Behavioural and Allied Sciences Online MCQ Set 4

QN01. Wave ______________ is to pitch as wave ______________ is to loudness.

  1. length, frequency
  2. peak, trough
  3. frequency, amplitude
  4. pressure, distinctiveness
Answer

(C)frequency, amplitude

QN02. Damage to your olfactory membrane would most likely impair your ability to

  1. smell
  2. feel pain
  3. hear
  4. see
Answer

(A)smell

QN03. When detecting colour, hue depends on ______________ while brightness depends on ______________

  1. height, length
  2. length, height
  3. intensity, consistency
  4. consistency, intensity
Answer

(B)length, height

QN04. That fact that you may notice a disgusting smell when you first walk into the room but stop noticing if you stay in the room for a while illustrates

  1. synaesthesia
  2. selective attention
  3. sensory attention
  4. sensory adaptation
Answer

(D)sensory adaptation

QN05. Where in the brain is the medial geniculate nucleus found:

  1. midbrain
  2. pons
  3. thalamus
  4. brainstem
Answer

(C)thalamus

QN06. Which of these are actively involved to see in darkness:

  1. cones
  2. rods
  3. hair cells
  4. cochlear nuclei
Answer

(B)rods

QN07. The auditory nerve first reaches ______________ before reaching inferior colliculus.

  1. superior colliculus
  2. medial geniculate nucleus
  3. ventral cochlear nucleus
  4. lateral geniculate nucleus
Answer

(B)medial geniculate nucleus

QN08. What is the precursor of steroid hormone:

  1. Protein
  2. Cholesterol
  3. Carbohydrate
  4. Lipid
Answer

(B)Cholesterol

QN09. All the following are true of posterior pituitary hormones except

  1. they include direct and tropic hormones
  2. they are released from the posterior pituitary
  3. nerve signal from the hypothalamus stimulates their release
  4. they include antidiuretic hormone and oxytocin
Answer

(A)they include direct and tropic hormones

QN10. Which of the following hormones would bind to receptors located on the inside of the cell:

  1. testosterone
  2. LH
  3. prolactin
  4. growth hormone
Answer

(A)testosterone

QN11. Which hormone increases the basal metabolic rate in the body:

  1. parathyroid hormone
  2. adrenal hormone
  3. thyroid hormone
  4. growth hormone
Answer

(C)thyroid hormone

QN12. Pituitary gland also known as master gland is under the control of

  1. pineal gland
  2. adrenal gland
  3. hypothalamus
  4. thyroid gland
Answer

(C)hypothalamus

QN13. Which of these is not an endocrine gland:

  1. Pancreas
  2. Testes
  3. Salivary gland
  4. Parathyroid
Answer

(C)Salivary gland

QN14. Which hormones of the adrenal glands supplement the sex hormones from the gonads:

  1. Mineralocorticoids, such as aldosterone
  2. Glucocorticoids, such as cortisol
  3. Gonadocorticoids, such as the androgens
  4. Epinephrine and norepinephrine
Answer

(C)Gonadocorticoids, such as the androgens

QN15. The overall number of cases in STI is

  1. rising
  2. falling
  3. about the same as it always has been
  4. none of the above
Answer

(A)rising

QN16. Which of these are other types of STIs:

  1. chancroid
  2. scabies
  3. Molluscum contagiosum
  4. all the above
Answer

(D)all the above

QN17. The feedback loop for production of sex hormone in men does not include

  1. hypothalamus
  2. pituitary gland
  3. oxytocin
  4. follicle stimulating hormone
Answer

(C)oxytocin

QN18. HIV attacks a certain kind of cell in the immune system. Which is it:

  1. red blood cells
  2. white blood cells or T cells
  3. platelets
  4. epithelial cells
Answer

(B)white blood cells or T cells

QN19. The first stage of the sexual response cycle is

  1. orgasm
  2. resolution
  3. excitement
  4. plateau
Answer

(C)excitement

QN20. Womens ability to have multiple orgasms is primarily due to

  1. the g-spot
  2. the response of the inner layers of the vagina
  3. having alternating orgasms in different locations
  4. the fact that they do not have a refractory period
Answer

(D)the fact that they do not have a refractory period

QN21. A part of neuron that conducts the action potential away from the cell body is

  1. myelin sheath
  2. synapse
  3. nodes of ranvier
  4. axon
Answer

(D)axon

QN22. ______________ cells are present only in PNS.

