PSI Exam Test 2021 (S&T)

PSI Exam Test 2021 (S&T)

  1. Which of the following planets has the largest number of moons in our solar system ?

    1. Saturn

    2. Uranus

    3. Neptune

    4. Pluto

     2. Which of the following is India’s first satellite?

    1. Bhaskara

    2. Aryabhatta

    3. Rohini

    4. INSAT

     3. Who among the following first sent a unmanned spacecraft to outer space?

  1. Carl Sagan

  2. Edwin Hubble

  3. Yuri Gagarin

  4. James Van Allen

   4. Which of the following orbits help in harnessing much sunlight which is beneficial for imaging?

  1. Geo-stationary Orbit

  2. Stationary Orbit

  3. Geosynchronous Orbit

  4. Polar Synchronous Orbit

5. In which of the following year, Cryogenic engines was introduced to satellite by ISRO?

  1. A) 2012

  2. B) 2021

  3. C) 2013

  4. D) 2014

6. Which of    the    following    satellite    was developed by India and France?

  1. Jugnu

  2. SRMSAT

  3. Megha-Tropiques

  4. Youthsat

7. Which of the following Institutions are engaged in EMISAT MISSION?

  1. ISRO

  2. DRDO

  3. Both A and B

  4. Neither A or B

8. Which satellite is dedicated as India’s first multi wavelength space observatory?

    1. Astrosat

    2. SRMSAT

    3. SARAL

    4. Jugnu

9. Which of the following planet have two natural satellite Phobos and Deimos?

    1. Neptune

    2. Uranus

    3. Pluto

    4. Mars

10. Which of the following is the highest point on the Earth’s Moon?

  1. Mt Leibnitz

  2. Mt Evalo

  3. Mt Phobes

  4. None of the above

11. What is ABELL 370?

  1. Satellite by ESA

  2. Galaxy Cluster

  3. Star

  4. Telescope of NASA

12. In which of the following places is Vikram Sarabhai space center located?

  1. Chennai

  2. Bengaluru

  3. Thiruvanantapuram

  4. Bombay

13. The Ultra Violet Imaging Telescope was developed by which of the following space agency?

  1. NASA

  2. ESA

  3. JAXA

  4. ISRO

14. In which year is the SHUKRAYAAN mission of ISRO proposed?

  1. A) 2025

  2. B) 2024

  3. C) 2023

  4. D) 2022

15. Which of the following country is the first in ARAB WORLD to launch a space mission to Mars?

  1. Saudi Arabia

  2. United Arab Emirates

  3. Morocco

  4. Oman

16. Which of the following space agency had developed SPITZER SPACE TELESCOPE?

  1. NASA

  2. ESA

  3. JAXA

  4. ISRO

17. GREEN PROPULSION TECHNOLOGY was developed by which of the following organization?

  1. HAL

  2. ISRO

  3. BEML

  4. DRDO

18. Who among the following is called as FATHER OF BIOTECHNOLOGY?

  1. Jean Purdy

  2. Wilhelm Roux

  3. Karoly Ereky

  4. Ludwig Haberlandt

19. Applications of biotechnology used to create disease resistant cows fall under which of the following category?

  1. Blue Biotechnology

  2. White Biotechnology

  3. Red Biotechnology

  4. Green Biotechnology

20. What is the procedure of production of cells or organisms under laboratory condition called as?

  1. Budding

  2. Production

  3. Doping

  4. Cloning

21. What is Southern blotting?

  1. Attachment of probes to DNA fragments

  2. Transfer of      DNA      fragments      from electrophoretic gel to a nitrocellulose sheet

  3. Comparison of DNA fragments to two sources

  4. Transfer of DNA fragments to electrophoretic gel from cellulose membrane

22. BT in popular crop BT cotton stands for

    1. Biotechnology

    2. Bacillus tomentosa

    3. Bacillus thuringiensis

    4. Best type

23. First biochemical to be produced commercially by microbial cloning and genetic engineering is  

  1. Human insulin

  2. Penicillin

  3. Interferon

  4. Fertility factor

24. Trichoderma harzianum has proved useful microorganism for

    1. Biological control    of    soil    borne    plant pathogens

    2. Bioremediation of contaminated soils

    3. Reclamation of wastelands

    4. Gene transfer in higher plants

25. Herbicide resistant GM crops are produced with the main objective to

    1. Reduce herbicide accumulation in food articles for health

    2. Eliminate weeds from the field without the use of the manual labour

    3. Eliminate weeds from the field without the use of herbicides

    4. Encourage eco- friendly herbicides

