A.Contact
B.Ingestion
C.Both (a) and (b)
D.Inhalation
Related Mcqs:
- Inorganic salts are toxic to insects by:
- One of the major difficulties in the biological control of insect pests is that:
- Give the name of a family of order Hymenoptera which include crop pests:
- In case of lower pairs
- First insect-fossil was found in:
- In which of the following insect the spiracles are absent?
- Which of the following is most toxic??
- Fossil records indicate that insect evolved during:
- Insect haemolymph has no gas transport system except in:
- Insect having prolegs in larval stage:
