done 11th Biology Chemical Coordination and Integration

• question_answer1)
  Define the following (a) Exocrine gland (b) Endocrine gland (c) Hormone  
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• question_answer2)
  Diagrammatically indicate the location of the various endocrine glands in our body. 
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• question_answer3)
  List the hormones secreted by the following (a) Hypothalamus (b) Pituitary (c) Thyroid (d) Parathyroid (e) Adrenal (f) Pancreas (g) Testis (h) Ovary (i) Thymus (j) Atrium (k) Kidney (I) GI Tract  
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• question_answer4)
  Fill in the blanks Hormones Target gland (a) Hypothalamic hormones........................... (b) Thyrotrophin (TSH)........................... (c) Corticotrophin (ACTH)............................ (d) Gonadotrophins (LH, FSH)........................... (e) Melanotrophin (MSH)...........................  
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• question_answer5)
  Write short notes on the functions of the following hormones (a) Parathyroid hormone (PTH) (b) Thyroid hormones (c) Thymosins (d) Androgens (e) Oestrogen (f) Insulin and Glucagon  
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• question_answer6)
  Give example(s) of (a) Hyperglycemic hormone and hypoglycenuc hormone (b) Hypercalcemic hormone (c) Gonadotrophic hormones (d) Progestational hormone (e) Blood pressure lowering hormone (f) Androgens and oestrogens,  
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• question_answer7)
  Which hormonal deficiency is responsible for the following (a) Diabetes mellitus (b) Goitre (c) Cretinism  
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• question_answer8)
  Briefly mention the mechanism of action of FSH. 
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• question_answer9)
    Match the following columns.  

  Column I	Column II
  A.        74 B.        PTH e.        GnRH D.        LH	1.        Hypothalamus 2.        Thyroid 3.        Pituitary 4.        Parathyroid

   
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• question_answer10) Select the right match of endocrine gland and their hormones among the options given below

  Column I	Column II
  a.   Pineal	1.   Epinephrine
  b.   Thyroid	2.   Melatonin
  c.   Ovary	3.   Estrogen
  d.  Adrenal medulla	4. Tetraiodothyronine

  Codes       A B  C  D                               A  B C   D (a) 4 2  1   3                          (b) 2 4  1   3 (c) 3  2  1  4                          (d) 2 4   3  1

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• question_answer11)   Which of the following hormones is not secreted by anterior pituitary? (a) Growth hormone                                                      (b) Follicle stimulating hormone (c) Oxytocin                                                        (d) Adrenocorticotrophic hormone

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• question_answer12)   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 hormone is responsible for her restlessness? (a) Estrogen and progesterone                                  (b) Oxytocin and vasopressin (c) Adrenaline and noradrenaline                             (d) Insulin and glucagon

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• question_answer13)   The steroid responsible for balance of water and electrolytes in our body is (a) insulin                         (b) melatonin                        (c) testosterone                    (d) aldosterone

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• question_answer14)   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 RBCs  

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• question_answer15)   In the mechanism of action of a protein hormone, one of the second messengers is (a) Cyclic AMP                   (b) Insulin                            (c)                                     (d) Gastrin

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• question_answer16)   Leydig cells produce a group of hormones called (a) androgens                    (b) estrogens                     (c) aldosterone                 (d) gonadotropins

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• question_answer17)   Corpus luteum secretes a hormone called (a) prolactin                        (b) progesterone             (c) aldosterone                 (d) testosterone

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• question_answer18)   Cortisol is secreted from (a) pancreas                       (b) thyroid                          (c) adrenal                          (d) thymus

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• question_answer19)   A hormone responsible for normal sleep-wake cycle is (a) epinephrine                (b) gastrin                           (c) melatonin                     (d) insulin

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• question_answer20)   Hormones are called chemical signals that stimulate specific target tissues. Which is the correct location of these receptors in of protein hormones? (a) Extra cellular matrix (b) Blood                              (c) Plasma membrane               (d) Nucleus

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• question_answer21)   Match the following columns.

