NEET Biology Chemical Coordination and Integration Question Bank

done Self Evaluation Test - Chemical Co-ordination and Integration Total Questions - 79

• question_answer1)
  According to the accepted concept of hormone action, if receptor molecules are removed from target organs, then the target organ will:
  A)
  Not respond to the hormone. done clear
  B)
  Continue to respond to hormone without any difference. done clear
  C)
  Continue to respond to the hormone but in the opposite way. done clear
  D)
  Continue to respond to the hormone but will require higher concentration. done clear
  View Solution play_arrow

• question_answer2)
  Endocrine glands produce or action of endocrine glands is mediated through:
  A)
  Hormones        done clear
  B)
                     Enzymes done clear
  C)
  Minerals                                     done clear
  D)
  Vitamins done clear
  View Solution play_arrow

• question_answer3)
  Ovulation in humans is controlled by:
  A)
  FSH and LTH done clear
  B)
                     FSH and GH done clear
  C)
  LTH and LH                              done clear
  D)
  FSH and LH done clear
  View Solution play_arrow

• question_answer4)
  Deficiency of vasopressin primarily results in:
  A)
  Increased volume of urine done clear
  B)
  Decreased volume of urine done clear
  C)
  Excessive secretion of urochrome done clear
  D)
  Change in pH from acidic to alkaline range. done clear
  View Solution play_arrow

• question_answer5)
  The first hormone artificially produced by genetically engineered bacteria is:
  A)
  Insulin         done clear
  B)
                     Somatotropin done clear
  C)
  Testosterone                               done clear
  D)
  Adrenaline done clear
  View Solution play_arrow

• question_answer6)
  Which endocrine gland stores its secretion in extracellular spaces before discharging it info blood?                       
  A)
  Testis              done clear
  B)
                     Pancreas done clear
  C)
  Thyroid       done clear
  D)
  Adrenal done clear
  View Solution play_arrow

• question_answer7)
  Pineal body develops from:
  A)
  Dorsal part of diencephalon done clear
  B)
  Ventral part of diencephalon done clear
  C)
  Ventral side of cerebellum done clear
  D)
  Lateral s0ide of cerebrum done clear
  View Solution play_arrow

• question_answer8)
  If thyroxine is added in a beaker which has some small tadpoles then:     
  A)
  All tadpoles die.   done clear
  B)
       They metamorphose very fast. done clear
  C)
  They develop small body. done clear
  D)
  They develop a giant body. done clear
  View Solution play_arrow

• question_answer9)
  Which of the following hormones is a cholesterol- derivative?
  A)
  Estrogen     done clear
  B)
  Prostaglandin done clear
  C)
  Epinephrine       done clear
  D)
                     All of these done clear
  View Solution play_arrow

• question_answer10)
  "Upregulation" of hormone receptors refers to:
  A)
  Increase in hormone receptor numbers with low hormone levels. done clear
  B)
  Increase in hormone receptor numbers with high neurotransmitter levels. done clear
  C)
  Increase in hormone levels produced by increase in hormone receptor numbers. done clear
  D)
  Decrease in hormone levels produced by decrease in hormone receptor numbers. done clear
  View Solution play_arrow

• question_answer11)
  The hormone released by "X" marked in the given figure helps to restore Y. Identify X and Y.
  A)

  X	Y
  Thyroxine	Too much calcium in the blood

    done clear
  B)

  PTH	Lowered levels of calcium in blood.

    done clear
  C)

  Thymosin

  Decreased level of blood sugar.

    done clear
  D)

  Adrenaline

  Excessive loss of sodium in extracellular fluid.

    done clear
  View Solution play_arrow

• question_answer12)
  The effect of prolactin hormone is on:
  A)
  Liver       done clear
  B)
                     Pancreas done clear
  C)
  Mammary glands done clear
  D)
                     Bones done clear
  View Solution play_arrow

• question_answer13)
  Which of the following is an example of negative feedback?
  A)
  Sucking reflex done clear
  B)
  Uterine contractions during labour. done clear
  C)
  Secretion of CRH in response to ACTH. done clear
  D)
  Hair erection due to low body temperature. done clear
  View Solution play_arrow

