Ch 2, 7th Grade Question Preview (ID: 60130)


Cells. TEACHERS: click here for quick copy question ID numbers.

An instrument that makes small objects look larger
a) microscope
b) spectroscope
c) telescope
d)

Who said that all plants are made of cells?
a) Matthias Schleiden
b) Theodor Schwann
c) Rudolf Virchow
d) Robert Hooke

The condition of things appearing larger than they are
a) magnification
b) resolution
c) classification
d) focus

Compound microscopes have more than one lens.
a) true
b) false
c)
d)

By using compound microscopes, scientists can obtain pictures of objects that are too small to be seen with electron microscopes.
a) false
b) true
c)
d)

Made mostly of a strong material called cellulose, this helps protect and support the cell.
a) cell wall
b) cell membrane
c) nucleus
d) lysosome

RIbosomes are made in the
a) nucleolus
b) mitochondria
c) endoplasmic reticulum
d) Golgi apparatus

Lysosomes...
a) break down old cell parts
b) make energy from food
c) capture energy from sunlight
d) all of the above

To be specialized means to
a) do one kind of job
b) do all the jobs
c)
d)

A group of similar cells that work together to perform a specific function
a) tissue
b) cell
c) organ
d) organ system

When two or more elements combine chemically, they form a
a) compound
b) element
c) molecule
d) atom

Energy-rich organic compounds made of the elements carbon, hydrogen, and oxygen. They can be sugar or starch
a) carbohydrates
b) lipids
c) protein
d) nucleic acid

Cells store energy from ___ for later use.
a) lipids
b) carbohydrates
c) nucleic acids
d) proteins

A group of proteins that speed up chemical reactions that are necessary for life
a) enzymes
b) carbohydrates
c) exocytosis
d) fats

Contain the instructions that cells need to carry out all the functions of life
a) nucleic acids
b) proteins
c) lipids
d) carbohydrates

How much of the human body is water?
a) 2/3
b) 1/3
c) 3/4
d) 2/5

Cell membranes are made of
a) a double layer of lipids
b) a single layer of lipids
c) a double layer of proteins
d) a single layer of carbohydrates

Which type of transport requires energy?
a) endocytosis
b) diffusion
c) osmosis
d) facilitated diffusion

Which type of transport requires energy?
a) osmosis
b) exocytosis
c) endocytosis
d) plasmosis

In active transport, molecules move from areas of low concentration to areas of high concentration.
a) true
b) false
c)
d)

Play Games with the Questions above at ReviewGameZone.com
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 60130 in the upper right hand corner or click here.

TEACHERS / EDUCATORS
Log In
| Sign Up / Register