In this task, you are given a question and answer options for that question. Using this information, you have to classify each text into different topics: medicine, nursery, psychology, chemistry, pharmacology, biology.

Question: The reaction of 3-nitrobenzaldehyde with NaBH 4 in aqueous methanol gives: 
 Options:  <0> 3-Aminobenzaldehyde. <1> 3-nitrobenzoic acid. <2> 1-Methyl-3-nitrobenzene. <3> 3-Nitrobenzoate sodium. <4> (3-Nitrophenyl) methanol.
chemistry

Question: What consequence of RNA bases will be produced when the AGGCCTTTACGC DNA fragment is transcribed ?: 
 Options:  <0> TCCGGAAATGCG. <1> AGGCCUUUACGC. <2> UGGCCUUUUGCG <3> UGGCCUUUUCGC. <4> UCCGGAAAUGCG.
pharmacology

Question: Iron deficiency anemia is treated with oral or parenteral preparations: 
 Options:  <0> Only ferrous salts should be used orally. <1> Only ferric salts should be used orally. <2> Orally, the most appropriate form is the iron-dextran complex. <3> Orally, the treatment should last a maximum of fifteen days. <4> Only ferrous salts should be used parenterally.

pharmacology