• question_answer14)
  What is the effect on metamorphosis of tadpole of frog when there is less amount of iodine in water?
  A)
  Accelerated       done clear
  B)
                     Delayed done clear
  C)
  Stopped      done clear
  D)
                     not affected done clear
  View Solution play_arrow

• question_answer15)
  Which one of the following four glands is correctly matched with me accompanying description?
  A)
  Thyroid - Hyperactivity in young children causes cretinism. done clear
  B)
  Thymus - Starts undergoing atrophy after puberty. done clear
  C)
  Parathyroid - Secretes parathormone which promotes movement of sodium ions from blood into bones during calcification. done clear
  D)
  Pancreas - Delta cells of Islets of Langerhans secrete a hormone which stimulates glycolysis in liver. done clear
  View Solution play_arrow

• question_answer16)
  MSH of pars intermedia of pituitary is responsible for -               
  A)
  Darkening of skin in lower verterbrates. done clear
  B)
  Lighten skin colouration in lower vertebrates. done clear
  C)
  Both [a] and [b] done clear
  D)
  Darkening of skin in human beings. done clear
  View Solution play_arrow

• question_answer17)
  Function of enterogastrone is:
  A)
  Regulation of bile flow. done clear
  B)
  Stimulation of pancreatic flow. done clear
  C)
  Inhibition of gastric secretion. done clear
  D)
  Stimulation of gastric secretion. done clear
  View Solution play_arrow

• question_answer18)
  A hormone circulating in the blood with target tissue 1, 2, and 3 could act selectively on only target tissue 1 if:  
  A)
  Target tissue 1 had fewer hormone receptors than 2 and 3. done clear
  B)
  Target tissues 2 and 3 had hormone receptors with a higher hormone affinity than 1. done clear
  C)
  Target tissue 1 had hormone receptors with a higher hormone-affinity than 2 and 3. done clear
  D)
  The hormone was released only in the vicinity of target tissue 1. done clear
  View Solution play_arrow

• question_answer19)
  Anterior lobe of pituitary secretes:
  A)
  ACTH, TSH and oxytocin done clear
  B)
  STH, GH and ADH done clear
  C)
  TSH, ADH and prolactin done clear
  D)
  FSH, GH and LH done clear
  View Solution play_arrow

• question_answer20)
  Thymosin stimulate secretion of:
  A)
  Milk                                          done clear
  B)
  Erythrocytes done clear
  C)
  T-lymphocytes done clear
  D)
                     Melanocytes done clear
  View Solution play_arrow

• question_answer21)
  Secretin and cholecystokinin are digestive hormones. They are secreted in:
  A)
  Pyloric stomach done clear
  B)
                     Duodenum done clear
  C)
  Ileum                                        done clear
  D)
  Oesophagus done clear
  View Solution play_arrow

• question_answer22)
  Hormone connected with increased rate of glycogenolysis, blood pressure and heart beat is:
  A)
  Insulin            done clear
  B)
                     Glucagon done clear
  C)
  Adrenaline  done clear
  D)
                     FSH done clear
  View Solution play_arrow

• question_answer23)
  Which of the following statements is not correct for the hormones?
  A)
  They act on target organs away from the source glands. done clear
  B)
  They are secreted directly into the blood. done clear
  C)
  They are used again and again like catalysts. done clear
  D)
  They are produced in very minute quantities and are biologically very active. done clear
  View Solution play_arrow

• question_answer24)
  Which of the following statements is correct in relation to the endocrine system?
  A)
  Organs in the body like gastrointestinal tract, heart, kidney and liver do not produce any hormones. done clear
  B)
  Non-nutrient chemicals produced by the body in trace amounts that act as intercellular messenger are known as hormones. done clear
  C)
  Releasing and inhibitory hormones are produced by the pituitary gland. done clear
  D)
  Adenohypophysis is under direct neural regulation of the hypothalamus. done clear
  View Solution play_arrow

• question_answer25)
  Which one of the following flows directly into the blood from of its production to act on an organ away from it?            
  A)
  Glucagon                                   done clear
  B)
  Renin done clear
  C)
  Cholesterol                                 done clear
  D)
  Cholesterase done clear
  View Solution play_arrow

