Science, Technology, and General Knowledge Test
1. Match the following branches of biotechnology and their applications:
Branch of biotechnology Application
A. Blue biotechnology 1. Industrial processes
B. Red biotechnology 2. Agricultural processes and products
C. White biotechnology 3. Medical applications
D. Green biotechnology 4. Marine and aquatic applications
2. Consider the following statements with reference to the Tyndall Effect:
1. The path of the rays is visible when a beam of light is passed through a true solution.
2. The path of the rays is not visible when a beam of light is passed through a colloidal solution.
Choose the correct option:
3. Which of the following has the highest reactivity?
4. Consider the following statements with reference to gravitational acceleration:
1. As an object in free state from above comes closer to the surface of the earth, its velocity decreases.
2. Gravitational acceleration does not depend on the form, size, mass etc. of the object.
Choose the correct option:
5. Which of the following is the correct order of the human respiratory tract?
6. Consider the following statements with reference to Pituitary Gland:
1. This gland is the smallest gland in the human body.
2. It is located in a cavity called sella turcica of the kidney.
3. The pituitary gland controls the secretion, growth, health and sexual development of other glands.
Choose the correct option:
7. Consider the following statements with reference to promoting science and technology in Rajasthan:
1. The State Level Patent Information Centre has been started by the Department of Science and Technology in Udaipur and Kota.
2. Mini IT galleries have been set up in Jaipur and Jodhpur Science Centres to promote information technology.
3. Nuclear Power Gallery will be set up in the Science Park at Pokhran (Jaisalmer) in Rajasthan.
Choose the correct statement:
8. Soap and Detergent (Consider the following statements with reference to detergents:
1. Soaps are sodium and potassium salts of fatty acids.
2. Soaps contain –SO3Na group.
3. Detergents are sodium or potassium salts of sulphonic acids.
4. Detergents contain –COONa group.
Choose the correct option:
9. Which is the correct order of increasing frequency in the following waves?
10. Which of the following processes is related to chemical change only-
1. Conversion of milk into curd
2. Burning of incense stick
3. Melting of candle
4. Rusting of iron
Choose the correct option:
11. Consider the following statements with reference to superconductors:
1. Superconductivity is a state in which the internal resistance of a substance becomes infinite.
2. Superconductivity is achieved at extremely high temperature and that temperature is called the critical temperature of superconductivity.
Choose the correct statement:
12. Statement (a): Woollen clothes keep a person warm in winter.
Reason (R): Woollen fibres are made of a special type of protein, which is a poor conductor of heat.
Choose the correct answer using the code-
13. Examine the following statements with reference to solid CO2 and choose the correct answer -
1. Solid CO2 is stored at low pressure.
2. When the atmospheric pressure is one atmosphere, solid CO2 turns directly into gas instead of turning into liquid.
Choose the correct statement.
14. Consider the following statements -
1. Oxytocin hormone produces milk in a woman during pregnancy.
2. Lack of iodine in the body leads to excess of thyroxine hormone.
3. Lack of growth hormone in childhood leads to dwarfism but this dwarfism does not mean low intelligence.
Choose the correct statement -
15. Consider the following statements with reference to biodiversity:
1. Out of the 36 biodiversity hotspots in the world, 4 are located in India.
2. These include the Eastern Himalayas, Indo-Burma region, Western Ghats and Sundaland.
3. The CoP-15 global biodiversity framework emphasizes the conservation and management of 15% of terrestrial, inland water and coastalmarine areas by the year 2030.
Choose the correct option:
16. Consider the following statements with reference to Indian Senna:
1. The botanical name of Senna is Cassia angustifolia.
2. The dry climate of Jodhpur, Barmer, Jaisalmer, Bikaner and Nagaur districts of Rajasthan is most suitable for senna.
3. Senna mainly acts as a laxative and nitrites are found in its leaves and pods.
Choose the correct option:
17. Statement (a): A tennis ball reaches a greater height when it is bounced on a hill than on a plain.
Reason (R): The value of acceleration due to gravity decreases with height.
