Praxis 5005 (Science) Kathleen Jasper
Book Practice Tests Questions And
Answers |verified 100% correct|
A symbiotic relationship where both organisms benefit is called:
a. competition
b. predation
c. commensalism
d. mutualism - ANSWER -D
Proteins are made up of:
a. cells
b. bacteria
c. amino acids
d. mitochondria - ANSWER -C
Ms. Wheeler is explaining that humans have 46 chromosomes- 23 from mom and
23 from dad. She is most likely giving a lesson on:
a. mitosis
b. meiosis
c. evolution
d. metamorphosis - ANSWER -B
This human system is responsible for the flow of blood, nutrients, oxygen, and
other gases to and from cells:
a. circulatory
b. digestive
c. endocrine
d. nervous - ANSWER -A
Which of the following has an open circulatory system?
a. birds
b. chimpanzees
,c. clam
d. humans - ANSWER -C
Homeostasis refers to the mechanism of the body to maintain a stable internal
environment instead of changes taking place in the external environment. Which of
the following contributes to homeostasis?
a. sweating
b. DNA replication
c. mitosis
d. predation - ANSWER -A
Who was responsible for the classification of living organisms?
a. Gregor Mendel
b. Charles Darwin
c. Carl Linnaeus
d. Louis Pasteur - ANSWER -C
Which organ(s) filter the blood of toxins?
a. bladder
b. kidneys
c. small intestine
d. colon - ANSWER -B
These make up the middle or ladder part of the DNA and code for specific genes.
a. phosphates
b. amino acids
c. chromosomes
d. nitrogen bases - ANSWER -D
Which of the following is a benefit to sexual reproduction?
a. only one parent is needed
b. offspring are identical
c. the DNA replicates
d. It results in genetic variance - ANSWER -D
, Which of the following is the difference between plant cells and animal cells?
Choose all that apply.
a. Plant cells use oxygen and water to make food, while animal cells make ATP
from carbon dioxide and sugar
b. Plant cells use carbon dioxide, water, and sunlight to make their food, while
animal cells make ATP from glucose and oxygen
c. Animal cells go through photosynthesis, while plant cells go through cellular
respiration
d. Plant cells go through photosynthesis, while animal cells go through cellular
respiration - ANSWER -B & D
Which of the following is considered the least resistant to electricity and the best
conductor of electricity?
a. wood
b. copper
c. rubber
d. plastic - ANSWER -B
Which of the following is a chemical reaction? Check all that apply.
a. rust forming on a bike left out in the rain
b. plants goin through photosynthesis
c. water boiling on the stove
d. a pendulum swinging back and forth - ANSWER -A & B
During which of the following is condensation occurring?
a. water boiling on a stove
b. plants sucking water up through their roots
c. water droplets forming on the outside of the surface
d. a puddle disappearing on a hot day - ANSWER -C
Book Practice Tests Questions And
Answers |verified 100% correct|
A symbiotic relationship where both organisms benefit is called:
a. competition
b. predation
c. commensalism
d. mutualism - ANSWER -D
Proteins are made up of:
a. cells
b. bacteria
c. amino acids
d. mitochondria - ANSWER -C
Ms. Wheeler is explaining that humans have 46 chromosomes- 23 from mom and
23 from dad. She is most likely giving a lesson on:
a. mitosis
b. meiosis
c. evolution
d. metamorphosis - ANSWER -B
This human system is responsible for the flow of blood, nutrients, oxygen, and
other gases to and from cells:
a. circulatory
b. digestive
c. endocrine
d. nervous - ANSWER -A
Which of the following has an open circulatory system?
a. birds
b. chimpanzees
,c. clam
d. humans - ANSWER -C
Homeostasis refers to the mechanism of the body to maintain a stable internal
environment instead of changes taking place in the external environment. Which of
the following contributes to homeostasis?
a. sweating
b. DNA replication
c. mitosis
d. predation - ANSWER -A
Who was responsible for the classification of living organisms?
a. Gregor Mendel
b. Charles Darwin
c. Carl Linnaeus
d. Louis Pasteur - ANSWER -C
Which organ(s) filter the blood of toxins?
a. bladder
b. kidneys
c. small intestine
d. colon - ANSWER -B
These make up the middle or ladder part of the DNA and code for specific genes.
a. phosphates
b. amino acids
c. chromosomes
d. nitrogen bases - ANSWER -D
Which of the following is a benefit to sexual reproduction?
a. only one parent is needed
b. offspring are identical
c. the DNA replicates
d. It results in genetic variance - ANSWER -D
, Which of the following is the difference between plant cells and animal cells?
Choose all that apply.
a. Plant cells use oxygen and water to make food, while animal cells make ATP
from carbon dioxide and sugar
b. Plant cells use carbon dioxide, water, and sunlight to make their food, while
animal cells make ATP from glucose and oxygen
c. Animal cells go through photosynthesis, while plant cells go through cellular
respiration
d. Plant cells go through photosynthesis, while animal cells go through cellular
respiration - ANSWER -B & D
Which of the following is considered the least resistant to electricity and the best
conductor of electricity?
a. wood
b. copper
c. rubber
d. plastic - ANSWER -B
Which of the following is a chemical reaction? Check all that apply.
a. rust forming on a bike left out in the rain
b. plants goin through photosynthesis
c. water boiling on the stove
d. a pendulum swinging back and forth - ANSWER -A & B
During which of the following is condensation occurring?
a. water boiling on a stove
b. plants sucking water up through their roots
c. water droplets forming on the outside of the surface
d. a puddle disappearing on a hot day - ANSWER -C
