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Biology DMA #2

Total questions: 90

Worksheet time: 59mins

Name
Class
Date
1.

What do you call the tiny cell structures inside a cell that carry out a specific function within the cell?

a)

Biomolecules

b)

Organelles

c)

Cells

d)

Atoms

2.

What do you call the eukaryotic cells that do not have a cell wall and are only surrounded by a cell membrane?

a)

Plant Cells

b)

Animal Cells

c)

Bacteria Cells

d)

Viral Cells

3.

Enzymes are biological catalysts. Which statement about enzymes is not correct?

a)

Enzymes are destroyed when they are used.

b)

Enzymes temporarily associate with a reactant.

c)

Enzymes are composed of chains of amino acids.

d)

Enzymes always have a specific shape.

4.

Which one of the kingdoms is not characterized by eukaryotic cells?

a)

Kingdom Fungi

b)

Kingdom Protist

c)

Kingdom Bacteria

d)

Kingdom Plantae

5.

A model of a DNA molecule is shown below.

The arrow indicates –

a)

the connection point for a codon and a DNA triplet

b)

the hydrogen bond between complementary nucleotides

c)

the link between two amino acids joined together

d)

the bond between adjacent phosphate and deoxyribose molecules

6.

Which statement describes how the function of lipids and carbohydrates are similar?

a)

Both contain peptide bonds and amino acids.

b)

Both speed up the rate of reactions.

c)

Both are used to store genetic material.

d)

Both provide the body with energy.

7.

Enzymes are proteins that help increase the rate of chemical reactions inside cells. These proteins are composed of many simpler molecules called amino acids. Which of the following suggests that the shape of an enzyme determines the enzyme’s function?

a)

Enzymes are specific to a substrate.

b)

Enzymes can be found in all life-forms.

c)

Enzymes are activated by neighboring molecules.

d)

Enzymes can operate in a wide range of conditions.

8.

Felicia observed that the lettuce plants in her garden had wilted after several days of drought. The next day, there was a downpour of rain, and the leaves began to swell. What cellular process caused this effect in the lettuce plants?

a)

Active transport

b)

Cellular respiration

c)

Osmosis

d)

Photosynthesis

9.

Carbohydrates are chains of what smaller organic molecule?

a)

Lipids

b)

Proteins

c)

Monosaccharides

d)

Disaccharide

10.

Cellulose is a ... and is found in ...

a)

Sugar...cell walls of plants

b)

Proteins...lipids

c)

Sugar...found in animal cells

d)

Disaccharide...Carbohydrates

11.

A protein catalyst is also called a(n) ... 

a)

lipid

b)

carbohydrate

c)

catalyst

d)

enzyme

12.

This phase includes the production of spindle and the disappearance of the nuclear membrane

a)

interphase

b)

anaphase

c)

telophase

d)

prophase

13.

#2 is

a)

long arm

b)

short arm

c)

centriole

d)

centromere

14.

If a cell has chlorophyll, what type of cell is it?

a)

Plant cell

b)

Animal cell

c)

Prokaryotic cell

15.

Which kingdoms are prokaryotic?

a)

Archaebacteria and Animalia

b)

Eubacteria and Archaebacteria

c)

Fungi and Protista

d)

Plantae and Eubacteria

16.
During osmosis
a)
water moves from high to low concentration
b)
large or oddly shaped molecules move across a cell membrane
c)
water moves when energy is used
d)
proteins are built
17.
Permeable means
a)
things can pass through
b)
the concentration levels are different
c)
it is permanent
d)
things are stuck
18.

If there is 5 percent water inside a cell and 5 percent water outside a cell

a)

more water will move inside the cell

b)

more water will move outside the cell

c)

There will be no movement of water

19.
When both inside and outside of a cell have the same amount of water it is said that the cell has reached a state of
a)
Osmosis
b)
Diffusion
c)
Equilibrium
20.
In a solution of water and salt, salt is considered the _______.
a)
solvent
b)
solute
c)
solution
21.
In a scenario, salt is placed into a bowl of water.  What is the solvent?
a)
salt
b)
water
c)
saltwater
22.
What does “high concentration area” mean?
a)
Spread out
b)
Tightly packed together
c)
Uncrowded
d)
Spacious
23.

 If the size (volume) of a cell increases when it is placed in a solution, that solution is __________.

a)
 hypertonic
b)
subatomic
c)
 isotonic
d)
 hypotonic 
24.