18. Match:
Source of protein Name of protein
A. Rice 1. Gluten
B. Wheat 2. Oryzenin
C. Hair/Nails 3. Albumin
D. Blood 4. Keratin
19. Which of the following substances are sublimated?
1. Dry ice
2. Iodine
3. Camphor
4. Naphthalene
Choose the correct option:
20. Consider the following statements with reference to ‘lymphocytes’:
1. It is a part of specific immunity which kills the factors of infection by producing specific antibodies against an infection.
2. It is the most active bacteria-eating cell of our body.
Choose the incorrect statement:
21. The importance of ecosystem lies in:
22. Consider the following statements with reference to proteins:
1. Proteins are simple organic molecules containing carbon, hydrogen, oxygen and nitrogen.
2. The building blocks of proteins are amino acids.
3. Protein molecules break down into simple amino acids upon complete breakdown.
Choose the correct statement:
23. Consider the following statements with reference to the components of ecosystems:
1. Its abiotic components include inorganic substances such as CO₂, H₂O, N₂, Ca and organic substances such as proteins, carbohydrates, fats, etc.
2. Heat, light and soil are the biotic components.
Choose the correct option:
24. Match the following:
Type/Disease Characteristic
A. Basophil 1. Smallest size WBC
B. Neutrophil 2. Phagocytosis of bacteria
C. Leukemia 3. Secretion of anticoagulant fluid like heparin
D. Lymphocytes 4. Excessive increase in the number of WBC (Blood cancer)
Choose the correct code-
25. What is the reason for the separation of butter from curd by churning it?
26. Match the following:
Vitamin Disease caused by deficiency
A. Vitamin D 1. Scurvy
B. Vitamin C 2. Anaemia
C. Vitamin B12 3. Rickets and Osteomalacia
D. Vitamin K 4. Bleeding disorder
Choose the correct code-
27. Consider the following statements:
1. Creation of energy in mitochondria from the micronutrients of food is called assimilation.
2. Where the small intestine and the large intestine meet, it is called the caecum.
Choose the correct option:
28. Which of the following is not a correct statement about sodium-
29. Which of the following options is related to “Sycamore”?
30. With reference to types of malware, consider the following statements:
1. Phishing is a type of malware that tries to extract victim's data by sending it to a computer.
2. Trojan is a malicious program designed to appear as a legitimate program.
3. In ransomware, cyber criminals impersonate legitimate organizations.
Choose the incorrect statement:
31. Match the following crops and their varieties with reference to Rajasthan:
Crop Variety
A. Wheat 1. RSG 973
B. Barley 2. Raj 171
C. Gram 3. Rajkiran
D. Millet 4. Raj 1482
32. With reference to e-SIM technology, consider the following statements:
1. It is reprogrammable which allows users to change network operators without changing the SIM card.
2. It allows devices to connect to multiple networks simultaneously, enhancing global connectivity.
Choose the correct statement:
33. With reference to White-Fi communication technology, which one of the following statements is correct?
34. Match the following acids and their uses in daily life:
Acid Uses
A. Tartaric Acid 1. In various chemicals, fertilizer manufacturing, paints
B. Acetic Acid 2. In soft drinks and soda water
C. Carbonic Acid 3. In pickles, tomato sauce etc.
D. Sulphuric Acid 4. In baking powder
Choose the correct code-
35. Consider the following statements with reference to Rajasthan in 'India State of Forest Report 2023':
1. Forest cover in Rajasthan is 16,548.21 sq. km. area.
2. Forest cover in Rajasthan is 6.43 percent of the total geographical area of the state.
3. Northern dry mixed deciduous forests are found in the maximum area of Rajasthan.
Choose the correct option:
