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123 123 123 123 123
123 123 123 123 123 123 123 CHEMICAL COORDINATION AND INTEGRATION
CHAPTER 22
CHEMICAL C OORDINATION AND
INTEGRATION
MULTIPLE CHOICE QUESTIONS
1. Select the right match of endocrine gland and their hormone among the
options given below
A. Pineal      i. Epinephrine
B. Thyroid ii. Melatonin
C. Ovary iii. Estrogen
D. Adrenal medulla iv. Tetraiodothyronine
Options:
a. A-iv, B-ii, C-iii, D-i
b. A-ii, B-iv, C-i, D-iii
c. A-iv, B-ii, C-i, D-iii
d. A-ii, B-iv, C-iii, D-i
2. Which of the following hormones is not sereted by anterior pit.
a. Growth hormone
b. Follicle stimulating hormone
c. Oxytocin
d. Adrenocorticotrophic hormone
3. Mary is about to face an interview. But during the first five minutes
before the interview she experiences sweating, increased rate of heart
beat, respiration etc. Which of the following hormones are responsible
for her restlessness?
a. Estrogen and progesterone
b. Oxytocin and vasopressin
c. Adrenaline and noradrenaline
d. Insulin and glucagon
18-04-2018
Page 2


123 123 123 123 123
123 123 123 123 123 123 123 CHEMICAL COORDINATION AND INTEGRATION
CHAPTER 22
CHEMICAL C OORDINATION AND
INTEGRATION
MULTIPLE CHOICE QUESTIONS
1. Select the right match of endocrine gland and their hormone among the
options given below
A. Pineal      i. Epinephrine
B. Thyroid ii. Melatonin
C. Ovary iii. Estrogen
D. Adrenal medulla iv. Tetraiodothyronine
Options:
a. A-iv, B-ii, C-iii, D-i
b. A-ii, B-iv, C-i, D-iii
c. A-iv, B-ii, C-i, D-iii
d. A-ii, B-iv, C-iii, D-i
2. Which of the following hormones is not sereted by anterior pit.
a. Growth hormone
b. Follicle stimulating hormone
c. Oxytocin
d. Adrenocorticotrophic hormone
3. Mary is about to face an interview. But during the first five minutes
before the interview she experiences sweating, increased rate of heart
beat, respiration etc. Which of the following hormones are responsible
for her restlessness?
a. Estrogen and progesterone
b. Oxytocin and vasopressin
c. Adrenaline and noradrenaline
d. Insulin and glucagon
18-04-2018
124 BIOLOGY, EXEMPLAR PROBLEMS
4. The steroid responsible for balance of water and electrolytes in our body is
a. Insulin
b. Melatonin
c. Testosterone
d. Aldosterone
5. Thymosin is responsible for
a. Raising the blood sugar level
b. Raising the blood calcium level
c. Differentiation of T lymphocytes
d. Decrease in blood RBC
6. In the mechanism of action of a protein hormone, one of the second
messengers is
a. Cyclic AMP
b. Insulin
c. T
3
d. Gastrin
7. Leydig cells produce a group of hormones called
a. Androgens
b. Estrogens
c. Aldosterone
d. Gonadotropins
8. Corpus luteum secretes a hormone called
a. Prolactin
b. Progesterone
c. Aldosterone
d. Testosterone
9. Cortisol is secreted by
a. Pancrease
b. Thyroid
c. Adrenal
d. Thymus
10. A hormone responsible for normal sleep-wake cycle is
a. Epinephrine
b. Gastrin
c. Melatonin
d. Insulin
18-04-2018
Page 3


123 123 123 123 123
123 123 123 123 123 123 123 CHEMICAL COORDINATION AND INTEGRATION
CHAPTER 22
CHEMICAL C OORDINATION AND
INTEGRATION
MULTIPLE CHOICE QUESTIONS
1. Select the right match of endocrine gland and their hormone among the
options given below
A. Pineal      i. Epinephrine
B. Thyroid ii. Melatonin
C. Ovary iii. Estrogen
D. Adrenal medulla iv. Tetraiodothyronine
Options:
