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101.

A person is having problems with calcium and phosphorus metabolism in his body. Which one of the following glands may not be functioning properly ?A. parotidB. pancreasC. thyroidD. parathyroid

Answer» Correct Answer - D
102.

A person is having problems with calcium and phosphorus metabolism in his body. Which one of the following glands may not be functioning properly ?A. ThyroidB. ParathyroidC. ParotidD. Pancreas

Answer» Correct Answer - B
103.

A person is having problems with calcium and phosphorus metabolism in his body. Which one of the following glands may not be functioning properly ?A. ThyroidB. PaarathyroidC. ParotidD. Pancreas

Answer» Correct Answer - B
104.

A person is having problems with calcium and phosphorus metabolism in his body. Which one of the following glands may not be functioning properly ?A. ParathyroidB. ParotidC. PancreasD. Thyroid

Answer» Correct Answer - A
105.

`Ca^(2+)` level in body is controleed byA. thyroid glandB. parathyroid glandC. adrenal glandD. both a and b

Answer» Correct Answer - D
`Ca^(2+)` level in the body is controlled by both thyroid gland and pararthyroid gland. Thyroid gland secretes a hormone. Thyrocalcitonin which checks the excess blood calcium levels. Parathyroid gland secretes hormone calle dprathyroid hormone or parathormone which increase the `Ca^(2+)` levels in the blood.
106.

The hormone responsible for the regulation of metabolism of calcium and phosphorus is secreted byA. ThyroidB. Parathyroid and thyroid bothC. ThymusD. Pancreas

Answer» Correct Answer - B
107.

Which of the following match is correct? A. Oxytocin- Milk ejection hormone B. Glucagon- Decreases blood sugar level C. Adrenaline- Decreases heart rate D. Thyroxine- Decreases BMR

Answer» Correct Answer - A
108.

Which one of the following endocrine glands stores its secretion in the extracellular space before discharging in into the blood?A. Adrenal cortexB. PancreasC. TestisD. Thyroid

Answer» Correct Answer - D
109.

Which one of the following endocrine glands stores its secretion in the extracellular space before discharging in into the blood?A. TestisB. ThyroidC. PancreasD. Adrenal

Answer» Correct Answer - B
Thyroid gland stores its hormones in the colloid. Colloid is a homogenous material present in the thyroid follicles of thyroid gland.
110.

In hormone action, if receptor molecules are removed from target organs, the target organ willA. Continue to respond to hormoneB. Not respond to hormoneC. Continue to respond but requires higher concentrationD. Continue to respond but in the opposite way

Answer» Correct Answer - B
In hormones action, if receptor molecules are removed from target organs, the target organ will not respond to hormone.
111.

According to the accepted concept of hormone action, if receptor molecules are removed from target organs, then the target organ willA. Continue to respond to the hormone without any differenceB. Not respond to the hormoneC. Continue to respond to the hormone but will require higher concentrationD. Continue to respond to the hormone but in the opposite way

Answer» Correct Answer - B
112.

As per accepted concept of hormone action, if receptor molecules are removed from target organs, the target organs willA. not respond to the hormoneB. continue to respond to hormone without any differenceC. continue to respond to the homone but in the opposite wayD. continue to respond to the hormone but will require higher concentration

Answer» Correct Answer - A
Hormones are released in normal blood circulation but each hormone stimulates only a specific targest organ to initiate a specific response. It is because of the presence of specific receptor protein only in the specific target cell. If these receptor molecules are removed from target organs, the organ will not respond to hormone.
113.

Which one of the following four glands is correctly matched with the accompanying descriptionA. Thyroid- Hyperactivity in young childeren causes cretinismB. Thymus-Starts undergoing atrophy after pubertyC. Parathyroid-secretes parathormone, which promotes move-ment of calcium ions from blood into bones during classificationD. Pancreas- Delta cells of the islets of Langerhans secrete a hormone, which stimulates glycolysis in liver

Answer» Correct Answer - B
114.

Which of the following hormone is not involved in tyrosine metabolismA. CalcitoninB. MelaninC. ThyrroxineD. Epinephrine

Answer» Correct Answer - A
115.

Which of the following hormone is not involved in tyrosine metabolismA. CalcitoninB. MelaninC. ThyroxineD. Epinephrine

Answer» Correct Answer - A
Calcitonin is not involved in tyrosine metabolism.
116.

