Important Science and Technology current affairs GK online MCQ practice set

Q41. What is MALTITOL?

A. It is a sugar alcohol.
B. It is a material which can be used as a substitute of plastic.
C. It is a technology for the treatment of cancer.
D. It is a project of Indian Institute of Science for research in Biotechnology.

Answer

A. It is a sugar alcohol.

Q42. What is Industrial Internet?

A. Application of Cloud computing in industries.
B. Application of Internet of things in industries.
C. Network of industries related to internet service providers.
D. Developing a network of industries around the world.

Answer

B. Application of Internet of things in industries.

Q43. Consider the following statements regarding LISA Pathfinder: 1. LISA stands for Laser Interferometer Space Application. 2. It is a research spacecraft of NASA to detect gravitational waves. Which of the statements given above is/are correct?

A. 1 only
B. 2 only
C. Both 1 and 2
D. Neither 1 nor 2

Answer

D. Neither 1 nor 2

Q44. Which of the following is/are the application of Nanotechnology? 1. Desalination of water 2. Medicine 3. Waste water treatment 4. Food additives 5. Cosmetics Select the correct answer suing the code given below.

A. 1, 3 and 5 only
B. 1, 2 and 3 only
C. 1, 2, 3, and 5 only
D. 1, 2, 3, 4, and 5

Answer

C. 1, 2, 3, and 5 only

Q45. Consider the following statements regarding Bio-Ink: 1. It can be used for cartilage implants. 2. It allows 3D printing of complex non-living tissues. 3. A component of bio-ink called synthetic polymer causes the bio-ink to change from liquid to solid when the temperature is raised. Which of the statements given above is/are incorrect?

A. 1 only
B. 1 and 3 only
C. 2 only
D. 2 and 3 only

Answer

C. 2 only

Q46. Assertion (A): A Tibetan prefecture Ngari, bordering India and Nepal is considered one of the best sites for astronomical observation on Earth. Reason (R): Ngari has high altitude and large number of cloudless days throughout the year. Select the correct answer using the code given below.

A. Both A and R are true and R is the correct explanation of A.
B. Both A and R are true and R is not the correct explanation of A.
C. A is true and R is false
D. A is false and R is true

Answer

A. Both A and R are true and R is the correct explanation of A.

Q47. Consider the following statements regarding LUCA (Last Universal Common Ancestor): 1. It was a single cell bacterium like organism. 2. It can be said that it was first living organism on Earth. 3. Eukaryotes share common genetic features with LUCA. Which of the following statements is/are true?

A. 1 only
B. 1 and 3 only
C. 1 and 2 only
D. 1, 2 and 3

Answer

A. 1 only

Q48. A solar powered internet drone ‘Aquila’ is a project of?

A. Google
B. Twitter
C. Facebook
D. Collaboration of Facebook and Google

Answer

C. Facebook

Q49. Consider the following statements regarding JUNO: 1. It is a space craft of NASA aimed at understanding origin and evolution of Jupiter. 2. It is named on a Greco-Roman mythology. 3. It is the third spacecraft to orbit Jupiter. Which of the statements given above is/are incorrect?

A. 2 only
B. 1 and 2 only
C. 3 only
D. 1, 2 and 3

Answer

C. 3 only

Q50. Which of the following statements regarding CERES is/are true? 1. It is the only dwarf planet located in the outer circle of the solar system. 2. It is the largest object in the asteroid belt. 3. When Dawn arrived in 2015, Ceres became the first dwarf planet to receive a visit from spacecraft. Select the correct answer using the code given below.

A. 2 only
B. 2 and 3 only
C. 1 and 3 only
D. 1, 2 and 3

Answer

B. 2 and 3 only

Q51. Recently, India became the first country to be officially acknowledged by WHO and UNICEF as being Yawsfree. What is Yaws?

A. It is a kind of flu
B. It is a genetic disease
C. It is a kind of infection
D. It is a virus

Answer

C. It is a kind of infection

Q52. Consider the following statements regarding Solar Power Tree, developed by the CSIR-CMERI: 1. It will harness solar energy for producing electricity with vertical arrangement of solar cells. 2. It reduces the requirement of land and keeps the land character intact. 3. It is not viable for urban areas. Which of the statements given above is/are correct?

A. 1 and 2 only
B. 3 only
C. 1 and 3 only
D. 1, 2 and 3

Answer

A. 1 and 2 only

Q53. Consider the following statements regarding scramjet: 1. It stands for supersonic combustion ramjet. 2. It uses atmospheric oxygen to burn hydrogen fuel. 3. These are efficient only at hypersonic speed. Which of the statements given above is/are incorrect?

A. 1 only
B. 1 and 2 only
C. 3 only
D. 2 and 3 only

Answer

C. 3 only

Q54. ‘Advanced Ultra super critical technology ‘is a research and development project related to?

A. Thermal power plants
B. Nuclear power plants
C. Solar power plants
D. Wind energy development

Answer

A. Thermal power plants

Q55. What is CYBATHLON?

A. It is a type of cyber crime
B. It is a type of Computer Virus
C. It is an international competition
D. It is an android application

Answer

C. It is an international competition

Q56. Consider the following statements regarding NASA’s Cassini-Huygens’s Mission: 1. It reached Saturn and its moon in July, 2008. 2. It has recently discovered steep sided canyons flooded with hydrocarbons on Saturn’s moon Titan. Which of the statements given above is/are incorrect?

A. 1 only
B. 2 only
C. Both 1 and 2
D. Neither 1 nor 2

Answer

A. 1 only

Q57. What is ‘Proxima Centauri’?

A. It is the closest star to our solar system.
B. It is a recently discovered Earth-like planet orbiting the closest star to our solar system.
C. It is a dwarf planet located in asteroid belt.
D. It is a spacecraft of ESA to Jupiter.

Answer

A. It is the closest star to our solar system.

Q58. Consider the following statements about PAVA shells: 1. It is an inorganic compound. 2. It can temporarily paralyse humans. 3. It has been considered as a non-lethal munitions to control crowd by TVSN Prasad Committee. Which of the statements given above is/are correct?

A. 2 only
B. 1 and 3 only
C. 2 and 3 only
D. 1, 2 and 3

Answer

C. 2 and 3 only

Q59. Mycobacterium Indicus Pranii (MIP), developed in India is a vaccine preventing against?

A. Leprosy
B. Tuberculosis
C. Human papilloma Virus
D. Aids

Answer

A. Leprosy

Q60. Consider the following statements regarding Methanol: 1. It can be used a low emission fuel for vehicles. 2. Carbon dioxide can be converted into Methanol. Which of the statements give above is/are true?

A. 1 only
B. 2 only
C. Both 1 and 2
D. Neither 1 nor 2

Answer

C. Both 1 and 2

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