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Questions and Answers
What is the function of hirudin in leeches?
What is the function of hirudin in leeches?
- It helps in digestion by secreting enzymes
- It aids in attaching the leech to the host's body
- It prevents blood coagulation to maintain a continuous blood supply (correct)
- It causes a Y-shaped wound in the host's skin
How do leeches attach themselves to the body of a host vertebrate?
How do leeches attach themselves to the body of a host vertebrate?
- Through parapodia and setae
- By secreting digestive juices onto the host's skin
- Using suckers located at both ends of their body (correct)
- By causing a painful wound on the skin
Why do leeches not need elaborate secretion of digestive juices and enzymes?
Why do leeches not need elaborate secretion of digestive juices and enzymes?
- Due to the presence of parapodia and setae
- Since their crop stores blood for nourishment over several months (correct)
- To avoid causing pain to the host while feeding
- Because they primarily feed on plant material
