Semester 1 Final Biology 1

Question 1

The two main stages of cell division are called

Accepted Answer

mitosis and cytokinesis

Question 2

A scientist hypothesizes about how a virus affects humans. Other researchers would likely

Accepted Answer

design new experiments to test the hypothesis

Question 3

A substance that speeds up the rate of a chemical reaction is called

Accepted Answer

a catalyst

Question 4

Which of the following happens when a cell divides?

Accepted Answer

each daughter cell gets its own copy of parent cell DNA

Question 5

Which of the following organisms is a heterotroph?

Accepted Answer

mushroom

Question 6

Cellular respiration is called an aerobic process because it requires

Accepted Answer

oxygen

Question 7

Science is best described as a

Accepted Answer

way of knowing

Question 8

What are levels of organization in a multicellular organism, simplest level to most complex?

Accepted Answer

cell, tissue, organ, organ system

Question 9

The Calvin cycle is another name for the

Accepted Answer

light-independent reactions

Question 10

A personal preference or a point of view is

Accepted Answer

a bias

Question 11

Organisms that can't make their own food & must obtain energy from external sources are called

Accepted Answer

heterotrophs

Question 12

Which of the following organisms makes its own food using light energy from the sun?

Accepted Answer

oak

Question 13

Which of these processes takes place in the cytoplasm of a cell?

Accepted Answer

glycolysis

Question 14

Which organelle breaks down organelles that are no longer useful?

Accepted Answer

lysosome

Question 15

The three particles that make up atoms are

Accepted Answer

protons, neutrons, electrons

Question 16

If carbon dioxide is completely removed from a plant’s environment, what would happen?

Accepted Answer

No sugars will be produced

Question 17

Information gathered from observing a plant grow 3 cm over a two-week period is called

Accepted Answer

data

Question 18

Photosynthesis uses sunlight to convert water and carbon dioxide into

Accepted Answer

oxygen and high energy sugars

Question 19

Which structure stores materials, such as water, salts, proteins, and carbohydrates?

Accepted Answer

vacuole

Question 20

What happens during photosynthesis?

Accepted Answer

Autotrophs produce carbohydrates.

Question 21

Where are photosystems I and II found?

Accepted Answer

in the thylakoid membrane

Question 22

The air bubbles and spongy texture of bread are due to which process?

Accepted Answer

alcoholic fermentation

Question 23

An organ system is a group of organs that

Accepted Answer

work together to perform a specific function.

Question 24

What is a product of the Calvin cycle?

Accepted Answer

high energy sugars

Question 25

Cellular respiration releases energy by breaking down

Accepted Answer

food molecules

Question 26

Which is a substance formed by the chemical joining of 2 or more elements in definite amounts?

Accepted Answer

compound

Question 27

One sees a bee on a flower and wonders how it finds flowers. This displays the this attitude of

Accepted Answer

curiosity

Question 28

Would a scientist who studies evolution also have to learn about other branches of biology?

Accepted Answer

Yes, the different branches of biology are interrelated

Question 29

Looking at a cell under a microscope, you note that it is a prokaryote. How do you know?

Accepted Answer

The cell lacks a nucleus.

Question 30

Cell specialization allows cells to

Accepted Answer

perform different functions

Question 31

Which of the following is NOT a principle of the cell theory?

Accepted Answer

Very few cells are able to reproduce.

Question 32

A scientific hypothesis

Accepted Answer

can be tested by experiments or observations

Question 33

The Krebs cycle produces

Accepted Answer

carbon dioxide

Question 34

The stroma is the region outside the

Accepted Answer

thylakoids

Question 35

The cells of unicellular organisms are

Accepted Answer

able to carry out all functions necessary for life

Question 36

The energy needed to get a reaction started is the

Accepted Answer

activation energy

Question 37

Science differs from other disciplines, such as history and the arts, because science relies on

Accepted Answer

testing explanations

Question 38

Which of these processes would you expect to be key in the production of yogurt?

Accepted Answer

lactic acid fermentation

Question 39

Energy is released from ATP when

Accepted Answer

a phosphate group is removed

Question 40

During which phase of mitosis do the chromosomes line up along the middle of the dividing cell?

Accepted Answer

metaphase

Question 41

Which of the following is a function of the nucleus?

Accepted Answer

stores DNA

Question 42

Which ois one of the ways that cellular respiration and photosynthesis are opposite processes?

Accepted Answer

Photos. removes CO2 from air, cell resp puts it back.

Question 43

In eukaryotes, electron transport occurs in the

Accepted Answer

inner mitochondrial membrane

Question 44

Enzymes affect the reactions in living cells by changing the

Accepted Answer

speed of the reaction

Question 45

Which of the following enclose their DNA in a nucleus?

Accepted Answer

eukaryotes

Question 46

The two main types of fermentation are called

Accepted Answer

alcoholic and lactic acid

Question 47

A theory

Accepted Answer

may be revised and replaced

Question 48

All of the following are sources of energy for humans during exercise EXCEPT

Accepted Answer

alcoholic fermentation

Question 49

The products of photosynthesis are the

Accepted Answer

reactants of cellular respiration

Question 50

Which term describes the relatively constant internal physical conditions of an organism?

Accepted Answer

homeostasis

Question 51

How do scientific theories compare to hypotheses?

Accepted Answer

Theories unify a broad range of observations and hypotheses.

Question 52

When salt is dissolved in water, water is the

Accepted Answer

solvent

Question 53

Most plants appear green because chlorophyll

Accepted Answer

does not absorb green light

Question 54

The first phase of mitosis

Accepted Answer

prophase

Question 55

The work of scientists usually begins with

Accepted Answer

careful observations

Question 56

A covalent bond is formed as the result of

Accepted Answer

sharing electrons

Question 57

Plants gather energy with light-absorbing molecules called

Accepted Answer

pigments

Question 58

Which of the following best describes the relationship between the nucleus and the cytoplasm?

Accepted Answer

It is an organelle that is surrounded by the cytoplasm.

Question 59

Which means of particle transport requires input of energy from the cell?

Accepted Answer

active transport

Question 60

During a controlled experiment, a scientist isolates and tests

Accepted Answer

a single variable

Semester 1 Final Biology 1

Questions 60

Semester 1 Final Biology 1

Questions 60