Recent questions asked in neet 2020 p2

Which of the following statement is not true about glucose? (1) It is an aldopentose. (2) It is an aldohexose. (3) It contains five hydroxyl groups. (4) It is a reducing sugar.

In a typical fuel cell, the reactant (R) and product (P) are (1) R = H2(g) · N2(g) : P = NH3(aq) (2) R = H2(g) · O2(g) : P = H2O2(l) (3) R = H2(g) · O2(g) : P = H2O(l) (4) R = H2(g) · O2(g) · Cl2(g) : P = HClO4(aq)