Nov Test

Question 0

What are the four characteristics common to all living things?

Answer 0

Organs
reproduce
develop
respond

Question 1

Name the organelles that can be found in both plant and animal cells

Answer 1

Cell membrane/ nucleus

Question 2

Give an example of a prokaryotic organism

Answer 2

Bacteria

Question 3

Who were the scientist who first used microscopes to see living cells?

Answer 3

Robert Hook

Anton Van Leeuwenhoek

Question 4

What is the smallest unit in the level of organization that can perform basic activities of life?

Answer 4

The cell - tissue - organ

Question 5

Name the in structures common to only plant cells

Answer 5

Central vacuole
Chloroplast
Cell wall

Question 6

List the three parts of the cell theory

Answer 6

Everything is made up of 1 or more cells. Cells carry out the functions needed to support life. Cells come only from other living cells

Question 7

Give the functions of following organelles

Answer 7

A- cytoplasm
B- cell membrane
C- chloroplast
D- mitochondrial
E- cell wall
F- vacuole
G- ribosome

Question 8

Light Microscope

Answer 8

• lenses are used to bend light and make objects appear bigger than they are
• can magnify objects up to 1000 times.
One important advantage of light • microscopes is that scientists can observe living cells with them.

Question 9

Electron microscope

Answer 9

There are two types. The scanning electron microscope (SEM) and the transmission electron microscope (TEM) can produce images of objects as small as 0.002 micrometers.
• The advantage of these microscopes is that they can magnify objects up to a million times.
The disadvantage is that they cannot be used to study living specimens.