A female Anopheles mosquito can be recognized by
- Proboscis and palpi are long and more or less of equal length
- Proboscis long and palpi short
- Proboscis short and palpi long
- Both proboscis and palpi are short
The Correct Option is A
Solution and Explanation
The correct option is (A): Proboscis and palpi are long and more or less of equal length
The answer is correct because:
- Proboscis is a modified mouthpart that female mosquitoes use to pierce the skin and suck blood from hosts.
- Palpi are sensory organs located near the mouthparts that help the mosquito detect things like odors and moisture.
- In female Anopheles mosquitoes, the proboscis and palpi are both long and almost the same in length.
- This is one way to distinguish them from male Anopheles mosquitoes, which have much shorter palpi.
Thus, the right answer to this question is that the proboscis and palpi are long and more or less of equal length.
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Concepts Used:
Animal Kingdom
Animals are eukaryotic, multicellular species that belong to the Kingdom Animalia. Every animal has a distinct characteristic. They get energy either by feeding on plants or on other animals. There are millions of species that have been recognized, few shares similar characteristics while others vary drastically.
Kingdom Animalia comprises all animals. In the midst of the five kingdoms, the largest kingdom is the animal kingdom. Animals are multicellular eukaryotes. Though, like plants, they do not possess chlorophyll or a cell wall. Therefore, members of the animal kingdom indicate a heterotrophic mode of nutrition. Kingdom Animalia is further classified into ten different subphyla based on their body designs or differentiations.
The different phyla of the Kingdom Animalia are as follows:
- Porifera
- Coelenterata (Cnidaria)
- Platyhelminthes
- Nematoda
- Annelida
- Arthropoda
- Mollusca
- Echinodermata
- Hemichordata
- Chordata
Read More: Classification of Animal Kingdom