IB Psychology Biological Approach Quiz

In genetic terms, what does the term 'heritability' refer to?

• The likelihood of inheriting a specific gene from one's parents

• The proportion of variation in a trait among individuals that can be attributed to genes

• The study of how genes mutate over time

• The physical expression of genes in an individual

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Which hormone is most commonly associated with the body's response to stress?

• Oxytocin

• Adrenaline

• Cortisol

• Insulin

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What is neuroplasticity?

• The brain's ability to form new neural connections throughout life

• The hardening of neural pathways as one ages

• The brain's resistance to physical injuries

• The replacement of old neurons with new ones

What ethical consideration is paramount when conducting research with animals in psychology?

• Ensuring the animal achieves fame

• Maximizing the scientific benefit derived from the research

• Ensuring the animal's welfare and minimizing suffering

• Guaranteeing that animals are of a certain age

The 'twin study' method is commonly used in psychology to determine:

• The effectiveness of therapy

• The influence of genetics vs. environment

• Personality traits of twins

• The development of language

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Which of the following best describes the role of hormones in human behavior?

• Hormones have no impact on behavior

• Hormones only affect physical development

• Hormones can influence emotions, behavior, and physiological processes

• Hormones solely regulate sleep patterns

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An example of neuroplasticity can be seen in people who:

• Lose a limb and experience phantom limb sensations

• Have a fixed mindset about their abilities

• Do not exercise regularly

• Are left-handed

When considering animal ethics in research, which of the following is a primary concern?

• Cost of maintaining the animals

• Time taken for the experiment

• Ensuring results will benefit human psychological understanding

• Making sure the experiment can be repeated

What does the term 'epigenetics' refer to in genetic studies?

• The study of how genes mutate over time

• The physical expression of genes in an individual

• The likelihood of inheriting a specific gene from one's parents

• The study of changes in organisms caused by modification of gene expression rather than alteration of the genetic code itself

What is the role of the hormone 'Serotonin' in human behavior?

• Serotonin is responsible for regulating sleep patterns

• Serotonin is responsible for regulating mood and social behavior

• Serotonin is responsible for regulating appetite and digestion

• All of the above