SOLVED PYQs UGC NET (PSYCHOLOGY)
Biological Basis of Motivation
UGC NET PSYCHOLOGY
Biological Basis of Behaviour (UNIT 4)
Included Topics: Biological Basis of Motivation: Hunger, Thirst, Sleep, Sex. Biological Basis of Emotion: The Limbic System, Hormonal Regulation of behaviour. Genetics and Behaviour: Chromosomal Anomalies; Nature-Nurture Controversy [Twin Studies and Adoption Studies]
1. Physiological psychologists distinguish between thirst which thirst and result from an increase in the concentration of solutes and low blood pressure respectively. (DEC 2014)
(1) Osmotic, Hypovolumic
(2) Osmotic, Hypervolumic
(3) Hypovolumic, Osmotic
(4) Hypervolumic, Osmotic
2. Which of the following are the characteristics of NREM sleep? (DEC 2014)
I. Decrease in heart rate.
II. Increase in breathing rate.
III. Muscles are relaxed.
IV. Increase in brain’s metabolic rate.
Codes:
(1) I and III are correct
(2) II and III are correct
(3) I and IV are correct
(4) II, III and IV are correct
3. Match List I with List II and select the correct answer using the codes given below: (DEC 2014)
| List I (Hypothalamic areas) | List II (Effects of lesion) |
|---|---|
| A. Lateral pre-optic area | I. Deficit in physiological mechanisms of temperature regulation. |
| B. Pre-optic area | II. Deficit in drinking |
| C. Ventromedial hypothalamus | III. Under eating, weight loss and low insulin level. |
| D. Lateral hypothalamus | IV. Increased meal frequency weight gain and high insulin level. |
Codes:
| A | B | C | D | |
|---|---|---|---|---|
| (1) | IV | III | I | II |
| (2) | III | IV | II | I |
| (3) | II | II | IV | III |
| (4) | I | I | III | IV |
4. Down syndrome is associated with which of the causal factor? (DEC 2014)
(1) Trisomy 18
(2) Trisomy 12
(3) Trisomy 21
(4) Trisomy 14
5. The evidence that sleep is a biological motive comes from in lengthy sleep deprived subjects. (JUNE 2015)
(1) rebound effect of slow wave sleep
(2) rebound effect of REM sleep
(3) insomnia
(4) enhanced stage I and stage II sleep
6. Read each of the following two statements, Assertion (A) and Reason (R) and indicate your answer using the codes given below: (JUNE 2015)
Assertion (A) Being awake disrupts the homeostasis of the body.
Reason (R) Sleep is terminated by a return to homeostasis.
Codes:
(1) Both (A) and (R) are true and (R) is the correct explanation of (A)
(2) Both (A) and (R) are true, but (R) is not the correct explanation of (A)
(3) (A) is true, but (R) is false
(4) (A) is false, but (R) is true
7. Which of the following are innate behaviours? (JUNE 2015)
I. Reflexes
II. Taxes
III. Fixed action patterns
IV. Genotype
Codes:
(1) I and III
(2) I, II and III
(3) I, III and IV
(4) I, II, III and IV
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
|---|---|---|---|---|---|---|---|---|---|
| (1) | (1) | (3) | (3) | (1) | (2) | (2) | (4) | (3) | (4) |
| 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| (1) | (3) | (2) | (1) | (2) | (4) | (2) | (2) | (2) | (2) |
| 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| (1) | (3) | (3) | (2) | (1) | (3) | (2) | (4) | (2) | (3) |
| 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 |
| (1) | (4) | (3) | (3) | (1) | (2) | (2) | (2) | (3) | (4) |
| 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 |
| (1) | (3) | (1) | (2) | (2) | (1) | (1) | (2) | (3) | (2) |
| 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 |
| (3) | (3) | (4) | (3) | (1) | (3) | (4) | (2) | (2) | (1) |
| 61 | 62 | 63 | 64 | 65 | 66 | ||||
| (1) | (3) | (4) | (1) | (2) | (3) |
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