Midterm Study Guide Practice Q's

Question 1

Which is least inclusive?
1. Population
2. Community
3. Ecosystem
4. Organism

Answer 1

4. Organism

Question 2

Which is most inclusive?
1. Population
2. Community
3. Ecosystem
4. Organism

Answer 2

3. Ecosystm

Question 3

Which is most inclusive?
1. Organism
2. Cell
3. Atom
4. Molecule

Answer 3

1. Organism

Question 4

What is the smallest unit of life?
1. Cell
2. Atom
3. Molecule
4. Tissue

Answer 4

1. Cell

Question 5

What does NOT have a nucleus?
1. Eukaryotic Cells
2. Prokaryotic Cell

Answer 5

2. Prokaryotic Cell

Question 6

What does NOT have a nucleus?
1. Plants
2. Animals
3. Archaea
4. Fungi

Answer 6

3. Archaea

Question 7

Which is not a characteristic of living things?
1. Reproduction
2. Homeostasis
3. Multicellular
4. Require energy

Answer 7

3. Multicellular

Question 8

Sweating when we get hot to regulate our temp is an example of:
1. Reproduction
2. Homeostasis
3. Multicellular
4. Require energy

Answer 8

2. Homeostasis

Question 9

This type of data allows scientists to minimize potential for bias:
1. Qualitative
2. Quantitative

Answer 9

2. Quantitative

Question 10

Out pets (cats, dogs, etc.) are under what domain?
1. Archaebacteria
2. Protists
3. Fungi
4. Eukarya

Answer 10

4. Eukarya

Question 11

The variable that scientists measure:
1. Dependent
2. Independent
3. Controlled

Answer 11

1. Dependent

Question 12

Scientist studies how light color affects plant growth. What is independent variable?
1. Mass of plant
2. Height of plant
3. Amount of water plant receives
4. Color of light plant is grown under

Answer 12

4. Color of light plants is grown under

Question 13

Scientist studies how a certain drug works on a disease. What is the control group?
1. Individuals given the drug
2. Individuals given a placebo
3. Individuals with the disease
4. Individuals without the disease

Answer 13

2. Individuals given a placebo
3. Individuals with the disease

Question 14

Importance of control group:
1. Ensures that the independent variable is the only variable contributing to results
2. To serve as a baseline/comparison for the experimental group.

Answer 14

2. To serve as a baseline/comparison for the experimental group.

Question 15

Smallest unit of matter:
1. Cell
2. Atom
3. Organism
4. Molecule

Answer 15

2. Atom

Question 16

Smallest unit of life:
1. Cell
2. Atom
3. Organism
4. Molecule

Answer 16

1. Cell

Question 17

Which is true?
1. Molecules come together to make up atoms
2. Tissues come together to form cells
3. The ecosystem is the most inclusive level of organization
4. Atoms are the least inclusive level of organization.

Answer 17

4. Atoms are the least inclusive level of organization

Question 18

Chlorine has 7 electrons in its outer shell. What does chlorine do to become stable?
1. Loses 7 electrons
2. Adds an electron to outer shell
3. Shares 2 electrons with another atom
4. Adds 1 proton to its nucleus
5. Removes 1 proton from its nucleus

Answer 18

2. Add an electron to outer shell.

Question 19

Which is true regarding saturated fats?
1. They tend to be liquids at room temperature
2. They have at least one double bond
3. They tend to be solids at room temperature
4. They are mainly derived from plants.

Answer 19

3. They tend to be solids at room temperature

Question 20

When building a complex sugar, such as glycogen, the monosaccharides need to be attached via covalent bonds. What process builds these bonds?
1. Hydrolysis reaction
2. Ionic bonding
3. Covalent bonding
4. Condensation reaction

Answer 20

4. Condensation reaction

Question 21

The monomer of a protein:
1. Amino Acid
2. Nucleic Acid
3. Nucleotide
4. Monosaccharide
5. Glucose

Answer 21

1. Amino Acid

Question 22

Which is true?
1. The type of nucleotide is determined by the R group.
2. A chain of amino acids is called a polynucleotide.
3. Steroids are lipids that make up the cell membrane.
4. The fatty acid tails of phospholipids are nonpolar and hydrophobic.

