Vocabulary Quiz #7 Practice

What does the term 'biotechnology' refer to?

• Study of microscopic organisms

• Technology that uses chemical processes

• Technology that uses living things to develop products

• Study of human diseases

Which of the following best defines 'pandemic'?

• Local spread of a disease

• Controlled disease outbreak

• Global spread of a disease

• Appearance of a new disease

What is the pH value considered neutral?

• 0

• 14

• 7

• 10

What organisms are classified as parasites?

• Bacteria and viruses

• Ticks, mosquitoes, and tapeworms

• Cats and dogs

• Plants and fungi

A(n) ______ is a substance with a pH from 0-6.

• Acid
• Alkaline
• Base
• Buffer

Which of the following is true for a solution with a pH of 8-14?

• It is acidic

• It is basic

• It is neutral

• It is a strong acid

Bacteria are 

• single celled, microscopic living organisms 

• Multicellular non-living organisms
• Unicellular eukaryotes
• Multicellular eukaryotes

Describe COHESION.

• Water molecules attracted to other substances.

• Water molecules climbing upwards against the force of gravity.

• Water molecules dissolving many substances because of its polarity.

• Water molecules attracted to other water molecules.

What is adhesion?

• Water's ability to stick to itself
• Water's ability to stick to other substances
• The strength of the cohesion of all the water molecules combined
• Tape, glue and other adhesives

Surface tension is the property of water in which...

• water molecules at the surface tend to stick together.

• water spills easily.

• water tends to be see-through.