Biology Basics Quiz

Question 1

The basic structural unit of DNA is:

Accepted Answer

Nucleotide

Question 2

Which is NOT a major macromolecule?

Accepted Answer

Minerals

Question 3

The interaction between an enzyme and its substrate is often described as:

Accepted Answer

Lock and key

Question 4

Enzyme and substrate interaction is like:

Accepted Answer

Lock and key

Question 5

Correct equation for photosynthesis?

Accepted Answer

6CO2 + 6H2O

Question 6

Which macromolecule uses Benedict's solution?

Accepted Answer

Simple sugars

Question 7

Which is a freshwater biome?

Accepted Answer

Lake

Question 8

Enzyme optimum refers to:

Accepted Answer

Ideal conditions

Question 9

Total magnification with 10x and 40x lenses?

Accepted Answer

400x

Question 10

Which domain contains bacteria?

Accepted Answer

Bacteria

Question 11

In a predator-prey experiment, the prey coloration is the:

Accepted Answer

Independent variable

Question 12

The plant's growth is the:

Accepted Answer

Dependent variable

Question 13

Which is NOT required for evolution by natural selection?

Accepted Answer

Equal fitness among all individuals

Question 14

What caused the leaf discs to float in the experiment?

Accepted Answer

Production of oxygen bubbles during photosynthesis

Question 15

Which sense is most useful in complete darkness?

Accepted Answer

Hearing

Question 16

Organisms that make their own food are:

Accepted Answer

Autotrophs

Question 17

In a light experiment, the amount of light is the:

Accepted Answer

Independent variable

Question 18

Which animal likely has the most acute sense of smell?

Accepted Answer

Dogs

Question 19

In gel electrophoresis, DNA fragments move based on:

Accepted Answer

Their size (smaller fragments move faster)

Question 20

Which phylum includes animals with radial symmetry?

Accepted Answer

Cnidaria

Question 21

Primary function of chlorophyll?

Accepted Answer

Absorb light energy

Question 22

Which is the first step of the scientific method?

Accepted Answer

Observation

Question 23

Antibiotic resistance is a concern because:

Accepted Answer

It can lead to infections that cannot be treated effectively

Question 24

How many calories in 1 gram of fat?

Accepted Answer

9 calories

Question 25

True or false: Fungi are decomposers that recycle nutrients.

Accepted Answer

True

Question 26

What is the ecological importance of fungi?

Accepted Answer

They are decomposers that recycle nutrients

Question 27

Which is NOT a feature of eukaryotic cells?

Accepted Answer

Lack of cell wall

Question 28

What is a catalyst?

Accepted Answer

Speeds up reactions

Question 29

What must always be included on a graph?

Accepted Answer

Title and axes labels

Question 30

Which is a characteristic of monocot plants?

Accepted Answer

Parallel leaf venation

Question 31

A hypothesis is a:

Accepted Answer

Testable explanation

Question 32

Which characteristic unites all animals?

Accepted Answer

They are all multicellular heterotrophs

Question 33

Which is an example of qualitative data?

Accepted Answer

Leaf turned yellow

Question 34

Which DNA segment is the heaviest?

Accepted Answer

E

Question 35

Which prefix means 1/1000 of a unit?

Accepted Answer

Mill-

Biology Basics Quiz

Questions 35

Biology Basics Quiz

Questions 35