సైన్స్ మరియు సాంకేతికం – 200 MCQs (Page 4)
Shaktimatha Learning – Competitive Exams Special
MCQs (121–160)
121. Renewable energy కి ఉదాహరణ ఏది?
A) Coal
B) Petrol
C) Solar energy
D) Diesel
122. Non-renewable energy ఏది?
A) Wind
B) Solar
C) Coal
D) Water
123. Solar panel పని ఏమిటి?
A) Heat produce
B) Electricity produce
C) Store energy
D) None
124. Wind energy ఎలా ఉత్పత్తి అవుతుంది?
A) Water
B) Air movement
C) Heat
D) Light
125. Hydroelectric power ఎలా ఉత్పత్తి అవుతుంది?
A) Air
B) Sun
C) Water
D) Soil
126. Fossil fuels అంటే ఏమిటి?
A) Renewable
B) Non-renewable
C) Unlimited
D) Clean
127. Global warming కారణం ఏమిటి?
A) Oxygen
B) Carbon dioxide
C) Nitrogen
D) Hydrogen
128. Greenhouse gases ఉదాహరణ ఏది?
A) Oxygen
B) CO₂
C) Nitrogen
D) Helium
129. Ozone layer పని ఏమిటి?
A) Heat increase
B) UV rays protection
C) Rainfall
D) Wind
130. Pollution అంటే ఏమిటి?
A) Clean air
B) Contamination
C) Energy
D) Water
131. Electric vehicle ప్రయోజనం ఏమిటి?
A) Pollution
B) Less pollution
C) Noise
D) Fuel use
132. Battery పని ఏమిటి?
A) Store energy
B) Produce energy
C) Destroy energy
D) None
133. Nuclear energy ఎలా ఉత్పత్తి అవుతుంది?
A) Chemical reaction
B) Nuclear reaction
C) Air
D) Water
134. Robotics ఏ రంగంలో ఉపయోగం ఉంది?
A) Industry
B) Medicine
C) Defence
D) All
135. AI ఉపయోగం ఎక్కడ ఉంది?
A) Healthcare
B) Banking
C) Education
D) All
136. Machine Learning ఏదిలో భాగం?
A) AI
B) Hardware
C) Network
D) Device
137. Data Science అంటే ఏమిటి?
A) Data analysis
B) Storage
C) Hardware
D) Network
138. Big Data అంటే ఏమిటి?
A) Small data
B) Large data sets
C) Device
D) Software
139. Cloud storage ప్రయోజనం ఏమిటి?
A) Data storage online
B) Offline storage
C) Hardware
D) Device
140. Cyber crime అంటే ఏమిటి?
A) Legal activity
B) Illegal online activity
C) Hardware
D) Software
141. Firewall పని ఏమిటి?
A) Security
B) Storage
C) Input
D) Output
142. Antivirus పని ఏమిటి?
A) Speed
B) Protection
C) Storage
D) Output
143. Encryption ఎందుకు ఉపయోగిస్తారు?
A) Security
B) Storage
C) Output
D) Input
144. Blockchain ఉపయోగం ఏమిటి?
A) Digital records
B) Storage
C) Hardware
D) Network
145. Cryptocurrency అంటే ఏమిటి?
A) Digital money
B) Paper money
C) Coin
D) None
146. Drone ఉపయోగం ఏమిటి?
A) Survey
B) Delivery
C) Defence
D) All
147. Satellite ఉపయోగం ఏమిటి?
A) Communication
B) Weather
C) Navigation
D) All
148. GPS ఉపయోగం ఏమిటి?
A) Location tracking
B) Storage
C) Input
D) Output
149. Space technology ఉపయోగం ఏమిటి?
A) Communication
B) Weather
C) Navigation
D) All
150. Biotechnology ఉపయోగం ఎక్కడ ఉంది?
A) Agriculture
B) Medicine
C) Food production
D) All
151. Genetic engineering అంటే ఏమిటి?
A) DNA modification
B) Hardware
C) Software
D) Network
152. Vaccine ఎలా పనిచేస్తుంది?
A) Kill disease
B) Build immunity
C) Store energy
D) None
153. Pandemic అంటే ఏమిటి?
A) Local disease
B) Global disease spread
C) Device
D) Network
154. Telemedicine అంటే ఏమిటి?
A) Remote treatment
B) Hospital
C) Device
D) Software
155. 5G ప్రయోజనం ఏమిటి?
A) Slow internet
B) Fast internet
C) No internet
D) None
156. Internet of Things అంటే ఏమిటి?
A) Connected devices
B) Connected people
C) Connected data
D) None
157. Smart city అంటే ఏమిటి?
A) Digital city
B) Village
C) Hardware
D) Network
158. Digital India లక్ష్యం ఏమిటి?
A) Digital services
B) Agriculture
C) Defence
D) None
159. E-governance అంటే ఏమిటి?
A) Digital government services
B) Manual work
C) Offline work
D) None
160. Startup అంటే ఏమిటి?
A) New business
B) Old business
C) Device
D) Network
Answer Key (121–160)
121. C
122. C
123. B
124. B
125. C
126. B
127. B
128. B
129. B
130. B
131. B
132. A
133. B
134. D
135. D
136. A
137. A
138. B
139. A
140. B
141. A
142. B
143. A
144. A
145. A
146. D
147. D
148. A
149. D
150. D
151. A
152. B
153. B
154. A
155. B
156. A
157. A
158. A
159. A
160. A
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