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1st Semester Final Practice Mr. White

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

ATP is produced in which organelle?

a)

Gogli Aparatus

b)

Chloroplast

c)

Vauole

d)

Mitochondria

2.

Identify number 7 in the photosynthesis/cellular respiration model.

a)

Oxygen

b)

Glucose

c)

Water

d)

ATP

3.

Which is the correct chemical equation for cellular respiration?

a)

C6H12O6 + 6O2 → 6CO2 + 6H2O + ATP

b)

C6H12O6 + O2 → CO2 + H2​O + ATP

c)

6CO2 + 6H2O → C6H12O6 + 6O2

d)

CO2 + H2O + Light → C6H12O6 + O2

4.

Which organisms perform cellular respiration?

a)

only autotrophs

b)

autotrophs and heterotrophs

c)

only heterotrophs

d)

only producers

5.

Which of the following is NOT needed for photosynthesis?

a)

Carbon Dioxide

b)

Water

c)

Chlorophyll

d)

Oxygen

6.

Which form of energy is absorbed by green plants during photosynthesis?

a)

heat energy

b)

nuclear energy

c)

chemical energy

d)

light energy

7.

Which of the following would probably decrease in the earth’s atmosphere if an asteroid struck the earth, threw dust into the air, and blocked out some of the light from the sun for a period of months?

a)

Oxygen

b)

Carbon Dioxide

c)

Nitrogen

d)

Carbon

8.

The role of chlorophyll in photosynthesis is to

a)

absorb light energy.

b)

pass electrons to carotenoids.

c)

split water molecules.

d)

All of the above

9.

Photosynthesis is performed by which of these organelles?

a)

chloroplast

b)

chlorophyll

c)

cytoplasm

d)

mitochondria

10.

DNA is a single stranded helix.

a)

true

b)

False

11.

The DNA molecule contains thymine as a nitrogenous base.

a)

True

b)

False

12.

The enzyme(s) involved in replication is/are

a)

DNA helicase

b)

RNA polymerase

c)

DNA polymerase

d)

RNA helicase

13.

A nucleotide is made up of _____, _____, and _____. (Check all that apply)

a)

nucleic acid

b)

sugar

c)

phosphate

d)

nitrogenous base

14.

What bases pair up with each other on the DNA molecule?

a)

Adenine-Thymine

b)

Cytosine-Guanine

c)

Adenine-Uracil

d)

Adenine-Cytosine

15.

Select the answer that represents where mitosis occurs on the diagram.

a)

8

b)

6

c)

5

d)

7

16.

Which of the following bases are found on DNA?

a)

Guanine

b)

Uracil

c)

Cytosine

d)

Adenine

17.

What makes up the backbone (the sides of the "ladder") of DNA?

a)

Deoxyribose Sugar

b)

Phosphate

c)

Nitrogenous Base

d)

Ribose Sugar

18.

The function of DNA in organisms is (check all that apply)

a)

to pass genetic information to the next generation.

b)

to store energy.

c)

to fight infection.

d)

code for proteins.

19.

Where is DNA located in a Eukaryotic Cell?

a)

Nucleus

b)

Lysosome

c)

Ribosome

d)

Endoplasmic Reticulum

20.

What are the monomers that make up proteins?

a)

simple sugars

b)

nucleotides

c)

amino acids

d)

fatty acids

21.

How do plants obtain nitrogen?

a)

from decomposers

b)

absorb through the atmosphere

c)

from soil through roots

d)

through water

22.

How is oxygen released into the atmosphere?

a)

when we breathe

b)

via cellular respiration

c)

releases via photosynthesis

d)

via the phosphorus cycle

23.

Which of the following organisms is most likely to be located at the apex of pyramid of biomass?

a)

lion

b)

wolf

c)

bunny

d)

algae

24.

Water rises into the atmosphere in two ways :

a)

evaporation and transpiration

b)

evaporation and condensation

c)

condensation and precipitation

d)

precipitation and transpiration

25.

The grass would be referred as a

a)

producers

b)

primary consumers

c)

tertiary consumer

d)

secondary consumers

26.

The rodent is referred as

a)

producers

b)

tertiary consumers

c)

primary consumers

d)

secondary consumers

27.

