Static Quiz 28 January 2025 (Science and Technology)
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Static Quiz 28 January 2025 (Science and Technology) For UPSC Exam
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- Question 1 of 5
1. Question
The term “BHASHINI”, recently in the news, is related to which initiative?
CorrectAnswer: B. National Language Translation Mission
Explanation:
● BHASHINI – BHASHa INterface for India is an AI-based language translation tool for Indian languages.Key Features:
● Language Support: Translation in 22 Indian languages using voice as a medium.
● Digital Inclusion: Bridges the digital divide across education, healthcare, agriculture, and public services.
● AI-Powered: Real-time translation through advanced AI models.
● Open Source: Provides open-source AI models for innovation and widespread use.
IncorrectAnswer: B. National Language Translation Mission
Explanation:
● BHASHINI – BHASHa INterface for India is an AI-based language translation tool for Indian languages.Key Features:
● Language Support: Translation in 22 Indian languages using voice as a medium.
● Digital Inclusion: Bridges the digital divide across education, healthcare, agriculture, and public services.
● AI-Powered: Real-time translation through advanced AI models.
● Open Source: Provides open-source AI models for innovation and widespread use.
- Question 2 of 5
2. Question
Which of the following statements correctly distinguishes the features of plant and animal cells?
1. Plant cells have a cell wall and chloroplasts, whereas animal cells do not.
2. Animal cells have centrioles and lysosomes, whereas plant cells generally do not.
3. Both plant and animal cells have mitochondria and a nucleus.
How many of the above statements are correct?
CorrectAnswer: C. All three
Explanation:
● Statement 1: Correct. Plant cells have a cellulose-based cell wall and chloroplasts for photosynthesis.
● Statement 2: Correct. Animal cells typically have centrioles (cell division) and lysosomes (digestion), which are absent in plant cells.
● Statement 3: Correct. Both have mitochondria (energy production) and a nucleus (genetic material).
● Additional Point: In plant cells, the nucleus is usually off-center, while in animal cells, it is centrally located.
IncorrectAnswer: C. All three
Explanation:
● Statement 1: Correct. Plant cells have a cellulose-based cell wall and chloroplasts for photosynthesis.
● Statement 2: Correct. Animal cells typically have centrioles (cell division) and lysosomes (digestion), which are absent in plant cells.
● Statement 3: Correct. Both have mitochondria (energy production) and a nucleus (genetic material).
● Additional Point: In plant cells, the nucleus is usually off-center, while in animal cells, it is centrally located.
- Question 3 of 5
3. Question
What is the primary purpose of bioremediation in environmental management?
CorrectAnswer: C. To clean up polluted environments
Explanation:
Bioremediation uses microorganisms (bacteria, fungi) to break down pollutants into non-toxic forms.Examples:
● Oil Spill Cleanup: Hydrocarbon-consuming bacteria clean up oil spills.● Industrial Waste Treatment: Specific microbes detoxify heavy metals in contaminated soil and water.
● Groundwater Decontamination: Microorganisms degrade organic solvents like TCE into harmless byproducts.
IncorrectAnswer: C. To clean up polluted environments
Explanation:
Bioremediation uses microorganisms (bacteria, fungi) to break down pollutants into non-toxic forms.Examples:
● Oil Spill Cleanup: Hydrocarbon-consuming bacteria clean up oil spills.● Industrial Waste Treatment: Specific microbes detoxify heavy metals in contaminated soil and water.
● Groundwater Decontamination: Microorganisms degrade organic solvents like TCE into harmless byproducts.
- Question 4 of 5
4. Question
Consider the following statements regarding ASAT (Anti-Satellite Missile Test):
1. These are weapons used to destroy other satellites.
2. ASAT systems are only ground-based.
3. India’s Mission Shakti demonstrated ASAT capabilities.
How many of the above statements are correct?
CorrectAnswer: B. 1 and 3 only
Explanation:
● Statement 1: Correct. ASAT weapons disable or destroy satellites.● Statement 2: Incorrect. ASAT systems can be ground-based, sea-based, or airborne.
● Statement 3: Correct. Mission Shakti (March 27, 2019) successfully demonstrated India’s ASAT capability by targeting a satellite in low Earth orbit.
IncorrectAnswer: B. 1 and 3 only
Explanation:
● Statement 1: Correct. ASAT weapons disable or destroy satellites.● Statement 2: Incorrect. ASAT systems can be ground-based, sea-based, or airborne.
● Statement 3: Correct. Mission Shakti (March 27, 2019) successfully demonstrated India’s ASAT capability by targeting a satellite in low Earth orbit.
- Question 5 of 5
5. Question
Consider the following statements regarding the Square Kilometre Array Observatory (SKAO) project:
1. The SKA project aims to build one of the largest and most sensitive radio telescopes in the world.
2. SKAO will consist of one global observatory, operating one telescope.
3. The SKAO has its operational headquarters in the United States.
4. The SKA project involves collaboration from multiple countries, including Australia and South Africa.
How many of the above statements are correct?
CorrectAnswer: C. Only two
Explanation:
● Statement 1: Correct. SKAO is building a highly sensitive radio telescope with a total collecting area of ~1 sq. km.
● Statement 2: Incorrect. SKAO operates two telescopes across three sites.
● Statement 3: Incorrect. The headquarters is at the Jodrell Bank Observatory, UK.
● Statement 4: Correct. It’s a global collaboration involving countries like India, Australia, and South Africa.
IncorrectAnswer: C. Only two
Explanation:
● Statement 1: Correct. SKAO is building a highly sensitive radio telescope with a total collecting area of ~1 sq. km.
● Statement 2: Incorrect. SKAO operates two telescopes across three sites.
● Statement 3: Incorrect. The headquarters is at the Jodrell Bank Observatory, UK.
● Statement 4: Correct. It’s a global collaboration involving countries like India, Australia, and South Africa.
