161. Television signals are converted into light signals by______?
✅ D. Photo diode
Everyday Science MCQs – Page 9
162. Which human hormone is called love hormone?
✅ B. Oxytocin
163. In human, Which body part develop first ?
✅ B. Heart
164. The expected number of RBCs in a single drop, or microliter, of blood is ____ million in Women.
✅ D. 4.0 to 5.2 million
165. Inhaled air passes through which of the following in the last?
✅ B. Bronchiole
166. Penicillin is used to fight what type of infections?
✅ B. Bacteria
167. Humming bird belongs to a category called ?
✅ A. Endotherm
168. In which system of units, gas bills are charged?
✅ C. BTU
169. Primary cosmic rays are composed largely of very fast_____?
✅ B. Protons
170. Which law states that “equal volumes of all gases, at the same temperature and pressure, have the same number of molecules?
✅ D. Avogadro's law
171. Black holes’ refers to_____?
✅ C. Collapsing object of high density
172. At what time of day is the relative humidity normally at a minimum ______ ?
✅ B. When the air temperature is highest
173. The beautiful color patterns exhibited by a peacock in its tail feathers are due to ?
✅ B. Selective absorption of light
174. Mohs’ Scale” is used to indicate the____?
✅ B. Degree of hardness of minerals
175. Among the planets of the Solar system the position of the Earth from the Sun is:____?
✅ A. Third
176. Steradian is the unit of_____?
✅ B. Solid angle
177. What is the chance of diabetic baby born to parents both heterogeneous normal ?
✅ A. ¼
178. Electric motor was invented by _____ ?
✅ B. Michael Faraday
179. Sleeping sickness in the natives of Africa is caused by___?
✅ D. Trypanosoma
180. Fan was invented by______?
✅ C. Skaats Wheeler