MCQ on Entomology for various Agriculture Exams✅

1. Stomodaeum is divided into
   a) Pharynx, oesophagus
   b) Crop, Gizzard
   c) Both a and b
   d) Pyrnx, oesophagus crop and gizzard

2. Trachea is originated from
   a) Endoderm
   b) Ectoderm
   c) Both a and b
   d) Mesoderm

3. All spiracles are open in
   a) Larva of mosquito
   b) Pupa of mosquito
   c) Grasshopper
   d) Maggot of housefly

4. The anterior most pair of spiracles is functional and remaining are closed in
   a) Mosquito pupa
   b) Mosquito larva
   c) Maggot of housefly
   d) Grubs

5. The first and last pair of spiracles are functional in
   a) Maggot of housefly
   b) Larva of mosquito
   c) Pupa of mosquito
   d) Grasshopper

6. Photoreceptor or visual organs are
   a) Dermal light sense
   b) Ocellus or simple eyes
   c) Compound eyes
   d) All of these

7. Chordotonal or scolopophorous organs are
   a) Tympanal organ
   b) Johnston’s organ
   c) Both a and b
   d) Leg