Olympiad Test: Science and Technology - Class 2 MCQ

Technology has benefited education in several significant ways:

• It has introduced smart classrooms, enhancing the learning environment.
• Access to multimedia computers has improved the delivery of information.
• Students can engage with interactive content, making learning more dynamic.
• Technology facilitates collaboration among students and teachers.

Science and technology significantly enhance human life through various means:

• Time-saving: Innovations streamline tasks, reducing the time needed for daily activities.
• Cost efficiency: Technological advancements often lower costs, making goods and services more affordable.
• Improved convenience: Tools and gadgets simplify complex processes, increasing ease of use.

Overall, the contributions of science and technology lead to a more efficient and manageable lifestyle.

Technology is used in medicine to enhance diagnosis and treatment through various devices.

• It enables the creation of medical devices such as:
• X-ray machines for imaging bones and detecting issues.
• MRI machines for detailed images of organs and tissues.
• These technologies improve patient care by providing accurate information.
• They also facilitate non-invasive procedures, reducing recovery time.

The part of the computer used for typing is the keyboard. It allows the user to input text, numbers, and commands into the computer.

A telephone is a device used for communication.

It enables people to:

• Talk to each other from long distances.
• Exchange information quickly and easily.
• Stay connected regardless of geographical barriers.

In contrast, devices like a refrigerator, washing machine, and television serve different purposes and are not primarily designed for communication.

Medicine has greatly benefited from advancements such as:

• Pacemakers that regulate heart rhythms.
• Innovative surgical techniques that improve patient outcomes.

These developments have transformed treatment options and enhanced overall health care.

A torch helps us to see in the dark by providing light. It is a portable light source used in dark or low-light conditions.

Technology benefits agriculture by developing new crops, improving farming techniques, and creating more efficient tools and machinery for planting, irrigation, harvesting, and processing. These advancements help increase crop yields, reduce labor, and improve sustainability in farming.

A computer is used for a wide variety of tasks such as playing games, writing documents, creating drawings, browsing the internet, and much more.

The primary use of science in environmental protection is to study and understand the impact of human activity on the environment. Through scientific research, we can assess environmental issues such as pollution, climate change, and biodiversity loss, and develop solutions to protect and preserve the environment.