Question 1

What is the result of crossing over during meiosis?

Options :

A : Homologous pairs of chromosomes have exchanged segments of their DNA.

B : Non-sister chromatids of homologous pairs of chromosomes have formed a chiasmata.

C : Members of homologous pairs of chromosomes have lined up along the metaphase plate.

D : Homologous pairs of chromosomes have been randomly assorted along the metaphase plate.

Answer: A

Question 2

Reading ComprehensionPassage:Regular exercise helps maintain bone density and muscle strength. Weight-bearing activities such as walkingand resistance training are especially important in preventing osteoporosis as people age.Which activity mentioned in the passage helps prevent bone loss?

Options :

A : Stretching exercises

B : Swimming

C : Walking

D : Meditation

Answer: C

Question 3

Reading ComprehensionPassage:Clear documentation in healthcare settings ensures continuity of care. Accurate records allow providers tounderstand patient history and make informed decisions.Why is documentation important according to the passage?

Options :

A : It replaces direct patient care

B : It ensures continuity of care

C : It eliminates medical errors

D : It reduces provider workload

Answer: B

Question 4

The table below shows the average daily requirements of essential amino acids in the diet at various stages of human life.Which of these amino acids is required in the greatest amount in the diet of toddlers?

Options :

A : Lysine

B : Phenylalanine and tyrosine

C : Leucine

D : Valine

Answer: C

Question 5

Review the scatter plot of hours students studied for a test and their results.What can you conclude from the graph?

Options :

A : Test scores are higher when no hours are spent studying.

B : As hours studied increase, test scores tend to increase.

C : There is no relationship between hours studied and test scores.

D : As hours studied increase, test scores tend to decrease.

Answer: B

Online NEX Practice Test - Free Sample Exam Questions

Buying Options: