetabola
c) holometabola
d) metabola
Explanation: e.g. cockroaches, wasps etc……
