Biological Psychology MCQs

By: Prof. Dr. Fazal Rehman | Last updated: May 31, 2025

1. : The certain characteristics of the principle of natural selection propose that will become more prevalent in a species that:
(A) Increase the likelihood that an organism will completely reproduce
(B) Are associated with multiple genetic mutations
(C) Inhibit reproduction behaviors
(D) Impair adaptation to the local environment

2. : Genetic mutations are involved in:
(A) The accidental changing in the chromosomes of eggs and sperms
(B) Poor adaptation to the environment
(C) Increased reproductive success
(D) Both A and B

3. : Who was the first that linked the brain with emotions and thought?
(A) Descartes
(B) Hippocrates
(C) Aristotle
(D) Galen

4. : Which is the correct statement Descartes would have been most comfortable with?
(A) The universe is a mental construction
(B) The body is a hallucination produced by the mind
(C) The mind is not made up of matter
(D) Everything is made of matter

5. : The basal ganglia is responsible for?
(A) Movement
(B) Motion
(C) Force
(D) Memory

6. : The important function of the corpus callosum is to:
(A) Interconnect the cerebral hemispheres
(B) Movements of the mouth and neck
(C) Channel sensory information and relay centres
(D) Handle the outcome of neurohormones from the pituitary

7. : Normally, how many cells are present in a brain?
(A) 100 billion
(B) 10 lac
(C) 1 thousand
(D) 1 billion

8. : Which response is the cerebellum responsible for?
(A) Emotion
(B) Learning
(C) Coordination
(D) Memory system

9. : Positron emission tomography scans are calculated by?
(A) Electrical activity only
(B) Metabolic activity only
(C) Both types of activity
(D) Both A and B

10. : Who was the earliest case study?
(A) Mark Smith
(B) Phillip May
(C) HM
(D) Phineas Gage

11. : Suppose only one MZ twin of a human is diagnosed with a disorder, then we call it:
(A) Concordant
(B) Cordant
(C) Discordant
(D) Both A and C

12. : The function of antisense oligonucleotides is to:
(A) Block production of enzymes encoded by genes
(B) Block release of enzymes
(C) Block release of proteins
(D) Block release of enzymes and proteins

13. : The myelin sheath is made from:
(A) 80% Lipid and 20% Protein
(B) 40% Lipid and 60% Protein
(C) 100% Lipid
(D) 10% Lipid and 90% Protein

14. : Which is the fastest route of administering drugs?
(A) Intraperitoneal injection
(B) Intramuscular injection
(C) Intravenous injection
(D) Both A and B

15. : The prefrontal cortex is included in:
(A) Memory
(B) Force
(C) Emotion
(D) Executive functions

16. : Which plays an important function in positive reinforcement in drug addiction?
(A) The release of dopamine
(B) The production of proteins
(C) The production of enzymes
(D) The production of enzymes

17. : Cross tolerance is:
(A) No addiction to any drugs
(B) Exposure to one drug makes reason of tolerance to other drugs
(C) Both A and B
(D) None of the above

18. : Why do drug addicts commonly prefer heroin to morphine?
(A) It is a better drug
(B) The effects are different
(C) It has no effects
(D) The effects are more rapid

19. : Relapse of drugs is reasoned by activation of:
(A) Nigrostriatal dopamine pathway
(B) Mesocortical system
(C) Mesolimbic system
(D) Both A and C