Free Printable First Semester Exam Review 19-20

1.

Light + 6CO2 + 6H2O → C6H12O6 + 6O2 is _____________..

a)

Photosynthesis and occurs in Chloroplasts.

b)

Photosynthesis and occurs in Mitochondria.

c)

Cellular Respiration and occurs in Chloroplasts.

d)

Cellular Respiration and occurs in Mitochondria.

2.

ATP + 6CO2 + 6H2O ← C6H12O6 + 6O2 is ___________.

a)

Photosynthesis and occurs in Chloroplasts.

b)

Photosynthesis and occurs in Mitochondria.

c)

Cellular Respiration and occurs in Chloroplasts.

d)

Cellular Respiration and occurs in Mitochondria.

3.

The process by which plants trap the sun's energy to build carbohydrates is called ______.

a)

Cellular Respiration

b)

Protein Synthesis

c)

Frozation

d)

Photosynthesis

4.

The process that transfers chemical energy in carbohydrates into ATP is called ______.

a)

Cellular Respiration

b)

Protein Synthesis

c)

Frozation

d)

Photosynthesis

5.

Plants absorb the sun's energy using pigment molecules called _________.

a)

Glucose

b)

Chlorophyll

c)

Thylakoids

d)

Chloroplasts

6.

Organisms that make their own food are called _____.

a)

Soloists

b)

Abiotic

c)

Autotrophs

d)

Heterotrophs

7.

Organisms that eat other organisms for their food are called _____.

a)

Soloists

b)

Abiotic

c)

Autotrophs

d)

Heterotrophs

8.

Organisms are living things, everything else is _____.

a)

Soloists

b)

Abiotic

c)

Autotrophs

d)

Heterotrophs

9.

When green plants are eaten by a rabbit, how much energy is being passed along to the rabbit?

a)

100%

b)

10%

c)

1%

d)

0.1%

10.

Which of the following cycles in NOT necessary to sustain life?

a)

Phosphorus Cycle

b)

Water Cycle

c)

Carbon Cycle

d)

Lithium Cycle

11.

Which two organelles are most directly involved in the flow of energy from the sun through all living things?

a)

golgi apparatus and mitochondria

b)

chloroplasts and mitochondria

c)

lysosomes and chloroplasts

d)

mitochondria and ribosomes

12.

ANABOLIC pathways _____ energy, while CATABOLIC pathways ______ energy.

a)

destroy (release), build (store)

b)

build (store), destroy (release)

13.

Correctly identify the steps of energy transfer taking place when corn is eaten by deer.

a)

Chemical energy (C6H12O6) is converted into light energy and CO2

b)

Mechanical energy (ATP) produced from light and CO2 is converted into light energy.

c)

Mechanical energy (ATP) is converted into chemical energy (C6H12O6)

d)

Chemical energy (C6H12O6), produced from light and CO2, and then converted to mechanical energy (ATP)

14.

How does the DNA code determine amino acid sequence?

a)

DNA is made from amino acids and used to make proteins

b)

DNA is made from ribosomes and translated into a new nucleu

c)

mRNA is made in the ribosomes and folded into proteins

d)

DNA codes for amino acids and uses mRNA to deliver the code

15.

The DNA structure in a cell accounts for genetic variation based on the order of its ______?

a)

Sugar groups

b)

hydrogen bonds

c)

nitrogenous bases

d)

phosphate groups

16.

If a section of DNA has 27% Guanine, how much Cytosine will it have?

a)

54%

b)

46%

c)

27%

d)

23%

17.

Which best describes adaptation?

a)

reproducing as a species

b)

a short-term change in behavior in response to a stimuli

c)

inherited changes resulting from structural changes due to environmental factors overtime

d)

change in size as an organism ages

18.

Eating food and photosynthesis are examples of which characteristic of life?

a)

Reproduction

b)

Requires Energy

c)

Adaptation

d)

Organization

19.

Two students were investigating the effect of light intensity on the rate of photosynthesis of elodea, an aquatic plant. They exposed elodea to different amounts of light. After exposing the elodea to different amounts of light, the students counted the number of bubbles of oxygen produced in the water to determine the rate of photosynthesis. What is the dependent variable in this experiment?

a)

Light intensity

b)

Rate of photosynthesis

c)

Aquatic plant (elodea)

d)

Number of bubbles of carbon dioxide

20.

