1. Trachea
2. Integument
3. Ecternal gill
4. Rectum
Trachea
1. Root nodule forming nitrogen fixes live as aerobes under free- living conditions
2. Phosphorus is a constituent of cell membranes, certain nucleic acids and all proteins
3. Nitrosomonas and nitrobacter are chemoautotrophs
4. Anabaena and nostoc are capable of fixing nitrogen in free- living state also
Phosphorus is a constituent of cell membranes, certain nucleic acids and all proteins
1. Silk moth, honey bee and dragon fly
2. Lac insect, silk month and honey bee
3. Rice weevil, silk moth and honey bee
4. Honey bee, lac insects and locust.
Lac insect, silk month and honey bee
1. Musca domestica
2. Apis dorsata
3. Bombyx mori
4. Drosophila melanogaster.
Apis dorsata
1. Schistocera
2. Mantis
3. Dragon fly
4. Tinea pellionella
Schistocera
1. Aphid
2. Drosophila
3. Culex
4. Tse tse fly
Aphid
1. a, b and c are relevant but d and e are irrerevant
2. b, c and e are relevant but a and d are irrerevant
3. c, d and e are relevant but a and b are irrerevant
4. a, d and e are relevant but b and c are irrerevant
5. b, c and d are relevant but a and e are irrerevant
c, d and e are relevant but a and b are irrerevant
1. Locust
2. Termites
3. Pyrilla
4. Aphids
Pyrilla
1. Crop
2. Mouth
3. Gizzard
4. Pollen basket
Crop
1. Spread disease acting as agents
2. Destroy crops
3. Act as scavengers
4. Useful insects
Spread disease acting as agents