WorksheetsReview 1
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
What is biology?
a)
study of life
b)
study of minerals
c)
study of weather
d)
study of energy
2.
All organisms have DNA. What does DNA do?
a)
creates energy for cells
b)
allows sensitivity to environmental stimuli
c)
contains info for growth and development
d)
captures energy from the sun
3.
Instructions for traits that are passed from parents to offspring are known as
a)
a species plan
b)
genes
c)
organ codes
d)
natural selection
4.
What is homeostasis?
a)
a change over long period of time
b)
a stable internal environment
c)
rapid change
d)
evolution
5.
Living things...
a)
need energy
b)
can reproduce
c)
are composed of cells
d)
all of these!
6.
Without enzymes, chemical reactions in the body would...
a)
happen too fast
b)
occur at the same rate as they do with enxymes
c)
occur too slowly to support life
d)
require a different pH
7.
Metabolism is the sum of...
a)
DNA in a cell's nucleus
b)
organelles, cells, and tissues in an organism
c)
mechanisms to release water
d)
chemical reactions that transform energy/materials
8.
A scientists observed that a mosquito might pass a disease to humans. THis suggestion is a...
a)
conclusion
b)
hypothesis
c)
theory
d)
scientific "truth"
9.
Scientists usually design experiments...
a)
with a good idea of the expected experimental results
b)
based on wild guesses
c)
in order to develop new laboratory tools
d)
without independent variables
10.
All organic compounds contain the element
a)
carbon
b)
nitrogen
c)
calcium
d)
sodium
11.
Energy is released when...
a)
Carbon atoms in ATP are broken
b)
ADP gains a phosphate group
c)
ATP loses a phosphate group
d)
two ATP molecules are broken
12.
The smallest units of life in all living things are
a)
cells
cells
cells
b)
mitochondria
c)
cytoplasm
d)
golgi aparati
13.
The size to which a cell can grow is limited by the
a)
location of its nucleus
b)
structure of the cell wall
c)
surface area of the membrane
d)
function of the organelles
14.
One difference between prokaryotes and eukaryotes is that
a)
nucleic acids are found only in prokaryotes
b)
mitochondria are found in larger quantities in eukaryotes
c)
the golgi apparatus is found only in prokaryotes
d)
prokaryotes have no nuclear membrane
15.
only eukaryotic cells have
a)
DNA
b)
membrane-bound organelles
c)
ribosomes
d)
cytoplasm
16.
The cell membrane...
a)
encloses the contents of the cells
b)
allows materials to enter and leave the cell
c)
is selectively permeable
d)
all of these!
17.
The phospholipid bilayer is
a)
composed of poar heads and 2 part tails
b)
composed of polar heads that face inward
c)
arranged by densly packed fatty proteins
d)
arranged with golgi apparati in tangent for communication
18.
A cell that requires lots of energy is likely to contain large numbers of...
a)
chromosomes
b)
vacuoles
c)
mitochondria
d)
walls
19.
Which of the following organelles contain digestive enzymes?
a)
mitochondria
b)
endoplasmic reticulum
c)
golgi apparatus
d)
lysosome
20.
The boundary surrounding the nucleus is called the
a)
nucleolus
b)
nuclear wall
c)
nucleoplasm
d)
nuclear membrane
100 %
