Current Affair Grade 4

Which innovative measurement tool uses laser beams to precisely measure distances and has applications in surveying and construction?

• G Counter

•  Spectrophotometer

• LiDar

• Particle accelerator

Which innovative measurement device is used to measure blood sugar levels in our body?

• Stethoscope

• Blood pressure monitor

• Glucometer

• Oximeter

What is the full form of SI?

• Standard International

• System Iternational

• Scientific International

• Science International

What does a weighing scale measure?

• Length

• Volume

• Weight

• Height

What is the function of a compass rose on a map?

• To explain the meaning of symbols and colors on a map

• To transform the Earth's surface onto a flat map

• To indicate the cardinal directions

• To locate specific points on a map

 Which ancient civilizations made significant contributions to cartography?

• 1. China and India

• 1. Mesopotamia and Egypt

• 1. Maya and Aztec

• Greece and Rome

Which device is used to identify directions?

• Map

• Scale

• Magnetic Rods

• Compass

What is the purpose of using google earth?

• To provide accurate geographic features

• To facilitate communication

• To convey information

• 1. All of the above

 बल्ब का आविष्कार  किसने किया था। 

• डॉ. ए. पी.जे. कलाम

• जोसफ स्वान 

  
  

• थॉमस ऐल्वा एडीसन

एडिसन कौन थे ?

• वैज्ञानिक

  
  

• डॉक्टर

• वकील