AnswersFL-2002040-MJ Comprehensive Science 1 CRCellular Interactions with the Environment

Cellular Interactions with the Environment — Unit test Answers

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1
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Which process results in two identical cells?

A
meiosis
B
replication
C
fertilization
D
mitosis
2
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Eliana made a Venn diagram to compare the two stages of cellular respiration.

Question illustration
A
Energy is released.
B
Oxygen is used up.
C
Glucose is broken down.
D
Carbon dioxide is used up.
3

Which image represents the step in mitosis when chromosomes condense and spindle fibers form?

A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
4

Which compares prokaryotes and eukaryotes?

A
Prokaryotes have DNA, and eukaryotes do not.
B
Eukaryotes have DNA, and prokaryotes do not.
C
Prokaryotes are multi-celled, and eukaryotes are single-celled or multi-celled.
D
Prokaryotes are single-celled, and eukaryotes are single-celled or multi-celled.
5

Which is the best example of plant tissue?

A
Option
B
Option
C
Option
D
Option
6

What happens during telophase II? Select three options.Chromosomes condense.Chromosomes line up along the middle.Spindle fibers disappear.Nuclear membranes form.Cytoplasm starts to divide.

A
Chromosomes condense.
B
Chromosomes line up along the middle.
C
Spindle fibers disappear.
D
Nuclear membranes form.
E
Cytoplasm starts to divide.
7

At which stage is glucose broken into smaller molecules?

A
before cellular respiration begins
B
during the first stage of cellular respiration
C
during the second stage of cellular respiration
D
at the end of cellular respiration
8

is the longest stage of the cell cycle.

Answer not available
9

In which step of meiosis do chromosomes first condense?

A
telophase I
B
telophase II
C
prophase I
D
prophase II
10

An organism has 18 chromosomes in its body cells. Its sex cells have 9 chromosomes.Which statement correctly explains this?

A
Its body cells are haploid and a result of mitosis.
B
Its sex cells are diploid and a result of mitosis.
C
Its sex cells are haploid and a result of meiosis.
D
Its body cells are diploid and a result of meiosis.
11

Which best describes two ways in which hydrogen is involved in photosynthesis?

A
1 - Hydrogen is stored in leaves of plants.2 - Hydrogen combines with carbon dioxide to make glucose.
B
1 - Hydrogen is stored in leaves of plants.2 - Hydrogen combines with oxygen to make water.
C
1 - Hydrogen enters plants as a component of water.2 - Hydrogen combines with carbon dioxide to make glucose.
D
1 - Hydrogen enters plants as a component of water.2 - Hydrogen combines with oxygen to make carbon dioxide.
12

Carla drew a diagram to compare the roles of oxygen and hydrogen in photosynthesis.

Question illustration
A
Enters plant as a part of water
B
Combines with carbon dioxide
C
Is released into air through stomata
D
Is stored in leaves for later use
14

Study the diagram of a cell.

Question illustration
A
W
B
X
C
Y
D
Z
15

Which stage of the cell cycle causes the pinching in of the cell membrane to create two individual cells?

A
mitosis
B
cytokinesis
C
interphase
D
metaphase

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