– Prelims Questions S&T and Environment
1) Nano impact in nano technology is because of Statement 1) increase in the relative surface area offered by a material to react Statement 2) quantum effect
a) Nano impact is only because of statement 1
b) Nano impact is only because of statement 2
c) Nano impact is because of statements 1 & 2
d) None of the above
2) Consider the following statements
1) Lagrange orbits are halo orbits
2) Lagrangian points are points of equilibrium for small-mass objects under the gravitational influence of two massive orbiting bodies Which of the above statements are correct
a) statement 1 only b) statement 2 only
c) both 1&2 d) none of the above
3) Dark energy is
statement 1) a theoretical form of energy postulated to act in opposition to gravity and to occupy the entire universe, statement 2) dark energy accounting for most of the energy in the universe and causing its expansion to accelerate.
a) Statement 1 is right
b) Statement 2 is right
c) Statements 1&2 are right
d) None of the above
4) Statement 1) Specific heat of water is one of the reasons for violent weather.
Statement 2) specific heat of water is more than iron
a) Statement 1 is right
b) Statement 2 is right
c) Statements 1&2 are right
d) None of the above
5) Quantum computing is possible because of statement 1) Quantum state: where a particle can be in multiple states at once statement 2) Qubits are the smallest things in which we know how to store information in quantum computing.
A) Statement 1 is right
B) Statement 2 is right
C) Statements 1&2 are right
D) None of the above
6) The 5 th generation fighter flight has the following characteristics
1)Stealth
2)High manoeuvrability
3)supersonic cruise
4)Low radar signature
a) all the above b) only 1&3
c) 1,2&3 d) only 1&2
7) Statement 1) metaverse generally refers to the concept of a highly immersive virtual world where people gather to socialize, play, and work.
Statement 2) Metaverse is a place where augmented and virtual reality, next-generation data networks, and decentralized financing and payment systems contribute to a more realistic and immersive digital world Which of the above statements are true regarding metaverse
a) 1&2 b) only 1
c) only 2 d) none of the above
8) Identify the herbivorous reptile/reptiles in following list 1)Iguana 2) Adult green turtles 3) garden lizards 4) Gecko
a) 1&2 b)only 2
c) all the above d) only 2
9) Consider the following statements
1) about 70% of the oxygen in the atmosphere comes from marine plants and plant like organisms.
2) the dominant class releasing oxygen is phytoplankton
3) Phytoplankton includes cyanobacteria, green algae, diatoms, and dinoflagellates. Identify the correct statements
a) all the above b) only 1&3
c) 1, 2&3 d) only 1&2
10) Identify the right statements
1) Tejas Mk1A an indigenous 4.5 generation, all-weather and multi-role fighter aircraft for the Indian Air Force.
2) Tejas is only a 4 th generation air craft
3) Designed by the Aeronautical Development Agency (ADA) and manufactured by Hindustan Aeronautics Limited (HAL) for the Indian Air Force (IAF) and Indian Navy.
4) Tejas is only for air force
a) only 1&3 b) only 2&4
c) only 1 d) only 3
11) In the stages of nuclear reactors technology, there is difference between Indian reactors and rest of the world reactors. What are the reasons attributed for this difference?
1) India is isolated from NSG
2) India started using alternative fuels like plutonium and thorium
3) India’s nuclear programme is running under the dearth of uranium
a) Only 1 b) only 2&3
c) All the above d) only 1&2
12) The technologies required for running submarines effectively are
1) Air Independent Propulsion (AIP)
2) High power batteries
3) Nuclear technology
a) Only 2 b) only 2&3
c) all the above d) 1&2
13) The main difficulties in conducting thermonuclear reaction are
1)Maintaining high density of the fuel
2)Maintaining high temperature
3)Tapping the energy released in very short span of time
How many of the above statements are true
a) Only 1 b) only 2
c) 1&2 d) all the above
14) Consider the following statements regarding Chandrayaan-3
1) (ChaSTE) – thermal conductivity and temperature
2) (ILSA) – for measuring the seismicity around the landing site
3) (LP) – to estimate the plasma density and its variations. Which one of the following are wrongly matched
a) Only 3 b) only 1
c) 1&2 d) non of them
15) Identify the flight less birds of the following
1) Cassowary 2) The kakapo 3) Rheas 4) lyrebird
a) All the above b) 1,2 &3
c) 3&4 d) only 1&2
16) Which of the following class of plants are called the amphibians of the plant kingdom.
a) Bryophytes b) Pteridophytes
c) Gymnosperm d) Angiosperms
17) The most widely recognized living fossil of the plant kingdom is/are
1) Ginkgo tree
2) Cycas
3) Dawn Redwood tree
4) Angiosperms
a) All the above b) non of the above
c) only a,b, &c d) only 1&2
18) Consider the statements regarding desertification
1) Desertification decreases the carrying capacity of an ecosystem
2) Soil Erosion is one of the reasons for desertification and desertification increases soil erosion
3) Desertification increases the carrying capacity of the ecosystem
4) Desertification can be checked by watershed management
Which of the above statements are true
a) All the above b) only 1,2&3
c) only 1,2&4 d) only 1&4
19) Climate change is because of
1) Anthropogenic factors
2) Natural factors
3) Variation in the sunspot activity
4) Changes in the circumference of the Earth’s orbit since its origin
a) All the above b) only 1,2&3
c) only 1,2&4 d) only 1&4
20) Regarding BIOLOGICAL DIVERSITY ACT, 2002 Consider the following statements, which of the below are part of the act
(i) Conservation of biological diversity;
(ii) Sustainable use of its components; and
(iii) Fair and equitable sharing of the benefits arising from the utilization of genetic resources.
(iv) protecting exotic species
a) All the above b) only 1,2&3
c) only 1,2&4 d) only 1&4
21) The Wildlife (Protection) Act of 1972
Identify the right statement/statements
1) “Forest” including “Wildlife” was then a State subject falling in Entry 20 List II of Seventh Schedule, Parliament had no power to make law on the same except as provided in Articles 249,250 and 252 of the constitution.
2) After the enactment of Jammu & Kashmir Reorganization Act, 2019 by the Parliament, the Jammu & Kashmir Wildlife (Protection) Act, 1978 was repealed was the Central Act, i.e; Wildlife Protection Act, 1972 became applicable to the Union Territory of Jammu & Kashmir.
3) The Act was amended subsequently in 1982, 1986, 1991 and 1993 to accommodate provision for its effective implementation.
a) Only 1 b) only 3
c) all the above d) only 1 &2
22) Consider the objectives of NATIONAL FOREST POLICY 1988
1) Conserving the natural heritage of the country by preserving the remaining natural
forests with the vast variety of flora and fauna
2) Checking soil erosion and denudation
3) Checking the extension of sand-dunes
4) Increasing the productivity of forests to meet essential national needs.
Which of the above objectives are part of NATIONAL FOREST POLICY 1988
a) Only 1 b) only 3
c) all the above d) only 1 &2
answers
1. c 2. c 3. c 4. c 5. c
6. a 7. a 8. a 9. a 10. a
11. c 12. c 13. d 14. d 15. b
16. a 17. c 18. c 19. a 20. b
Jagannadh Manne
senior lecturer for Science and Technology and Anthropology optional (UPSC)
8885399893
