Correct Answer: sap of plants

Solution : The correct option is the sap of plants .

Male mosquitoes, unlike female mosquitoes, do not feed on blood. They typically consume nectar and other plant fluids. Male mosquitos have proboscis, which are specialised mouthparts designed for sucking nectar from flowers. They use nectar carbohydrates as energy for tasks like flying and mating. Mosquitoes are little flying insects of the Culicidae family. They are well-known for transmitting numerous illnesses to humans and animals via bites.