Leaving Certificate Biology Cell Continuity 1 iQuiz SECOND Press the F5 Key to Begin, Then click on this Blue Box FIRST In PowerPoint 2007 if you see a Security Warning click HERE on Options… and then click on  Enable this content

How many chromosomes are normally present in a human cheek cell?

Spindle threads are attached to the chromosomes at the … MitochondriaCentromeres CentriolesMetaphase

The chromosome number of human gametes is …

Specialised sex cells are called … GametesSpores ZygotesEndospores

A zygote is a diploid cell resulting from the union of … A gamete and zygospore A gamete and a spore Two sporesTwo gametes

The centromeres split and half of each chromosome pair moves from the equator to the poles of the cell. This describes which stage of cell division? ProphaseAnaphase MetaphaseTelophase

Any substance that will cause a normal cell to lose control over their rate of growth and cell division, is known as a … CarcinogenCarotenoid CallusCarnivore

What term is given to the fixed number of chromosomes found in somatic body cells? MonoploidDiploid PolyploidHaploid

Any cell which must fuse with another cell in order to produce a new individual is called a … SpermSpore GameteEgg

A cell that contains half the somatic number of chromosomes is said to be … PolyploidDiploid HaploidTriploid

What is the term used to describe the preparatory stage before or a resting stage after mitosis or meiosis? TelophaseInterphase AnaphaseProphase

Stage of cell division: chromosomes become attached to the spindle fibres by their centromeres and become aligned in an equatorial plane perpendicular to the spindle axis AnaphaseMetaphase TelophaseProphase

What is the usual method of cell division by cells not involved in the formation of gametes (somatic cells)? Binary fissionMeiosis Mitosis Transverse division fission

Name the type of cell division that occurs in a gamete or spore producing cell. Binary fission Transverse division fission MitosisMeiosis

A swelling due to abnormal growth of cells is called a … CancerTumour SwellingMalignancy

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