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UPPSC 2024 — Science & Technology Questions with Answers

All 23 Science & Technology previous-year questions from UPPSC 2024, each with the correct answer and a full explanation. Practise them as a free, timed mock test with instant scoring.

1. Q1.Computer Science

   ____________ allows several people to use software at the same time to create documents, keep track of projects.

   • a)(a) Groupware
   • b)(b) Network
   • c)(c) Software
   • d)(d) E-mail
2. Q2.Computer

   Which one of the following groups have only input devices?

   • a)Mouse, Keyboard, Printer
   • b)Mouse, Keyboard, Projector
   • c)Mouse, Keyboard, Monitor
   • d)Mouse, Keyboard, Scanner
3. Q3.Computer

   The content of computer memory which is non-volatile, even when the power goes off is:

   • a)REM
   • b)RAM
   • c)ROM
   • d)None of the above
4. Q4.Science

   Which of the following is a correct relationship between Fahrenheit (°F) and Celsius (°C) degrees?

   • a)°C = °F + 32
   • b)°C = °F − 273.15
   • c)°F = °C + 32
   • d)°F = °C − 273.15
5. Q5.Biology

   Which of the following statements is not true? (a) Chromosomes are composed of DNA and Protein. (b) Nucleus of a cell does not play a role in cellular reproduction. (c) Chromosomes contain information for inheritance. (d) Functional segment of DNA is called genes.

   • a)Chromosomes are composed of DNA and Protein.
   • b)Nucleus of a cell does not play a role in cellular reproduction.
   • c)Chromosomes contain information for inheritance.
   • d)Functional segment of DNA is called genes.
6. Q6.Environment/Chemistry

   Given below are two statements, one is labelled as Assertion (A) and the other as Reason (R). Assertion (A): CO₂, SO₂, and NO₂ gases get dissolved in rain water and produce acid rain. Reason (R): Atmospheric air is polluted due to high concentration of gases like carbon dioxide, sulphur dioxide and oxides of nitrogen. Select the correct answer from the codes given below:

   • a)Both (A) and (R) are true and (R) is the correct explanation of (A).
   • b)(A) is false, but (R) is true.
   • c)Both (A) and (R) are true, but (R) is not the correct explanation of (A).
   • d)(A) is true, but (R) is false.
7. Q7.Current Affairs/Science & Technology

   With reference to “FWD 200B”, which of the following statements is/are correct? 1. This is India's first indigenous bomber "UAV" aircraft. 2. Its payload capacity is 100 kgs. Select the correct answer from the codes given below:

   • a)Only 2
   • b)Neither 1 nor 2
   • c)Only 1
   • d)Both 1 and 2
8. Q8.Biology

   Which of the following is the correct order of plant species from higher to lower order?

   • a)Class – Phylum – Order – Plant Kingdom
   • b)Order – Class – Phylum – Plant Kingdom
   • c)Class – Plant Kingdom – Phylum – Order
   • d)Plant Kingdom – Phylum – Class – Order
9. Q9.Science

   Match List-I with List-II and choose the correct answer using the codes given below the lists: List-I (Vitamin) A. Vitamin A B. Vitamin B C. Vitamin C D. Vitamin D List-II (Disease) 1. Beriberi 2. Blindness 3. Rickets 4. Scurvy

   • a)(a) 4 3 2 1
   • b)(b) 2 1 4 3
   • c)(c) 1 2 3 4
   • d)(d) 1 3 2 4
10. Q10.Science & Technology / Current Affairs

    What is R21/Matrix-MTM?

    • a)Vaccine against Malaria developed by Serum Institute of India
    • b)Vaccine against Malaria developed by Bharat Biotech International
    • c)Vaccine against AIDS developed by Serum Institute of India
    • d)Vaccine against AIDS developed by Bharat Biotech International
11. Q11.Science & Technology

    With reference to RudraM-II Missile, which of the following statements is/are correct? 1. It is an air-to-air missile. 2. It was tested in Rajasthan in May 2024. Select the correct answer using the codes given below:

    • a)(a) Only 2
    • b)(b) Neither 1 nor 2
    • c)(c) Only 1
    • d)(d) Both 1 and 2
12. Q12.Biology/Environment

    Plants and animals that live on land are called:

    • a)(a) Abiotic
    • b)(b) Aquatic habitats
    • c)(c) Terrestrial habitats
    • d)(d) Biotic
13. Q13.Biology

    The joint where the neck joins the head is:

    • a)(a) Pivotal joint
    • b)(b) Saddle joint
    • c)(c) Hinge joint
    • d)(d) Ball and socket joint
14. Q14.Biology

    The disease-causing microorganism among these is:

    • a)(a) Archaea
    • b)(b) Pathogens
    • c)(c) Bacteria
    • d)(d) Protozoa
15. Q15.Chemistry

    Milk is an example of:

    • a)(a) Foam
    • b)(b) Sol
    • c)(c) Aerosol
    • d)(d) Emulsion
16. Q16.Chemistry

    The formula of baking soda is :

    • a)(a) KHCO₃
    • b)(b) Na₂CO₃
    • c)(c) K₂CO₃
    • d)(d) NaHCO₃
17. Q17.General Science/Medicine

    CPR stands for:

    • a)(a) Cardio Programme Rescue
    • b)(b) Cardiac Pulsatile Revision
    • c)(c) Cardiopulmonary Resuscitation
    • d)(d) Cardiopulmonary Revision
18. Q18.Biology

    The only vein that carries oxygenated blood is:

    • a)Pulmonary vein
    • b)Cystic vein
    • c)Cardiac vein
    • d)Hepatic Portal vein
19. Q19.Biology

    Diabetes is the most common disorder associated with:

    • a)Kidney
    • b)Gall bladder
    • c)Liver
    • d)Pancreas
20. Q20.Physics

    A bus covers the first half of a certain distance with speed v1 and the second half with a speed v2. The average speed during the whole journey is :

    • a)v1v2 / (v1 + v2)
    • b)2v1v2 / (v1 + v2)
    • c)(v1 + v2) / 2
    • d)√v1v2
21. Q21.Science & Technology

    With reference to "PraVaHa" software developed by ISRO, which of the following statements is/are correct? 1. It is a path-breaking feat by Vikram Sarabhai Space Centre. 2. Initial aerodynamic design of space vehicles requires evaluation of large number of configurations. Select the correct answer from the codes given below:

    • a)(a) Only 2
    • b)(b) Neither 1 nor 2
    • c)(c) Only 1
    • d)(d) Both 1 and 2
22. Q22.Current Affairs / Science & Technology

    With reference to the International Conference on Nuclear Security (ICONS-2024), which of the following statements is/are correct? 1. This conference was held on 25th May, 2024. 2. India has recently reconstituted an inter-ministerial Counter Nuclear Smuggling Team (CNST) to strengthen the nuclear security. Select the correct answer from the codes given below:

    • a)(a) Only 2
    • b)(b) Neither 1 nor 2
    • c)(c) Only 1
    • d)(d) Both 1 and 2
23. Q23.Science & Technology

    With reference to “Lunar Polar Exploration Mission” (LUPEX), which of the following statements is/are correct? 1. This is an India - Japan partnership for their joint moon mission which shall be launched in the future. 2. JAXA is responsible for developing the lander for the mission, while ISRO is handling the rover and launch vehicle. Select the correct answer from the codes given below:

    • a)(a) Only 2
    • b)(b) Neither 1 nor 2
    • c)(c) Only 1
    • d)(d) Both 1 and 2