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Biology STAAR Review

Total questions: 50

Worksheet time: 22mins

Name
Class
Date
1.

This model represents what kind of cell?

a)

Eukaryotic

b)

Prokaryotic

c)

Protozoal

d)

Fungal

2.

Amino acids are the monomer of which of the following macromolecules?

a)

Carbohydrates

b)

Lipids

c)

Nucleic acids

d)

Proteins

3.

Which of the following elements is NOT common to all macromolecules?

a)

Oxygen

b)

Carbon

c)

Hydrogen

d)

Nitrogen

4.

Movement of particles from high to low concentration is....

a)

Passive Transport

b)

Active Transport

5.

Identify the stage of mitosis.

a)

Anaphase

b)

Cytokinesis

c)

Telophase

d)

Metaphase

6.

In meiosis, ___ ______ cells are produced.

a)

4 identical

b)

4 nonidentical

c)

2 identical

d)

2 nonidentical

7.

What do viruses have in common with living cells? They both...

a)

store genetic information

b)

have chloroplasts

c)

use glucose for cellular respiration

d)

have endoplasmic reticulum

8.

Which viral life cycle kills its host cell by lysing (rupturing)?

a)

lytic

b)

mitosis

c)

lysogenic

d)

meiosis

9.

How would the DNA sequence GCATTC be transcribed to mRNA?

a)

GCTAAG

b)

GCATTC

c)

CGUAAG

10.

Which of the following is homozygous recessive?

a)

AA

b)

Aa

c)

aa

11.

Scientists can determine relatedness among organisms by comparing partial amino acid sequences. The table shows four partial amino acid sequences from four organisms.


Which organism is the LEAST related to the other three organisms?

a)

Organism 1

b)

Organism 2

c)

Organism 3

d)

Organism 4

12.

The image shows part of the humerus bone in different genera of primates.

These structures are...

a)

Analogous

b)

Homologous

c)

Vestigial

13.

The diagram shows light- and dark-colored beetles that live on a tree.

Most likely, over time...

a)

the number of light-colored beetles in the population will increase.

b)

There will be more dark-colored beetles than light-colored beetles.

c)

The number of light-colored beetles will decrease.

14.

In ALL cells, proteins are synthesized (created) by which organelle?

a)

Golgi body

b)

Mitoichondrion

c)

Chromosomes

d)

Ribosomes

15.

Identify the process in the image.

a)

Simple diffusion

b)

Osmosis

c)

Active transport

d)

Facilitated diffusion

16.

In DNA replication, the process is called "semiconservative" because 2 strands are produced, they are...

a)

both completely new

b)

both half new and half old

c)

one completely new and one completely old

17.

The entire set of genes in an organism is known as it's....

a)

DNA sequence

b)

Genotype

c)

Genome

d)

Phenotype

18.

Diffusion is a passive process because it requires NO ENERGY (ATP). What type of diffusion is shown in this diagram?

a)

Osmotic Diffusion

b)

Simple Diffusion

c)

Facilitated Diffusion

19.

Which process is represented by letter A?

a)

Photosynthesis

b)

Cellular respiration

c)

Transpiration

20.

What model of a biological process is shown?

a)

Mitosis

b)

Transcription

c)

DNA Replication

d)

Translation

21.

In DNA, adenine bonds with...

a)

Uracil

b)

Thymine

c)

Guanine

d)

Cytosine

22.

All of the following are functions of proteins EXCEPT—

a)

Store and transmit genetic information

b)

Build tissues such as bone and muscle

c)

Control the rate of reactions and regulate cell processes

d)

Help fight disease

23.

Which of these occurs just before the cell enters the G2 stage of the cell cycle?

a)

the nuclear membrane disintegrates

b)

Centrioles form

c)

the nucleolus divides

d)

DNA replicates

24.