36. Consider the following statements-
1. Electric bulb contains argon gas which is an inert gas.
2. Heat is transmitted through convection method inside the electric bulb.
3. Electric bulb is an electrical device based on Joule's thermal law.
Choose the correct statement:
37. Match the following:-
A. Washing soda 1. Sodium hydroxide
B. Caustic soda 2. Copper sulphate
C. Blue vitriol 3. Sodium thiosulphate
D. Hypo solution 4. Sodium carbonate
Choose the correct code-
38. Arrange the development of the following in nanotechnology in chronological order:
1. Nano robots, 3D networking
2. Nano particles, nano composites, nano coatings, Nano polymers
3. Atomic designs, molecular devices
4. Nano sensors, nano medicines, drugs, 3D transistors
Choose the correct statement:
39. Consider the following statements with reference to LCA Tejas:
1. It is manufactured by Hindustan Aeronautics Limited (HAL) Developed by HAL (Hindustan Aeronautics Limited)
2. It is designed to replace the MiG-21.
3. Tejas is the world's lightest single engine and double seater fighter jet.
Choose the correct statement:
40. Consider the following statements with reference to ISRO's first analog space mission:
1. This mission has been launched in Shimla, Himachal Pradesh.
2. This mission is India's first human space adaptation test.
3. Its objective is to test the compatibility and performance of astronauts for missions to the Moon and Mars.
Choose the correct statement:
41. Arrange the following in chronological order-
1. Aditya - L1 Mission
2. Launch of Chandrayaan - 3
3. Successful test of SSLV.
4. Chandrayaan - II launch
Code:-
42. What is the name of the indigenous machine pistol recently inducted by the Indian Army?
43. Consider the following statements with reference to Chandrayaan 3 lander:
1. The lander made a controlled landing on the south pole of the moon.
2. Its lander consisted of 3 payloads RAMBHALP, ILUMIT, and ILSA (Instrument for Lunar Seismic Activity).
3. Its rover had 2 payloads APXS and LIBS.
Choose the correct statement:
44. Which of the following statements is not correct with reference to ballistic missile?
45. Consider the following statements with reference to ‘GAURAV’, which was in news recently-
1. It is a 3,000 kg class long range glide bomb launched from the air.
2. It has been indigenously designed and developed by ‘Vustul Space Agency’ of Hyderabad.
Choose the correct option-
46. India's first private satellite constellation "Firefly" has been launched by which spacetechnology company?
47. Consider the following statements with reference to nano litterbombs:
1. Natural decomposition of nano litterbombs is not possible.
2. It helps in reducing environmental pollution.
Choose the correct statement:
48. Match the following missiles on the basis of their type:
A. Rajendra Radar based 1. LAHAT
B. Laser based 2. Nag
C. Heat/Infrared based 3. Prithvi, Agni
D. Satellite/GPS based 4. Akash
Choose the correct code-
49. Consider the following statements with reference to Mission Divyastra:
1. It is Agni 5 missile based on MIRV technology.
2. MIRV stands for Multiple Impulsive Targetable Re-entry Vehicle.
3. It is capable of destroying multiple targets simultaneously.
Choose the correct statement:
50. Consider the following statements with reference to Kalvari class:
1. Kalvari class submarines have been developed under Project 17A.
2. These submarines are based on the Russian Scorpene submarine.
3. This class consists of a total of 6 submarines.
Choose the correct statement:
51. ‘Project Zoravar’, which was in the news recently, is related to?
52. Consider the following statements with reference to Reusable Launch Vehicle (RLV):
1. RLV is a launch vehicle that re-enters the earth’s atmosphere after launching the payload (satellite, spacecraft) into space.
