Deficiency of ___________ causes yellowing in plants?

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On wound __________ fight foreign particles, like bacteria?

A. White Blood cells B. Red Blood Cells C. Platelets D. Plasma...

Vaccine was first developed by_______________?

A. Louis Pasture B. Edward Jenner C. Jaber Ibn Hayan D. Aristotle...

Each ach nephridium of earthworm opens to the exterior by__________?

A. Nephrostome B. Nephridiopore C. Flame cell D. Anus...

Which of the following mechanism explains development of anemia in Renal failure?

A. Failure of bone marrow is accompanied with renal failure. B. Destruction of RBC results from accumulated urea in the blood. C. Chronicity of the disease is respobsible for anemia D. Failure of proper RBC synthesis, due to lack of chemical stimulation....

Which bone is called beauty bone in women?

A. sternum B. clavicle C. maxilla D. radius...