Quiz about 7th Life Science Final Exam

Question 1

A female cat has two recessive genes for long fur (ss) and a male cat has two dominant genes for short fur (SS). What is the likelihood the two cats produce a kitten with short fur?

Accepted Answer

100%

Answer

25%

Answer

50%

Answer

75%

Question 2

A simple change in DNA results in

Accepted Answer

a mutation.

Answer

cell death.

Answer

replication.

Answer

an adaptation.

Question 3

In this food chain, we would classify plants as _____________ and the animals as _______________.
Responses

Accepted Answer

producers; consumers

Answer

producers; decomposers

Answer

consumers; predators

Answer

consumers; decomposers

Question 4

This is a wetland food web. When the organisms you see here die, they become food for ____________, which help recycle matter back into the food web.

Accepted Answer

decomposers

Answer

consumers

Answer

parasites

Answer

producers

Question 5

Choose the correct term for the diagram

Accepted Answer

Punnett Square

Answer

Genotype

Answer

Phenotype

Answer

Diploid

Question 6

Which is a logical predator-prey relationship?

Accepted Answer

lion - gazelle

Answer

leech - human

Answer

rabbit - lettuce

Answer

dog - mountain lion

Question 7

What is the actual name for DNA?

Accepted Answer

deoxyribonucleic acid

Answer

deoxynucleic acid

Answer

denatured ribonucleic acid

Answer

deoxoribonuclear acid

Question 8

Adenine always pairs with what other base?

Accepted Answer

thymine

Answer

cytosine

Answer

guanine

Answer

ribose

Question 9

The sugar found in DNA is considered?

Accepted Answer

deoxyribose

Answer

equal

Answer

ribose

Answer

glucose

Question 10

What would be the code for the complimentary strand of DNA for GCAATCGATATTGAC

Accepted Answer

CGTTAGCTATAACTG

Answer

ATGGCTAGCGCCAGT

Answer

TACCGATCGCAACTA

Question 11

What are the inside steps of the DNA ladder made of?

Accepted Answer

base pairs

Answer

phosphates and hydrogen

Answer

glucose and sugars

Answer

sugars and phosphates

Question 12

In a strand of DNA that contains 40% of Thymine, how much Guanine would be present?

Accepted Answer

10%

Answer

30%

Answer

20%

Answer

80%

Question 13

What are the three components of a nucleotide?

Accepted Answer

sugar, phosphate, base

Answer

sugar, hydrogen, base

Answer

sugar oxygen, base

Answer

sugar, phosphate, protein

Question 14

When 2 alleles for a trait are different it is called ______________

Accepted Answer

heterozygous

Answer

homozygous

Answer

genotype

Answer

phenotype

Question 15

The combination of two alleles such as TT, Tt, tt are called___________

Accepted Answer

genotypes

Answer

homozygous

Answer

heterozygous

Answer

phenotypes

Question 16

What best describes the mammals, fish, birds and plants, as well as the sun, soil, air and water in an environment?

Accepted Answer

Ecosystem

Answer

Abiotic

Answer

Community

Answer

Biosphere

Question 17

Sharks are messy eaters that swim around with a small Remora fish attached to their undersides.  The Remora eats any food that the shark may drop.  The Remora does nothing for the shark.  This is an example of what kind of symbiotic relationship?

Accepted Answer

Commensalism

Answer

Mutualism

Answer

Parasitism

Answer

Competition

Question 18

A close relationship between two different species that benefits at least one of the species is called ....

Accepted Answer

symbiosis

Answer

natural selection

Answer

adaptation

Answer

competition

Question 19

Ticks feed on deer blood, causing irritation to the deer potentially giving it diseases such as Lyme Disease.  What type of symbiotic relationship is this?

Accepted Answer

Parasitism

Answer

Mutualistism

Answer

Commensalism

Answer

Competition

Question 20

Which table correctly identifies the relationships?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 21

Bacteria live in our intestines, eating the food there.  This same bacteria produce some critical nutrients that our bodies need.  What type of symbiotic relationship is this?

Accepted Answer

Mutualism

Answer

Parasitism

Answer

Commensalism

Answer

Competition

Question 22

Which of the following is not a part of the carbon cycle?

Accepted Answer

precipitation

Answer

respiration

Answer

decomposition

Answer

photosynthesis

Question 23

What is the water cycle?

Accepted Answer

the movement of water from the atmosphere to Earth and back

Answer

when water melts

Answer

the three forms of water

Answer

when clouds form

Question 24

What "fixes" nitrogen so plants can use it?

Accepted Answer

bacteria

Answer

respiration

Answer

plants get nitrogen from the air

Answer

photosynthesis

Question 25

Where do plants get nitrogen from?

Accepted Answer

the soil

Answer

the air

Answer

plants

Answer

animals

Question 26

Biotic factors can be defined as

Accepted Answer

the living parts of the environment

Answer

non-living parts of the environment

Answer

snakes and water

Answer

rocks and water

Question 27

How do animals get the nitrogen needed to build proteins?

Accepted Answer

consumption of plants

Answer

respiration

Answer

inhalation

Answer

combustion

Question 28

What is the break down of organic matter that releases carbon into the soil?

Accepted Answer

decomposition

Answer

diffusion

Answer

fossilization

Answer

photosynthesis

Question 29

Which of the following is not cycled through the atmosphere?

Accepted Answer

phosphorus

Answer

carbon

Answer

nitrogen

Answer

water

Question 30

The levels of organization in the environment, from the smallest to the largest level are:

Accepted Answer

Organism, population, community, ecosystem, biome, biosphere

Answer

Organism, biome, population, biosphere, ecosystem, community

Answer

Organism, population, biotic elements, abiotic elements, community

Answer

Organism, population, biosphere, abiotic elements, ecology, biome

Question 31

What part of the ecological level of organization is represented by #1 in the picture?

Accepted Answer

Organism

Answer

Community

Answer

Ecosystem

Answer

Population

Question 32

What is happening in the water cycle when precipitation collects in large bodies of water such as lakes and oceans?

Accepted Answer

Collection

Answer

Nitrification

Answer

Condensation

Answer

Infiltration

Question 33

The combination of two alleles that are the same is called____________.

Accepted Answer

homozygous

Answer

heterozygous

Answer

genotypes

Answer

phenotypes

Question 34

The way something physically looks is called___________

Accepted Answer

phenotype

Answer

homozygous

Answer

heterozygous

Answer

genotype

Question 35

An example of a genotype that is homozygous dominant for green eyes would be____

Accepted Answer

GG

Answer

Gg

Answer

gg

Answer

gG

Question 36

An example of a genotype that is heterozygous for green eyes would be____

Accepted Answer

Gg

Answer

GG

Answer

gg

Answer

GGG

Question 37

If the dominant gene for big ears is (B) and the recessive gene for small ears is (b) identify the phenotype for the genotype BB

Accepted Answer

big ears

Answer

small ears

Answer

either big or small

Question 38

What would you call the following genotype? BB

Accepted Answer

Homozygous dominant

Answer

Homozygous recessive

Answer

Heterozygous

Answer

Heterozygous dominant

Question 39

What would you call the following genotype? Bb

Accepted Answer

Heterozygous

Answer

Homozygous recessive

Answer

Homozygous dominant

Answer

Heterozygous dominant

Question 40

What would you call the following genotype? bb

Accepted Answer

Homozygous recessive

Answer

Heterozygous

Answer

Homozygous dominant

Answer

Heterozygous dominant

7th Life Science Final Exam

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