• question_answer26)
  Which of the following is related to obesity, low plasma \[N{{a}^{+}}\]high \[{{K}^{+}}\] and increased blood pressure?                 
  A)
  Growth hormone done clear
  B)
                     Cortisol done clear
  C)
  Thyroxine                                  done clear
  D)
  Adrenaline done clear
  View Solution play_arrow

• question_answer27)
  Uterine contraction at the child birth is stimulated by:
  A)
  Prolactin                                    done clear
  B)
  Progesterone done clear
  C)
  Adrenaline                                 done clear
  D)
  Oxytocin done clear
  View Solution play_arrow

• question_answer28)
  Match column-I with column-II and select the correct answer using the codes given below.

  	Column-I		Column-II
  A.	Hypothalamus	I.	Relaxin
  B.	Anterior pituitary	II.	Estrogen
  C.	Testis	III.	FSH and LH
  D.	Ovary	IV.	Androgens
  E.		V.	Gonadotropin releasing Hormone

  A)
  A-V;    B-III;    C-IV;    D-II done clear
  B)
  A-V;    B-III;    C-II;      D-IV done clear
  C)
  A-I;      B-II;     C-IV;    D-III done clear
  D)
  A-III;    B-V;    C-IV;     D-II done clear
  View Solution play_arrow

• question_answer29)
  The urine of a man is very dilute and the quantity of urine is too much and dehydration has started in his body and he is very thirsty by the cause of:
  A)
  Hypersecretion of ADH   done clear
  B)
  Hyposecretion of ADH  done clear
  C)
  Both [a] and [b] done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer30)
  Addison's disease results from:
  A)
  Hyposecretion of adrenal cortex done clear
  B)
  Hypersecretion of adrenal cortex done clear
  C)
  Hypertrophy of gonads done clear
  D)
  Hyperactivity of cells of Leydig done clear
  View Solution play_arrow

• question_answer31)
  Injections of a hormone are sometimes given to strengthen contractions of the uterus during childbirth. What hormone might this be?
  A)
  Adrenocorticotropic hormone (ACTH) done clear
  B)
  Thyroxine done clear
  C)
  Oxytocin done clear
  D)
  Insulin done clear
  View Solution play_arrow

• question_answer32)
  Which of the following statement is correct for thyrocalcitonin?            
  A)
  Produced by parathyroid and decreases \[C{{a}^{++}}\]in ECF. done clear
  B)
  Produced by thyroid and decreases \[C{{a}^{++}}\] in ECF. done clear
  C)
  Produced by parathyroid and increases \[C{{a}^{++}}\]in ECF. done clear
  D)
  Produced by thyroid and increases \[C{{a}^{++}}\]in ECF. done clear
  View Solution play_arrow

• question_answer33)
  A man suffering from diabetes mellitus drinks water more frequently as he has to eliminate from blood, the extra:
  A)
  Salts              done clear
  B)
                     Sugar done clear
  C)
  Insulin            done clear
  D)
                     Protein done clear
  View Solution play_arrow

• question_answer34)
  Which of the following statements about glucocorticoids is correct?
  A)
  The major glucocorticoid in humans is cortisol. done clear
  B)
  They are secreted by the zona fasciculate of the adrenal cortex. done clear
  C)
  Secretion of these hormones is decreased in Addison's disease. done clear
  D)
  All of the above done clear
  View Solution play_arrow

• question_answer35)
  Match column-I with column-II and select the correct answer using the codes given below.

  	Column-I		Column-II
  A.	Hypothalamus	I.	Sperm lysins
  B.	Acrosome	II.	Estrogen
  C.	Graafian follicle	III.	Relaxin
  D.	Leydig cells	IV.	GnRH
  E.	Parturition	V.	Testosterone

  A)
  A-IV;    B-I;    C-II;     D-III;     E-V done clear
  B)
  A-II;     B-I;     C-IV;   D-III;    E-V done clear
  C)
  A-II;     B-I;     C-V;     D-IV;   E-III done clear
  D)
  A-IV;    B-I;    C-II;      D-V;    E-III  done clear
  View Solution play_arrow

