Match List-I with List-II: List-I List-II A. Metacentric chromosome...

\begin{array}{lll} \text{Metacentric chromosomes} & \rightarrow & \begin{array}{l} \text{Middle centromere forming two equal arms of chromosomes} \end{array} \\ \text{Sub-metacentric chromosomes} & \rightarrow & $$\begin{array}{l} \text{Centromere is slightly away from the middle of chromosomes resulting into two unequal arms.} \end{array}$$ \\ \text{Acrocentric chromosomes} & \rightarrow & $$\begin{array}{l} \text{Centromere is situated close to its end forming one extremely short and one very long arm.} \end{array}$$ \\ \text{Telocentric chromosomes} & \rightarrow & \text{Chromosome has a terminal centromere} \end{array}$ Hence the correct answer is option (4).