The 'Kessler Syndrome' is related to:

Regarding India's 'Gaganyaan' mission, which of the following statements is correct?

What is the primary objective of NASA's 'Artemis III' mission, planned for 2026?

What is the primary objective of the 'NISAR' mission?

Which of the following technologies is used in the 'FASTag' system in India?

With reference to 'Visible Light Communication' (VLC) technology, which of the following statements is/are correct? 1. VLC uses electromagnetic spectrum wavelengths between 375 and 780 nm. 2. VLC is known as Li-Fi (Light Fidelity). 3. VLC cannot pass through opaque objects. Select the correct answer:

Consider the following regarding 'CRISPR-Cas9' technology: 1. It is a gene-editing tool that acts like 'molecular scissors'. 2. It can be used to treat genetic diseases by modifying DNA sequences. Which of the statements is/are correct?

Consider the following regarding the 'Unified Payments Interface' (UPI) in March 2026: 1. UPI 2.0 allows for 'UPI Autopay' for recurring payments. 2. In 2026, UPI services have been cross-linked with Singapore's PayNow and UAE's AANI for instant cross-border transfers. Which of the above is/are correct?

Regarding the 'High Altitude Pseudo-Satellite' (HAPS) developed by India in 2026, consider the following: 1. It is a solar-powered unmanned aircraft that can fly in the stratosphere for months. 2. It acts as a bridge between conventional satellites and high-altitude drones for surveillance and communication. Which is correct?

Regarding 'Small Modular Reactors' (SMRs) discussed in 2026, consider the following: 1. They have a power capacity of up to 300 MW per unit. 2. They are designed to be built in factories and transported to sites for installation. Which statement is correct?

In the context of 'Internal Security', the 'Grey Zone Warfare' refers to:

Consider the following statements regarding 'NavIC' (Navigation with Indian Constellation) as of March 2026: 1. It consists of a constellation of 7 satellites providing positioning services over India and an area extending up to 1500 km from its boundary. 2. In 2026, India successfully integrated the 'L1 band' in all new NavIC satellites to enhance compatibility with civilian smartphones. Which of the statements given above is/are correct?

Consider the following statements about 'Mission Shakti', India's anti-satellite (ASAT) missile test: 1. It used a Kinetic Kill vehicle to destroy a live satellite in Low Earth Orbit (LEO). 2. With this test, India became the fourth nation to possess ASAT capabilities after the US, Russia, and China. Which of the statements is/are correct?

Consider the following regarding 'Micro-LED' technology compared to 'OLED': 1. Micro-LEDs use inorganic materials like Gallium Nitride. 2. Micro-LEDs offer higher brightness and longer lifespan than OLEDs. 3. Micro-LEDs are easier to mass-produce for large screens at a lower cost. Which of the statements given above are correct?

Consider the following regarding the 'Kessler Syndrome': 1. It is a scenario where the density of objects in Low Earth Orbit (LEO) is high enough that collisions could cause a cascade effect. 2. It primarily poses a risk to the safety of future satellite launches and space travel. Which is correct?