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Prelims GS 2020 Solved with CST performance

Posted by : admin / On : 10-07-2021 /

Science and Technology

 Q1. With reference to the carbon nanotubes, consider the following statements: 
1. They can be used as carriers of drugs and antigens in the human body. 
2. They can be made into artificial blood capillaries for an injured part of human body. 
3. They can be used in biochemical sensors. 
4. Carbon nanotubes are biodegradable touse bio-active protein called Harpin,taken from a phytopathogenic bacterium, which is biodegradable.