N5 Biology Unit 2

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

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

• Muscle Cell

• Sperm Cell

• Skin Cell

• Liver Cell

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

Select the correct hierarchy of cells

• Tissues > Cells > Organs > Systems

• Cells > Organs > Tissues > Systems

• Organs > Tissues > Cells > Systems

• Cells > Tissues > Organs > Systems

The Central Nervous Systems is composed of...

• The Brain

• The Spinal Cord

• The Peripheral Nerves

• The Brain and Spinal Cord

State the function of the cerebellum

• Responsible for conscious thought, reasoning and memory

• Controls heart rate and breathing

• Controls balance and coordinated movement

• Controls most cell activities

State the function of the medulla

• Responsible for conscious thought, reasoning and memory

• Controls heart rate and breathing

• Controls balance and coordinated movement

• Controls most cell activities