Quiz about Biology Basics Quiz

Question 1

What are living things made of?

Accepted Answer

Cells

Answer

Atoms

Answer

Molecules

Answer

Tissues

Question 2

What is the universal genetic code based on?

Accepted Answer

DNA

Answer

Proteins

Answer

Lipids

Answer

Carbohydrates

Question 3

What do enzymes do to the energy needed to start a reaction?

Accepted Answer

Lower it

Answer

Increase it

Answer

Eliminate it

Answer

Maintain it

Question 4

Which macromolecule is important in muscle contraction and transporting oxygen in the blood?

Accepted Answer

Proteins

Answer

Carbohydrates

Answer

Lipids

Answer

Nucleic acids

Question 5

What is the function of mitochondria in the cell?

Accepted Answer

Energy production

Answer

Photosynthesis

Answer

Protein synthesis

Answer

Lipid modification

Question 6

What is the function of the cell membrane?

Accepted Answer

Protect the cell

Answer

Control cell division

Answer

Store genetic information

Answer

Produce energy

Question 7

What type of transport does not require energy?

Accepted Answer

Diffusion

Answer

Active transport

Answer

Endocytosis

Answer

Exocytosis

Question 8

What is the diffusion of water called?

Accepted Answer

Osmosis

Answer

Active transport

Answer

Pinocytosis

Answer

Phagocytosis

Question 9

What is the source of energy for cellular activities?

Accepted Answer

ATP

Answer

Glucose

Answer

Oxygen

Answer

Carbon dioxide

Question 10

What is the green pigment used in photosynthesis?

Accepted Answer

Chlorophyll

Answer

Hemoglobin

Answer

Melanin

Answer

Keratin

Question 11

Where do light reactions occur in photosynthesis?

Accepted Answer

Thylakoid membranes

Answer

Stroma

Answer

Cytoplasm

Answer

Nucleus

Question 12

What is produced during aerobic respiration?

Accepted Answer

Carbon dioxide

Answer

Lactic acid

Answer

Ethanol

Answer

Oxygen

Question 13

What process occurs in the cytoplasm where sugar is split into pyruvic acid, producing a net gain of 2 ATP?

Accepted Answer

Glycolysis

Answer

Krebs Cycle

Answer

Electron Transport Chain

Answer

Photosynthesis

Question 14

Which scientist developed the binomial nomenclature system?

Accepted Answer

Carolus Linnaeus

Answer

Charles Darwin

Answer

Gregor Mendel

Answer

Louis Pasteur

Question 15

What is the correct order of levels of classification in biology?

Accepted Answer

Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species

Answer

Kingdom, Phylum, Class, Order, Family, Genus, Species

Answer

Domain, Kingdom, Class, Order, Family, Genus, Species

Answer

Kingdom, Domain, Phylum, Class, Order, Family, Genus, Species

Question 16

Which kingdom includes eukaryotes that are mostly unicellular and can be autotrophs or heterotrophs?

Accepted Answer

Protista

Answer

Plantae

Answer

Animalia

Answer

Fungi

Question 17

In DNA, which base pairs with adenine?

Accepted Answer

Thymine

Answer

Cytosine

Answer

Guanine

Answer

Uracil

Question 18

What is the process called where DNA makes a copy of itself?

Accepted Answer

Replication

Answer

Transcription

Answer

Translation

Answer

Mutation

Question 19

Which type of RNA carries the message from the nucleus to the ribosomes?

Accepted Answer

mRNA

Answer

rRNA

Answer

tRNA

Answer

sRNA

Question 20

What is the three-base sequence on mRNA that codes for a specific amino acid called?

Accepted Answer

Codon

Answer

Anticodon

Answer

Nucleotide

Answer

Triplet

Question 21

What is the term for alternate forms of a gene?

Accepted Answer

Allele

Answer

Chromosome

Answer

Genotype

Answer

Phenotype

Question 22

What is a monohybrid cross?

Accepted Answer

A cross showing one trait

Answer

A cross showing two traits

Answer

A cross showing three traits

Answer

A cross showing four traits

Question 23

What is the purpose of a Punnett square?

Accepted Answer

To predict the results of a genetic cross

Answer

To measure the length of DNA

Answer

To identify the number of chromosomes

Answer

To determine the age of a cell

Question 24

What is the physical appearance of an organism called?

Accepted Answer

Phenotype

Answer

Genotype

Answer

Allele

Answer

Chromosome

Question 25

According to Mendel's Law of Dominance, what happens to the recessive allele?

Accepted Answer

It is prevented from being expressed

Answer

It is always expressed

Answer

It becomes dominant

Answer

It duplicates

Question 26

What is the division of the nucleus called?

Accepted Answer

Mitosis

Answer

Meiosis

Answer

Cytokinesis

Answer

Replication

Question 27

What is the process by which gametes are formed called?

Accepted Answer

Meiosis

Answer

Mitosis

Answer

Cytokinesis

Answer

Replication

Question 28

The original parent cell in meiosis was __________.

Accepted Answer

diploid

Answer

haploid

Answer

triploid

Answer

tetraploid

Question 29

The cells produced by meiosis are __________ and __________.

