Quiz 2 - Animals McQ

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b) are generally unaffected by metabolic poisons or inhibitors of metabolic pathways

c) NS and hormones allow for a combination of immediate, short term control of behaviour and long term patterns such as seasonal cycles

d) Social relationships between males and the nature of the social environment appear to determine the hormonal levels

34. Male rats given testosterone at 4 days of age loss of sexual responsiveness through partial functional castration and impaired development of the penis

a)True

b)false

35. Cyclical influences of environment in

a) Light

b) time base

c) seasonal cycles

d)Tides and moon

36. For effects of experience, after rank establishment showed relationship between rank and testosterone concentration alpha male having highest testosterone levels and gamma lowest by

a)DeCoursey, 1960

b)Drickamer, 1966

c)Mendoza et al. 1979

d)Alcock, 1998

37. In blackbirds (Agelaius phoeniceus) testosterone levels peak when males defend breeding territories and guarding mates from rivals

a)Testosterone levels higher in males defending territories (higher competition)

b)Oestrogen evels lower in territorial males as compared to non territorial males

c) fluctuation in physical performance at different stages of the cycle

d)Elevated serotonin reflects the need for aggressive defense of breeding resources

38. Nyby et al. (1992) studied effects of intracranial implants of testosterone (androgen) in male mouse on are FALSE EXCEPT

a) urine marking

b)hormone replacement therapy

c)blood transfusion

d) immononeutralisation

39. Rapid response of __________and sustained hormonal influences complement each other in bringing about and affecting behaviour

a) Blood transfusion

b) Endocrine glands

c) nervous system

d) exogeneous hormone

40. ________ and octopamine prime receptor in muscles of lobsters – serotonin primes for flexion when another lobster comes into view and octapamine inhibits flexion

a) melanin

b) dopamine

c)testosterone

d)Serotonin

41. Hormones affect development of the structures.

a) True

b) False

42. For muscle development in male frogs, hypertropied brancial muscles used in

a. migrating

b. coupling

c. development

d. feeding

43. Hormones effect development of young and impart characteristics features to their [pic 5]

as adult.

a. behaviour

b. energy

c. habitat

d. offsprings

44. Ecological influence is one of the factors influencing relationships between hormones and behaviour that cannot affect behaviour directly or indirectly.

a) True

b) False

45. Past experience has influence on the of hormones.[pic 6]

a. secretion

b. development

c. behavioural effects

d. levels

46. is a devise for increasing reproductive success but there is conflict with other components of reproductive success, caring for the young.[pic 7]

a. social instability

b. defending territories

c. guarding mates

d. reproductive aggression

47. Basic features of rhythmic behaviour are EXCEPT :

a. Cycles

b. Genetic

c. Amplitude

d. Phase

48. Biological rhythms are temperature compensated, sensitive to temperature changes.

a) True

b) False

49. Self sustaining even in absence of environmental cues is one of the properties of

a. endogenous pacemaker

b. impulse transmission

c. biological rhythms

d. seasonal variation

50. Internal pacemaker mechanisms may be set and adjusted according to input from external and internal environment.

a) True

b) False

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