  1. schwann
  2. oligodendroglia
  3. microglia
  4. astrocytes
Answer

(A)schwann

QN23. Drugs that inhibit a neuron from firing are called ______________

  1. agonists
  2. receptors
  3. transmitters
  4. antagonists
Answer

(D)antagonists

QN24. The portion of ANS that reduces heart and breathing rates after a stressful encounter is

  1. parasympathetic
  2. somantic
  3. autonomic
  4. sympathetic
Answer

(A)parasympathetic

QN25. ______________ divides two cerebral hemispheres.

  1. transverse fissure
  2. lateral fissure
  3. longitudinal fissure
  4. bilateral fissures
Answer

(C)longitudinal fissure

QN26. The area responsible for the production of speech is called as ______________

  1. wernicks area
  2. wernicks aphasia
  3. brocas area
  4. brocas aphasia
Answer

(C)brocas area

QN27. Which of the following plays a major role in fear :

  1. amygdala
  2. hippocampus
  3. thalamus
  4. midbrain
Answer

(A)amygdala

QN28. Network of neuron that runs through the core of hindbrain and into the midbrain and forebrain

  1. Corpus Callosum
  2. Septum pelludium
  3. Reticular activating system
  4. Hypothallamus
Answer

(C)Reticular activating system

QN29. The First stage of General adaptation syndrome

  1. Resistance stage
  2. Exhaustion stage
  3. Alarm Stage
  4. Flight stage
Answer

(C)Alarm Stage

QN30. The purpose of immune system is to

  1. Help germs invade our body
  2. Fight off sickness
  3. Make your nose run
  4. Helps to maintain body weight
Answer

(B)Fight off sickness

QN31. Which of these is a symptom of acute stress:

  1. Heartburn
  2. Diarrhea
  3. Sweaty palms
  4. All the above
Answer

(D)All the above

QN32. The hippocampus attaches to

  1. Emotions and memories
  2. Emotions and cortex
  3. Memories and cortex
  4. Cortex and emotions
Answer

(A)Emotions and memories

QN33. The purity of light is called

  1. hue
  2. wavelength
  3. saturation
  4. brightness
Answer

(C)saturation

QN34. A researcher interested in the relationship between physical stimuli and our psychological experience would be studying

  1. extrasensory perception
  2. proprioception
  3. transduction
  4. psychophysics
Answer

(D)psychophysics

QN35. People are more likely to notice 5 rupees increase in the price of a candy bar than they are to notice 5 rupees increase in an iPhone. This illustrates

  1. the absolute threshold
  2. webers law
  3. signal detection
  4. opponent process
Answer

(C)signal detection

QN36. What structure provides the boundary between outer and middle ear:

  1. tympanic membrane
  2. cochlea
  3. pinna
  4. oval window
Answer

(A)tympanic membrane

QN37. ______________ is to vision as ______________ is to audition.

  1. superior colliculus, inferior colliculus
  2. inferior colliculus, superior colliculus
  3. organ of corti, inferior ovilary
  4. Superior ovilary, inferior ovilary
Answer

(A)superior colliculus, inferior colliculus

QN38. Which of the following is not an endocrine gland:

  1. Hypothalamus
  2. Pituitary
  3. Parathyroid
  4. Pancreas
Answer

(A)Hypothalamus

QN39. Unlike polypeptide hormones, steroid hormones

  1. demonstrate rapid onset of effect
  2. are more likely to have an associated receptor in the cytosol or nucleus
  3. more commonly function via specific second messengers
  4. are more rapidly degraded and therefore demonstrate more temporary effects
Answer

(C)more commonly function via specific second messengers

QN40. Insufficient thyroxine can lead to

  1. goitre
  2. tetany
  3. cretinism
  4. myxoedema
Answer

(A)goitre

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