Cell Division

Diagram shows Process Y occurs after Process Y.

Which term correctly describes process X and Y?

• X: Karyokinesis Y: Cytokinesis

• X: Cytokinesis Y: Karyokinesis

• X: DNA Synthesis Y: Cytokinesis

• X: Karyokinesis Y: DNA Synthesis

• P

• Q

• R

• S

Diagram shows stages in mitosis that occurs in an animal cell.

Which of the following is the correct order?

• R > S > P > Q

• P > Q > R > S

• R > P > S > Q

• P > S > R > Q

Diagram shows two animal cells undergoing two different stages of cell division.

Which term correctly describes structure P and structure Q?

• P: Sister chromatid Q: Chromatid

• P: Chromatid Q: Sister Chromatid

• P: Bivalent Q: Sister Chromatid

• P: Chromatid Q: Bivalent

The diagram shows two strawberry plants. Plant 2 is produced asexually from plant 1. If the leaf cells of plant 1 have 56 chromosomes, how many chromosomes will be found in the leaf cells of plant 2?

• 14

• 28

• 56

• 112

The diploid chromosomal number of a cat is 38. If one of the homologous chromosomes pair DOES NOT separate during meiosis I, how many chromosomes can be found in the gametes?

• 18

• 19

• 20

• 38

The _________ part of the cell cycle takes the longest time.

What is the difference between benign and malignant tumors?

• Benign tumors are not life threatening and malignant tumors are life threatening.

• Benign tumors are life threatening and malignant tumors are not life threatening.

• Benign tumors can have multiple nuclei while malignant tumors do not.

• Benign tumors can have multiple chromosome while malignant tumors do not.

Diagram shows several stages in meiosis.

What is the chromosome behaviour in stage R?

• Chromosome condense and thicken

• Chromosome arrange themselves around equatorial plane

• Homologous chromosomes pair together and cross-over occurs

• Homologous chromosomes separate and move to the opposite poles

Diagram shows the process of sheep cloning.

Between sheep W, X and Z, Offspring S will most likely look like…

• Sheep W

• Sheep X

• Sheep Z

• None