RU Admission Test 2020-2021 (Unit-C, Group-2)

1. How many isomers are present for the chemical formula 1,2-dibromo ethylene, $\mathrm{C}_{2} \mathrm{H}_{2} \mathrm{Br}_{2}$ ?

2. Regulates HCI secretion in stomach-

3. If $A=\left[\begin{array}{cc}1 & 2 \\ 3 & -4\end{array}\right]$ then $A^{2}+3 A-101$ will be a -

4. If the perpendicular distance from the vertex of a parabola to the directrix is 3 units, then what is the length of its latus rectum?

5. Which one is an aromatic amino acid?