1. Herpetology
2. Saurology
3. Ichthyology
4. Arthrology
Ichthyology
1. Adult
2. Pupa
3. Cocoon
4. Larva
Larva
1. Physalia
2. Termite
3. Trypanosome
4. All the above
All the above
1. Arthopoda
2. Mollusca
3. Echinodermata
4. Annelid
Arthopoda
1. Lepidopsiren
2. Neopilina
3. Peripatus
4. Protopteris
Neopilina
1. Jelly fish
2. Echinodermata
3. Hemichordate
4. Cnidaria
Echinodermata
1. xylem
2. phloem
3. cortex
4. pith
phloem
1. Ectoderm
2. Mesoderm
3. Endoderm
4. Protoplasm
Mesoderm
1. staminal of Tradescantia
2. onion peelings
3. pith cells
4. None of these
staminal of Tradescantia
1. Nephridia
2. Contractile vacuole
3. Flame cells
4. Hepatic caeca
Flame cells