Science & Technology – 200 MCQs (Page 5)

Shaktimatha Learning – Competitive Exams Special

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MCQs (161–200)

161. Main function of Internet?
A) Communication
B) Storage
C) Output
D) Input

162. Email is used for?
A) Communication
B) Storage
C) Device
D) Network

163. Website is?
A) Page
B) Collection of pages
C) Device
D) Network

164. Example of search engine?
A) Chrome
B) Google
C) CPU
D) RAM

165. Example of browser?
A) Google
B) Chrome
C) CPU
D) RAM

166. URL means?
A) Address
B) Device
C) Software
D) Network

167. IP address is used to?
A) Identify device
B) Store data
C) Output
D) Input

168. Cyber security is needed for?
A) Protection
B) Storage
C) Speed
D) Output

169. Hacker is?
A) User
B) Unauthorized access person
C) Teacher
D) Student

170. Virus causes?
A) Damage system
B) Improve speed
C) Store data
D) None

171. Cloud computing is used for?
A) Online storage
B) Offline storage
C) Hardware
D) Device

172. Server does?
A) Provide data
B) Store data
C) Both
D) None

173. Client is?
A) Server
B) User device
C) Network
D) Software

174. LAN stands for?
A) Local Area Network
B) Large Area Network
C) Long Area Network
D) None

175. WAN stands for?
A) Wide Area Network
B) Web Area Network
C) Wireless Area Network
D) None

176. Router is used to?
A) Connect networks
B) Store data
C) Output
D) Input

177. Modem is used to?
A) Connect internet
B) Store data
C) Output
D) Input

178. GPS is used for?
A) Navigation
B) Storage
C) Input
D) Output

179. Satellite is used for?
A) Communication
B) Weather
C) Navigation
D) All of the above

180. Drone is?
A) Flying device
B) Software
C) Network
D) Storage

181. AI is used in?
A) Healthcare
B) Banking
C) Education
D) All of the above

182. Machine Learning means?
A) Learning by machines
B) Hardware
C) Network
D) Device

183. Deep Learning is?
A) Advanced ML
B) Software
C) Hardware
D) Network

184. Robotics is used in?
A) Industry
B) Medicine
C) Defence
D) All of the above

185. Biotechnology is used in?
A) Agriculture
B) Medicine
C) Food production
D) All of the above

186. Genetic engineering is?
A) DNA modification
B) Hardware
C) Software
D) Network

187. Vaccine helps in?
A) Building immunity
B) Storing energy
C) Output
D) Input

188. Pandemic means?
A) Global disease spread
B) Local disease
C) Device
D) Network

189. Telemedicine means?
A) Remote treatment
B) Hospital
C) Device
D) Software

190. Digital payment is?
A) Online transaction
B) Cash
C) Storage
D) None

191. UPI is used for?
A) Payment
B) Storage
C) Output
D) Input

192. OTP stands for?
A) One Time Password
B) One Type Password
C) Online Password
D) None

193. QR code is used for?
A) Payment
B) Storage
C) Output
D) Input

194. Blockchain is?
A) Digital ledger
B) Device
C) Software
D) Network

195. Cryptocurrency is?
A) Digital currency
B) Paper currency
C) Coin
D) None

196. Example of renewable energy?
A) Solar
B) Coal
C) Petrol
D) Diesel

197. Non-renewable energy is?
A) Wind
B) Solar
C) Coal
D) Water

198. Pollution means?
A) Contamination
B) Clean air
C) Energy
D) Water

199. Cause of global warming?
A) CO₂
B) Oxygen
C) Nitrogen
D) Hydrogen

200. Ozone layer protects from?
A) UV rays
B) Heat
C) Rain
D) Wind

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Answer Key (161–200)

161. A
162. A
163. B
164. B
165. B
166. A
167. A
168. A
169. B
170. A
171. A
172. C
173. B
174. A
175. A
176. A
177. A
178. A
179. D
180. A
181. D
182. A
183. A
184. D
185. D
186. A
187. A
188. A
189. A
190. A
191. A
192. A
193. A
194. A
195. A
196. A
197. C
198. A
199. A
200. A

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