Answer 22

4. The fatty acid tails of phospholipids are nonpolar and hydrophobic.

Question 23

A protein is nonfunctional and needs to be degraded. There is no lysosome. Where does the protein accumulate?
1. Nucleus
2. Golgi Apparatus
3. Rough ER
4. Smooth ER
5. Cytoplasm

Answer 23

2. Golgi Apparatus

Question 24

A scientist finds a sample of cells. Under the microscope he finds no nuclei. What type of cells could be present?
1. Plant and Fungi
2. Fungi and Bacteria
3. Bacteria and Eukaryotic cells
4. Bacteria and Archaea
5. Plants and Bacteria

Answer 24

4. Bacteria and Archaea

Question 25

Present in both prokaryotic cells and eukaryotic cells:
1. DNA and Mitochondria
2. DNA and Ribosomes
3. Mitochondria and Cell Membrane
4. Ribosomes and Rough ER

Answer 25

2. DNA and Ribosomes

Question 26

Nitrogen gains an electron. It is now:
1. An isotope
2. Stable
3. An ion
4. Positively Charged

Answer 26

3. An ion

Question 27

Which statement is true:
1. Water contains polar covalent bonds.
2. Water contains polar ionic bonds
3. The oxygen in water transfers an electron to the hydrogen.
4. Hydrogen bonds exist between oxygens of neighboring water molecules.

Answer 27

1. Water contains polar covalent bonds.

Question 28

What our blood sugar drops, we break down this complex sugar:
1. Insulin
2. Glycogen
3. Starch
4. Cellulose
5. Glucose

Answer 28

2. Glycogen

Question 29

An animal cell contains 2M of salt. What would happen to the cell if it were placed in distilled water?
1. It would expand and maybe burst.
2. It would shrink.
3. It would remain unchanged.

Answer 29

1. It would expand and maybe burst.

Question 30

What organelle is responsible for producing cellular energy?
1. Nucleus
2. Ribosome
3. Rough ER
4. Mitochondria
5. Golgi

Answer 30

4. Mitochondria

Question 31

Energy is required for this type of transport.
1. Active
2. Passive
3. Facilitated
4. Endocytosis

Answer 31

1. Active
2. Endocytosis

Question 32

This type of transport involved solutes moving down their gradient:
1. Active
2. Passive
3. Facilitated
4. Endocytosis

Answer 32

2. Passive

Question 33

This organelle is only found in plant cells and helps produce carbohydrates.

Answer 33

1. Cell Wall
2. Chloroplast

Question 34

Which statement about enzymes is false?
1. They are unchanged in reactions
2. They speed up chemical reactions.
3. They lower the activation energy of reactions.
4. One enzyme can work on multiple different substrates.

Answer 34

4. One enzyme can work on multiple different substrates.

Question 35

Which is not true about nuclei?
1. Only found in eukaryotic cells, not prokaryotic cells.
2. They house DNA.
3. They protect genetic material
4. They determine which protein are produced by ribosomes.

Answer 35

4. They determine which proteins are produced by ribosomes.

Question 36

A scientist is studying a specific species of fish living in a gulf. What is she studying?
1. Population
2. Ecosystem
e. Community
d. Organism

Answer 36

1. Population

Question 37

The part of the cell membrane that repels charged/polar articles.

Answer 37

Hydrophobic fatty acid tails.

Question 38

Which pH would have the most H+ ions?
1. 3
2. 2
3. 5
4. 8
5. 7

Answer 38

b. 2

Question 39

Removing one of these will change into an entirely different element.
1. Electron
2. Neutron
3. Proton
4. Valence Shell

Answer 39

3. Proton

Question 40

Isotopes have different numbers of:
1. Protons
2. Neutrons
3. electrons
4. Valence Shells
5. Energy levels

Answer 40

2. Neutrons

Question 41

Can pass through the cell membrane passively:
1. Only small & nonpolar particles.
2. Only large & polar particles
3. Anything going against its gradient.
4. Anything going down its gradient.

Answer 41

3. Anything going against its gradient.

Question 42

Unique part of an amino acid:
1. Carbon backbone
2. R group
3. Nitrogenous base
4. Fatty acid tail

Answer 42

2. R group