With reference to 'stem cells', frequently in the news, which of the following statements is/are correct? 1. Stem cells can be derived from mammals only. 2. Stem cells can be used for screening new drugs. 3. Stem cells can be used for medical therapies. Select the correct answer using the codes given below:
A1 and 2 only
B2 and 3 only
C3 only
D1, 2 and 3
Answer & Solution
Correct answer: B. 2 and 3 only
UPSC CSE Prelims 2012 (GS-I, Set A), Q.16. Answer key: B (coaching consensus; UPSC did not publish an official 2012 AK separately on upsc.gov.in).
Related questions
Chandrayaan-3 (India's lunar mission) achieved a historic FIRST in 2023 by:The double-helix structure of DNA was discovered by:The 'powerhouse of the cell' that produces ATP for energy is:At room temperature, the only metal that exists in the LIQUID state is:The pH of a NEUTRAL solution (pure water at 25°C) is:In the modern periodic table, elements are arranged by:Standard Indian household electricity supply is:The refractive index of a medium is defined as: