Consider the following statements about mosquitoes.
1. Only males suck blood.
2. Only females suck blood.
3. Females suck plant juices.
4. Males have bigger wings than females.
5. Females have bigger wings than males.
Of these

A. Naked eye B. Compound microscope C. Hand lens D. Electron microscope

A. Latent period phase B. Vegetative phase C. Adsorption phase D. Liberation phase

A. Boundary apotracheal type B. Terminal apotracheal type C. Banded apotracheal type D. Diffuse apotracheal type

A. Metric approach B. Empirical approach C. Numerical approach D. None of the above