Tadpoles of Frog can be made to grow as giant sized tadpoles, if they areA. administered antithyroid substance like thiourea B. administered large amounts of thyroxine C. reared on a diet rich in egg yolk D. reared on a diet rich in both egg yolk and glucose

Answer» Correct Answer - B
117.

Corpus luteum secretes a hormone calledA. prolactinB. progesteroneC. aldosteroneD. testosterone

Answer» Correct Answer - B
118.

An organ X has a large blood suply. It produces a hormone lack of which causes a disease called as cretenism. The cause isA. Excess growth hormoneB. Absence of insulinC. Excess adrenalinD. Hyposecretion of thyroid in childhood (Thyroxin)

Answer» Correct Answer - D
119.

In hormone action, if receptor molecules are removed from target organs, the target organ willA. continue to respond but requires higher concentration of hormoneB. continue to respond but in opposite wayC. continue to respond without any differenceD. not respond to hormone

Answer» Correct Answer - D
120.

Hormones act onA. Organ systemsB. CellsC. Target organsD. Cell recepotrs

Answer» Correct Answer - C
Hormones act on target organs.
121.

Why do endocrine glands directly release their products into the blood ?

Answer» Endocrine glands are ductless glands and their products have to act at a distant site.
122.

A peptide hormone having 28 amino acids and secreted by heart isA. atrial natriuretic factorB. erythropoietinC. oestrogenD. duocrinin

Answer» Correct Answer - A
123.

Which of the following hormone is a derivative of tyrosine?A. ThyroxineB. EpinephrineC. Nor epinephrineD. All of these

Answer» Correct Answer - D
124.

Which one of the following four glands is correctly matched with the accompanying descriptionA. Thyroid-hyperactivity in young children causes  cretinism B. Thymus-starts undergoing atrophy after puberty C. Parathyroid-secretes parathormone which  promotes movement of calcium ions from blood into bones during calcification D. Pancreas-Delta cells of the Islets of Langerhans secrete a hormone which stimulates glycolysis in liver

Answer» Correct Answer - B
125.

Which one of the following four glands is correctly matched with the accompanying descriptionA. Pancreas-Delta cells of islets of Langerhans secrete a hormone which stimulates glycolysis in liverB. Thyroid-Hyperactivity in young children causes cretinismC. Thymus-Starts undergoing atrophy after pubertyD. Parathyroid-Secretes parathormone that promotes movement of Ca ions from blood into bones during calcification

Answer» Correct Answer - C
126.

Which of the following is an amino acid derivative?A. OestrogenB. CortisolC. AndrenalineD. Testosterone

Answer» Correct Answer - C
127.

The given diagram represents the mechasim of action for two categories of hormones. Which of the following option correctly identifies the labels A to I? A. A-Steroid hormone, B-Receptor, C-Secondary messenger,D-Non-steroid hormone, E-Nucleus F-Hormone-receptor complex,G-0Genome,H-mRNA I-proteinB. A-Non-steroid hormon,B-Receptor,C-secondary messenger, D-steroid hormone,E-Nucleus, F-Hormone-receptor complex,G-genome, H-mRNA, I-proteinC. A-Steroid hormone, B-Receptor,C-Primary messenger D-Non-steroid hormone, E-Nucleus, F-Hormone-receptor complex, G-Genome, H-mRNA-Iprotein.D. A-steroid hormone, B-Enzyme,C-Secondary messenger, D-Non-steroid hormone,E-Nucleus, F-Hormone-receptor complex, G-Genome, H-mRNA,I-protein

Answer» Correct Answer - B
128.

Which one of the following pairs is the correctly matched pair of the organ and the hormone it secretes?A. Thyroid - EpinephrineB. Alpha cells of pancreas - GlucagonC. Anterior pituitary - AdrenalineD. Stomach epithelium - Secratin

Answer» Correct Answer - B
129.

Enteroendocrine glands are present inA. StomachB. IntestineC. OesophagusD. Both A and B

Answer» Correct Answer - D
Enteroendocrine glands are present in stomach and intestine.
130.

Which of the following hormones of the human body regulates the blood calcium and phosphate?A. GlucagonB. Growth hormoneC. Parathyroid hormoneD. Thyroxine

Answer» Correct Answer - C
131.

