EC-6 Science Verified Multiple Choice and
Conceptual Actual Emended Exam Questions
With Reviewed 100% Correct Detailed Answers
Guaranteed Pass!!Current Update!!
1. In which stage of life does a crawling caterpillar transform into a butterfly?
a. egg
b. adult
c. larva
d. pupa - ANSWER d. pupa
2. Territorial behavior in dogs in an example of which of the following interactions between
species?
a. mutualism
b. parasitism
c. competition
d. predation - ANSWER c. competition
3. Which of the following are appropriate lab safety standards? Select all that apply.
a. A 1-minute rinse at an eyewash station if a student gets a chemical in the eye.
b. A first aid kit should be kept in the classroom
c. student should wear safety goggles when working with a flame.
d. students should quickly clean up after a spill or accident. - ANSWER b. A first
aid kit should be kept in the classroom
c. student should wear safety goggles when working with a flame.
4. Which of the following stars has the highest temperature?
a. red dwarf
b. blue giant
c. red giant
, d. yellow dwarf - ANSWER b. blue giant
5. Which of the following is present in plant cells but not in animal cells?
a. cytoplasm
b. chloroplast
c. mitochondria
d. nucleus - ANSWER b. chloroplast
6. Heart disease is a major threat to human life in the US. Which of the following lifestyle
changes is the most likely to reduce the incidence of heart disease?
a. increasing the number of hours spent at work
b. increasing the amount of exercise
c. sleeping more than 9 hours a day
d. eating more red meat - ANSWER b. increasing the amount of exercise
7. Which of the following is not true about systems?
a. systems may contain unbalanced forces which cause natural phenomena
b. systems remain constant and unchanging
c. changed systems may take years to revert back to their previous state
d. systems may change abruptly or over many years - ANSWER b. systems
remain constant and unchanging
8. Which of the following is an example of a physical change?
a. toasting bread
b. browning ground beef
c. boiling water
d. roasting garlic - ANSWER c. boiling water
9. Which of the following is an abiotic factor in an ecosystem?
a. trees
b. fish
c. temperature
d. grass - ANSWER c. temperature
, 10. A teacher would like to assess students' understanding of the similarities and differences
between mitosis and meiosis. Which of the following would be the most effective way to
do this?
a. make a model of the cell and show students where the chromosomes are at each
stage of mitosis and meiosis
b. ask each student to create a pipe cleaner model of a different stage of cell
division
c. show a video about mitosis, followed by a video about meiosis, then ask students
to state the difference
d. have students partner up and create a venn diagram for mitosis and meiosis -
ANSWER d. have students partner up and create a venn diagram for mitosis
and meiosis
11. An elementary student drops a beaker in the lab. Which of the following describes the
best safety procedure for the teacher to follow when cleaning up the broken glass?
a. wear latex gloves to pick up the pieces
b. sweep up the shards and empty them into the trash can
c. use forceps to pick up the large pieces, a wet paper towel to pick up the small
pieces, and place all of the pieces in a glass disposal container
d. ask the students to help by picking up the shards and placing them in a glass
disposal container - ANSWER c. use forceps to pick up the large pieces, a wet
paper towel to pick up the small pieces, and place all of the pieces in a glass
disposal container
12. Consider a fastball pitches during a baseball game. As the ball travels through the air,
which of the following is true of its vertical motion?
a. the ball's speed is decreasing downward
b. the ball's potential energy is increasing
c. the ball's speed is increasing upward
d. the ball's speed is increasing downward - ANSWER d. the ball's speed is increasing
downward
, 13. Which of the following best explains how metamorphic rocks are formed?
a. weathered rock is eroded, deposited and cemented to form a new rock
b. rocks are changed by heat, with or without high pressure deep inside the earth
c. hot lava cools and hardens outside the earth
d. molten magma cools and hardens inside the earth - ANSWER b. rocks are changed by
heat, with or without high pressure deep inside the earth
14. Which organelle is responsible for generating large amounts of adenosine triphosphate
(ATP)?
a. ribosome
b. chloroplast
c. nucleus
d. mitochondria - ANSWER d. mitochondria
15. To help students learn the discovery nature of the scientific method, teachers should
provide opportunities for them to conduct experiments to practice the steps. Which of the
following is the best task for the teacher during this experimentation process?
a. walking around the room guiding students and answering questions
b. cleaning up after students
c. designing a new, better experiment for the students to conduct the next day
d. grading lab reports in order to give prompt feedback - ANSWER a. walking around the
room guiding students and answering questions
Which of the following is the furthest planet from the sun?
a. mercury
b. pluto
c. neptune
Conceptual Actual Emended Exam Questions
With Reviewed 100% Correct Detailed Answers
Guaranteed Pass!!Current Update!!