26. Which of the following diseases is associated with Vitamin C deficiency?

    1. Psoriasis

    2. Scurvy

    3. Pellagra

    4. Vitiligo

27. What is the condition in which the body does not get its fair share of nutrients, either from starvation, or as a result of poor absorption called as?

  1. Marasmus

  2. Malnutrition

  3. Kwashiorkor

  4. Malnutrition

28. Which of the following protein causes the dilation of blood vessels?

    1. Histamine

    2. Pyrogens

    3. Interferon

    4. None of these

29. Which of the following is a viral disease?

  1. Diphtheria

  2. Filariasis

  3. Leprosy

  4. Influenza

30. Which of the following is drug used to treat KALA AZAR disease?

    1. Aspirin

    2. Miltefosine

    3. thorazine

    4. Morphine

31. On which day is World Day for Safety and Health observed every year?

  1. January 28

  2. March 28

  3. April 28

  4. February 28

32. What is ARKA SHUBA?

  1. New Cloned Buffalo

  2. Bt Rice

  3. Drug

  4. Transgenic Marigold

33. What is CRISPR?

  1. Gene editing tool

  2. Bt Gene synthesis tool

  3. Transgenic tool

  4. None of the above

34. What are isotopes?

    1. Elements having equal number of protons but different

    2. Elements having equal number of neutrons but different

    3. Elements having equal number of protons and

    4. Elements having equal number of protons, neutrons and electrons

35. Who demonstrated that mass of an atom is located in the nucleus?

  1. Bohr

  2. Thomson

  3. Rutherford

  4. Geiger-Marsden

36. What is the procedure of splitting of nucleus called as?

  1. Fission

  2. Fusion

  3. Half life

  4. None of the above

37. Which of the following is a application of Nuclear technology?

  1. Production of Electricity

  2. Sterilization of disposable products

  3. Radiotherapy

  4. All of the above

38. Which of the following country is the largest producer of nuclear energy?

  1. USA

  2. UK

  3. France

  4. England

39. At which of the following places is the KARKAPUR nuclear power plant situated?

  1. Rajasthan

  2. Gujrath

  3. Madhya Pradesh

  4. Uttar Pradesh

40. Who amng the following is credited with inventing nuclear chain reaction?

    1. Otto Hann

    2. Rutherford

    3. Enrico Fermi

    4. Hans Bethe

41. Which of the following is used as moderator in the nuclear reactor?

    1. Plutonium

    2. Thorium

    3. Graphite

    4. Berilium

42. “Hydrogen bomb” is created based on which of the following principle?

  1. Laser

  2. Thermonuclear process

  3. Nuclear Fission

  4. Nuclear Fusion

43. Who among the following is credited with demonstrating nuclear fission ?

    1. Hatin

    2. Fritz

    3. Both A and B

    4. Hans Bethe

44. TOKMAK Reactor is located in which of the following country?

  1. France

  2. Russia

  3. Japan

  4. China

45. Which of the countries are engaged in 123 agreement?

  1. India

  2. USA

  3. Both A & B

  4. Neither A or B

46. On which day is international day of total elimination of nuclear weapons celebrated?

  1. September 21

  2. September 23

  3. September 25

  4. September 26

47. In which    year     was    Nuclear     Power Corporation Of India established?

  1. A) 1955

  2. B) 1987

  3. C) 1992

  4. D) 2001

48. Which is the oldest nuclear power station in India?

  1. Kaiga

  2. Naorora

  3. Tarapur

  4. karkapur

49. Where is the headquarters of International Atomic Energy Agency located?

  1. Austria

  2. Australia

  3. America

  4. Armenia

50. Which of the following is a essential feature of a nuclear power plant required to produce power?

  1. Half life

  2. Criticality

  3. Moderator efficiency

  4. None of the above

51. Who is known as the -Father of AI”?

     A)Fisher Ada

     B) Alan Turing

     C) John McCarthy

     D) Allen Newell

52. Which of the following is the first calculating device?

    1. Abacus

    2. Calculator

    3. Turing Machine

    4. Pascaline

53. Find out the correct definition of Wide Area Network (WAN)?

    1. It is a programming language with strong abstraction from the details of the

    2. It is a collection of computers interconnected with each other through cables to share their data, information and other common hardware