An animal cell placed in a hypertonic solution will

a)
Shrink
b)
Swell
c)
Stay the same
25.
The cell below is in a _________ solution.
a)
Hypotonic
b)
Hypertonic
c)
Isotonic
26.
The cell below is in a _____________ solution.
a)
Hypertonic
b)
Hypotonic
c)
Isotonic
27.
What type of transport is this?
a)
facilitated diffusion
b)
active transport
c)
diffusion
d)
osmosis
28.
The most important organelle in cell transport
a)
E.R.
b)
cytoplasm
c)
nucleus 
d)
cell membrane
29.
What are two types of passive transport?
a)
endo and exocytosis 
b)
cookies and milk
c)
active and passive 
d)
Osmosis and diffusion
30.
Special proteins help move particles, but NO energy is needed. This is..
a)
facilitated diffusion
b)
exocytosis
c)
active transport
d)
equilibrium
31.
What is NOT TRUE about the cell membrane
a)
It controls what enters and leaves the cell
b)
Semipermeable
c)
Phospholipid bilayer
d)
Contains digestive enzymes
32.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
33.
Most of the cell membrane is made of...
a)
Lipids
b)
Carbs
c)
Proteins
d)
Nucleic acids
34.
How many layers is the lipid bilayer?
a)
1
b)
2
c)
3
d)
4
35.
Which organelle from the plant cell is primarily responsible for converting sunlight to energy?
a)
Mitochonria
b)
Nucleus
c)
Vacuole
d)
Chloroplast
36.
What pigment absorbs sunlight for photosynthesis?
a)
chloroplast
b)
thylakoid
c)
grana
d)
chlorophyll
37.
Enzymes, hemoglobin and maltase are all considered to be which organic molecule?
a)
carbohydrates
b)
proteins
c)
nucleic acids
d)
lipids
38.
All carbohydrates end what letters?...
a)
tes
b)
glu
c)
ase
d)
ose
39.
Which main type of cell is large and complex with membrane bound organelles?
a)
prokaryote
b)
eukaryote
c)
plant
d)
animal
40.
This type of fermentation occurs in the presence of oxygen....
a)
aerobic respiration
b)
anaerobic respiration 
c)
fermentation
d)
lactic acid fermentation
41.
Which of the following biomolecules carries genetic information?
a)
Lipids
b)
Carbohydrates
c)
Nucleic Acids
d)
Proteins
42.
What happens in mitosis?
a)
cell divides
b)
DNA replicates
c)
cell multiplies
d)
cell grows
43.
A phospholipid has 2 parts. What are they called? 
a)
Hydrophilic Head, Hydrophobic Tail 
b)
Hydrophobic Head, Hydrophilic Tail 
44.
What is this image?
a)
a nucleus
b)
proteins
c)
cell membrane
d)
lipids
45.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
46.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
47.

A student observes a dark X-shaped structures in some onion root cells. Based on the observation, which process are these cells most likely performing?

a)

Meiosis

b)

Membrane Transport

c)

Mitosis

d)

Squirrel

48.
What part of the cell membrane is the arrow pointing to? 
a)
phospholipid
b)
carbohydrate chain 
c)
protein channel 
d)
amino acid 
49.
What structure in the cell contains most of the cells genetic information? 
a)
A. rough Endoplasmic Reticulum 
b)
B. mitochondria 
c)
C. nucleus 
d)
D. cytoplasm 
50.
What is the primary function of the cell's selectively permeable membrane? 
a)
Regulate energy production 
b)
Keeps the cell's shape
c)
Control what enters and leaves the cell
d)
Maintain a free flow of molecules
51.
Active transport does not require energy.
a)
True 
b)
False 
52.
Which 2 molecules forms the sides (backbone) of the DNA ladder?
a)
deoxyribose and adenine
b)
deoxyribose and a hydrogen bond
c)
sugar and the nucleus
d)
deoxyribose (sugar) and phosphate
53.

What does DNA stand for?

a)

Denatured Acid

b)

Dominant Acid

c)

Deoxyribonucleic Acid

d)

Diribonucleic Acid

54.

The following describes ________ during mitosis. The chromosomes line up along the center/middle of the cell and the spindle fibers attach to each chromosome at the centromere.

a)

prophase

b)

metaphase

c)

anaphase

d)

telophase

55.
The longest phase of the cell cycle 
a)
prophase
b)
interphase
c)
metaphase
d)
mitosis
56.
The process by which the nuclear material is divided equally between two new cells
a)
mitosis
b)
cancer
c)
spindle
d)
centromere
57.
This picture shows which process?
a)
mitosis
b)
meiosis
c)
the cell cycle
58.
Genetic variation can arise from a random change in the DNA of a gene.  The change is called a(n)
a)
mutation
b)
gene flow
c)
gene pool
d)
allele
59.

A ____ is a testable, possible answer to a problem or question.

a)

hypothesis

b)

constant

c)

variable

d)

experiment

60.