1. In which stage of life does a crawling caterpillar transform into a butterfly?
a. egg
b. adult
c. larva
d. pupa - ANSWER d. pupa
2. Territorial behavior in dogs in an example of which of the following interactions between
species?
a. mutualism
b. parasitism
c. competition
d. predation - ANSWER c. competition
3. Which of the following are appropriate lab safety standards? Select all that apply.
a. A 1-minute rinse at an eyewash station if a student gets a chemical in the eye.
b. A first aid kit should be kept in the classroom
c. student should wear safety goggles when working with a flame.
d. students should quickly clean up after a spill or accident. - ANSWER b. A first
aid kit should be kept in the classroom
c. student should wear safety goggles when working with a flame.
4. Which of the following stars has the highest temperature?
a. red dwarf
b. blue giant
c. red giant
, d. yellow dwarf - ANSWER b. blue giant
5. Which of the following is present in plant cells but not in animal cells?
a. cytoplasm
b. chloroplast
c. mitochondria
d. nucleus - ANSWER b. chloroplast
6. Heart disease is a major threat to human life in the US. Which of the following lifestyle
changes is the most likely to reduce the incidence of heart disease?
a. increasing the number of hours spent at work
b. increasing the amount of exercise
c. sleeping more than 9 hours a day
d. eating more red meat - ANSWER b. increasing the amount of exercise
7. Which of the following is not true about systems?
a. systems may contain unbalanced forces which cause natural phenomena
b. systems remain constant and unchanging
c. changed systems may take years to revert back to their previous state
d. systems may change abruptly or over many years - ANSWER b. systems
remain constant and unchanging
8. Which of the following is an example of a physical change?
a. toasting bread
b. browning ground beef
c. boiling water
d. roasting garlic - ANSWER c. boiling water
9. Which of the following is an abiotic factor in an ecosystem?
a. trees
b. fish
c. temperature
d. grass - ANSWER c. temperature
, 10. A teacher would like to assess students' understanding of the similarities and differences
between mitosis and meiosis. Which of the following would be the most effective way to
do this?
a. make a model of the cell and show students where the chromosomes are at each
stage of mitosis and meiosis
b. ask each student to create a pipe cleaner model of a different stage of cell
division
c. show a video about mitosis, followed by a video about meiosis, then ask students
to state the difference
d. have students partner up and create a venn diagram for mitosis and meiosis -
ANSWER d. have students partner up and create a venn diagram for mitosis
and meiosis
11. An elementary student drops a beaker in the lab. Which of the following describes the
best safety procedure for the teacher to follow when cleaning up the broken glass?
a. wear latex gloves to pick up the pieces
b. sweep up the shards and empty them into the trash can
c. use forceps to pick up the large pieces, a wet paper towel to pick up the small
pieces, and place all of the pieces in a glass disposal container
d. ask the students to help by picking up the shards and placing them in a glass
disposal container - ANSWER c. use forceps to pick up the large pieces, a wet
paper towel to pick up the small pieces, and place all of the pieces in a glass
disposal container
12. Consider a fastball pitches during a baseball game. As the ball travels through the air,
which of the following is true of its vertical motion?
a. the ball's speed is decreasing downward
b. the ball's potential energy is increasing
c. the ball's speed is increasing upward
d. the ball's speed is increasing downward - ANSWER d. the ball's speed is increasing
downward
, 13. Which of the following best explains how metamorphic rocks are formed?
a. weathered rock is eroded, deposited and cemented to form a new rock
b. rocks are changed by heat, with or without high pressure deep inside the earth
c. hot lava cools and hardens outside the earth
d. molten magma cools and hardens inside the earth - ANSWER b. rocks are changed by
heat, with or without high pressure deep inside the earth
14. Which organelle is responsible for generating large amounts of adenosine triphosphate
(ATP)?
a. ribosome
b. chloroplast
c. nucleus
d. mitochondria - ANSWER d. mitochondria
15. To help students learn the discovery nature of the scientific method, teachers should
provide opportunities for them to conduct experiments to practice the steps. Which of the
following is the best task for the teacher during this experimentation process?
a. walking around the room guiding students and answering questions
b. cleaning up after students
c. designing a new, better experiment for the students to conduct the next day
d. grading lab reports in order to give prompt feedback - ANSWER a. walking around the
room guiding students and answering questions
Which of the following is the furthest planet from the sun?
a. mercury
b. pluto
c. neptune
