Which of the following is the distinctive feature of Arthropods

1.Exoskeleton or cuticle

2.Joint appendages

3.Malpighian tubules

4.Both 1 and 2

Which of the following is true for the given diagram?

1.Prawn

2.Member of Crustacea

3.Green glands is present for excretion

4.All of the above

Which of the following is true for the given diagram?

1.Locust

2.Gregarious pest

3.Member of Insecta

4.All of these

Which of the following is true for the given diagram?

1.Scorpion

2.Member of Octapoda

3.Respire through book gills

4.All of these

Which of the following is true for the given diagram?

1.Insecta

2.Crustacea

3.Octapoda

4.Both 1 and 2

Which of the following is true for the given diagram?

1. 4 Pairs of legs

2. Viviparous

3. Respire through book gills

4. All of these

Which of the following is a living fossil?

1.Limulus

2.Locust

3.Laccifer

4.Palaemon

Which of the following is not economically important insect?

1.Apis

2.Bombyx

3.Laccifer

4.Locust

Which of the following is not Hexapoda?

1.Prawn

2.Scorpion

3.King crab

4.All of these

Which of the following is a gregarious pest?

1.Limulus

2.Locust

3.Laccifer

4.Palaemon