Psychology · UNIT 04 · MOCK TEST

Mock 3 – Endocrine System, Genetics & Sleep + Mixed Practice

Unit 4: Biological Basis of Behaviour · 23 questions · about 27 minutes. Press End Mock any time to see your score and the correct answers.

All 3 topic-wise mocks in this unit

0 / 23 answered 00:00

Q1.

An organism's observable traits are referred to as-

AGenotype BDominant traits CRecessive Trait DPhenotype

Q2.

Proteins that bind to DNA and influence the extent to which genes are expressed are called-

ATranscription factor BReplication CTranslation DGenetic recombination

Q3.

The disorder where an extra sex chromosome in the 23rd pair results in XXY, producing a male with reduced masculine characteristics resulting in enlarged breasts, obesity and excessive height, is called

APhenylketonuria (PKU) BTurner's syndrome CTay-Sachs disorder DKlinefelter's syndrome

Q4.

Pineal Gland

A. Helps increase the blood calcium level

B. Secretes a hormone called 'melatonin'

C. Is located in epithalamus

D. Secretes hormones called 'parathormone' and 'calcitonin'

E. Is used to be known as the 'Third eye'

Choose the correct answer from the options given below:

AA, D, E only BB, C, E only CC, D only DA, B, C, E only

Q5.

Match List-I with List-II

List I	List II
A. Tay-Sachs disorder	I. The 23rd pair is actually missing an X
B. Down's syndrome	II. Fatal neurological disorder
C. Klinefelter's syndrome	III. An extra chromosome in what would normally be the 21st pair
D. Turner's syndrome	IV. The 23rd set of sex chromosomes is XXY

AA-III, B-IV, C-II, D-I BA-II, B-III, C-IV, D-I CA-IV, B-I, C-III, D-II DA-I, B-III, C-II, D-IV

Q6.

Arrange the following in correct sequence of HPA axis response to stress, and consequences :

(A) Adrenal glands get stimulated

(B) Release of corticotropin releasing factor

(D) Release of glucose from liver and muscle

(E) Release of adrenocorticotropic hormone

Choose the correct answer from the options given below :

AA, B, C, E, D BA, C, B, E, D CB, E, A, C, D DE, B, A, C, D

Q7.

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as

Reason (R).

Assertion (A): Allostasis is a process of adaptation to acute stress by releasing stress hormones in the event of challenge with a goal to restore the homeostasis.

Reason (R): — HPA axis gets activated in the event of stress.

In the light of the above statements, choose the most appropriate answer from the options given below :

ABoth (A) and (R) are correct and (R) is the correct explanation of (A) BBoth (A) and (R) are correct but (R) is not the correct explanation of (A) C(A) is correct but (R) is not correct D(A) is not correct but (R) is correct

Q8.

Which one of the following is not a principal characteristic of the REM sleep?

AEEG desynchrony (Rapid Irregular Waves) BLack of muscle tonus CLack of genital activity DDreams

Q9.

Arrange the following physiological response to stress sequentially

A. Release of Adrenocorticotropin hormone from pituitary gland

B. Release of CRF from hypothalamus

C. Perception of stress

D. Suppression of immune system functioning

E. Glucocorticoid release from Adrenal gland

Choose the correct answer from the options given below:

AB, C, E, A, D BC, B, A, E, D CA, C, D, B, E DE, D, C, A, B

Q10.

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R.

Assertion A: Monozygotic twins are called fraternal twins. who share half of their genes. Both members of the twins may be males or females.

Reason R : Dizygotic twins develop from two different eggs and share the genes like a brother and sister. One of the twins may be a male and the other one may be a female.

In the light of the above statements, choose the most appropriate answer from the options given below:

ABoth A and B are correct and R is the correct explanation of A BBoth A and R are correct but R is not the correct explanation of A CStatement I is correct but statement II is not correct DStatement I is incorrect but Statement II is correct

Q11.

An EEG record during NREM sleep shows waves

ADelta BAlpha CTheta DBeta

Q12.

Identify the posterior pituitary hormones

A. Thyrotropin

B. Follicle Stimulating Hormone

C. Oxytocin

D. Luteinizing Hormone

E. Vasopressin

Choose the correct answer from the options given below:

AC only BB only CA and B only DC and E only

Q13.

Which of the following are the correct differences between Parkinson's disease and Huntington's disease?

(A) Parkinson's disease is a disorder of middle and old age while Huntington's disease is a disorder of young.

(B) Parkinson's disease is a movement disorder while Huntington's disease is an emotional disorder.

(D) Parkinson's disease is not associated with severe dementia while Huntington's disease is.

Choose the correct answer from the options given below:-

A(A) and (B) only B(C) and (D) only C(A) , (C) and (D) only D(B), (C) and (D) only

Q14.

Pattern of familial transmission of intelligence from one generation to other is investigated in which of the following?

ALinkage analysis studies BAdoption studies CAssociation studies DSegregation analysis Studies

Q15.

Given below are two statements : One is labelled as Assertion A and the other is labelled as Reason R :

Assertion (A) : Chances of inheriting the dominant genes are twice in females as compared to males

Reason (R) : Females in comparison to males have two 'X' chromosomes

In the light of the above statements, choose the most appropriate answer from the options given below :

Q16.

Antiduretic hormone (ADH) is released by which of the following?

AAdrenal cortex BAdrenal medulla CAnterior pituitary DPosterior pituitary

Q17.

Which of the following is true about Hypovolemia?

A. It causes thirst

B. It increases the blood pressure

C. Angiotensin is released during this condition

D. The volume of blood increases

E. Blood pressure reduces

Choose the correct answer from the options given below:

AA, B and C only BA, C and E only CA, D and E only DB, C and D only

Q18.

A decrease in sensitivity to leptin is found to be a factor contributing to :

Aweight gain Bweight loss Cmaintaining homeostasis Dloss of appetite

Q19.

Sequentially arrange the sections of the vertebrae of the spinal column from top to bottom.

A. Thoracic vertebrae

B. Sacral vertebrae

C. Cervical vertebrae

D. Lumbar vertebrae

Choose the correct answer from the options given below:

AA, D, B, C BC, A, D, B CA, C, B, D DB, A, D, C

Q20.

Match List I with List II

List I – Type of cell	List II – Function
A. Antigen	I. Cell-mediated immunity
B. Phagocytes	II. Consume and destroy microorganisms
C. T cells	III. Antibody-mediated immunity
D. B cells	IV. Distinguishes foreign cell

AA-IV, B-I, C-II, D-III BA-IV, B-II, C-I, D-III CA-II, B-IV, C-I, D-III DA-IV, B-III, C-II, D-I

Q21.

Some people are able to draw an object, match similar objects and describe the component parts but they fail to recognize the objects that they had just seen or drawn. Which of the following describes this phenomena?

AAssociative Agnosia BApperceptive Agnosia CVisual Neglect DForm Agnosia

Q22.

Which of the following are involved in decreased food intake and weight loss?

A. Insulin

B. Leptin

C. Cholecystokinin

D. Orexin

Choose the correct answer from the options given below:

AA and B only BA, B and C only CA, B and D only DB, C and D only

Q23.

Match List I with List II

List I	List II
A. Efficacy	I. Response activated when drugs bind with a receptor
B. Tolerance	II. Repeated exposure with less activation of receptors
C. Downregulation	III. Compensatory reduction in receptor availability
D. Withdrawal	IV. Unpleasant physiological responses

AA-II, B-I, C-III, D-IV BA-I, B-II, C-III, D-IV CA-III, B-IV, C-II, D-I DA-IV, B-I, C-II, D-III