Bio 30 - Ch.2

The study of an organism in its natural environment is called?

• ecosystem observation

• tissue culture

• field study

• laboratory study

SEM is a type of microscope which would be great for observing which of the following?

• small animals

• nucleus

• cell membrane

• interior organelles

A proper scientific experiment has 2 groups. What is the name of the group that gets the changed variable that is being studied?

• experimental

• control

• hypothetical

• reference

An experiment which tests the effect of plant fertilizer on growth, by measuring the change in height of the groups, would involve which type of observation?

• qualitative

• quantitative

• both a and b

• neither a or b

Which of the following scientists was not involved in the development of the cell theory?

• Virchow

• Schwann

• Schleiden

• Darwin

Cells that do not have a nucleus, such as bacteria, are called?

• non-karyotic

• eukaryotic

• akaryotic

• prokaryotic

Based upon the cell theory, all cells come from what?

• non-living things

• pre-existing cells

• spontaneous generation

• random collection of molecules

The organelle which makes energy for the cell is called?

• nucleus

• vacuole

• mitochondria

• cytoplasm

What is the magnification of the eyepiece on the microscope by itself?

• 10x

• 4x

• 40x

• 20x

What is the total magnification of our light microscopes on medium power?

• 200x

• 400x

• 100x

• 40x