Accepted Answer

haploid, genetically varied

Answer

haploid, identical

Answer

diploid, identical

Answer

diploid, genetically varied

Question 30

How many divisions occur in meiosis?

Accepted Answer

Two

Answer

One

Answer

Three

Answer

Four

Question 31

During which phase of meiosis does crossing-over occur?

Accepted Answer

Prophase I

Answer

Metaphase I

Answer

Anaphase I

Answer

Telophase I

Question 32

What ensures genetic variation in meiosis?

Accepted Answer

Genetic recombination

Answer

DNA replication

Answer

Chromosome alignment

Answer

Cell division

Question 33

What is the term for all the living organisms in an ecosystem?

Accepted Answer

Biotic factors

Answer

Abiotic factors

Answer

Ecosystem factors

Answer

Environmental factors

Question 34

What is the term for a group of organisms of the same species?

Accepted Answer

Population

Answer

Individual

Answer

Community

Answer

Ecosystem

Question 35

What is the maximum number of individuals an environment can support called?

Accepted Answer

Carrying capacity

Answer

Population size

Answer

Growth limit

Answer

Environmental support

Question 36

What are density-dependent limiting factors?

Accepted Answer

Factors affected by the size of the population

Answer

Factors unaffected by the size of the population

Answer

Factors that increase population size

Answer

Factors that decrease population size

Question 37

What is the role of producers in an ecosystem?

Accepted Answer

Organisms that make their own food

Answer

Organisms that feed on dead matter

Answer

Organisms that must feed on other organisms

Answer

Organisms that decompose organic material

Question 38

What is primary succession?

Accepted Answer

Occurs in a community where life did not previously exist

Answer

Occurs when the dominant plant life is removed

Answer

The final, stable community

Answer

The movement of energy through an ecosystem

Question 39

What is a renewable resource?

Accepted Answer

A resource that can be replaced

Answer

A resource that cannot be replaced

Answer

A resource that is always available

Answer

A resource that is never used up

Question 40

What does a food chain show?

Accepted Answer

The movement of energy through an ecosystem

Answer

The amount of energy available at each level of the food chain

Answer

The many different food chains in an ecosystem

Answer

The complete disappearance of a species

Question 41

What is the main cause of pollution as mentioned in the document?

Accepted Answer

Contamination of soil, water, and air

Answer

Overpopulation

Answer

Deforestation

Answer

Global warming

Question 42

Which layer protects the Earth from harmful UV radiation?

Accepted Answer

Ozone layer

Answer

Troposphere

Answer

Stratosphere

Answer

Mesosphere

Question 43

What is phototropism?

Accepted Answer

Response to light

Answer

Response to gravity

Answer

Response to touch

Answer

Response to sound

Question 44

What do auxins do in plants?

Accepted Answer

Stimulate the elongation of cells

Answer

Inhibit growth

Answer

Promote flowering

Answer

Enhance photosynthesis

Question 45

What is an example of a behavioral adaptation?

Accepted Answer

Migration

Answer

Photosynthesis

Answer

Cell division

Answer

Respiration

Question 46

Who proposed the theory of inheritance of acquired traits?

Accepted Answer

Jean Baptiste Lamarck

Answer

Charles Darwin

Answer

Gregor Mendel

Answer

Alfred Wallace

Question 47

What did Charles Darwin observe on the Galapagos Islands?

Accepted Answer

Unique creatures like giant tortoises and finches

Answer

Polar bears and penguins

Answer

Tigers and elephants

Answer

Kangaroos and koalas

Question 48

What is convergent evolution?

Accepted Answer

Unrelated species develop similar adaptations

Answer

One species evolves into another

Answer

Species become extinct

Answer

Species migrate to new areas

Question 49

What is ecosystem diversity?

Accepted Answer

Variety of habitats, communities, and ecological processes

Answer

Number of species in an area

Answer

Genetic variation within a species

Answer

Number of ecosystems in a country

Question 50

What is species diversity?

Accepted Answer

The number of different species in the biosphere

Answer

The total number of genetic forms in living things

Answer

The concept of evolution over time

Answer

The resistance of organisms to antibiotics

Question 51

What does genetic diversity refer to?

Accepted Answer

The total number of different forms of genetic information found in all living things

Answer

The number of different species in the biosphere

Answer

The concept of evolution over time

Answer

The resistance of organisms to antibiotics

Question 52

What is the concept of evolution occurring over a long period with slow changes called?

Accepted Answer

Gradualism

Answer

Punctuated equilibrium

Answer

Genetic diversity

Answer

Biological resistance

Question 53

What is punctuated equilibrium?

Accepted Answer

Speciation occurring rapidly in short bursts with long periods of stability

Answer

Evolution occurring slowly over time

Answer

The number of different species in the biosphere

Answer

The resistance of organisms to antibiotics

Question 54

What is the purpose of radioisotope dating in the fossil record?

Accepted Answer

To use radioactive elements to determine how old something is

Answer

To determine the number of species in an area

Answer

To measure the resistance of bacteria to antibiotics

Answer

To identify genetic diversity in organisms

Question 55

How do organisms become resistant to harmful things?

Accepted Answer

Through the selection of members of the population that have a natural resistance

Answer

By increasing genetic diversity

Answer

By reducing species diversity

Answer

By using radioisotope dating

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