Main blood vessel of arthropods usually:

Related Mcqs:

Blubber a thick layer of fat is present in___________?

A. Fresh water mammals B. Terrestrial mammals C. Marine Mammals D. Flying mammals...

In all arthropods,the body is covered with a chittinous cuticle which is secreted by the____________?

A. Endodermis B. Mesophyll C. Chitin D. Epidermis...

Empty diatom cells are called___________?

A. Raphe B. Valves C. Frustule D. Girdles...

The normal pH of human blood is____________?

A. 6.4 B. 7.0 C. 7.4 D. 7.5...

Many bacteria in our digestive system synthesize vitamins for example vitamin_________?

A. B1 B. B2 C. B12 D. B6...