General Biology Pre-Test

Question 1

What are the 4 nitrogenous bases that make up DNA?

Accepted Answer

A,T,G,C

Question 2

Which of the following help transport substances across a cell membrane?

Accepted Answer

carrier protien

Question 3

The process of change from which a new species develops from a preexisting organism is called

Accepted Answer

Evolution

Question 4

The likelihood that an event will occur at any given instance.

Accepted Answer

probability

Question 5

A phospholipid bilayer that covers the outside of the cell and acts as a barrier to substances

Accepted Answer

cell membrane

Question 6

Scientists use this method to determine the age of fossils.

Accepted Answer

carbon 14 dating

Question 7

The variety of organisms found in an area is called

Accepted Answer

Biodiversity

Question 8

Gregor Mendel is the father of_______.

Accepted Answer

Genetics

Question 9

DNA is composed of 2 strands called a_________.

Accepted Answer

Double Helix

Question 10

The living things in an environment

Accepted Answer

biotic

Question 11

A type of reproduction that does not require finding another mate to produce offspring.

Accepted Answer

asexual

Question 12

A branching diagram that shows how organisms are related through evolution.

Accepted Answer

phylogenic tree

Question 13

Organelles of a cell reside in the ________.

Accepted Answer

cytoplasm

Question 14

An alternate form of a gene is also known as an

Accepted Answer

allele

Question 15

A green pigment found in most plants and algae cells is called

Accepted Answer

chlorophyll

Question 16

Plants use this process to synthesize food from sunlight.

Accepted Answer

Photosynthesis

Questions 16