Human blood is a viscous fluid due to_________?
Human blood is a viscous fluid due to_________?A. Platelets in plasma
B. Proteins in blood
C. RBC and WBC in blood
D. Sodium in serum
B. Proteins in blood
C. RBC and WBC in blood
D. Sodium in serum
A. Gain Water
B. Lose Water
C. Exchange gas
D. None of These
Of the following which one is not the characteristic of dinoflagellates?
A. Most of them are unicellular
B. They have blooms
C. Their cells are often covered with shells of interlocking cellulose plates impregnated with calcium
D. None of these
Low level of CO2 favours _________ of the stomata.
A. Opening
B. Closure
C. Both of these
D. None of these
A. pulmonary trunk
B. brain
C. aorta
D. None of these
A. Effectors neurons
B. Receptor neurons
C. Stimulators
D. Detector neurons
rRNA constitutes ____________% of the total cellular RNA?
A. 3-4 %
B. 10-20%
C. 80%
D. 90%