Exam Question for Class 11 Biology Chapter 22 Chemical Coordination and Integration
Objective Type Questions
Question. Glycogenesis is the result of the hormone secreted from
(a) alpha cells of pancreas.
(b) beta cells of pancreas.
(c) thyroid gland.
(d) adrenal gland.
Question. Blood glucose level in man is regulated by
(a) insulin only
(c) glucagon and insulin
(d) all of the above
Question. In human, testosterone is produced by
(a) tunica albuginea
(b) leydig cell
(c) seminiferous tubule
(d) sertoli cell
Question. During pregnancy corpus luteum
(b) changes to corpus albicans.
(c) persists until parturition.
(d) persists upto the middle of pregnancy.
Question. Secretion of which of the following structure is responsible in preparing the inner wall of uterus for implantation ?
(b) Pituitary gland
(c) Corpus luteum
(d) Ovarian follicle
Question. The hormone secretin is produced in
(a) pancreas and influences conversion of glycogen into glucose.
(b) small intestine and stimulates pancreas.
(c) adrenal glands and accelerates heartbeat.
(d) testes and produces male secondary sexual characters.
Question. Which one of the following is not a second messenger in hormone action ?
Question. Which one of the following pairs of hormones are the examples of those that can easily pass through the cell membrane of the target cell and bind to a receptor inside it (mostly in the nucleus) ?
(a) Somatostatin, Oxytocin
(b) Cortisol, Testosterone
(c) Insulin, Glucagon
(d) Thyroxine, Insulin
Assertion/Reason Type Questions
In the following questions, a statement of Assertion is followed by a statement of Reason.
(a) If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
(b) If both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
(c) If Assertion is true but Reason is false.
(d) If both Assertion and Reason are false.
Question. Assertion : Mammary glands are apocrine glands.
Reason : The distal part containing secretory granules break down and leaves as a secretion.
Question. Assertion : The person with diabetes insipidus feels thirsty.
Reason : A person with diabetes insipidus suffers from excess secretion of vasopressin.
Question. Assertion : Histamine is involved in allergic and inflammatory reactions.
Reason : Histamine is a vasodilator.
Matching Type Questions
Question. Which one of the following four glands is correctly matched with the accompanying description?
(a) 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 Islets of Langerhans secrete a hormone which stimulates glycolysis in liver.
Question. Column-I lists the endocrine structure and column-II lists the corresponding hormones. Match the two columns and identify the correct option given below.
|A. Hypothalamus||I. Relaxin|
|B. Anterior pituitary||II. Estrogen|
|C. Testis||III. FSH and LH|
|D. Ovary||IV. Testosterone|
|V. Gonadotropin releasing hormone|
(a) A – V, B – III, C – IV, D – II
(b) A – V, B – III, C – II, D – IV
(c) A – I, B – II, C – IV, D – III
(d) A – III, B – V, C – IV, D – II.
Question. Which one of the following pairs is incorrectly matched?
(a) Insulin–Diabetes mellitus (disease)
(b) Glucagon–Beta cells (source)
(c) Somatostatin–Delta cells (source)
(d) Corpus luteum–Relaxin (secretion)
Question. Which of the following pair of hormone and their disorder is correctly matched ?
(a) Parathormone – Cretinism
(b) Thyroxine – Ricket
(c) Insulin – Diabetes insipidus
(d) Cortisol – Cushing’s disease
Question. Match the following hormones given in column I with their appropriate category of hormones given in column II.
|A. FSH and LH||I. Glucocorticoids|
|B. Cortisol||II. Mineralocorticoids|
|C. Androgen||III. Gonadotropins|
|D. Aldosterone||IV. Gonadocorticoids|
(a) A – III, B – I, C – IV, D – II
(b) A – I, B – II, C – III, D – IV
(c) A – II, B – III, C – IV, D – I
(d) A – IV, B – II, C – I, D – III
Critical Thinking Type Questions
Question. Identify a hormone which is produced by the pituitary gland in both males and females but functional only in females.
(d) Somatotropic hormone
Question. Some glands produce hormones that stimulate other endocrine glands. Which of the following hormones specifically acts to trigger secretion of hormones by another endocrine gland?
(c) Adrenocorticotropic hormone (ACTH)
(d) Antidiuretic hormone (ADH)
Question. In the homeostatic control of blood sugar level, which organs function respectively as modulator and effector?
(a) Liver and islets of langerhans
(b) Hypothalamus and liver
(c) Hypothalamus and islets of langerhans
(d) Islets of langerhans and hypothalamus
Question. The hormones that initiate ejection of milk, stimulates milk production and growth of ovarian follicles, are respectively known as
(a) PRL, OT and LH
(b) OT, PRL and FSH
(c) LH, PRL and FSH
(d) PRH, OT and LH
Question. Feeling the tremors of an earthquake a scared resident of seventh floor of a multistoryed building starts climbing down the stairs rapidly. Which hormone initiated this action?
Question. A pregnant female deliver a baby who suffers from stunted growth, mental retardation/low intelligence quotient and abnormal skin. This is the result of
(a) low secretion of growth hormone
(b) cancer of the thyroid gland
(c) over secretion of pars distalis
(d) deficiency of iodine in diet
Question. In a normal pregnant woman, the amount of total gonadotropin activity was assessed. The result expected was
(a) high levels of FSH and LH in uterus to stimulate endometrial thickening.
(b) high level of circulating HCG to stimulate estrogen and progesterone synthesis.
(c) high level of circulating FSH and LH in the uterus to stimulate implantation of the embryo.
(d) high level of circulating HCG to stimulate endometrial thickening.
Question. When the B.P. is high and over loading of heart is present then which hormone is released for compensating this mechanism ?
(c) Atri-natriuretic factor
Question. Pick the odd one out from each given words and then matches it with correct options.
I. Thyroid, Adrenal, Pituitary, Prostate
II. Cretinism, Goitre, Myxodema, Scurvy
III. Insulin, Blood sugar, Adrenaline, Thyroxine
IV. Estrogen, Progesterone, Testosterone, Prolactin
(a) I- Prostate, II – Scurvy, III – Blood sugar, IVTestosterone
(b) I – Adrenal, II – Goitre, III – Insulin, IV – Prolactin
(c) I – Thyroid, II – Cretinism, III – Adrenaline, IV – Estrogen
(d) I – Pituitary, II – Myxodema, III – Thyroxine, IV – Progesterone
Question. Which of the following sets of vertebrate hormones are all produced in the anterior pituitary gland ?
(a) Somatostatin, Vasopressin, Insulin
(b) Prolactin, Growth hormone, Enkephalins
(c) Oxytocin, Prolactin, Adrenocorticotropin
(d) Estrogen, Progesterone, Testosterone
Question. Which of the following represent the correct options?
Name of the gland Substance produced Function
A Insulin C
B Glucagon D
(a) A – Alpha cells, B – Hyperglycemia, C – Beta cells, D – Hypoglycemia
(b) A – Beta cells, B – Alpha cells, C – Hypoglycemia, D – Hyperglycemias
(c) A – Alpha cells, B – Hypoglycemia , C – Beta cells, D – Hyperglycemia
(d) A – Beta cells, B – Alpha cells, C – Hyperglycemia, D – Hypoglycemia