a. A-iv, B-ii, C-iii, D-i
b. A-ii, B-iv, C-i, D-iii
c. A-iv, B-ii, C-i, D-iii
d. A-ii, B-iv, C-iii, D-i
2. Which of the following hormones is not sereted by anterior pit.
a. Growth hormone
b. Follicle stimulating hormone
c. Oxytocin
d. Adrenocorticotrophic hormone
3. Mary is about to face an interview. But during the first five minutes
before the interview she experiences sweating, increased rate of heart
beat, respiration etc. Which of the following hormones are responsible
for her restlessness?
a. Estrogen and progesterone
b. Oxytocin and vasopressin
c. Adrenaline and noradrenaline
d. Insulin and glucagon
18-04-2018
124 BIOLOGY, EXEMPLAR PROBLEMS
4. The steroid responsible for balance of water and electrolytes in our body is
a. Insulin
b. Melatonin
c. Testosterone
d. Aldosterone
5. Thymosin is responsible for
a. Raising the blood sugar level
b. Raising the blood calcium level
c. Differentiation of T lymphocytes
d. Decrease in blood RBC
6. In the mechanism of action of a protein hormone, one of the second
messengers is
a. Cyclic AMP
b. Insulin
c. T
3
d. Gastrin
7. Leydig cells produce a group of hormones called
a. Androgens
b. Estrogens
c. Aldosterone
d. Gonadotropins
8. Corpus luteum secretes a hormone called
a. Prolactin
b. Progesterone
c. Aldosterone
d. Testosterone
9. Cortisol is secreted by
a. Pancrease
b. Thyroid
c. Adrenal
d. Thymus
10. A hormone responsible for normal sleep-wake cycle is
a. Epinephrine
b. Gastrin
c. Melatonin
d. Insulin
18-04-2018
125 125 125 125 125
125 125 125 125 125 125 125 CHEMICAL COORDINATION AND INTEGRATION
11. Hormones are called chemical signals that stimulate specific target
tissues. Their action depends on the presenc3e of receptors on the
respective target tissues. Which of the following is the correct location of
the receptors in the case of protein hormones?
a. Extra cellular matrix
b. Blood
c. Plasma membrane
d. Nucleus
12. Choose the correct option among the following options
Coloumn I Column II
A. Epinephrine i. Stimulates muscle growth
B. Testosterone ii. Decrease in blood pressure
C. Glucagon iii. Breakdown of liver glycogen
content
D. Atrial natriuretic factor iv. Increases heart beat
Options:
a. A-ii, B-i, C-iii, D-i
b. A-iv, B-i, C-iii, D-ii
c. A-i, B-ii, C-iii, D-iv
d. A-i, B-iv, C-ii, D-iii
13. Which of the following organs in mammals does not consist of a central
incalcium balance in the human body?
a. Vitamin D
b. Parathyroid hormone
c. Thyrocalcitonin
d. Thymosin
14. Which of the following organs in mammals does not consist of a central
meduallary’ region surrounded by a cortical region?
a. Ovary
b. Adrenal
c. Liver
d. Kidney
15. Which of the following conditions is not linked to deficiency of thyroid
hormones?
18-04-2018
Page 4


123 123 123 123 123
123 123 123 123 123 123 123 CHEMICAL COORDINATION AND INTEGRATION
CHAPTER 22
CHEMICAL C OORDINATION AND
INTEGRATION
MULTIPLE CHOICE QUESTIONS
1. Select the right match of endocrine gland and their hormone among the
options given below
A. Pineal      i. Epinephrine
B. Thyroid ii. Melatonin
C. Ovary iii. Estrogen
D. Adrenal medulla iv. Tetraiodothyronine
Options:
a. A-iv, B-ii, C-iii, D-i
b. A-ii, B-iv, C-i, D-iii
c. A-iv, B-ii, C-i, D-iii
d. A-ii, B-iv, C-iii, D-i
2. Which of the following hormones is not sereted by anterior pit.
a. Growth hormone
b. Follicle stimulating hormone
c. Oxytocin
d. Adrenocorticotrophic hormone
3. Mary is about to face an interview. But during the first five minutes
before the interview she experiences sweating, increased rate of heart
beat, respiration etc. Which of the following hormones are responsible
for her restlessness?