• question_answer36)
  Which of the following hormones have antagonistic (opposing) effects?
  A)
  Thyroxine and calcitonin done clear
  B)
  Insulin and glucagon done clear
  C)
  Growth hormone and epinephrine done clear
  D)
  ACTH and glucocorticoids done clear
  View Solution play_arrow

• question_answer37)
  Which of the following radioactive isotope is used in the detection of thyroid cancer?
  A)
  Iodine-131  done clear
  B)
                     Carbon-14 done clear
  C)
  Uranium-238     done clear
  D)
                     Phosphorus-32 done clear
  View Solution play_arrow

• question_answer38)

  Direction (For Qs. 38 and 39): The given figure shows two endocrine glands (marked as A and B) and the hormones (marked as 1 and 2) secreted from them.

  Identify [A] and [B].
  A)
  A- Pituitary gland, B- Adrenal gland done clear
  B)
  A- Hypothalamus, B- Pituitary gland done clear
  C)
  A- Hypothalamus, B- Adrenal gland done clear
  D)
  A- Pituitary gland, B- Hypothalamus done clear
  View Solution play_arrow

• question_answer39)

  Direction (For Qs. 38 and 39): The given figure shows two endocrine glands (marked as A and B) and the hormones (marked as 1 and 2) secreted from them.

  Identify the hormone represented by lines 1 and 2.
  A)
  1-ACTH, 2-Aldosterone done clear
  B)
  1-ACTH, 2-Adrenaline   done clear
  C)
  1-TSH, 2-Thyroxine done clear
  D)
  1-TSH, 2-Aldosterone done clear
  View Solution play_arrow

• question_answer40)
  Jet lag occurs when a person moves rapidly from one time zone to another, causing conflict between the body's biological rhythm and the new cycle of light and dark. Some scientists suspect that jet lag may result from disruption of a daily hormone cycle. Which of the following hormones do you think is the most likely suspect?
  A)
  Epinephrine       done clear
  B)
  Insulin done clear
  C)
  Melatonin    done clear
  D)
                     Estrogen done clear
  View Solution play_arrow

• question_answer41)
  During pregnancy corpus luteum:
  A)
  Degenerates done clear
  B)
  Changes to corpus albicans done clear
  C)
  Persists until parturition done clear
  D)
  Persists upto the middle of pregnancy done clear
  View Solution play_arrow

• question_answer42)
  Blood calcium levels are maintained because   the bones act as a calcium sink in which calcium can either be stored or procured based on the body's needs. If a person secretes too much parathyroid hormone (one possible factor in the bone disease osteoporosis), what happens to calcium levels in the body?
  A)
  Bone stores are depleted and the kidney move calcium. done clear
  B)
  Bone stores are depleted and the kidney' retain calcium. done clear
  C)
  Blood levels of calcium may read high done clear
  D)
  Both [b] and [c] done clear
  View Solution play_arrow

• question_answer43)
  The graph below illustrates the changes I blood sugar concentration after a healthy rnan has drunk a glucose solution. Which one of the following graphs would apply to a diabetic man in similar circumstances?
  A)
    done clear
  B)
  done clear
  C)
                    done clear
  D)
  done clear
  View Solution play_arrow

• question_answer44)
  Which of the following does not secrete any hormone?
  A)
  Spleen    done clear
  B)
                     Ovary done clear
  C)
  Testes             done clear
  D)
                     Pancreas done clear
  View Solution play_arrow

• question_answer45)
  'Brain sand' is associated to:
  A)
  Pineal body done clear
  B)
                     Thymus gland done clear
  C)
  Thyroid gland     done clear
  D)
                     Pituitary gland done clear
  View Solution play_arrow

• question_answer46)
  The given figure is related with principal endocrine glands in human. Identify 1 to 7.
  A)
  1- Pineal, 2- Pituitary, 3- Thyroid and parathyroid, 4- Thymus, 5-Adrenal, 6- Testis,7- Ovary done clear
  B)
  1- Pituitary, 2- Pineal, 3- Thyroid and parathyroid, 4- Thymus, 5-Adrenal, 6- Ovary, 7- Testis done clear
  C)
  1- Pituitary, 2- Pineal, 3- Thyroid and parathyroid, 4- Thymus, 5- Kidney, 6- Testis, 7- Ovary done clear
  D)
  1- Pituitary, 2- Pineal, 3- Thyroid and parathyroid, 4- Thymus, 5-Adrenal, 6- Testis, 7- Ovary done clear
  View Solution play_arrow

