Sketch and label X and Y chromosome.

Compare X and Y chromosomes.

Sketch and label xylem

Sketch and label collenchyma.

Sketch and label Balanoglossus.

Sketch and label the human excretory system.

Sketch and label the diagram to show the experiment on root pressure.

What are the basic units of a deoxyribose nucleic acid called? Sketch and label a monomer making the polymer Dna.

Diagram-based questions : Sketch and label the diagram to show ATP-the energy currency of the cell.

Sketch , label and classify Frog

Question based on diagram Sketch and label of A nerve cell.