Hormone secretin is produced byA. StomachB. LiverC. IntestineD. Pancreas

Answer» Correct Answer - C
Hormone secretin is produced by intestine
132.

Which one of the following flows directly into blood from the seat of its production to act on organ away from itA. EnzymeB. Hormone (Renin)C. BloodD. Lymph

Answer» Correct Answer - B
133.

Given below is an incomplete table about certain hormones , their source glands and one major effect of each on the body in humans . Identify the correct option for the three blanks A, B and C : `{:("Gland" , "Secretion" , "Effect on Body"), ("A" , "Oestrogen" , "Maintenance of secondary sexual characters"), ("Alpha cells of Islets of " , "B", "Raises blood sugar level"), ("Langerhans Anterior pituitary" , "C", "Over secretion leads to gigantism"):}`A. `{:(A,B,C),("Placenta","Insulin","Vasopressin"):}`B. `{:(A,B,C),("Ovary","Insulin","Calcitonin"):}`C. `{:(A,B,C),("Placenta","Glucagon","Calcitonin"):}`D. `{:(A,B,C),("Ovary","Glucagon","Growth hormone"):}`

Answer» Correct Answer - D
134.

Select the correctly mathched pair.A. `{:("Pineal galnd",-,"Does not influence menstrual cycle"),("Corpus luteum",-,"Secretes oxytocin"),("Intersitial cells",-,"Erythropoietic"),("Cholecystokinin",-,"Stimulates pancreatic enzyme secretions"):}`B. `{:("Pineal galnd",-,"Does not influence menstrual cycle"),("Corpus luteum",-,"Secretes oxytocin"),("Intersitial cells",-,"Erythropoietic"),("Cholecystokinin",-,"Stimulates pancreatic enzyme secretions"):}`C. `{:("Pineal galnd",-,"Does not influence menstrual cycle"),("Corpus luteum",-,"Secretes oxytocin"),("Intersitial cells",-,"Erythropoietic"),("Cholecystokinin",-,"Stimulates pancreatic enzyme secretions"):}`D. `{:("Pineal galnd",-,"Does not influence menstrual cycle"),("Corpus luteum",-,"Secretes oxytocin"),("Intersitial cells",-,"Erythropoietic"),("Cholecystokinin",-,"Stimulates pancreatic enzyme secretions"):}`

Answer» Correct Answer - D
`{:("Pineal gland",-,"Influences menstrual cycle"),("Corpus lutenum",-,"Secretes progeterone"),("Interstitial cells",-,"Secrete androgens"),("Cholecystokinin",-,"Stimulates pancreatic enzyme secretion"):}`
135.

The amino acid derivative among the following hormone isA. insulinB. epinephrineC. oeastradiolD. testosterone

Answer» Correct Answer - B
136.

What is the correct to say about the hormone action in humans?A. Glucagon is secreted by `beta-`cells of islets of Langerhans and stimulated glycogenolysis.B. Secretion of thymosin is stimulated with aging.C. In females, FSH first binds with specific receptors on ovarian cell membrane.D. FSH stimulates the secretion of androgens.

Answer» Correct Answer - C
Mechanism of hormone action is not the same in all categories of hormones. These hormones bind with the specific receptors located in their target tissues. Hormone receptor is of two types: membrane bound receptor and intracelular receptor. FSH is a proteinaceous hormone, has large molecular weight and is insoluble in lipids, therefore, it cannot enter the target cell . Thus, it binds with the membrane bound receptor present on ovarian cell membrane
137.

Match the following Columns. A. `{:(A,B,C,D),(4,1,3,2):}`B. `{:(A,B,C,D),(1,3,2,4):}`C. `{:(A,B,C,D),(1,3,4,2):}`D. `{:(A,B,C,D),(3,1,2,4):}`

Answer» Correct Answer - C
138.

Match the following Columns. A. `{:(A,B,C,D),(4,1,2,3):}`B. `{:(A,B,C,D),(2,1,4,3):}`C. `{:(A,B,C,D),(4,1,3,2):}`D. `{:(A,B,C,D),(2,3,4,1):}`

Answer» Correct Answer - D
139.