• question_answer47)
  Which of the following statement is correct regarding glucagon hormone?
  A)
  It has opposite effect to that of insulin. done clear
  B)
  It converts glucose to glycogen. done clear
  C)
  It is given to diabetic patients. done clear
  D)
  It is formed by P-cells of pancreas. done clear
  View Solution play_arrow

• question_answer48)
  If both the ovaries of rat are removed then which of the following hormones will be deficient?
  A)
  Prolactin done clear
  B)
  Oestrogen done clear
  C)
  Oxytocin done clear
  D)
  Gonadotrophic hormone done clear
  View Solution play_arrow

• question_answer49)
  Which one is different from the category of other three?
  A)
  Gastrin                                      done clear
  B)
  Ptyalin done clear
  C)
  Secretin           done clear
  D)
                     Glucagon done clear
  View Solution play_arrow

• question_answer50)
  Match column-I with column-II and select the correct answer using the codes given below.

  	Column-I		Column-II
  A.	Adenohypophysis	I.	Epinephrine
  B.	Adrenal medulla	II.	Somatotropin
  C.	Parathyroid gland	III.	Thymosin
  D.	Thymus gland	IV.	Calcitonin

  A)
  A-III;     B-I;    C-IV;    D-II done clear
  B)
  A-I;       B-II;   C-III;    D-IV done clear
  C)
  A-II;      B-I;     C-IV;    D-III done clear
  D)
  A-IV;     B-III;   C-II;    D-I done clear
  View Solution play_arrow

• question_answer51)
  Antiageing hormone is:
  A)
  Thyroxine         done clear
  B)
                     Melatonin done clear
  C)
  Estrogen          done clear
  D)
                     Testosterone done clear
  View Solution play_arrow

• question_answer52)
  Which of the following statement(s) is/are correct?                    

  (i) Maximum iodine is stored in thyroid gland

  (ii) Calcitonin is non-iodinised hormone secreted by parafollicular cells of thyroid gland.

  (iii) Calcitonin (TCT) regulates the blood \[C{{a}^{+2}}\] level.

  (iv) TCT is hypocalcemic factor.

  A)
  All of these done clear
  B)
  None of these done clear
  C)
  (i), (ii) and (iii) done clear
  D)
                     Only (iv) done clear
  View Solution play_arrow

• question_answer53)
  A decrease in the level of oestrogen and progesterone causes:
  A)
  Growth and dilation of myometrium. done clear
  B)
  Growth of endometrium. done clear
  C)
  Constriction of uterine blood vessels leading to sloughing of endometrium or uterine epithelium. done clear
  D)
  Release of ovum from the ovary. done clear
  View Solution play_arrow

• question_answer54)
  Complete failure of the anterior lobe of pituitary causes:
  A)
  Conn's disease done clear
  B)
                     Acromegaly done clear
  C)
  Cushing's disease                         done clear
  D)
  Simmond's disease done clear
  View Solution play_arrow

• question_answer55)
  If a person has protruding eyes, tachycardia an higher body temperature, he is suffering from:
  A)
  Cretinism                                   done clear
  B)
  Hyperthyroidism done clear
  C)
  Myxoedema                               done clear
  D)
  Acromegaly done clear
  View Solution play_arrow

• question_answer56)
  When an egg is fertilised and pregnancy occurs, which of the following is correct regarding hormone concentrations?
  A)
  Progesterone levels drop, whereas oestrogen levels remain high. done clear
  B)
  Both progesterone and oestrogen levels drop. done clear
  C)
  Both progesterone and oestrogen levels rise. done clear
  D)
  Progesterone levels remain high, whereas oestrogen levels drop. done clear
  View Solution play_arrow

• question_answer57)
  What is the significance of the discovery of different hormone receptor types for the hormone epinephrine?
  A)
  Two types of epinephrine hormone response elements were identified. done clear
  B)
  Different tissues responded differently to the presence of epinephrine. done clear
  C)
  It was discovered that slightly different forms of epinephrine (agonists) were secreted by the adrenal glands. done clear
  D)
  All target tissues for epinephrine possess all four types of epinephrine receptors. done clear
  View Solution play_arrow

• question_answer58)
  Match column-I with column-II and select the correct answer using the codes given below.

