HESI A2 ENTRANCE EXAM BIOLOGY

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HESI A2 ENTRANCE EXAM BIOLOGY

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -40 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: Which of the following activities does NOT lead to cellular energy production?A)Glycolysis.B)Gluconeogenesis.C)Oxidative Phosphorylation.D)Cellular Respiration.

Answer:

B)Gluconeogenesis.Question 2: Using garden peas, which of the following scientists discovered the basic principles of genetics?A)Galileo.B)Mendel.C)Curie.D)Hawking.

Answer:

B)Mendel.Question 3: The alternative versions of a single gene are known as: A)traits.B)characteristics.

C)RNA.

D)alleles.

Answer:

D)alleles.

Question 4: What is the function of the stomach?

A)Absorption of nutrients B)Digestion of Nutrients C)Digestion and Absorption of nutrients D)None of the above.

Answer:

B)Digestion of Nutrients Question 5: The traits which an organism shows (as opposed to what its genes code for), is known by which of the following terms?A)Phenotype.B)Genotype.C)Stereotype.D)Classification.

Answer:

A)Phenotype Question 6: Which of the following descriptions relates to water's property of cohesion?A)Water beading together on top of a freshly waxed car.B)An ocean stabilizing the temperature of a region.C)Water dissolving salt to become salt water.D)A bottle of water cracking when left in the freezer.

Answer:

A)Water beading together on top of a freshly waxed car.Question 7: An organism that has a genotype of two dominant alleles for one gene is: A)Heterozygous.B)Homozygous.C)Multiparous.D)Nulliparous

Answer:

B)Homozygous.

Question 8: Which of the following is an example of a cell created by meiosis?

A)Kidney cell.B)Sperm cell.C)Brain cell.D)Skin cell.

Answer:

B)Sperm cell Question 9: In DNA, adenosine will only bond with which of the following base pairs?A)Adenosine.B)Thymine.C)Guanine.D)Uracil.

Answer:

B)Thymine.Question 10: The method by which mRNA is created is begun by which of the following processes?A)Replication.B)Translation.C)Splitting.D)Transcription.

Answer:

D)Transcription.Question 11: Cells with a high rate of protein synthesis generally have a large number of which of the following cellular structures?A)Mitochondria.B)Ribosomes.C)Lysosomes.D)Golgi apparati.

Answer:

B)Ribosomes.Question 12: What device makes it possible to predict the genotype and phenotype of the offspring of sexual reproduction?A)Punnett square.B)Chi square.

C)PCR.

D)Microscope.

Answer:

A)Punnett square.

Question 13: What is the largest type of biological molecule?

A)Lipid.B)Protein.C)Carbohydrate.D)Steroid.

Answer:

B)Protein.Question 14: Which of the following is the MOST inclusive in the hierarchic system of organization?A)Kingdom.B)Class.C)Genus.D)Species.

Answer:

A)Kingdom Question 15: A scientist conducts an experiment to discover the effect of music on plant growth. He hypothesizes that the music will help plants grow at a faster rate than plants without music. By the end of the experiment, plants grown with music playing grew to an average height of 5.6 inches, while plants grown without music playing grew to an average height of 2.3 inches.Which of the following is the scientist's correct conclusion?A)All plants grow better with music.B)In the experiment, plants grown with music grew better than those grown without it.C)In the experiment, plants grown without music grew better than those grown without it.D)All plants grow better without music.

Answer:

B)In the experiment, plants grown with music grew better than those grown without it.Question 16: What is the difference between saturated and unsaturated fatty acids?A)Saturated fatty acids contain double bonds, unlike unsaturated fatty acids.B)Saturated fatty acids contain no double bonds, unlike unsaturated fatty acids.C)Saturated fatty acids often contain two or more pairs of double bonds, unlike unsaturated fatty acids.D)There is no difference between saturated and unsaturated fatty acids.

Answer:

B)Saturated fatty acids contain no double bonds, unlike unsaturated fatty acids.