2. RLV-TD (Technology Demonstrator) was successfully tested by ISRO in 2016.
3. Only liquid fuel engines are used in RLV.
Choose the correct statement:
53. Consider the following statements with reference to Pralay missile:
1. Pralay is a surface-to-air, short-range ballistic missile.
2. Pralay missile is India's first fully-fledged ballistic missile.
Choose the correct statement:
54. Consider the following statements with reference to GSAT-20:
1. It is also known as GSAT-N2.
2. It was launched on 18 November 2024 from Cape Canaveral, Florida by SpaceX's Falcon-9 rocket.
3. It will replace NAVIC in India and will prove helpful for mapping.
Choose the correct option:
55. Consider the following statements with reference to Unicorn Mast:
1. The Unified Complex Radio Antenna is a mast with integrated communication systems, which will improve the characteristics of naval platforms.
2. Recently India and the United States signed an implementation memorandum for codevelopment in this context.
Select the correct option:
56. Consider the following statements with reference to the INSAT-3DS satellite:
1.INSAT-3DS satellite was launched on 17 February 2024 by GSLV Mk-II (F04) rocket.
2. Its main objective is to provide accurate weather information and disaster forecast for India.
3. Its major payloads include Data Relay Transponder (DRT) and Satellite Aided Search and Rescue (SAS&R).
Choose the correct statement:
57. Consider the following statements with reference to Rudram:
1. Rudram is India's first indigenous antiradiation missile, which can detect enemy radiation emitting sources.
2. Rudram has a range of 500 km and a speed of 5 Mach.
Choose the correct statement:
58. Consider the following statements with reference to India's first reusable hybrid rocket-
1. Its name is RHUMI 1.
2. This rocket has been jointly developed by Agnikul Cosmos and Recis Group.
3. With its help the components of the rocket can land safely back on the sea.
Choose the correct option-
59. Consider the following statements with reference to India’s first hypersonic missile:
1. India’s Defense Research and Development Organization (DRDO) successfully flight-tested the first hypersonic missile on 17 November 2024.
2. It is the first long-range hypersonic missile with a range of over 3,000 km.
3. The speed of a hypersonic missile is more than ‘Mach 8’.
Select the correct option:
60. Arrange the following in chronological order:
1. Formation of Indian National Committee for Space Research (INCOSPAR).
2. Establishment of Indian Space Research Organisation (ISRO).
3. Establishment of Space Commission and Department of Space.
Choose the correct option-
61. Consider the following statements with reference to 'SEBEX 2'-
1. It is the world's most powerful non-nuclear explosive.
2. It has been developed by Defense Research and Development Organization (DRDO).
3. This explosive is more than twice (2.01) lethal than trinitrotoluene (TNT).
Choose the correct option-
62. Consider the following statements with reference to Aditya L-1 mission:
1. It was launched on 15 August 2023.
2. It was launched at Lagrangian point 1 in halo orbit with the help of PSLV-XL C-S7.
3. Aditya L-1 Mission is a mission by ISRO and NASA to study the Sun.
Choose the correct statement:
63. Recently, the Indian Air Force successfully tested the landing of 'indigenous portable hospital'. What is its name?
64. Match:
A. Vikram Sarabhai Space Centre 1. Shri Harikota
B. U. R Rao Satellite Centre 2. Bhopal
C. Satish Dhawan Space Centre 3.Thiruvananthapuram
D. Master Control Facility 4. Bangalore
Choose the correct code-
65. Consider the following statements:
1. ISRO launched a test called CROPS to study the growth of plants in space.
2. CROPS (Compact Research Module for Orbital Plant Studies) was launched through PSLV-C59 POEM-4 mission.
Choose the correct statement:
66. India has recently successfully tested its first indigenous counter-drone micro-missile system under which name?
67. Consider the following statements with reference to Nano Mission of India:
1. Nano Science and Technology Mission (NSTM) in India was launched by ISRO.
2. Its nodal agency was the Department of Science and Technology.
Choose the correct statement:
68. Consider the following statements with reference to cryogenic engines:
1. India became the fourth country in the world to successfully test indigenously built cryogenic engine in 2014.
2. CE-20 developed by ISRO is one of the most powerful cryogenic engines in the world till date.
Choose the correct statement:
69. Consider the following statements with reference to Mission Shakti:
1. Mission Shakti is a joint programme of DRDO and ISRO, focused on the development of Anti Satellite System (ASAT).
2. India's ASAT missile successfully destroyed a satellite in high earth orbit (500 km).
Choose the correct statement:
70. Consider the following statements with reference to the Earth Observation Satellite ‘EOS-08’-
1. It was launched on 16 August 2024 by PSLV C63 from Satish Dhawan Space Centre, Sriharikota.
2. It consists of 3 payloads Electro Optical Infrared Payload (EOIR), Global Navigation Satellite System-Reflectometry Payload (GNSSR), and SiC UV Dosimeter.