a. Estrogen and progesterone
b. Oxytocin and vasopressin
c. Adrenaline and noradrenaline
d. Insulin and glucagon
18-04-2018
124 BIOLOGY, EXEMPLAR PROBLEMS
4. The steroid responsible for balance of water and electrolytes in our body is
a. Insulin
b. Melatonin
c. Testosterone
d. Aldosterone
5. Thymosin is responsible for
a. Raising the blood sugar level
b. Raising the blood calcium level
c. Differentiation of T lymphocytes
d. Decrease in blood RBC
6. In the mechanism of action of a protein hormone, one of the second
messengers is
a. Cyclic AMP
b. Insulin
c. T
3
d. Gastrin
7. Leydig cells produce a group of hormones called
a. Androgens
b. Estrogens
c. Aldosterone
d. Gonadotropins
8. Corpus luteum secretes a hormone called
a. Prolactin
b. Progesterone
c. Aldosterone
d. Testosterone
9. Cortisol is secreted by
a. Pancrease
b. Thyroid
c. Adrenal
d. Thymus
10. A hormone responsible for normal sleep-wake cycle is
a. Epinephrine
b. Gastrin
c. Melatonin
d. Insulin
18-04-2018
125 125 125 125 125
125 125 125 125 125 125 125 CHEMICAL COORDINATION AND INTEGRATION
11. Hormones are called chemical signals that stimulate specific target
tissues. Their action depends on the presenc3e of receptors on the
respective target tissues. Which of the following is the correct location of
the receptors in the case of protein hormones?
a. Extra cellular matrix
b. Blood
c. Plasma membrane
d. Nucleus
12. Choose the correct option among the following options
Coloumn I Column II
A. Epinephrine i. Stimulates muscle growth
B. Testosterone ii. Decrease in blood pressure
C. Glucagon iii. Breakdown of liver glycogen
content
D. Atrial natriuretic factor iv. Increases heart beat
Options:
a. A-ii, B-i, C-iii, D-i
b. A-iv, B-i, C-iii, D-ii
c. A-i, B-ii, C-iii, D-iv
d. A-i, B-iv, C-ii, D-iii
13. Which of the following organs in mammals does not consist of a central
incalcium balance in the human body?
a. Vitamin D
b. Parathyroid hormone
c. Thyrocalcitonin
d. Thymosin
14. Which of the following organs in mammals does not consist of a central
meduallary’ region surrounded by a cortical region?
a. Ovary
b. Adrenal
c. Liver
d. Kidney
15. Which of the following conditions is not linked to deficiency of thyroid
hormones?
18-04-2018
126 BIOLOGY, EXEMPLAR PROBLEMS
a. Cretinism
b. Goitre
c. Myxedema
d. Exophthalmia
VERY SHORT ANSWER TYPE QUESTIONS
1. There are many endocrine glands in human body. Name the glands
which is absent in male and the one absent in female.
2. Which of the two adrenocortical layers, zona glomerulosa and zona
reticularis lies outside enveloping the other?
3. What is erythropoiesis? Which hormone stimulate it?
4. Name the only hormone secreted by pars intermedia of the pituitary
gland.
5. Name the endocrine gland that produces calcitonin and mention the
role played by this hormone.
6. Name the hormone that helps in cell - mediated immunity.
7. What is the role of second messenger in the mechanism of protein
hormone action?
8. State whether true or false:
a. Gastrointestinal tract, kidney and heart also produce hormones.
b. Pars distalis produces six trophic hormones.
c. B-lymphocytes provide cell-mediated immunity.
d. Insulin resistance results in a disease called diabetes mellitus.