The ______ group in an experiment serves as the "baseline" for comparing other groups' or trials' data to it.
This group is typically not manipulated like the other groups/trials.

a)

control

b)

constant

c)

experimental

d)

variable

61.

In an experiment, the _____ variable (effect) responds to any manipulation of the _____ variable (cause).

a)

dependent, independent

b)

independent, dependent

c)

constant, control

d)

control, constant

62.

The scientific method begins with you _____ something.

a)

answering

b)

observing/noticing

c)

hypothesizing

d)

theorizing

63.

A ____ is any factor in an experiment that remains the same for both the control group and experimental group.

a)

constant

b)

control

c)

variable

64.

When living things maintain a stable internal environment, they are carrying out ____.

a)

homeostasis

b)

evolution

c)

growth

d)

metabolism

65.

The study of life.

a)

Biology

b)

Mycology

c)

Zoology

d)

Botany

66.

A testable hypothesis is most often tested by carrying out a/an ____.

a)

experiment

b)

theory

c)

observation

67.

The smallest living unit of life.

a)

cells

b)

atoms

c)

molecules

d)

organs

68.

What is biology?

a)

The study of life

b)

The study of bio

c)

The study of animals

d)

The study of cells

69.

Mutations create genetic diversity?

a)

True

b)

False

70.

Which of the following organelles do plants have that animals to not? (Select all that apply)

a)

Cell wall

b)

Golgi Apparatus

c)

Endoplasmic Reticulum

d)

Chloroplasts

e)

Ribosomes

71.

I store water in both plant and animal cells. What am I?

a)

Mitochondria

b)

Lysosome

c)

Vacuole

d)

Cytoplasm

72.

What type of cell is this?

a)

Plant

b)

Animal

c)

Prokaryote

73.

Has membrane bound organelles

a)

Prokaryote

b)

Eukaryote

c)

Both

74.
Which letter points to the cell wall? 
a)
E
b)
F
c)
G
d)
H
75.

All of the following are nucleic acids, except

a)

guanine

b)

adenine

c)

cytosine

d)

iodine

76.

When speaking of enymes, the substrate binds to what?

a)

key

b)

product site

c)

complex site

d)

active site

77.

During prophase, _____________ move to the opposite end of the cell and ______________ form extending to the middle of the cell.

a)

centrioles / chromosomes

b)

Centrioles / spindle fibers

c)

chromatids / spindle fibers

d)

cytoplasm / organelles

78.

________ is the division of cytoplasm into two individual cells

a)

Cytokineses

b)

Metaphase

c)

Anaphase

d)

Telophase

79.

Sister chromatids separate and become individual chromosomes during which phase

a)

telophase

b)

cytokinesis

c)

metaphase

d)

anaphase

80.

What is the purpose of a control group?

a)

dependent testing

b)

comparison

c)

independent testing

d)

back up, in case of errors

81.

What does your body use first for energy?

a)

proteins

b)

carbohydrates

c)

lipids

d)

nucleic acids

82.

Which is not a part of cell theory?

a)

all living things are composed of one or more cells

b)

cells are the basic units of structure and function in living things.

c)

all presently existing cells arose from previously existing cells.

d)

cells are free from mutations and harmful changes.

83.

This part of the cell membrane helps with the flexibility of the cell membrane.

a)

Phospholipid Bilayer

b)

Glycoproteins

c)

Transport Proteins

d)

Cholesterol

84.

This part of the cell membrane allows larger particles in and out.

a)

Phospholipid Bilayer

b)

Glycoproteins

c)

Transport Proteins

d)

Cholesterol

85.

This type of transport requires energy.

a)

Passive

b)

Active

c)

Diffusion

d)

Osmosis

86.

If an organism is found to have ribosomes, this organism ...

a)

could be prokaryotic or eukaryotic.

b)

is definitely prokaryotic.

c)

is definitely eukaryotic.

d)

is not living.

87.

If an organism has a biochemistry that is not like us, that organism must be ...

a)

archaea

b)

bacteria

c)

plantae

d)

animalia

88.

What is the definition of Homeostasis?

a)

The spreading of something more widely

b)

The state of relatively constant internal physical conditions

c)

It is used in cellular functions

d)

The process of plants converting the energy of sunlight into chemical energy

89.

What is the definition of passive transport diffusion?

a)

Solutes move from high concentration to low concentration

b)

A group of similar organisms that can breed and reproduce

c)

The state of relatively constant internal physical conditions

d)

A group of ecosystems that share climates and some organisms

90.

What is ATP?

a)

Adenosine Triphosphate

b)

A type of biome

c)

A type of animal that goes moo

d)

A type of special plant

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