3. Its objective is to design and develop microsatellites, build payload instruments compatible with the microsatellite bus, and incorporate new technologies required for future operational satellites.
Select the correct option-
71. Consider the following statements with reference to the I-Start programme:
1. This programme has been launched to promote entrepreneurship in Rajasthan.
2. It provides a single-window platform to startups, investors, incubators, accelerators and mentors.
3. It provides loans up to Rs 5 crore to the selected startups for investment in the relevant sector.
4. It includes initiatives like Innovation Challenge and Award, Q-Rate Ranking System and I-Start Nest.
Choose the correct option:
72. “Raj e-Vault”, which was in the news recently in Rajasthan, is related to what?
73. Consider the following statements with reference to IFMS in Rajasthan:
1. Its full form is Innovative Financial Management System.
2. It enhances transparency and accountability in public finance management.
3. It is also integrated with Artificial Intelligence (AI).
Choose the correct option:
74. Which of the following options is not correct with reference to FLOPS?
75. Consider the following statements with reference to LTE (Long Term Evolution) and VoLTE (Voice over LTE):
1. LTE requires external software like Skype or Facebook Messenger to make video calls.
2. In VoLTE users do not need any external software to make video calls.
3. LTE supports voice calls and data services simultaneously.
4. VoLTE does not support voice calls and data services simultaneously.
Choose the correct option:
76. Consider the following statements:
1. Recently Gyanesh Kumar was appointed as the Chief Election Commissioner of India.
2. He has become the 25th Chief Election Commissioner of India.
Choose the correct statement:
77. Major Dhyanchand Khel Ratna Award was given to which of the following sportspersons in the year 2024?
78. Consider the following statements:
1. Budget 2025 proposes to set up a Maritime Development Fund with an allocation of ₹ 10,000 crore.
2. The government will contribute 74% to this fund, the rest will be contributed by the private sector.
Choose the correct statement:
79. The indigenous semiconductor chip called ‘IRIS’, recently developed in collaboration with ISRO for space applications, was developed by which institute?
80. Consider the following statements related to SpaDeX mission:
1. SpaDeX mission was launched on 30 December 2024 through PSLV-C60 from Satish Dhawan Space Center, Sriharikota.
2. On 16 January 2025, the mission achieved a historic docking success, in which two satellites were controlled as a single spacecraft.
3. Under this mission, two small satellites ‘Chaser’ (SDX01) and ‘Target’ (SDX02) were launched from GSLV-MkIII.
Choose the correct statement:
81. Which former Chief Justice was awarded the "Padma Vibhushan" award in the year 2025?
82. Match the following leaders with their respective countries:
List–I (Leader) List–II (Country)
