Science & Tech

Biology, IT, space, defence technology, biotechnology. Filter by topic or year.

1 question

2024 · Question 36 · Materials Science
In which of the following are hydrogels used ? 1. Controlled drug delivery in patients 2. Mobile air-conditioning systems 3. Preparation of industrial lubricants Select the correct answer using the code given below :
Choose your answer(a)1 only(b)1 and 2 only(c)2 and 3 only(d)1, 2 and 3
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)