Chemical coordination b) The hypothalamus contains B neurosecretory cells which
produce hormones.
1) Invertebrates possess very …A… endocrine systems with
c) Gonadotropin releasing hormone (GnRH) stimulates the
…B… hormones, whereas …C… number of chemicals act as
release of gonadotropins by pituitary gland.
hormones and provide coordination in the vertebrates.
d) Somatostatin stimulates the secretion of growth hormone
Here A to C refers to
from the pituitary gland
a) A-complex, B-many, C-few
9) The pituitary gland is located in a bony cavity called
b) A-complex, B-many, C-large
_______ and is attached to _________ by a stalk
c) A-simple, B-few, C-large
a) Sella tursica, hypothalamus
d) A-Complex, B-few, C-large
b) Sella tursica, cerebrum
2) Hormones are non-nutrients chemicals which act as
c) Sella tursica, thyroid
messengers and are produced in amount.
d) Sella tursica, pineal
a) Intracellular, large
b) Intercellular, large 10) Read the following statements and find out the incorrect
c) Intracellular, small statements.
d) Intercellular, trace
a.Adenohypophysis consists of two portions, pars distalis and pars
3) The total islets of Langerhans in human pancreas are
intermedia. However, in humans, the pars intermedia is almost
a) 1-2 billion b) 1-2 million
merged with pars distalis.
c) 5-6 lakhs d) 1-2 lakhs
b. The pars distalis is called anterior pituitary and pars intermedia
4) Pars distalis region of pituitary does not produce these called posterior pituitary.
hormones
c. Neurohypophysis is called a pars nervosa and store and release
I. Melanocyte stimulating hormone
two hormones called oxytocin and vasopressin (ADH).
II. Vasopressin III. Prolactin
IV. Growth hormone d. Anterior pituitary releases 9 hormones and pars intermedia
a) III only b) I and IV only releases only one hormone (MSH).
c) II and IV only d) I and II only e. Pars distaliss produces GH, PRL, TSH, ACTH, LH and F SH.
5) Which of the following gland in our body controls the 1) A and B 2) B and D 3) D and E 4) C and D
biological clock in the human body?
a) Pitutary gland b) Thyroid gland 11) Stimulates the synthesis and secretion of steroid
hormones called glucocorticoids from the adrenal cortex.
c) Pineal gland d) Parathyroid gland 1. Thyroid stimulating Hormone (TSH)
2. Luteinizing hormone (LH)
6) Match the following from Column 1 and Column 2.
3. Follicle stimulating hormone (FSH)
Column 1 Column 2
4. Adrenocorticotrophic hormone (ACTH)
A. Melatonin i. Swelling of the thyroid gland 12) Assertion :Corpus luteum is produced by Graffian follicle
after ovulation.
B. Cretinism ii.Increased rate of synthesis and
secretion of the thyroid hormones Reason: It secretes oestrogen which is necessary to maintain
pregnancy.
C. Hyperthyroidism iii. Defective development
a) Both Assertion and Reason are correct A and Reason is the
and maturation of the growing baby
correct explanation for Assertion.
leading to stunted growth b) Both Assertion and Reason are correct B but Reason is not
the correct explanation for Assertion.
D. Goitre iv. Regulates the diurnal rhythm of the body c) Assertion is correct but Reason is incorrect.
d) Both Assertion and Reason are incorrect.
a) A- iv, B- ii, C-i, D-iii b) A-ii, B-iv, C-iii, D-i
13) Thyroxine and tri-iodothyronine are produced by:
c) A-i, B-iii, C-ii, D-iv d) A-iv, B-iii, C- ii, D-i A. Parafollicular cells
B. The parathyroid glands
7) Which is not a function of thyroid hormone? C. Follicle cells of the thyroid
a) Regulation of basal metabolic rate D. Alpha cells of the pancreas
b) Controls metabolism of carbohydrates, proteins and fats 14) Cretinism, mental retardation low intelligence quotient,
c) Maintains water and electrolyte balance abnormal skin, and deaf-mutism are the results of–
d) Regulates the diurnal rhythm a) Hyperthyroidism b) Goitre
8) Which of the following statement is incorrect?