  Column I	Column II
  a. Epinephrine	1. Stimulates in muscle growth
  b. Testosterone	2. Decrease in blood pressure
  c. Glucagon	3. Breakdown of in liver glycogen
  d.  Atrial natriuretic factor	4.  Increases heart beat

  Codes       A  B  C  D                           A  B   C D (a) 2  1   3  4                      (b) 4  1   3 2 (c) 1  2   3  4                      (d) 1  4 2   3

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• question_answer22)   Which of the following do not play any role in calcium balance in the human body? (a)Vitamin-D                  (b) Parathyroid hormone                 (c) Thyrocalcitonin              (d) Thymosin

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• question_answer23)   All the following organs in mammals does not one consists of a central 'medullary' region surrounded by a cortical region. (a) ovary                              (b) adrenal                          (c) liver                                 (d) kidney

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• question_answer24)   Which of the following conditions is not linked to deficiency of thyroid hormone? (a) Cretinism                      (b) Goitre                            (c) Myxoedema                (d) Exophthalmia

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• question_answer25)   There are many endocrine glands in human body. Name the glands which is absent in male and the one absent in female.

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• question_answer26)   Which of the two adrenocortial layers, zona glomerulosa and zona reticularis lies outside enveloping the other?

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• question_answer27)   What is erythropoiesis? Which hormone stimulates it?

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• question_answer28)   Name the only hormone secreted by pars inter media of the pituitary gland.

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• question_answer29)   Name the endocrine gland that produces calcitonin and mention the role played by this hormone. Deficiency of calcitonin results in osteoporesis or loss of bone density (due to dissolution of parathormone).

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• question_answer30)                   Name the hormone that helps in cell-mediated immunity.

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• question_answer31)   What is the role of second messenger in the mechanism of protein hormone;action?

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• question_answer32)   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.

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• question_answer33)   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 insipid us. But he decided to measure one more hormone in patients blood. Which hormone does the doctor intend to measure?

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• question_answer34)   Correct the following statements by replacing the term underlined. (a) Insulin is a steroid hormone.                                                (b) TSH is secreted from the corpus luteum. (c) Tetralodothyromne is an emergency hormone. (d)The pineal gland is located on the anterior part of the kidney.

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• question_answer35)   Match the following columns.

  Column I	Column II
  a. Oxytocin	1. Amino acid derivative
  b. Epinephrine	2. Steroid
  c. Progesterone	3. Protein
  d. Growth hormone	4. Peptide

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• question_answer36) What is the role-played by luteinising hormones in males and females respectively?

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• question_answer37)   What is the role of second messenger in hormone action?

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• question_answer38)   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?

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• question_answer39)   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?

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• question_answer40)   Inflammatory responses can be controlled by a certain steroid. Name the steroid, its source and also its other important functions.

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• question_answer41)   Old people have weak immune system. What could be the reasons?

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• question_answer42)   What are the effects of hypothyroidism (observed during pregnancy) on the development and maturation of a growing baby?

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• question_answer43)   Mention the difference between hypothyroidism and hyperthyroidism.

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• question_answer44)   A milkman is very upset one morning as his cow refuses to give any milk. The milkman's wife gets the calf from the shed. On feeding by the calf, the cow gave sufficient milk. Describe the role of endocrine gland and pathway associated with this response?

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• question_answer45)   A sample of urine was diagnosed to contain high content of glucose and ketone bodies. Based on this observation, answer the following (a) which endocrine gland and hormone is related to this condition? (b) name the cells on which this hormone acts (c) what is the condition called and how can it rectified?

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• question_answer46)   Calcium plays a very important role in the formation of bones. Write on the role of endocrine glands and hormones responsible for maintaining calcium homeostasis.

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• question_answer47)   Illustrate the differences between the mechanism of action of a protein and a steroid hormone.

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• question_answer48)   Hypothalamus is a super master endocrine gland. Elaborate.

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