Science-technology Questions - upsc Practice

#1

Consider the following statements regarding the Black Holes: 1. It is a place in space where gravity pulls so much that even light cannot escape. 2. Every black hole has a gravitational singularity and an event horizon. Which of the statements given above is/are correct?

1 only 2 only Both 1 and 2 Neither 1 nor 2

#2

Consider the following statements regarding gravitational lensing: 1. It occurs when a massive celestial body causes sufficient curvature of spacetime for the path of light around it to be visibly bent. 2. It is based on Kepler’s law of planetary motion. 3. The Hubble Space Telescope was the first to observe galaxies that are affected by gravitational lensing. Which of the following statements is/are correct?

1 only 2 and 3 only 1, 2, and 3 1 and 3 only

#3

‘Smart Lander for Investigating Moon (SLIM)’ is launched by which one of the following space organisations?

European Space Agency Indian Space Research Organisation National Aeronautics and Space Administration Japan Aerospace Exploration Agency

#4

“LUX-ZEPLIN (LZ)”, often mentioned in the news, is in the context of which one of the following?

A near-earth asteroid A Gravitational-Wave Observatory A newly discovered exoplanet closest to the Sun A dark matter detection experiment

#5

The term “Apophis” is often mentioned in the news is related to:

A new space galaxy An exoplanet A near earth asteroid A black hole

#6

Which of the following statement is incorrect with respect to INSAT-3DS satellite?

It is exclusively designed for land and ocean surfaces for weather forecasting and disaster warning. It is the exclusive in-orbit satellite that will be augmenting meteorological services in India. GSLV-F14 will place the INSAT-3DS satellite in geostationary transfer orbit. It is developed by ISRO and is a follow-on mission of the third generation meteorological satellite from geostationary orbit.

#7

The ‘Square Kilometre Array (SKA)’ project, sometimes mentioned in the news in the context of which of the following?

Renewable Energy Satellite Technology Astronomical Research Climate Change

#8

What is ‘HS200’, which was recently mentioned in the news?

Aircraft Drone Rocket booster Nanosatellite

#9

Consider the following statements regarding satellite orbits: 1. Satellites in the High Earth Orbit (HEO) move more slowly relative to the Earth’s rotation than those in the Low Earth Orbit (LEO). 2. The geostationary orbit is a type of geosynchronous orbit with zero inclination and eccentricity. Which of the above statements is/are correct?

1 only 2 only Both 1 and 2 Neither 1 nor 2

#10

Consider the following statements with respect to Gaganyaan mission of India: 1. The Gaganyaan Programme envisages undertaking the demonstration of human spaceflight to the Low Earth Orbit. 2. The Launch Vehicle Mark-3 is identified as the launch vehicle for the Gaganyaan mission. Which of the statements given above is/are correct?

1 only 2 only Both 1 and 2 Neither 1 nor 2

#11

Consider the following statements : Statement-1: The X-ray Polarimeter Satellite(XPoSat) is launched by Indian Space Research Organisation (ISRO) with collaboration Raman Research Institute (RRI). Statement-2: XPoSat is the world’s first and only mission dedicated to study x-ray polarized lights from space objects. Which one of the following is correct in respect of the above statements ?

Both Statement-1 and Statement-2 are correct and Statement-2 is the correct explanation for Statement-1 Both Statement-1 and Statement-2 are correct and Statement-2 is not the correct explanation for Statement-1 Statement-1 is correct but Statement-2 is incorrect Statement-1 is incorrect but Statement-2 is correct

#12

Consider the following statements: 1. Dark matter is a form of matter that does not emit or absorb, making it invisible and detectable only through its gravitational effects. 2. Dark energy is a form of energy thought to permeate all of space, tending to accelerate the expansion of the universe. 3. Dark matter constitutes the majority of the universe, while dark energy is a negligible component. How many of the statements given above are correct?

Only one Only two All three None

#13

With reference to the ‘Lagrange points’, consider the following statements: 1. They are only found in the Earth-Moon system. 2. The James Webb Space Telescope is positioned at the second Lagrange point L2. 3. These can be used by spacecraft to reduce fuel consumption. How many statements given above are correct?

Only one Only two All three None

#14

With respect to the Solar Ultraviolet Imaging Telescope (SUIT), consider the following: 1. It captured images of the Sun’s photosphere and chromosphere. 2. It helps scientists study the dynamic coupling of the magnetized solar atmosphere. 3. It was developed through collaborative efforts of NASA and the European Space Agency (ESA). How many of the statements given above is/are incorrect?

Only one Only two All three None

#15

With reference to the ‘Procellarum KREEP Terrane (PKT)’, consider the following statements: 1. It is a region on the Moon’s north pole with high concentrations of water ice. 2. It is unusually rich in potassium (K) and rare Earth elements. 3. It has radioactive elements that provide the heat to melt rocks. How many of the statements given above are correct?

Only one Only two All three None

#16

Which one of the following best describes the term “Tidal Locking” sometimes seen in news?

The process by which a planet or moon’s rotation speed increases over time. The locking of tides to the lunar phases, affecting ocean currents on Earth. A phenomenon where a celestial body always shows the same face to the object it orbits due to its orbital and rotational periods being the same. The gravitational locking of Earth’s tides, causing them to become stationary

#17

‘Euclid mission’ which was seen in the news recently, consider the following statements: 1. Euclid space telescope has been developed by the European Space Agency with technical support from JAXA Japan Aerospace Exploration Agency. 2. The aim of the mission is to expand human understanding on dark matters and dark energy. Which of the statements given above is/are correct?

1 only 2 only Both 1 and 2 Neither 1 nor 2

#18

Consider the following statements about the James Webb Space Telescope(JWST): 1. It has been built under an international collaboration between NASA, European Space Agency and the Indian Space Research Organization 2. Like the Hubble Space Telescope, the JWST also makes primary observations in the visible light spectrum. 3. It has been placed on Lagrangian Point 1 of the Sun Earth System How many of the statements given above are correct?

Only one Only two All three None

#19

The term “Local Bubble”, is used in the context of:

Cavity in the interstellar medium Lithospheric rupture Underwater earthquakes Eye of a cyclone

#20

Consider the following statements regarding DART Mission: 1. It is the first-ever space mission to demonstrate asteroid deflection by kinetic impactor. 2. It has been launched by NASA to impact and change the speed of the asteroid Bennu. Which of the statements given above is/are incorrect?

1 only 2 only Both 1 and 2 Neither 1 nor 2