Which one prefers to breed in clean water and its larvae lie parallel to surface of water

Which one prefers to breed helps in clean water and its larvae lie parallel to surface of water? (a) Anopheles (b) Culex (c) Aedes (d) Phlebotomus

Which one prefers to breed helps in clean water and its larvae lie parallel to surface of water? (a) Anopheles (b) Culex (c) Aedes (d) Phlebotomus

Which one of the following genus of insects prefers to breed in clean water and their larvae lie parallel to the surface of water ?

Which one of the following genus of insects prefer to breed in clean water and their larvae lie parallel to the surface of water

Which one of the following genus of insects prefer to breed in clean water and their larvae lie parallel to the surface of water

Which one of the following genus of insects prefer to breed in clean water and their larvae lie parallel to the surface of water

Which one of the following genus of insects prefer to breed in clean water and their larvae lie parallel to the surface of water

Clean water has BOD value:

The osmotic pressure of pure and clean water is