  	Column-I		Column-II
  A.	Adrenaline	I.	Myxoedema
  B.	Hyperparathyroidism	II.	Accelerates heart beat
  C.	Oxytocin	III.	Salt-water balance
  D.	Hypothyroidism	IV.	Childbirth
  E.	Aldosterone	V.	Demineralisation

  A)
  A-II;      B-V;    C-IV;   D-I;     E-III done clear
  B)
  A-III;     B-IV;   C-V;    D-I;     E-II done clear
  C)
  A-V;      B-III;   C-II;     D-IV;   E-I done clear
  D)
  A-II;      B-III;    C-IV;   D-V;   E-I done clear
  View Solution play_arrow

• question_answer59)
  Hormone relaxin is meant for:
  A)
  Release of ova from ovary. VSSP done clear
  B)
  Relaxing uterus to prevent abortion. done clear
  C)
  Relaxing pubic symphysis. done clear
  D)
  The contraction of uterus for child birth. done clear
  View Solution play_arrow

• question_answer60)
  The primary difference between sex hormones in general and gonadotropins specifically is that gonadotropins:        
  A)
  Are produced before birth only. done clear
  B)
  Are present only in one sex. done clear
  C)
  Cease functioning at puberty done clear
  D)
  Influence the production of gametes specifically, while sex hormones have a wide variety of primary and secondary roles in sex development and determination. done clear
  View Solution play_arrow

• question_answer61)
  Sella tursica is a depression lodging:
  A)
  Pituitary      done clear
  B)
                     Pineal done clear
  C)
  Adrenal           done clear
  D)
                     Thyroid done clear
  View Solution play_arrow

• question_answer62)
  If a human female starts developing male characteristics like beard, degeneration of uterus and ovaries, enlargement of clitoris etc. It may be due to:
  A)
  Overproduction of oestrogen and testosterone done clear
  B)
  Damage to posterior pituitary. done clear
  C)
  Over production of adrenal androgens. done clear
  D)
  Surgical removal of mammary gland. done clear
  View Solution play_arrow

• question_answer63)
  Which of the following disease is caused due to over secretion of the structure marked as X?
  A)
  Gigantism        done clear
  B)
                     Diabetes mellitus done clear
  C)
  Diabetes insipidus done clear
  D)
                    Grave's disease done clear
  View Solution play_arrow

• question_answer64)
  Match column-I with column-II and select the correct answer using the codes given below.

  	Column-I		Column-II
  A.	Gastrin	I.	Acts on gastric gland and stimulates secretion of HCl
  B.	Secretin	II.	Acts on the exocrine part of pancreas and stimulates secretion of water and \[HC{{O}_{3}}^{-}\]ions.
  C.	CCK	III.	Acts on both pancreas and stimulates the pancreatic enzymes and bile juice respectively.
  D.	GIP	IV.	Inhibits gastric secretion and motility.

  A)
  A-IV;      B-III;   C-II;     D-I done clear
  B)
  A-II;       B-IV;   C-III;   D-I done clear
  C)
  A-I;        B-II;     C-III;   D-IV done clear
  D)
  A-I;        B-III;    C-II;   D-IV done clear
  View Solution play_arrow

• question_answer65)
  Which of the following hormone stimulates pancreas to secrete enzymes?
  A)
  Enterocrinin       done clear
  B)
  CCK-PZ done clear
  C)
  Gastrin           done clear
  D)
                     Secretin done clear
  View Solution play_arrow

• question_answer66)
  Most of the contraceptive pills contain:
  A)
  Oestrogen + FSH done clear
  B)
  Progesterone + LH done clear
  C)
  FSH+LH done clear
  D)
  Oestrogen + Progesterone done clear
  View Solution play_arrow

