Q: The presence of what stratospheric gas layer decreases the frequency of skin cancer and other damaging effects of ultraviolet radiation? A:
OPTIONS:
- plasma
- cumulonimbus
- smog
- ozone
ozone

Q: What term is used to describe a collection of molecules surrounded by a phospholipid bilayer that is capable of reproducing itself? A:
OPTIONS:
- atom
- proteins
- organism
- cell

Answer: cell

Question: Q: How does sap get to the tops of tall trees? A:
OPTIONS:
- through suction power
- via Coriolis forces
- through pressure from below
- through negative pressure
Answer: through negative pressure

input with options: Q: What is cytology. A:
OPTIONS:
- the study of cancers
- the study of atomic structure
- the study of plants
- the study of cell structure
output: the study of cell structure

Q: Q: What is essential for forming new genes? A:

OPTIONS:
- enough mutations
- enough chromosomes
- chromosome deversity
- large mutations

A: large mutations

Q: While the numerical aperture can be used to compare resolutions of various objectives, it does not indicate how far the lens could be from the what? A:
OPTIONS:
- microscope
- diameter
- focal point
- specimen
specimen