Mention the function of the following

1. Ureters in frog

2. Malpighian tubules

3. Body wall in earthworm

Draw a neat diagram of the digestive system of frogs.

Mention briefly the circulatory system of earthworms

Match the terms in Column I with those in column II:

Mark the odd one in each series:

1. Areolar tissue; blood; neuron; tendon

2. RBC; WBC; platelets; cartilage

3. Exocrine; endocrine; salivary gland; ligament

4. Maxilla; mandible; labrum; athorax; coxa

5. Protonema; mesothorax; metathorax; coxa