    3. A computer network that covers a broad area (i.e., any network, whose communications links cross metropolitan, regional or national boundaries).

    4. A computer network covering a small physical area like a home, office or small groups of buildings, such as a school or an

54. Which of the following institutions can use artificial intelligence for their work?

  1. National crime records beaurau

  2. National informatics center

  3. PMO

  4. All of the above

55. Under Which of the following organization does the Centre for Artificial Intelligence and Robotics functions?

  1. NPCIL

  2. DRDO

  3. Niti Aayog

  4. PMO

56. Which of the following is not an example of Operating System?

    1. Windows 98

    2. BSD Unix

    3. Microsoft Office XP

    4. Red Hat Linux

57. What is the full form of URL?

  1. Universal Serial Locator

  2. Uniform Runtime Link

  3. Uniform Resource Locator

  4. Universal Resource Link

58. Which of the following is a example of secondary memory in a computer?

  1. RAM

  2. ROM

  3. CD

  4. PROM

59. REGISTERS are storage location in a In which of the following components do you find them?

  1. CPU

  2. MU

  3. Input Unit

  4. Output Unit

60. Who among the following invented WORLD WIDE WEB?

  1. Tim Berners Lee

  2. Ted Nelson

  3. Feistel Cipher

  4. Edsger W Dijkstra

61. Which of the following is a initiative of Government of India relates to law & order management?

  1. Pepe

  2. Vishwas

  3. Vikas

  4. None of the above

62. Which of the following is known as PRIME BUILDER OF E GOVERNANCE in India?

  1. UIDAI

  2. NIC

  3. CDAC

  4. Niti Aayog

63. Which of the following application was launched to help faster implementation of schemes and projects of central level?

  1. PRAGATI

  2. PRAKRUTI

  3. PARISTITI

  4. None of the above

64. In which of the following country used, artificial intelligence was used for Elephant Survey?

  1. China

  2. Nepal

  3. South Africa

  4. Japan

65. Which of the following country launched the first 6G experimental satellite?

  1. Britain

  2. Russia

  3. Japan

  4. China

66. Recently, government of India organized a artificial intelligence summit. What is it called as?

  1. SPACE

  2. RAISE

  3. TECH

  4. FRIEND

67. In which of the following places is the tri service command of Indian armed forces located?

  1. Mumbai

  2. Kochi

  3. Andaman

  4. Lakshadweep

68. Which of the following is a air to surface anti radiation missile?

  1. Rudram

  2. Astra

  3. Nag

  4. Sagarika

68. In which of the following places is INDIAN NATIONAL DEFENCE UNIVERSITY located?

  1. Pune, Maharashtra

  2. Gurgaon, Haryana

  3. Trivandrum, Kerala

  4. None of the above

69. DRDO’s Naval variant of Light Combat Aircraft made its first successful landing on which aircraft carrier of the Indian Navy?

