Answer: A. Scanning Tunneling Microscope

Explanation: STM stands for Scanning Tunneling Microscope. This advanced imaging technique enables visualization of surfaces at the atomic scale by measuring tunneling currents between a conductive tip and the sample.

Answer: C. 13km northwest

Explanation: After traveling the described route, the net displacement places the person 13 km northwest of the starting point. Vector analysis confirms that the combined movements result in a northwestward direction.

Answer: A. Aryabhatta

Explanation: Aryabhatta was the first satellite launched by India, marking a significant milestone in the country’s space program. It demonstrated indigenous technological capabilities and initiated further advancements in space exploration.

Answer: C. confiscated

Explanation: When goods are smuggled, customs authorities have the legal power to confiscate them. This is a common penalty intended to deter illegal importation and ensure compliance with trade regulations.

Answer: B. NASDAQ

Explanation: NASDAQ is a major American stock exchange, and its name is synonymous with the high-tech share market. It plays a critical role in global finance by listing numerous technology companies.

Answer: D. Methane and CO2

Explanation: Global warming results from increased concentrations of greenhouse gases, especially methane and carbon dioxide, in the atmosphere. These gases trap heat and contribute significantly to climate change and rising global temperatures.

Answer: B. N

Explanation: Midpoint of G (7) and W (23) is 15→O; the succeeding letter is P, not N.

Answer: A. Fri Nov 14 2025 13:30:00 GMT+0530 (India Standard Time)

Explanation: World Diabetes Day is observed annually on 14 November to raise global awareness about diabetes, promote prevention strategies, and encourage efforts to improve the quality of life for those affected by the disease.

Answer: A. 28

Explanation: In the series provided, the number 28 is inconsistent with the underlying pattern. Identifying the anomaly requires recognizing the progression and determining which number does not fit the expected mathematical sequence.

Answer: D. Valley

Explanation: The antonym for a mountain, which is a high landform, is a valley, a low-lying area between hills or mountains. Valleys are formed by erosion and serve as natural passages for rivers.

Answer: B. 10 years

Explanation: By setting up equations based on the given relationships and total age, it is determined that B is 10 years old. This problem tests logical reasoning and algebraic manipulation skills.

Answer: B. Benjamin Minge Duggar

Explanation: Aureomycin, an antibiotic, was discovered by Benjamin Minge Duggar. His research contributed significantly to the development of antimicrobial agents in the mid-20th century.

Answer: A. 10°

Explanation: At 4:20, the calculated angle between the minute and hour hands of a clock is approximately 10°. This value is derived using standard clock angle formulas and represents the minimal angular difference at that specific time.

Answer: D. 1975

Explanation: India won its first international Hockey World Cup in 1975. This victory marked a historic moment in Indian sports, reflecting the country's strong legacy and passion for hockey on the global stage.

Answer: A. A

Explanation: The diagram labeled A correctly represents the relationships among women, mothers, and parents, accurately depicting the generational and familial connections in a clear and logical manner.

Answer: B. Bhopal

Explanation: The methyl isocyanate gas tragedy occurred in Bhopal, India. This industrial disaster resulted in massive loss of life and long-term environmental and health consequences, highlighting the importance of stringent safety regulations.

Answer: A. Joseph Priestley

Explanation: Joseph Priestley is historically credited with discovering oxygen. His experiments in the 18th century led to the identification of this vital gas, which is essential for respiration and combustion processes.

Answer: C. 64

Explanation: The number 64 has a square root of 8 and a cubic root of 4, making the square root exactly twice the cubic root. This relationship is verified mathematically and is unique among the options provided.

Answer: A. Convulse

Explanation: Among the given words, 'soothe,' 'compose,' and 'assuage' all imply calming or easing, while 'convulse' means to shake violently, making it the word that does not convey a similar meaning.

Answer: D. Diminish

Explanation: Mitigate means to diminish or lessen the severity, seriousness, or painfulness of something. In pharmacology and public health, it refers to reducing the negative effects or risks associated with a drug or condition.