According to the graphs, the enzyme works best at what pH and temp?

a)

Temp above 50 degrees C & pH above 12

b)

Temp and pH have no effect on the action of this enzyme

c)

Temp of 50 degrees C and a pH of 10

d)

Temp of 35 degrees C and a pH of 8

25.

If 15% of a DNA sample is made up of thymine (T), what percentage of the sample is made up of adenine (A)?

a)

15%

b)

30%

c)

70%

d)

85%

26.

Identify the monomer.

a)

Amino acid

b)

Nucleotide

c)

Monosaccharide

d)

Fatty acid

27.
Which structures are found in every living cell?
a)
cell membrane and cytoplasm
b)
chloroplasts and mitochondria
c)
a cell wall and nucleus
d)
chloroplasts and cell wall
28.

What is this an example of?

a)

Homologous structure

b)

Analogous structure

c)

Vestigial organs

d)

Functional adaption

29.
measure of an organisms's ability to survive and produce offspring relative to other members of a population 
a)
Natural Selection
b)
Adaptation
c)
Fitness
d)
Variation
30.

All populations living together in a given area is known as a(n)...

a)

ecosystem

b)

community

c)

biodiversity

d)

population

31.

Organism that consume other organisms for food...

a)

heterotroph

b)

autotroph

c)

producer

d)

detritivore

32.
All the organisms in a particular location, including their nonliving environment
a)
ecosystem
b)
carnivore
c)
niche
d)
population
33.

In the food web shown, if the snake was removed from the ecosystem the grasshopper population would increase due to less predation from mice and birds.

a)

True

b)

False

34.
In the energy pyramid here, how much of the energy in the producers gets passed to the herbivores?
a)
10%
b)
20%
c)
80%
d)
90%
35.
Nitrogen fixation processes nitrogen from which of the following sources?
a)
lightning
b)
fertilizers
c)
dead plants
d)
atmosphere
36.

Which is an example of a mutualistic relationship?

a)

a bee pollinates a flower

b)

a tapeworm takes nutrients from a dog

c)

an orchid lives in a tree but does not harm the tree

37.

In which type of relationship does one species benefit and the other is neither helped nor harmed?

a)

parasitism

b)

mutualism

c)

commensalism

38.
The nonliving aspects of an ecosystem.
a)
Abiotic factors
b)
Biotic factors
39.
An offspring will receive how many alleles from each parent to determine a specific trait?
a)

one

b)

two

c)

three

d)

five

40.
Which of the following is a phenotype?
a)

Bb

b)

Homozygote

c)

alleles

d)

Blue eyes

41.

Having two of the same genes for the trait is known as...

a)

homozygous

b)

heterozygous

42.

In Snapdragons, crossing a white flower with a red flower produces offspring with pink flowers. Which of the following represents this pattern of inheritance?

a)

Simple inheritance

b)

Codominance

c)

Incomplete dominance

d)

Mendelian inheritance

43.
One form of a gene is called_______________
a)

DNA

b)

phenotype

c)

trait

d)

allele

44.

If green is dominant over purple, then which of the following would the possible genotype(s) of a purple individual?

a)

gg

b)

Gg

c)

GG

d)

Gg and gg

45.
In pea plants, the tall allele is dominant to the short allele. What key would demonstrate this?
a)

Tall = T Short = S

b)

Tall = T Short = t

c)

Tall = t Short = T

46.

What is the genotypic ratio of the offspring?

a)

3:1

b)

1:3

c)

1:2:1

d)

2:2

47.

What are the possible for this cross?

a)

TT = 25% Tt= 50% tt=25%

b)

100% TT

c)

TT= 75% tt = 25%

d)

Tt = 100%

48.

Identify the hypertonic solution.

a)

1st image (left)

b)

2nd image (middle)

c)

3rd image (right)

49.
Another term for equilibrium is...
a)

Equality

b)

Balance

c)

Homeostasis

50.
The picture is an example of...
a)
active tranport
b)
passive transport
c)
diffusion
d)
osmosis

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