(2.1) Reproduction And Heredity Question Preview (ID: 17340)


Mitosis. TEACHERS: click here for quick copy question ID numbers.

Alla uses a microscope to look at slides of onion cells. The slides show the stages of the cell cycle. The slides are labeled and in the correct order, starting with interphase. In which slide would Alla first see chromosomes?
a) anaphase
b) prophase
c) telophase
d) cytokinesis

Which of these statements most likely describes what happens if DNA is not duplicated during interphase?
a) The new cells would be more numerous.
b) The new cells would have too many chromosomes.
c) The new cells would have too many or too few nuclei.
d) The new cells would have an incorrect number of chromosomes.

Interphase is the longest stage of what process?
a) mitosis
b) cell cycle
c) cytokinesis
d) reproduction

How would living things differ if cell division took place only for reproduction?
a) All living things would be single celled.
b) Multi-cellular organism would be must smaller.
c) Living things would be more genetically diverse.
d) Multi-cellular organism would be unable to repair damaged cells.

Which of the lists presents the stages of the cell cycle in the correct order?
a) interphase, mitosis, cytokinesis
b) cytokinesis, mitosis, interphase
c) mitosis, interphase, cytokinesis
d) interphase, cytokinesis, mitosis

Why does cell division take place in single-celled organisms?
a) in order for the organisms to grow
b) to reproduce and pass on genetic information
c) to enable the organisms to heal injured tissues
d) to make specialized cells for different functions

Which of the following statements correctly describes the function of cell division in unicellular organism?
a) Cell division allows the organism to grow.
b) Cell division allows the organism to reproduce.
c) Cell division allows the organism to produce sex cells.
d) Cell division allows the organism to repair damage to the cell.

In what way is cell division important to keeping organisms healthy?
a) Cell division makes specialized cells.
b) Cell division causes cells to grow larger.
c) Cell division replaces damaged cells with new cells.
d) Cell division is not part of keeping organisms healthy.

How does a multi-cellular organisms grow larger?
a) Multi-cellular organisms do not grow larger.
b) Individual cells in the organism grow larger.
c) The organism gains new cells from other organism.
d) Cells in the organism divide, increasing the total number of cells.

Terrell uses a microscope to look at slides of plant cells. He sees a cell with two nuclei that have visible chromosomes. In which stage of cell division is this cell?
a) anaphase
b) prophase
c) telophase
d) metaphase

What process does a multi-cellular organism use to replace its damaged body cells?
a) mitosis
b) meiosis
c) replication
d) transcription

Which of these phases of mitosis takes place first?
a) anaphase
b) telophase
c) prophase
d) metaphase

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