1
E&E EXAM 1 QUESTIONS WITH SOLVED CORRECTLY
ANSWERS/NEWEST UPDATE/GRADE A+ ASSURED
A Scientific Hypothesis is always ______________.
a. proven
b. subjective
c. based on experimentation
d. testable - (ANSWER)d. testable
Which of the following shows the three "levels of scientific certainty" arranged
from lowest level of certainty too highest level of certainty?
a. Law > Hypothesis > Theory
b. Theory > Hypothesis > Law
c. Hypothesis > Theory > Law
d. Theory > Law > Hypothesis - (ANSWER)c. Hypothesis > Theory > Law
Which of the following is an abiotic component of the environment?
a. people.
b. fungi.
c. water.
d. animals.
e. bacteria. - (ANSWER)c. water.
,2
A substance that cannot be broken down into simpler forms by ordinary chemical
reactions is called a/ an:
a. ion
b. covalent
c. element
d. cell
e. none of the above - (ANSWER)c. element
What is the second law of thermodynamics?:
a. energy can only be used to decrease rather than increase an object's
temperature.
b. with each successive energy transfer or transformation, less energy is available
to do work.
c. movement can only occur down-hill.
d. a law enacted by congress in 2007.
e. energy can never be destroyed. - (ANSWER)b. with each successive energy
transfer or transformation, less energy is available to do work.
When chemical bonds are broken energy is ___________ and when chemical
bonds are newly formed energy is _____________:
a. released/ used.
b. used/ released.
c. destroyed/ created. - (ANSWER)b. used/ released.
, 3
The primary ecological role of bacteria and fungi in an ecosystem is that of
a. primary producers
b. tertiary consumers
c. decomposers and recyclers
d. carnivores
e. autotrophs - (ANSWER)c. decomposers and recyclers
The primary ecological role of plant and marine algae in a community is that of
a. consumers
b. tertiary consumers
c. decomposers and recyclers
d. carnivores
e. primary producers - (ANSWER)e. primary producers
Which of the following represents a food chain?:
а. algae-›fish-›insect-›frog->human
b. algae-›human->insect->frog-›fish
c. human-›fish->insect-›frog ›algae
d. algae-›insect-›frog-›fish-›human
e. fish- ›frog-›insect-›algae-›human - (ANSWER)d. algae-›insect-›frog-›fish-
›human
E&E EXAM 1 QUESTIONS WITH SOLVED CORRECTLY
ANSWERS/NEWEST UPDATE/GRADE A+ ASSURED
A Scientific Hypothesis is always ______________.
a. proven
b. subjective
c. based on experimentation
d. testable - (ANSWER)d. testable
Which of the following shows the three "levels of scientific certainty" arranged
from lowest level of certainty too highest level of certainty?
a. Law > Hypothesis > Theory
b. Theory > Hypothesis > Law
c. Hypothesis > Theory > Law
d. Theory > Law > Hypothesis - (ANSWER)c. Hypothesis > Theory > Law
Which of the following is an abiotic component of the environment?
a. people.
b. fungi.
c. water.
d. animals.
e. bacteria. - (ANSWER)c. water.
,2
A substance that cannot be broken down into simpler forms by ordinary chemical
reactions is called a/ an:
a. ion
b. covalent
c. element
d. cell
e. none of the above - (ANSWER)c. element
What is the second law of thermodynamics?:
a. energy can only be used to decrease rather than increase an object's
temperature.
b. with each successive energy transfer or transformation, less energy is available
to do work.
c. movement can only occur down-hill.
d. a law enacted by congress in 2007.
e. energy can never be destroyed. - (ANSWER)b. with each successive energy
transfer or transformation, less energy is available to do work.
When chemical bonds are broken energy is ___________ and when chemical
bonds are newly formed energy is _____________:
a. released/ used.
b. used/ released.
c. destroyed/ created. - (ANSWER)b. used/ released.
, 3
The primary ecological role of bacteria and fungi in an ecosystem is that of
a. primary producers
b. tertiary consumers
c. decomposers and recyclers
d. carnivores
e. autotrophs - (ANSWER)c. decomposers and recyclers
The primary ecological role of plant and marine algae in a community is that of
a. consumers
b. tertiary consumers
c. decomposers and recyclers
d. carnivores
e. primary producers - (ANSWER)e. primary producers
Which of the following represents a food chain?:
а. algae-›fish-›insect-›frog->human
b. algae-›human->insect->frog-›fish
c. human-›fish->insect-›frog ›algae
d. algae-›insect-›frog-›fish-›human
e. fish- ›frog-›insect-›algae-›human - (ANSWER)d. algae-›insect-›frog-›fish-
›human
