1. Malaria
2. Cholera
3. Dengue
4. Filariasis
Dengue
1. Asterias
2. Ascidia
3. Fasciola
4. Octopus
Fasciola
1. Sponges
2. Ctenophores
3. Corals
4. Flat worms
Flat worms
1. Mollusks are acoelomates
2. Insects are pseudocoelomates
3. Flat worms are coelomates
4. Round worms are pseudocoelomates
Round worms are pseudocoelomates
1. Leech is a fresh water while all other are marine
2. Spongilla has special collared cells called choanocytes, not found in the remaining three
3. All are bilaterally symmetrical
4. Penguin is homoeothermic while the remaining three are poikilothermic
Spongilla has special collared cells called choanocytes, not found in the remaining three
1. Possess bony skeleton
2. Possess a solid single stranded central nervous system
3. Have gill slits at some stage
4. Lay eggs and guard them till they hatch
Have gill slits at some stage
1. Protozoa
2. Porifera
3. Coelenterates
4. Ctenophore
Porifera
1. Cnidocil is for defence in hydra
2. Nerve cells are absent in hydra
3. Hydra is coelenterate
4. Hydra shows budding
Nerve cells are absent in hydra
1. Mantis religosa
2. Termites
3. Taccardia lacca
4. Carausius
Taccardia lacca
1. Ventral nerve cord
2. Pharyngeal gills slits
3. Bilateral symmetry
4. Rod-like notochord
Ventral nerve cord