The hawk would be referred as

a)

producers

b)

primary consumers

c)

secondary consumers

d)

tertiary consumers

28.

All the organic material in all the organisms will return to the environment by

a)

producers

b)

top carnivores

c)

decomposers

d)

primary consumers

29.

Eratosthenes discovered that the earth was round and not flat. He paid someone to measure the distance from Syene to Alexandria (800 km) and also used the angle of shadow made from a stick at 12 noon on June 21st (the longest day of the year). He used what to prove his idea?

a)

Data

b)

Hypothesis

c)

Theory

d)

Conclusion

30.

How many variables should be tested at the same time during an experiment? Hint: VOTAT

a)

1

b)

2

c)

3

d)

Doesn't matter

31.

An experiment for a new medication that will make students smarter was set up into two groups. Group 1 was given the new drug, while group 2 was given a sugar pill during the test. Group 2 serves as a ____________.

a)

control

b)

data

c)

manipulated variable

d)

dependent variable

32.

The use of your senses to understand the world around you?

a)

Inference

b)

hypothesis

c)

conclusion

d)

observation

33.

When the level of sugar in the blood is too high, excess sugar is stored in the muscle to be used later as needed. Which characteristic of life is described here?

a)

Maintain an internal balance

b)

Respond to environment.

c)

Use of energy

d)

Ability to evolve.

34.

Reduced leaves on cacti (the plural of cactus), allow for them to live in what kind of environment?

a)

ocean

b)

desert

c)

mountains

d)

tropical

35.

Water, H2O, (the stuff some of you ask me, “Can I drink water?” How would I know if you know how to drink water.)? would be categorized as?

a)

alive

b)

biotic

c)

dead(once alive)

d)

abiotic

e)

product of a living thing

36.

What elements are found in Proteins? (Look at your study guide - did you write it down?)

a)

CHO

b)

CHON

c)

CHONP

d)

YOU CHUMP

37.

What term best describes complex molecules composed of 100’s or more monosaccharides bonded together?

a)

MONOSACCHARIDE

b)

DISACCHARIDE

c)

OLIGOSACCHARIDE

d)

POLYSACCHARIDE

38.

Identify the molecule?

a)

SUCROSE

b)

CELLULOSE

c)

GLUCOSE

d)

LACTOSE

e)

LACTASE

39.

This is liquid at room temperature.

a)

protein

b)

saturated fat

c)

unsaturated fat

d)

carbohydrate

40.

What did Watson and Crick discover?

a)

The Structure of DNA

b)

DNA

c)

proteins

d)

lipids

41.

What is the name of the enzyme that breaks hydrogen bonds during DNA replication?

a)

DNA Polymerase

b)

ATP Synthase

c)

Helicase

d)

Lactase

42.

Identify the stage of mitosis this cell in.

a)

prophase

b)

metaphase

c)

anaphase

d)

telophase

e)

cytokinesis

43.

What type of sugar is in this DNA nucleotide (the structure with the ? mark)?

a)

ribose

b)

deoxyribose

c)

sucrose

d)

dextrose

e)

glucose

44.

What colors of the light spectrum does chlorophyll absorb the most?

a)

green

b)

green & yellow

c)

orange

d)

red, blue, violet

45.

What percentage of the earth is covered by water?

a)

25%

b)

75%

c)

99%

d)

60%

46.

Which is an omnivore?

a)

fox

b)

mouse

c)

hawk

d)

squirrel

47.

How many primary consumers are depicted in the picture?

a)

1

b)

2

c)

3

d)

4

e)

5

48.

Enzymes control the rate of chemical reactions (break down molecules) by?

a)

Raising the activation energy level

b)

Keeping the activation energy level the same

c)

lowering the activation energy level

d)

silly rabbit, enzymes don’t break down molecules

49.

Foods such as rice and potatoes contain large polysaccharide sugars called amylose. The enzyme that breaks it down is found in the saliva of your mouth. Isn’t that interesting? What do you think the name of that enzyme is called?

a)

sucrase

b)

lactase

c)

amylase

d)

galactokinase

e)

maltase

50.

What molecule goes on the first blank space with the letter “A” above?

a)

6 H2O

b)

6 O2

c)

O2

d)

sunlight