Unit 2A Test Revision

Name the structure which joins the chromatids in a chromosome.

• Centromere

• Centrosome

• Spindle fibres

• Chromosome

What is the name given to an organisms characteristic number of chromosomes?

• Chromosome Set

• Chromosome Pair

• Chromosome Complement

• Chromosome Supplement

What term is used to describe a cell with two matching sets of chromosomes?

• Haploid

• Diploid

What term is used to describe a cell which only contains a single set of chromosomes?

• Haploid

• Diploid

Which of the following is an example of a haploid cell?

• Muscle Cell

• Sperm Cell

• Skin Cell

• Liver Cell

What is the purpose of mitosis?

• The growth and repair of cells

• To pass on genetic information

• To produce ATP

• To allow the movement of molecules through a selectively permeable membrane

Where do chromosomes line up in the cell before spindle fibres form?

• The North Pole

• The Equator

• The South Pole

• The Nucleus

What structures attach to the chromosomes and pull the chromatids to opposite poles?

• Cell Membranes

• Nuclear Membranes

• Spindle Fibres

• Cytoplasm

Stem Cells are unspecialised cells.

• True

• False

Select the correct hierarchy of cells

• Tissues > Cells > Organs > Systems

• Cells > Organs > Tissues > Systems

• Organs > Tissues > Cells > Systems

• Cells > Tissues > Organs > Systems