Two students were investigating the effect of light intensity on the rate of photosynthesis of elodea, an aquatic plant. They exposed elodea to different amounts of light. After exposing the elodea to different amounts of light, the students counted the number of bubbles of oxygen produced in the water to determine the rate of photosynthesis. What is the independent variable in this experiment?

a)

Light intensity

b)

Rate of photosynthesis

c)

Aquatic plant (elodea)

d)

Number of bubbles of carbon dioxide

21.

Two students were investigating the effect of light intensity on the rate of photosynthesis of elodea, an aquatic plant. They exposed elodea to different amounts of light. After exposing the elodea to different amounts of light, the students counted the number of bubbles of oxygen produced in the water to determine the rate of photosynthesis. What must be held constant in this experiment?

a)

Light intensity

b)

Rate of photosynthesis

c)

Aquatic plant (elodea)

d)

Number of bubbles of carbon dioxide

22.

Two students were investigating the effect of light intensity on the rate of photosynthesis of elodea, an aquatic plant. They exposed elodea to different amounts of light. After exposing the elodea to different amounts of light, the students counted the number of bubbles of oxygen produced in the water to determine the rate of photosynthesis. Which of the following is a correct hypothesis for this experiment?

a)

If light intensity increases, then the photosynthetic rate will increase.

b)

The increased rate of photosynthesis increases the Light intensity.

c)

If the rate of photosynthesis increases, then the light intensity will increase.

d)

If the rate of photosynthesis increases, then the number of bubbles will increase.

23.

Which of the following results from quantitative analysis of the apples?

a)

The apples are colorful.

b)

There are six apples.

c)

The apples are drawings.

d)

The apples fake.

24.

Which piece of lab equipment do students use to measure volume of a book?

a)

beaker

b)

balance

c)

test tube

d)

metric ruler

25.

What component of the cell identifies the cell as a plant cell?

a)

Nucleus

b)

Cytoplasm

c)

Ribosome

d)

Cell Wall

26.

Which statement BEST describes the PURPOSE of the process of DNA REPLICATION?

a)

to make proteins

b)

to unwind, base pair, and join DNA

c)

to make sugars

d)

to copy DNA for new cells

27.

The purpose of TRANSCRIPTION and TRANSLATION is to __.

a)

to make proteins

b)

to unwind, base pair, and join DNA

c)

to make sugars

d)

to copy DNA for new cells

28.

Which of the following best explains why the phospholipid bi-layer is able to maintain its structure in a watery environment?

a)

The heads are polar and hydrophilic while the tails are non-polar and hydrophobic

b)

The heads are non-polar and hydrophilic while the tails are polar and hydrophobic

c)

Both the heads and tails are polar and hydrophilic

d)

Both the heads and tails are non-polar and hydrophobic

29.

Which process, necessary for cell reproduction, occurs during cell growth (interphase)?

a)

DNA replication

b)

RNA replication

c)

Dissolution of the cell membrane

d)

Dissolution of the nuclear membrane

30.

As a cell grows in size, transport of materials in and out of the cell becomes more difficult. Which event helps a cell to efficiently transport material as the cell grows?

a)

The cell undergoes mutation.

b)

The cell develops a thicker cell wall.

c)

The cell undergoes mitosis.

d)

The cell stores more materials in its vacuoles.

31.

As a cell grows in size, transport of materials in and out of the cell becomes more difficult. Which event helps a cell to efficiently transport material as the cell grows?

a)

The cell undergoes mutation.

b)

The cell develops a thicker cell wall.

c)

The cell undergoes mitosis.

d)

The cell stores more materials in its vacuoles.

32.

Which of the following describes apoptosis?

a)

cell growth

b)

cell normally functioning

c)

DNA is duplicated repeatedly

d)

cell death

33.

Starting with one cell that went through 4 cell cycles, how many total cells would there be?

a)

2

b)

4

c)

8

d)

16

34.

After mitosis and cytokinesis, of the cell cycle, what are produced?

a)

Daughter cells with different numbers of chromosomes.

b)

Daughter cells with half the number of chromosomes.

c)

Daughter cells with identical genetic information as parent cells.

d)

Daughter cells with genetic information, which is different than the parent cell.

35.

What phase during the cell cycle is a cell’s DNA replicated?

a)

M phase

b)

G1 phase

c)

G0 phase

d)

S phase

36.

What phase during the cell cycle is also known as the resting phase?

a)

M phase

b)

G1 phase

c)

G0 phase

d)

S phase

37.

Cancer cells are cells that _____.

a)

uncontrollably function

b)

uncontrollably grow and divide

c)

normally grow

d)

normally divide

First Semester Exam Review 19-20

Total questions: 37

Worksheet time: 19mins

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