HESI A2 BIOLOGYV2 EXAM QUESTIONS

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HESI A2 BIOLOGYV2 EXAM QUESTIONS

Qs and Ans Expert- Explanation

This Exam contains:

-Guarantee passing score -25 Questions and Answers -format set of multiple-choice -Expert- Explanation

Question 1: What is the purpose of cellular respiration?

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• Enable fermentation

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• Produce enzymes

?

• Produce oxygen molecules

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• Obtain energy in the form of ATP

Answer:

Correct Answer:

• Obtain energy in the form of ATP

Question 2: Which term means alternate forms of a gene for the same trait?

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• Genotypes

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• Alleles

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• Gametes

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• Phenotypes

Answer:

Correct Answer:

• Alleles

Question 3: What structure allows sperm cells to move?

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• Centriole

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• Cilium

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• Centrosome

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• Flagellum

Answer:

Correct Answer:

• Flagellum

Question 4: On what part of a light microscope is the slide placed?

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• Stage

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• Arm

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• Lens

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• Base

Answer:

Correct Answer:

• Stage

Question 5: Each species has a characteristic chromosome number, and most of their cells have a complete set of these chromosomes. However, in the life cycle of humans, only sperm and eggs have which number of chromosomes??

• Diploid

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• Polyploid

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• Monoploid

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• Haploid

Answer:

Correct Answer:

• Haploid

Question 6: How are viruses categorized?

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• Size and shape

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• Presence or absence of an outer envelope

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• All of these are ways in which a virus is categorized

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• Type of nucleic acid

Answer:

Correct Answer:

• All of these are ways in which a virus is categorized

Question 7: What part of a light microscope is used to hold the slide in place?

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• Base

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• Arm

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• Rack stop

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• Stage clips

Answer:

Correct Answer:

• Stage clips

Question 8: Which combination of cell cycle phase and descriptor is correct?

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• S phase - the cell synthesizes DNA and doubles its cytoplasm

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• G? phase - the amount of chromosomes is doubled

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• G? phase - the phase prior to the start of mitosis in which the cell continues to grow in size

and make proteins ?

• Interphase - the cell increases in mass and number of organelles to prepare for cell division

Answer:

Correct Answer:

• G? phase - the phase prior to the start of mitosis in which the cell continues to grow in size

and make proteins Question 9: Which is an example of the correct organizational hierarchy for a wolf??

• Muscle tissue, blood cell, DNA, organ, circulatory system, wolf

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• DNA, blood cell, muscle tissue, heart, circulatory system, wolf

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• Circulatory system, DNA, muscle tissue, blood cell, heart, wolf

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• Blood cell, organ, circulatory system, muscle tissue, DNA, wolf

Answer:

Correct Answer:

• DNA, blood cell, muscle tissue, heart, circulatory system, wolf

Question 10: Aerobic respiration occurs in the presence of what necessary molecule??

• Oxygen

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• Lactic acid

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• Carbon dioxide

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• Water

Answer:

Correct Answer:

• Oxygen

Question 11: What type of bond in the base of the DNA nucleotides holds the strands together??

• Hydrogen

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• Sodium chloride

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• Copper

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• Potassium bromide

Answer:

Correct Answer:

• Hydrogen