Which of the pairs given above is correctly marked regarding critical minerals and their applications?

Option (b) 2 only is correct. Aluminium and copper are essential for electricity-related technologies. Cobalt and manganese are used for batteries, not wind turbines. Permanent magnets are used in wind turbines, not batteries.

How many statements regarding Lysosomal Storage Disorders (LSDs) are correct?

Option (b) Only two is correct. LSDs are rare inherited metabolic disorders and India has a government-supported national biobank for LSDs. However, treatments exist for some LSDs.

With reference to Project Silica, which statements are correct?

Option (a) 1 only is correct. Project Silica aims to store data in glass for thousands of years and is developed by Microsoft, not Google or NASA.

With reference to CAR T-cell therapy, which statement is correct?

Option (c) 1 only is correct. CAR T-cell therapy reprogrammes T-cells to target cancer cells. It is currently effective mainly for certain blood cancers.

How many statements regarding lunar eclipses are correct?

Option (d) None is correct. A lunar eclipse occurs when Earth comes between the Sun and Moon. They occur multiple times per year globally and are not always visible from India.

Daily UPSC Prelims MCQs - Science & Tech. - 4th March 2026

Jigyashu Mishra
6 days ago
1 min read

Updated: 5 days ago

Test your UPSC CSE 2026 preparation with today’s Science & Technology (Every wednesday) Quiz — covering critical minerals and their applications, Lysosomal storage disorders (LSDs), Project Silica, CAR T-cell therapy, lunar eclipse and more.

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