4141. The lifespan of White Blood Cells is _____ day(s)?
✅ D. 5 - 21 days
Everyday Science MCQs – Page 208
4142. What is the name of the branch of the science that studies the ocean?
✅ B. Oceanography
4143. The photo-receptors in the eye are present in______?
✅ A. Retina
4144. On which disease did Robert Koch work?
✅ B. Tuberculosis
4145. Human bone does not contain____?
✅ C. Boron
4146. Leukemia is a disease of the______?
✅ A. Blood
4147. Echo is a ______ of sound?
✅ B. Reflection
4148. A Little inhalation is done through___?
✅ A. pipes and cigars
4149. Which of the following is not an enzyme?
✅ A. Secretin
4150. Max Planck received the noble prize in Physics in 1918 for his discovery of ?
✅ A. energy quanta
4151. By which process does the smell of cooking spread to all the rooms in a house?
✅ A. Diffusion
4152. Which of the following is not a Fat-soluble vitamin?
✅ A. Vitamin B6
4153. The oldest barrage on the river Indus at Sukkur was built in_____?
✅ B. 1932
4154. Albert Einstein was a_______?
✅ B. Physicist
4155. Earth rotates the sun in______?
✅ B. 23 hours 56 min 4 sec
4156. Which of the following bonds are weakest in nature?
✅ D. Hydrogen bond
4157. Most important effect of the moon on earth is that it______?
✅ D. Effects tides of the ocean
4158. Silicon is an example of ____?
✅ A. Semiconductor
4159. In the electricity meter the digit to the extreme right is______?
✅ C. 1/10th of the unit
4160. How many layers of Atmosphere?
✅ D. 5