Basics of Robotics Class 7 MCQs
Basics of Robotics – MCQs with Answers & Explanations
Class: 7 |
Subject: Computer Science |
Section: Emerging Technologies |
Topic: Basics of Robotics
CBSE Board Examination – NCERT Based Practice Questions
CBSE Board Examination – NCERT Based Practice Questions
These Multiple Choice Questions (MCQs) are designed strictly as per the NCERT syllabus, making them ideal for CBSE Class 7 Computer Science examination preparation.
1. What is a robot?
Answer: B. A programmable machine
Explanation: A robot is a machine that can be programmed to perform tasks automatically or with minimal human help.
Explanation: A robot is a machine that can be programmed to perform tasks automatically or with minimal human help.
2. The science of designing robots is called:
Answer: B. Robotics
Explanation: Robotics is the branch of technology that deals with the design, construction, and operation of robots.
Explanation: Robotics is the branch of technology that deals with the design, construction, and operation of robots.
3. Robots work based on:
Answer: B. Programs and instructions
Explanation: Robots follow coded instructions given by programmers to perform tasks.
Explanation: Robots follow coded instructions given by programmers to perform tasks.
4. Which part of a robot acts like its “brain”?
Answer: B. Controller
Explanation: The controller processes instructions and controls all robot actions, similar to a human brain.
Explanation: The controller processes instructions and controls all robot actions, similar to a human brain.
5. Sensors help robots to:
Answer: B. Sense surroundings
Explanation: Sensors detect light, heat, distance, sound, etc., helping robots understand their environment.
Explanation: Sensors detect light, heat, distance, sound, etc., helping robots understand their environment.
6. Which of the following is an example of a robot?
Answer: B. Industrial robotic arm
Explanation: Industrial robots are programmable machines used in factories.
Explanation: Industrial robots are programmable machines used in factories.
7. Robots are commonly used in:
Answer: D. All of these
Explanation: Robots are widely used in manufacturing, medical surgery, and space exploration.
Explanation: Robots are widely used in manufacturing, medical surgery, and space exploration.
8. A robot that looks like a human is called:
Answer: A. Android/Humanoid
Explanation: Humanoid robots are designed to resemble human appearance and actions.
Explanation: Humanoid robots are designed to resemble human appearance and actions.
9. Which device helps a robot move?
Answer: A. Actuator/Motor
Explanation: Motors and actuators create movement in robots.
Explanation: Motors and actuators create movement in robots.
10. Robots can work in dangerous places because they:
Answer: B
Explanation: Robots can handle risky tasks like bomb disposal or deep-sea work safely.
Explanation: Robots can handle risky tasks like bomb disposal or deep-sea work safely.
11. The first step in robotics is:
Answer: B
Explanation: Designing defines structure and function before building/programming.
Explanation: Designing defines structure and function before building/programming.
12. Robots follow instructions stored in:
Answer: A
Explanation: Programs are stored in robot memory.
Explanation: Programs are stored in robot memory.
13. Which field is related to robotics?
Answer: D
Explanation: Robotics is interdisciplinary.
Explanation: Robotics is interdisciplinary.
14. Robots in space are used to:
Answer: D
Explanation: Space robots perform multiple exploration tasks.
Explanation: Space robots perform multiple exploration tasks.
15. Drone is a type of:
Answer: A
Explanation: Drones are unmanned aerial robots.
Explanation: Drones are unmanned aerial robots.
16. Robots help doctors in:
Answer: D
Explanation: Medical robots assist in precise treatments.
Explanation: Medical robots assist in precise treatments.
17. Line-following robots use:
Answer: A
Explanation: They detect lines using light/IR sensors.
Explanation: They detect lines using light/IR sensors.
18. Robots increase:
Answer: D
Explanation: Automation improves efficiency.
Explanation: Automation improves efficiency.
19. Household robots example:
Answer: A
Explanation: Robotic vacuum cleaners work autonomously.
Explanation: Robotic vacuum cleaners work autonomously.
20. Future of robotics is:
Answer: A
Explanation: Robotics is growing in education, industry, and daily life.
Explanation: Robotics is growing in education, industry, and daily life.
