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Q3 Test: DNA, CELL CYCLE AND MITOSIS

Total questions: 35

Worksheet time: 37mins

Name
Class
Date
1.

What is this phase of mitosis?

a)

Prophase

b)

Anaphase

c)

Cytokinesis

d)

Telophase

2.

What is this phase in Mitosis ?

a)

Metaphase

b)

Telephase

c)

Prophase

d)

Anaphase

3.

Interphase is divided into three phases , Which are ?

a)

G1

S

G2

b)

Mitosis

G1

G2

c)

S

G2

Cytokiesis

4.

Which of the following are the three major stages of the cell cycle IN CORRECT ORDER ?

a)

Mitosis or M-phase, Cytokinesis, Interphase

b)

Interphase, Cytokinesis, M-phase

c)

Interphase, M-phase, Cytokinesis

5.

Which of the following is NOT true about mitosis?

a)

The chromosome number in the resulting cells is the same as parent cell's chromosome number

b)

The number of chromosomes of the daughter cells is one-half of the parent cell's chromosomes.

c)

Mitosis is also a mode of asexual reproduction

d)

DNA replication is completed prior to mitosis during the S- phase.

6.

What is the longest stage of the cell cycle?

a)

Interphase

b)

Mitosis

c)

Cytokineses

7.

The cell cycle is described as ?

a)

a period during which the cell undergoes growth

b)

an ordered series of events that leads to cell growth and division into two daughter cells

c)

the DNA replication.

d)

division preparation and organelles are duplicated

8.

In the cell cycle diagram, when does DNA make exact copy of itself?

a)

Mitosis ( M-phase)

b)

Synthesis or S-phase

c)

G2

9.

What does phase C represent in the diagram?

a)

Mitosis

b)

G2

c)

G1

10.

What is the function of Phase B?

a)

the chromosomes enter a relaxed state that allows the enzyme DNA polymerase to access the DNA double helix inside each chromosome.

b)

extra protein is often synthesized, and the organelles multiply until there are enough for two cells.

c)

the cell synthesizes various enzymes and nutrients that are needed later on for DNA replication and cell division.

11.

The spliting or division of the cytoplasm with two complete daughter cells is called _____________.

a)

Metaphase

b)

teleophase

c)

anaphase

d)

cytokinesis

12.

During this phase, the chromosomes are duplicated and organelles are duplicated

a)

Interphase

b)

metaphase

c)

anaphase

d)

cytokinesis

13.

This is the genetic material composed of DNA, which can be visibly seen in the nucleus of a cell during the process of cell division .

a)

Chromosomes

b)

Organelles

c)

Endoplasmic Reticulum

14.

Microtubule structures, called _____________________ help the centrioles separate the chromosomes during cell division.

a)

Centromeres

b)

Spindle Fibers

c)

Sister Chromatids

d)

Cell Plates

15.

The relaxed form of DNA which appears like thread-like form in the nucleus of a cell during the interphase is called ______.

a)

Chromatin

b)

chromosome

c)

sister chromatids

16.
Fruit fly body cells have 8 chromosomes. After mitosis, you would expect a resulting fruit fly daughter cell to have -
a)
16 chromosomes.
b)
46 chromosomes.
c)
8 chromosomes.
d)
4 chromosomes.
17.
Which of the following describes the purpose of the mitosis cell cycle?
a)
To make more of the same cells.
b)
For growth and repair.
c)
To prevent the cell from becoming too large.
d)
All of the above.
18.

The chromosomes are pulled apart at the centromere and each replicated half migrates toward the poles

along the spindle fibers.

Los cromosomas se separan en el centrómero y cada mitad replicada migra hacia los polos a lo largo de las fibras del huso.

a)

Prophase

b)

Anaphase

c)

Telophase

d)

Metaphase

19.

Put the following stages of mitosis in order: anaphase, prophase, metaphase, and telophase.

Ponga en orden las siguientes etapas de la mitosis: anafase, profase, metafase y telofase.

a)

prophase, metaphase, telophase, anaphase

b)

prophase, anaphase, metaphase, telophase

c)

prophase, metaphase, anaphase, telophase

d)

prophase, telophase, metaphase, anaphase

20.

During which phase of the cell cycle is DNA replicated?

¿En qué fase del ciclo celular se replica el ADN?

a)

G1 phase

b)

S phase

c)

G2 phase

d)

M phase

21.

What phase of mitosis is shown in the picture?

¿Qué fase de la mitosis se muestra en la imagen?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

22.

Cancer creates abnormal cells by disrupting

El cáncer crea células anormales al interrumpir

a)

the cell cycle

el ciclo celular

b)

red blood cell formation

formación de glóbulos rojos

c)

DNA replication

Replicación de ADN

d)

ATP synthesis

Síntesis de ATP

23.

What is the end result of the cellular process known as mitosis?

¿Cuál es el resultado final del proceso celular conocido como mitosis?

a)

2 cells that are identical to the parent cell

2 células que son idénticas a la célula madre

b)

2 cells that have half the number of chromosomes as the parent cell

2 células que tienen la mitad de cromosomas que la célula madre

c)

4 cells that are identical to the parent cell

4 celdas que son idénticas a la célula madre

d)

4 cells that have half the number of chromosomes as the parent cell

4 células que tienen la mitad de cromosomas que la célula madre

24.

What are three levels o your genetic code in order from smallest to largest?

a)

gene, DNA, chromosomes

b)

DNA, chromosomes,gene

c)

chromosomes, gene, DNA,

d)

DNA, gene, chromosomes,

25.

How many nucleotides are in the picture?

a)

6

b)

12

c)

2

d)

8

26.

Why is Replication important to YOU?

a)

to make proteins

b)

to destroy old cells

c)

to help you make more cells and grow

d)

to change genetic code

27.

What is a mutation?

a)

a cell growing normally

b)

a change in DNA's code

c)

copying DNA

d)

the building of proteins

28.

Which of these can cause a mutation?

a)

the sun

b)

chemicals

c)

radiation

d)

all of the above

29.

A gene mutation

a)

The entire gene is affected multiple times

b)

one nucleotide in a gene is affected

c)

the chromosome is affected

d)

more than one gene is affected

30.

Study the picture, Why is this a chromsomal mutation?

a)

one gene is affected

b)

one nucleotide is affected

c)

the mutation is beneficial

d)

More than one gene is changed

31.

WHat is the complementary DNA strand for GCTTAC

a)

GCTTAC

b)

CGAATG

c)

CATTCG

d)

TACCGT

32.

Why are there weak hydrogen bonds?

a)

So DNA can be unzipped down the middle

b)

to cause mutations

c)

to make the DNA cod stronger

d)

to change the genetic code

33.

The genes control our characteristics or ____.

a)

lipids

b)

nucleotides

c)

traits

d)

DNA

34.

Since DNA has a twisted shape, we call it

a)

single strand

b)

double helix

c)

double curved

d)

triple backbone

35.

DNA is called a polymer because?

a)

DNA only has phosphates, but no sugars

b)

DNA has many repeating nucleotides

c)

DNA is very short, small molecules

d)

DNA has very few paes in the molecule