  1. INS Vikramaditya

  2. INS Vikrant

  3. INS Viraat

  4. INS Vishal

70. Who among the following is highest rank officer in Air Force?

  1. General

  2. Chief Marshal

  3. Marshal

  4. Admiral

71. Which of the following forces of Indian army was set up after the recommendations of Mukerji Committee?

  1. ITBP

  2. NSG

  3. CISF

  4. BSF

72. Who among the following is the present chief executive of department of military affairs?

  1. Ramnath Kovind

  2. Narendra Modi

  3. Rajnath Singh

  4. Bipin Rawat

73. Who among    the    following    developed SINDHU NETRA satellite?

  1. DRDO

  2. ISRO

  3. HAL

  4. IAF

74. The first space-missile technology of India , ROHINI-75 was launched in which year?

  1. A) 1966

  2. B) 1967

  3. C) 1965

  4. D) 1968

75. At which of the following places is Defence Food Research Laboratory located?

  1. Mumbai

  2. Dehradun

  3. Mysuru

  4. Chandigarh

76. Which of the following is a “fire & forget” missile?

  1. Prahar

  2. Astr

  3. Pad

  4. Nag

77. Which of the following is obtained from Russia?

  1. INS Chakra

  2. INS Arihant

  3. INS Kalvari

  4. INS Kanderi

78. Which among the following is a air – to – air missile?

  1. Agni

  2. Astra

  3. Akula

  4. Akash

79. Where was Exerscise Desert Flag 2021 held?

  1. UAE

  2. UK

  3. Saudi Arabia

  4. None of the above

80. To which of the following forces will the ARHMD inducted?

  1. Army

  2. Navy

  3. Airforce

  4. All of the above

81. Which of the following portal allows residents of Cantonment areas to register their complaints with respect to the civic issues?

  1. e-Cantonment

  2. e-Chawwni

  3. e-Defence

  4. e- Complaints

82. Which of the following diseases are caused due to a virus?

  1. Ebola

  2. AIDS

  3. SARS

  4. All the above

83. Based on host range, viruses are classified into:

  1. Bacteriophage

  2. Insect virus

  3. Stem Virus

  4. Both A and B

85. Which of the Immunosuppressant prevent transplanted organs from being rejected in recipient?

A)Thrombin

B)Cyclosporine

C)Aspirin

D)None of the above

86. Which of the following is a Congenital disease?

  1. Harelip

  2. Cleft Palate

  3. Club Foot

  4. All of the above

87. When is WORLD AIDS DAY celebrated?

  1. December 1

  2. January 1

  3. December 30

  4. January 30

88. Which of    the    following     institutions developed PNEUMOSIL?

  1. Serum Institute of India

  2. DRDO

  3. BARC

  4. CSIR

89. Warm donor organ perfusion system technology is related to which organ of the body?

  1. Lungs

  2. Kidneys

  3. Brain

  4. None of the above

90. Where is National institute of communicable diseases situated?

  1. Delhi

  2. Bhubaneswar

  3. Chandigarh

  4. None of the above

91. Which of the following body parts is not affected by smallpox?

    1. Respiratory passage

    2. Skin

    3. Both A and B are affected

    4. None of the above

92. STREPTOMYCIN is used to treat which of the following disease?

  1. TB

  2. Diphtheria

  3. Pertussis

  4. None of the above

93. Antibiotics are ineffective against the viral For each type of the viral infection, human body produces its own antiviral protein that is released from the infected and dying host cells. What is this protein called?

  1. Interferon

  2. Leishmania

  3. Ascaris

  4. Pertussis

94. Cancer is a disease caused due to the uncontrolled growth of tissues in any part of This disease comes under which of the following types?

  1. Congenital disease

  2. Infectious disease

  3. Non-infectious disease

  4. None of these

95. Which of the following immunity is obtained during a lifetime?

  1. Acquired immunity

  2. Active immunity

  3. Passive immunity

  4. None of the Above

96. Which of the following cells is involved in cell-mediated immunity?

  1. Leukemia

  2. T cells

  3. Mast cells

  4. Thrombocytes

97. Which of the following immunoglobulins makes the largest percentage in breast milk?

    1. IgM

    2. IgD

    3. IgG

    4. IgA

98. Oral polio drops contain

  1. harvested antibodies

  2. activated pathogens

  3. attenuated pathogens

  4. gamma globulins

99. Which of the following statement is/are correct about Favipiravir?

  1. Favipiravir is an antiviral COVID-19

  2. Glenmark Pharmaceuticals under the brand name FabiFlu has launched an antiviral drug

  3. It is India’s first COVID-19 drug launched, priced at Rs 103 per tablet.

  4. All the above are correct

100. In a study, which cells are found in COVID- 19 patients ‘bode well’ for long term immunity?

  1. P-cell

  2. D-Cell

  3. T-Cell

  4. Endothelial Cells