Explain the difference between active and passive immunity.

Points to Remember: Active immunity involves the body’s own immune system producing antibodies. Passive immunity involves receiving pre-made antibodies from an external source. Active immunity is long-lasting, while passive immunity is temporary. Both types of immunity are crucial for protecting against infectious diseases. Introduction: Immunity is the body’s ability to resist infection and disease. This … Read more Explain the difference between active and passive immunity.

Mention the features of digital computers.

Points to Remember: Speed: Digital computers process information incredibly fast. Accuracy: They perform calculations with high precision and minimal errors. Storage Capacity: They can store vast amounts of data. Automation: They can execute complex tasks automatically. Versatility: They can be used for a wide range of applications. Reliability: Modern digital computers are designed for high … Read more Mention the features of digital computers.

What is the concept of ‘Biosphere Reserve’?

Points to Remember: Definition and Objectives of Biosphere Reserves Zoning of Biosphere Reserves Functions of Biosphere Reserves Examples of Biosphere Reserves Importance and Challenges Introduction: The concept of a Biosphere Reserve is rooted in the growing global awareness of the need to conserve biodiversity and promote sustainable development. UNESCO’s Man and the Biosphere Programme (MAB) … Read more What is the concept of ‘Biosphere Reserve’?

Explain the importance of immunology.

Points to Remember: The crucial role of the immune system in protecting against disease. The applications of immunology in disease prevention and treatment. The economic and societal impact of immunological advancements. The ethical considerations surrounding immunological research and applications. Introduction: Immunology, the study of the immune system, is a cornerstone of modern biology and medicine. … Read more Explain the importance of immunology.

Explain the effect of temperature on the surface tension of liquids.

Points to Remember: Surface tension is the tendency of liquid surfaces to shrink into the minimum surface area possible. Temperature affects the intermolecular forces within a liquid, directly impacting surface tension. Generally, surface tension decreases with increasing temperature. Introduction: Surface tension is a crucial property of liquids, arising from the cohesive forces between liquid molecules. … Read more Explain the effect of temperature on the surface tension of liquids.

Mention the applications of the Global Positioning System (GPS).

Points to Remember: GPS technology’s core function is precise location determination. Applications span numerous sectors, from navigation to scientific research. Accuracy and reliability are crucial for effective application. Ethical considerations and potential misuse need addressing. Introduction: The Global Positioning System (GPS) is a satellite-based radionavigation system operated by the United States Department of Defense. It … Read more Mention the applications of the Global Positioning System (GPS).

Differentiate between nuclear fission and nuclear fusion.

Points to Remember: Nuclear Fission: Splitting of a heavy atomic nucleus into smaller nuclei. Nuclear Fusion: Combining of two light atomic nuclei to form a heavier nucleus. Energy release mechanism: Fission releases energy by reducing mass; fusion releases energy by converting mass into energy. Byproducts: Fission produces radioactive waste; Fusion produces minimal radioactive waste. Applications: … Read more Differentiate between nuclear fission and nuclear fusion.

“Devbhumi should also become Khelbhumi.” Citing recent initiatives of the Uttarakhand Government to promote sports in the state, examine this statement. Do you think that sports can transform the economy and health of the state?

Points to Remember: Uttarakhand’s potential as a sports hub (“Khelbhumi”) alongside its natural beauty (“Devbhumi”). Recent Uttarakhand government initiatives in sports development. Economic impact of sports – job creation, tourism, etc. Health impact of sports – improved fitness, reduced disease. Challenges in developing sports infrastructure and talent. Introduction: Uttarakhand, known as “Devbhumi” (Land of Gods) … Read more “Devbhumi should also become Khelbhumi.” Citing recent initiatives of the Uttarakhand Government to promote sports in the state, examine this statement. Do you think that sports can transform the economy and health of the state?