A. John Mahama 1. Belarus
B. Zoran Milanovic 2. Ireland
C. Michael Martin 3. Croatia
D. Alexander Lukashenko 4. Ghana
Select the correct code-
83. Which two Indian cities have recently been recognised as "Wetland Cities" under the Ramsar Convention?
84. Which of the following options is not correct regarding the Chief Minister Ayushman Arogya (MAA) Scheme?
85. Consider the following statements regarding the three personalities from Rajasthan awarded with Padma Shri 2025:
1. Shri Sheen Kaf Nizam was awarded Padma Shri in the field of literature and education.
2. Smt. Begum Batool was awarded Padma Shri for her remarkable contribution in the development of Urdu literature.
3. Shri Baijnath Maharaj received Padma Shri award in the field of spirituality.
Choose the correct statement:
86. Where in Rajasthan has the country's first international driving test center been established?
87. Consider the following statements:
1. Recently, Rajasthan mountaineer Neeraj Chaudhary was declared the 'State Icon' of the Rajasthan Election Department.
2. Presently, the Chief Electoral Officer of Rajasthan is Mr. Madhukar Gupta.
Select the correct option:
88. Consider the following statements with reference to the Mukhyamantri Sportsperson Bima Yojana 2024:
1. The scheme will be implemented by the State Election Commissioner (SEC) of Rajasthan. It is being done by Rajasthan State Sports Council.
2. Under this, those players will be benefited who are natives of Rajasthan below the age of 35 years and who have won gold medals in Olympics, Paralympics, World Cup, Commonwealth, Asian or South Asian Games.
3. Under this scheme, there is a provision of free accident and life insurance of Rs 15 lakh for 1 year to the eligible players.
Select the correct statement:
89. Consider the following statements with reference to the first Zero Liquid Discharge (ZLD) Plant established in Rajasthan:
1. Zero Liquid Discharge (ZLD) Plant has been established in Udaipur for environment and water conservation.
2. This plant has been established for the first time in Rajasthan through Rajasthan Cooperative Dairy Federation (RCDF).
Choose the correct statement:
90. Consider the following statements with reference to Rajasthan's performance in the 38th National Games-2025:
1. Rajasthan won a total of 43 medals including 9 gold, 11 silver and 23 bronze medals.
2. Rajasthan ranked 12th in this competition.
3. Rajasthan won the maximum number of medals in the shooting event.
Choose the incorrect statement:
91. A bag contains 15 red balls and 20 black balls. Each ball has a number written on it, 1 or 2 or 3. 20% of the red balls have the number 1 and 40% of them have the number 3. Similarly, 45% of the black balls have the number 2 and 30% have the number 3. A child randomly draws a ball. If the ball is red and has the number 3 on it or if the ball is black and has the number 1 or 2 on it, then the child wins. What is the probability of his winning?
92. A box contains 6 red, 5 black and 4 green balls. If 4 of these balls are picked randomly, what is the probability that all the four balls picked are red or two balls are black?
93. 1 number is chosen from the first 100 natural numbers, what is the probability that the chosen number is exactly divisible by 5 or 15-
94. A man and his wife give interview for two vacancies of the same post. The probability of selection of a man and his wife is 1/7 and 1/5 respectively. What is the probability of 1 of the two getting selected?
95. The probability of a student getting success in Statistics is .60 and the probability of him getting success in Mathematics is .50. What will be the probability of the student succeeding in only one of the two subjects?
96. Six children named A, B, C, D, E and F are playing football. A and E are brothers. F is the sister of E. C is the only son of A’s uncle. B and D are daughters of C’s father’s brother. How is C related to F?
97. In a family, there are six members A, B, C, D, E and F. A and B are a married couple in which A is the male member. D is the only son of C, who is the brother of A. E is the sister of D. B is the daughter-in-law of F, whose husband has died. How is F related to A?
98. 'P=Q' means 'Q is the father of P'; 'P*Q' means 'P is the sister of Q'; 'P×Q' means 'Q is the mother of P'; 'P$Q' means 'P is the brother of Q'; 'P£Q' means 'Q is the son of P'; 'P×Q' means 'P is the daughter of Q'. Which of the following is not correct?
99. If 'South-East' direction is called 'East', 'North-West' direction is called 'West', 'South-West' direction is called 'South' then in the same way what will be called 'North' direction?
100. D is 20 m south of A. C is 5 m east of D. E is 10 m north of C. F is 10 m east of E. G is 15 m south of F. X is 15 m west of G. B is 10 m east of A. Z is 10 m south of B. L is 10 m east of C. Point A is in which direction with respect to point G?