• question_answer67)
  Heterocrine glands are the glands, which:
  A)
  Work as exocrine glands. done clear
  B)
  Work as endocrine glands. done clear
  C)
  Have dual (exo- and endocrine) mode of function. done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer68)
  Mainly which type of hormones control the menstrual cycle in woman?
  A)
  FSH                                          done clear
  B)
  LH done clear
  C)
  FSH, LH, oestrog done clear
  D)
  e                  Progesterone done clear
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• question_answer69)
  Which of the followings is the more scientific definition of hormone?
  A)
  They are extracellular messengers. done clear
  B)
  They always act at distantly located target organs. done clear
  C)
  They are the products of well organised endocrine glands. done clear
  D)
  They are non-nutrient chemicals that act as intercellular messengers. done clear
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• question_answer70)
  Growth hormone of pituitary is more effective in:
  A)
  Presence of thyroxine done clear
  B)
  Absence of thyroxine done clear
  C)
  Absence of insulin done clear
  D)
  Presence of adrenaline done clear
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• question_answer71)
  Restlessness, intolerance to temperature and increased metabolism is due to:
  A)
  Thyrotoxicosis done clear
  B)
  ACTH deficiency done clear
  C)
  Pituitary deficiency done clear
  D)
  Calcitonin deficiency done clear
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• question_answer72)
  Match the following columns.

  	Column-I		Column-II
  A.	Protein hormones	I.	Epinephrine
  B.	Steroid hormones	II.	Testosterone, progesterone
  C.	Iodothyronies	III.	Thyroid hormones
  D.	Amino acid	IV.	Insulin and derivatives glucagon hormones

  A)
  A-I;       B-II;   C-III;    D-IV done clear
  B)
  A-IV;    B-III;   C-II;     D-I done clear
  C)
  A-IV;    B-II;    C-III;    D-I done clear
  D)
  A-IV;    B-II;    C-I;     D-III done clear
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• question_answer73)
  The given figure shows feedback relationship between three glands and their hormones. The secretion of ?b? is decreased by 'a', secretion of 'c' is increased by 'b' while the secretion of 'a' is decreased by 'c'. Increased or decreased amounts of a hormone cause an increase or decrease in the amount of the following hormone in the system. Now if 'a' is added to the system, the secretion of 'c' is
  A)
  Decreased done clear
  B)
  Increased done clear
  C)
  First decreased and then increased done clear
  D)
  First increased and then decreased done clear
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• question_answer74)
  A hormone that acts upon the renal tubule and blood capillaries is:
  A)
  Glucagon         done clear
  B)
                     Aldosterone done clear
  C)
  Vasopressin done clear
  D)
                     Glucocorticoids done clear
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• question_answer75)
  Which one of the following hormone stimulates the "let-down" (release) of milk from the mother's breasts when the baby is sucking?
  A)
  Progesterone      done clear
  B)
                     Oxytocin done clear
  C)
  Prolactin                                    done clear
  D)
  Relaxin done clear
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• question_answer76)
  Three hormones control the metamorphosis of a caterpillar into a butterfly. Which statement about these hormones is false?
  A)
  Molting hormone promotes the changes in the epidermis (external skeleton). done clear
  B)
  Prothoracicotropic hormone stimulates the prothoracic gland to release juvenile hormone. done clear
  C)
  Levels of juvenile hormone control the time at which an insect turns into an adult. done clear
  D)
  Molting hormone promotes the development of imaginal disks. done clear
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• question_answer77)
  A tumor in an endocrine gland caused Jennifer to have weakened bones and unusually high levels of blood calcium. Which of the following was affected?         
  A)
  Anterior pituitary done clear
  B)
  Pancreas done clear
  C)
  Adrenal glands                            done clear
  D)
  Parathyroid glands done clear
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• question_answer78)
  In human, adult females oxytocin:
  A)
  Is secreted by anterior pituitary. done clear
  B)
  Stimulates growth of mammary glands. done clear
  C)
  Stimulates pituitary to secrete vasopressin. done clear
  D)
  Causes strong uterine contractions during parturition. done clear
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• question_answer79)
  Which of the following exerts control over all the others?
  A)
  Adrenal cortex done clear
  B)
                     Hypothalamus done clear
  C)
  Thyroid gland                             done clear
  D)
  anterior pituitary done clear
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