9. A patient complains of constant thirst, excessive passing of urine and
low blood pressure. When the doctor checked the patients’ blood glucose
and blood insulin level, the level were normal or slightly low. The doctor
diagnosed the condition as diabetes insupidus. But he decided to
measure one more hormone in patients blood. Which  hormone does the
doctor intend to measure?
10. Correct the following statements by replacing the term underlined.
a. Insulin is a steroid hormone.
b. TSH is secreted from the corpus luteum
c. Tetraiodothyronine is an emergency hormone.
d. The pineal gland is located on the anterior part of the kidney.
18-04-2018
Page 5


123 123 123 123 123
123 123 123 123 123 123 123 CHEMICAL COORDINATION AND INTEGRATION
CHAPTER 22
CHEMICAL C OORDINATION AND
INTEGRATION
MULTIPLE CHOICE QUESTIONS
1. Select the right match of endocrine gland and their hormone among the
options given below
A. Pineal      i. Epinephrine
B. Thyroid ii. Melatonin
C. Ovary iii. Estrogen
D. Adrenal medulla iv. Tetraiodothyronine
Options:
a. A-iv, B-ii, C-iii, D-i
b. A-ii, B-iv, C-i, D-iii
c. A-iv, B-ii, C-i, D-iii
d. A-ii, B-iv, C-iii, D-i
2. Which of the following hormones is not sereted by anterior pit.
a. Growth hormone
b. Follicle stimulating hormone
c. Oxytocin
d. Adrenocorticotrophic hormone
3. Mary is about to face an interview. But during the first five minutes
before the interview she experiences sweating, increased rate of heart
beat, respiration etc. Which of the following hormones are responsible
for her restlessness?
a. Estrogen and progesterone
b. Oxytocin and vasopressin
c. Adrenaline and noradrenaline
d. Insulin and glucagon
18-04-2018
124 BIOLOGY, EXEMPLAR PROBLEMS
4. The steroid responsible for balance of water and electrolytes in our body is
a. Insulin
b. Melatonin
c. Testosterone
d. Aldosterone
5. Thymosin is responsible for
a. Raising the blood sugar level
b. Raising the blood calcium level
c. Differentiation of T lymphocytes
d. Decrease in blood RBC
6. In the mechanism of action of a protein hormone, one of the second
messengers is
a. Cyclic AMP
b. Insulin
c. T
3
d. Gastrin
7. Leydig cells produce a group of hormones called
a. Androgens
b. Estrogens
c. Aldosterone
d. Gonadotropins
8. Corpus luteum secretes a hormone called
a. Prolactin
b. Progesterone
c. Aldosterone
d. Testosterone
9. Cortisol is secreted by
a. Pancrease
b. Thyroid
c. Adrenal
d. Thymus
10. A hormone responsible for normal sleep-wake cycle is
a. Epinephrine
b. Gastrin
c. Melatonin
d. Insulin
18-04-2018
125 125 125 125 125
125 125 125 125 125 125 125 CHEMICAL COORDINATION AND INTEGRATION
11. Hormones are called chemical signals that stimulate specific target
tissues. Their action depends on the presenc3e of receptors on the
respective target tissues. Which of the following is the correct location of
the receptors in the case of protein hormones?
a. Extra cellular matrix
b. Blood
c. Plasma membrane
d. Nucleus
12. Choose the correct option among the following options
Coloumn I Column II
A. Epinephrine i. Stimulates muscle growth
B. Testosterone ii. Decrease in blood pressure
C. Glucagon iii. Breakdown of liver glycogen
content
D. Atrial natriuretic factor iv. Increases heart beat
Options:
a. A-ii, B-i, C-iii, D-i
b. A-iv, B-i, C-iii, D-ii
c. A-i, B-ii, C-iii, D-iv
d. A-i, B-iv, C-ii, D-iii
13. Which of the following organs in mammals does not consist of a central
incalcium balance in the human body?
a. Vitamin D
b. Parathyroid hormone
c. Thyrocalcitonin
d. Thymosin
14. Which of the following organs in mammals does not consist of a central
meduallary’ region surrounded by a cortical region?
a. Ovary
b. Adrenal
c. Liver
d. Kidney
15. Which of the following conditions is not linked to deficiency of thyroid
hormones?
