1. Seminal vesicles
2. Spermiducal funnels
3. Prostate glands
4. Spermathecae
Prostate glands
1. Ventral side of 14th segment
2. Dorsal side of 14th segment
3. Ventral side of 18th segment
4. Dorsal side of 18th segment
Ventral side of 14<sup>th</sup> segment
1. Polychaeta
2. Oligochaeta
3. Hirudinea
4. Archiannelida
Archiannelida
1. Mosquito
2. Cockroach
3. Butterfly
4. Bedbug
Butterfly
1. Earthworm
2. Cockroach
3. Snail
4. Star fish
Cockroach
1. 2
2. 4
3. 6
4. 8
4
1. Haploid
2. Diploid
3. Triploid
4. Polyploid
Haploid
1. A spcious cavity
2. Absent
3. Enterocoelic
4. Restricted to gonads
Restricted to gonads
1. Ionosphere
2. Stratosphere
3. Limnetic zone
4. Littoral zone
Littoral zone
1. Humoral immunity
2. Hormonal immunity
3. Production
4. Internal cleansing
Humoral immunity