a) The hypothalamus is present A at the basal part of c) Hypothyroidism d) Both (b) and (c)
diencephalon
15) Select which is not correct statement regarding the c) Androgens play a major stimulatory role in the
thymus gland. process of spennatogenesis. Androgens acts on the
a) It is a lobular structure located behind sternum on the CNS and influence the male sexual behaviour libido
dorsal side of aorta. d) Androgens produce anabolic (synthetic) effects on
b) It plays a major role in the development of the immune protein and carbohydrate metabolism.
system. 22) Assertion: Oestrogen produces wide ranging actions such
c) It secretes the peptide hormones called thymosins. as stimulation of growth and activities of female
d) It undergoes degeneration with increasing age. secondary sex organs, appearance of female secondary
16) Assertion: Adrenaline is known as the fight, fright, and sex characters, development of growing ovarian follicles
flight hormones. and mammary gland development.
Reason: The hormone adrenaline helps the body to combat Reason: Progesterone acts on the mammary glands and
stress and emergency condition. stimulates the formation of alveoli (sac- like structure
which store milk) and milk secretion.
a) If both Assertion and Reason are correct and Reason is the
correct explanation of Assertion. a) If both assertion and reason are true and the reason is the
b) If both Assertion and Reason are correct but the Reason is correct explanation of the assertion.
not the correct explanation of Assertion. b) If both assertion and reason are true but reason is not the
c) If Assertion is correct but Reason is incorrect. correct explanation of the assertion.
d) If Assertion is incorrect but Reason is correct. c) If assertion is true but reason is false.
17) Assertion: Catecholamines increases the concentration of d) If both assertion and reason are false
glucose in blood. 23) Which hormone among these is not secreted by an
endocrine gland?
Reason: Catecholamines stimulates the glycogenolysis.
a) MSH b) PTH c) T4 d) ANF
a) If both assertion and reason are true and the reason is the 24) Which one of the following hormones also produces anti-
correct explanation of the assertion. inflammatory reactions in man and suppresses the
b) If both assertion and reason are true but reason is not the immune response in addition to its primary functions?
correct explanation of the assertion. a) Cortisol b) Thymosin
c) If assertion is true but reason is false.
c) Thyrocalcitonin d) Erythropoieitin
d) If both assertion and reason are false
18) Which of the following is not a function of glucocorticoid? 25) The given diagram represents the mechanism of action for
a) Stimulates RBC production two categories of hormones. Which of the following
b) Stimulates gluconeogenesis options correctly identifies the labels A to I?
c) Produces anti-inflammatory reactions
d) Stimulates reabsorption of water
19) Assertion [A]: Glucagon lowers the blood sugar level.
Reason [R]: Insulin converts the glycogen stored in the
liver to glucose.
a) Assertion [A] is True and Reason [R] is False.
b) Reason [R] is True and Assertion [A] is False.
c) Assertion [A] is True and Reason [R] is True and is a
correct explanation to [A].
d) Assertion [A] is True and Reason [R] is True but is the
incorrect explanation to [A]. i. A-Steroid hormone, B-Receptor, C-Secondary messenger, D-Non-
20) Name a peptide hormone which acts mainly on steroid hormone, E-Nucleus, F-Hormone-receptor complex, G-
hepatocytes and adipocytes and enhances cellular glucose Genome, H-mRNA, I-Protein
uptake and utilisation. ii. A-Non-steroid hormone, B-Receptor, C-Secondary messenger, D-
a) Insulin b) Glucagon c) Aldosterone d) Adrenaline Steroid hormone, E-Nucleus, F-Hormone-receptor complex, G-
21) Which of the following is incorrect about androgen Genome, H-mRNA, I-Protein
testosterone? iii. A-Steroid hormone, B-Receptor, C-Primary messenger, D-Non-
a) Androgens regulate the development, maturation and steroid hormone, E-Nucleus, F-Hormone-receptor complex, G-
functions of the male accessory sex organs like Genome, H-mRNA, I-Protein
epididymis, vas deferens, seminal vesicles, prostate iv. A-Steroid hormone, B-Enzyme, C-Secondary messenger, D-Non-
gland, urethra, etc. steroid hormone, E-Nucleus, F-Hormone-receptor complex, G-
b) Androgens stimulate muscular growth, growth of Genome, H-mRNA, I-Protein
facial and axillary hair, aggressiveness, high pitch of
voice, etc
