HESI BIOLOGY EXAM QUESTIONS
AND ANSWERS
Which of these is not a part of the body's chemical defense system against infection?
- Answer- Agranulocyte
Which of these is considered an example of naturally acquired passive immunity? -
Answer- Breastfeeding
Worms lack which of these? - Answer- Eyes and Ears
Which organelle is responsible for generating ATP that is used for chemical energy?
- Answer- Mitochondria
Which of these statements is true with regard to eukaryotic and prokaryotic cells? -
Answer- Eukaryotic cells have mitochondria
Positive feedback is a mechanism used by the body that results in amplification or
enhancement of a signal that has already been activated. An example of this would
be __________. - Answer- The release of oxytocin to increase contractions during
childbirth
When placed in a hypotonic solution, what will a cell do? - Answer- Swell
Which is not an effect of photo-oxidation? - Answer- Increase in tinsile strength
The movement of substance across a cell membrane from low to high concentration
is known as __________ - Answer- Active transport
During which stage of mitosis does the single cell split into two separate daughter
cells? - Answer- Telophase
Which of these is not an example of an ecosystem? - Answer- Ozone
Decomposition occurs fastest in which type of environment? - Answer- Moist;
oxygenated
In a bird or a bee, the crop is responsible for __________? - Answer- Storing food
prior to digestion
One partner benefitting while the other is harmed is what form of symbiotic
relationship? - Answer- Parasitism
The stigma of a flower that serves what purpose? - Answer- To collect pollen
Mycology is defined as the study of __________ - Answer- Fungi
AND ANSWERS
Which of these is not a part of the body's chemical defense system against infection?
- Answer- Agranulocyte
Which of these is considered an example of naturally acquired passive immunity? -
Answer- Breastfeeding
Worms lack which of these? - Answer- Eyes and Ears
Which organelle is responsible for generating ATP that is used for chemical energy?
- Answer- Mitochondria
Which of these statements is true with regard to eukaryotic and prokaryotic cells? -
Answer- Eukaryotic cells have mitochondria
Positive feedback is a mechanism used by the body that results in amplification or
enhancement of a signal that has already been activated. An example of this would
be __________. - Answer- The release of oxytocin to increase contractions during
childbirth
When placed in a hypotonic solution, what will a cell do? - Answer- Swell
Which is not an effect of photo-oxidation? - Answer- Increase in tinsile strength
The movement of substance across a cell membrane from low to high concentration
is known as __________ - Answer- Active transport
During which stage of mitosis does the single cell split into two separate daughter
cells? - Answer- Telophase
Which of these is not an example of an ecosystem? - Answer- Ozone
Decomposition occurs fastest in which type of environment? - Answer- Moist;
oxygenated
In a bird or a bee, the crop is responsible for __________? - Answer- Storing food
prior to digestion
One partner benefitting while the other is harmed is what form of symbiotic
relationship? - Answer- Parasitism
The stigma of a flower that serves what purpose? - Answer- To collect pollen
Mycology is defined as the study of __________ - Answer- Fungi