Match the columns I and II, and choose the correct combination from the options given. A. a-7 and 8, b-4 and 6, c-1 and 5, d-3 and 2B. a-1,7 and 8, b-2,4 and 6, c-5, d-3C. a-2,4 and 6, b-2,7 and 8, c-3, d-5D. a-1,5 and 6, b-2,7 and 8, c-5, d-3

Answer» Correct Answer - B
On the basis of their chemical nature, hormones can be divided into groups:
(i) Peptide, polypeptide, protein hormones (e.g., insulin, glucagon, pituitary hormones, hypothalamic hormones, etc.), TCT, PTH, Thymosins
(ii) Steroids, e.g., cortisol, testosterone, estradiol and progesterone, Aldosterone.
.Steroid hormones are derived from cholesterol
..Effect of steroid hormones is slow and long lasting
(iii) Iodothyronines (thyroid hormones: Thyroxine)-Derivative of tyrosine.
iv) Amino-acid derivatives (e.g., epinephrine)-Derivative of tyrosine.
140.

Intracellular receptors arc found in a. Protein/peptide hormones b. Steroid hormones c. IodothyroniesA. a and cB. a and bC. b and cD. a only

Answer» Correct Answer - C
Hormones which interact with intracellular receptors (eg., steroid hormones, iodothyronines, etc.) mostly regulate gene expression the interaction of hormone-receptor complex with the genome. Cumulative biochemical actions result in physiological and developmental effects.
141.

Which of the following hormones is not secreted by anterior pituitary?A. Growth hormoneB. Follicle stimulating hormoneC. OxytocinD. Adrenocorticotrophic hormone

Answer» Correct Answer - C
Oxytocin is secreted by the posterior lobe of pituitary gland.
142.

Which of the following hormones is not secreted by anterior pituitary?A. Growth hormoneB. Follicle stimulating hormoneC. OxytocinD. Adrenacorticotropic hormone

Answer» Correct Answer - C
143.

Name the three types of corticoids.

Answer» Glucocorticoids, mineralocorticoids and sexcorticoids.
144.

Which of the following statements is correct in relation to the endocrine system.A. Adenohypophysis is under direct neural regulation of the hypothalamusB. Organs in the body like gastrointestinal ract, heart, kidney and liver do not produce any hormonesC. Non-nutrient chemicals produced by the body in trace amount that act as intercellular messenger are known as hormonesD. Releasing and inhibitory hormones are produced by the pituitary gland

Answer» Correct Answer - C
Hormones are non-nutrient chemicals, which act as intracellular messengers and are produced in trace amounts. Endocine cells are present in different parts of the gastrointestinal tract, e.g., gastrin, secretion, GIP.
Atrial wall of our heart secretes a peptide hormone called ANF (Atrial Natriuretic Factor), RH//IH are produced by hypothalamus. Adenohypophysis is not direct under neural control. it is under the control of hypothalamic hormones, brought by portal system.
145.

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

Answer» Correct Answer - A
146.

Assertion : Diabetes insipidus iS marked by excessive urination and too much thirst for water . Reason : Anti-diuretic hormone (ADH) is secreted by the posterior lobe of pituitary gland .A. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1).B. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion then mark (2).C. If Assertion is true statement but Reason is false, then mark (3).D. If both Assertion and Reason are false statements, then mark (4)

Answer» Correct Answer - B
147.

Assertion : Diabetes insipidus iS marked by excessive urination and too much thirst for water . Reason : Anti-diuretic hormone (ADH) is secreted by the posterior lobe of pituitary gland .A. If both A and R are true and R is the correct explanation of A.B. If both A and R are true but R is not the correct explanation of A.C. If A is true but R is false.D. If both A and R are false.

Answer» Correct Answer - A
148.

Assertion : Diabetes insipidus iS marked by excessive urination and too much thirst for water . Reason : Anti-diuretic hormone (ADH) is secreted by the posterior lobe of pituitary gland .A. If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion, then mark a.B. If both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion, then mark a.C. If Assertion is true statement but Reason is false, then mark c.D. If both Assertion and Reason are false statements, then mark d.

Answer» Correct Answer - B
149.

What is the major role of parathormone ?

Answer» Parathormone regulates the circulating leves of calcium ions in blood.
150.

Consider the following 1.Vasopressin deficiency 2. Insulin deficiency 3. Vasopressin hypersecretion Which of the above causes polyuria ?A. 1 onlyB. 1 and 2C. 3 onlyD. 2 and 3

Answer» Correct Answer - B