18-04-2018
126 BIOLOGY, EXEMPLAR PROBLEMS
a. Cretinism
b. Goitre
c. Myxedema
d. Exophthalmia
VERY SHORT ANSWER TYPE QUESTIONS
1. There are many endocrine glands in human body. Name the glands
which is absent in male and the one absent in female.
2. Which of the two adrenocortical layers, zona glomerulosa and zona
reticularis lies outside enveloping the other?
3. What is erythropoiesis? Which hormone stimulate it?
4. Name the only hormone secreted by pars intermedia of the pituitary
gland.
5. Name the endocrine gland that produces calcitonin and mention the
role played by this hormone.
6. Name the hormone that helps in cell - mediated immunity.
7. What is the role of second messenger in the mechanism of protein
hormone action?
8. State whether true or false:
a. Gastrointestinal tract, kidney and heart also produce hormones.
b. Pars distalis produces six trophic hormones.
c. B-lymphocytes provide cell-mediated immunity.
d. Insulin resistance results in a disease called diabetes mellitus.
9. A patient complains of constant thirst, excessive passing of urine and
low blood pressure. When the doctor checked the patients’ blood glucose
and blood insulin level, the level were normal or slightly low. The doctor
diagnosed the condition as diabetes insupidus. But he decided to
measure one more hormone in patients blood. Which  hormone does the
doctor intend to measure?
10. Correct the following statements by replacing the term underlined.
a. Insulin is a steroid hormone.
b. TSH is secreted from the corpus luteum
c. Tetraiodothyronine is an emergency hormone.
d. The pineal gland is located on the anterior part of the kidney.
18-04-2018
127 127 127 127 127
127 127 127 127 127 127 127 CHEMICAL COORDINATION AND INTEGRATION
11. Rearrange the following hormones in Column I so as to match with their
chemical nature in Column II.
Column I   Column II
a. Oxytocin i. Aminoacid derivative (     )
b. Epinephrine ii. Steroid (     )
c. Progesterone iii. Protein (     )
d. Growth hormone iv. Peptide (     )
SHORT ANSWER TYPE QUESTIONS
1. What is the role-played by luteinizing hormones in males and females
respectively?
2. What is the role of second messenger in hormone action?
3. On an educational trip to Uttaranchal, Ketki and her friends observe
that many local people were having swollen necks. Please help Ketki
and her friends to find out the solutions to the following questions.
a. Which probable disease are these people suffering from?
b. How is it caused?
c. What effect does this condition have on pregnancy?
4. George comes on a vacation to India from US. The long journey disturbs
his biological system and he suffers from jet lag. What is the cause of his
discomfort?
5. Inflammatory responses can be controlled by a certain steroid. Name
the steroid, its source and also its other important functions.
6. Old people have weak immune system. What could be the reason?
7. What are the effects of hypothyroidism (observed during pregnancy) on
the development and maturation of a growing baby?
8. Mention the difference between hypothyroidism and hyperthyroidism.
9. You have learnt that a characteristic feature of endocrine system is the
presence of feed back loops. By this what is meant if hormone A stimulates
gland ‘X’ to secrete hormone B, the production of ‘A’ could be modified
when the level of B changes in our blood. An example is the relation
between hormones LH and estrogen (E
2
). An old woman exhibits the
following features. High levels of LH in blood but low levels of E
2
 in the
blood. Another woman exhibits high level of LH in blood and also high
level of E
2
 in the blood. Where is the defect in both these women? Provide
suitable diagram to support this answer.
18-04-2018
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