START QUIZ #1. Who was the first scientist to use an instrument for biological studies in 1665? Robert Hooke Robert Hooke None of the above None of the above Schleiden Schleiden Schwann Schwann #2. The two German scientists who proposed the cell theory were Virchow and Purkinje Virchow and Purkinje Porter and Palade Porter and Palade Theodor Schwann and Matthias Schleiden Theodor Schwann and Matthias Schleiden Mendel and Darwin Mendel and Darwin #3. Which of the following functions as a body soldier? Flame cells Flame cells Nerve cells Nerve cells Erythrocytes Erythrocytes Leucocytes Leucocytes #4. Which one of the following cells helps in storing water and food materials? Flame cell Flame cell Nematoblast Nematoblast None of the above None of the above Parenchyma cell Parenchyma cell #5. . In human body, the longest cell is muscle cell muscle cell nerve cell nerve cell Liver cell Liver cell reproductive reproductive Next Page >> < Results > - Congratulations. You passed the exam. Sorry You failed this exam. write the exam again.