Question 1

Which of the following best describes the relationship between genotype and phenotype?

Accepted Answer

Phenotype results from the interaction of genotype and environment.

Question 2

Which process is responsible for the creation of gametes and results in cells with half the number of chromosomes?

Accepted Answer

Meiosis

Question 3

A psychologist is studying the effects of trauma on the grandchildren of Holocaust survivors. Which concept best explains how trauma can affect subsequent generations without altering the DNA sequence?

Accepted Answer

Epigenetics

Question 4

Which of the following is TRUE regarding monozygotic twins?

Accepted Answer

They are genetically identical and originate from a single zygote.

Question 5

Which of the following best illustrates the principle of gene-environment interaction?

Accepted Answer

A person with a genetic predisposition for high intelligence achieves more in a stimulating environment.

Question 6

Which of the following is a function of the frontal lobe?

Accepted Answer

Personality characteristics and decision-making

Question 7

Which neurotransmitter is most closely associated with the regulation of mood and is often targeted by antidepressant medications?

Accepted Answer

Serotonin

Question 8

What is the main difference between the central nervous system (CNS) and the peripheral nervous system (PNS)?

Accepted Answer

The CNS consists of the brain and spinal cord, while the PNS consists of nerves outside the CNS.

Question 9

Which process describes the chemical modification of DNA that can silence gene expression and may be retained as cells divide?

Accepted Answer

Methylation

Question 10

A researcher uses CRISPR technology to alter a gene associated with a genetic disorder. What is the primary ethical concern with this technology?

Accepted Answer

It may lead to unintended genetic changes that can be inherited.

Question 11

Which of the following best describes the function of neurotransmitters?

Accepted Answer

They are chemical messengers that enable communication between neurons.

Question 12

Which lobe of the brain is primarily responsible for processing visual information?

Accepted Answer

Occipital lobe

Question 13

Which of the following is an example of neuroplasticity?

Accepted Answer

The brain forming new connections after a stroke.

Question 14

Which structure in the neuron is primarily responsible for receiving incoming signals from other neurons?

Accepted Answer

Dendrite

Question 15

Which of the following best describes the role of the endocrine system in human behavior?

Accepted Answer

It secretes hormones that regulate bodily functions and maintain homeostasis.

Question 16

A psychologist compares the intelligence scores of adopted children to those of their biological and adoptive parents. What is the primary goal of this research design?

Accepted Answer

To separate the influence of genetics and environment on intelligence.

Question 17

Which of the following is TRUE about the process of action potential in neurons?

Accepted Answer

The neuron cannot fire again immediately after an action potential.

Question 18

Which brain region is most closely associated with understanding spoken language?

Accepted Answer

Wernicke’s area

Question 19

Which of the following best describes the concept of behavioral genomics?

Accepted Answer

The study of how genetic variations influence behavior, personality traits, and mental health.

Question 20

Which of the following is a correct statement about dominant and recessive alleles?

Accepted Answer

Dominant alleles are always expressed, even if only one is present.

Biological Psychology: Genetics, Neuroscience, and Behaviour

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