Tamil Nadu Board of Secondary EducationHSC Science Class 11th
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Tamil Nadu Board Samacheer Kalvi solutions for Class 11th Biology-Zoology Answers Guide chapter 11 - Chemical Coordination and Integration [Latest edition]

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Class 11th Biology-Zoology Answers Guide - Shaalaa.com
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Chapter 11: Chemical Coordination and Integration

Evaluation
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Evaluation [Pages 213 - 214]

Tamil Nadu Board Samacheer Kalvi solutions for Class 11th Biology-Zoology Answers Guide Chapter 11 Chemical Coordination and IntegrationEvaluation [Pages 213 - 214]

Evaluation | Q 1. | Page 213

The maintenance of constant internal environment is referred as ______.

  • Regulation

  • Homeostasis

  • Co-ordination

  • Hormonal control

Evaluation | Q 2. | Page 213

Which of the following are exclusive endocrine glands?

  • Thymus and testis

  • Adrenal and ovary

  • Parathyroid and adrenal

  • Pancreas and parathyroid

Evaluation | Q 3. | Page 213

Which of the following hormone is not secreted under the influence of pituitary gland?

  • thyroxine

  • insulin

  • oestrogen

  • glucocorticoids

Evaluation | Q 4. | Page 213

Spermatogenesis in mammalian testes is controlled by ______.

  • Luteinising hormone

  • Follicle stimulating hormone

  • FSH and prolactin

  • GH and prolactin

Evaluation | Q 5. | Page 213

Serum calcium level is regulated by ______.

  • Thyroxine

  • FSH

  • Pancreas

  • Thyroid and parathyroid

Evaluation | Q 6. | Page 213

Iodised salt is essential to prevent ______.

  • rickets

  • scurvy

  • goitre

  • acromegaly

Evaluation | Q 7. | Page 213

Which of the following gland is related with immunity?

  • Pineal gland

  • Adrenal gland

  • Thymus

  • Parathyroid gland

Evaluation | Q 8. | Page 213

Which of the following statement about sex hormones is correct?

  • Testosterone is produced by Leydig cells under the influence of luteinizing hormone

  • Progesterone is secreted by corpus luteum and softens pelvic ligaments during child birth

  • Oestrogen is secreted by both sertoli cells and corpus luteum

  • Progesterone produced by corpus luteum is biologically different from the one produced by placenta.

Evaluation | Q 9. | Page 213

Hypersecretion of GH in children leads to ______.

  • Cretinism

  • Gigantism

  • Graves disease

  • Tetany

Evaluation | Q 10. | Page 213

A pregnant female delivers a baby who suffers from stunted growth, mental retardation, low intelligence quotient and abnormal skin. This is the result of ______.

  • Low secretion of growth hormone

  • Cancer of the thyroid gland

  • Over secretion of pars distalis

  • Deficiency of iodine in diet

Evaluation | Q 11. | Page 213

The structure which connects the hypothalamus with anterior lobe of pituitary gland is the ______.

  • Dendrites of neuro hypophysis

  • Axons of neurohypophysis

  • Bands of white fibers from cerebellar region

  • Hypophysial portal system

Evaluation | Q 12. | Page 213

Which one of the following statement is correct

  • Calcitonin and thymosin are thyroid hormones

  • Pepsin and prolactin are secreted in stomach

  • Secretin and rhodopsin are polypeptide hormones

  • Cortisol and aldosterone are steroid hormones

Evaluation | Q 13. | Page 214

which of the given option shows all wrong statements for thyroid gland

Statements

  1. It inhibits process of RBC formation
  2. It helps in maintenance of water and electrolytes
  3. Its more secretion can reduce blood pressure
  4. It Stimulates osteoblast
  •  (i) and (ii)

  • (iii) and (iv)

  • (i) and (iv)

  • (i) and (iii)

Evaluation | Q 14. | Page 214

Comment on homeostasis.

Evaluation | Q 15. | Page 213

Hormones are known as chemical messenger. Justify.

Evaluation | Q 16. | Page 214

Write the role of oestrogen in ovulation?

Evaluation | Q 17. | Page 214

Comment on Acini of thyroid gland.

Evaluation | Q 18. | Page 214

Write the causes for diabetes mellitus and diabetes insipids.

Evaluation | Q 19. | Page 214

Specify the symptoms of acromegaly.

Evaluation | Q 20. | Page 214

Write the symptoms of cretinism.

Evaluation | Q 21. | Page 214

Briefly explain the structure of thyroid gland.

Evaluation | Q 22. | Page 214

Name the layers of adrenal cortex and mention their secretions.

Evaluation | Q 23. | Page 214

Differentiate hyperglycemia from hypoglycemia.

Evaluation | Q 24. | Page 214

Write the functions of (CCK) Cholecystokinin.

Evaluation | Q 25. | Page 214

Growth hormone is important for normal growth. Justify the statement.

Evaluation | Q 26. | Page 214

Pineal gland is an endocrine gland, write its role.

Evaluation | Q 27. | Page 214

Comment on the functions of adrenalin.

Evaluation | Q 28. | Page 214

Predict the effects of removal of pancreas from the human body.

Evaluation | Q 29. | Page 214

Enumerate the role of kidney as an endocrine gland.

Evaluation | Q 30. | Page 214

Write a detailed account of gastro intestinal tract hormones.

Chapter 11: Chemical Coordination and Integration

Evaluation
Class 11th Biology-Zoology Answers Guide - Shaalaa.com

Tamil Nadu Board Samacheer Kalvi solutions for Class 11th Biology-Zoology Answers Guide chapter 11 - Chemical Coordination and Integration

Tamil Nadu Board Samacheer Kalvi solutions for Class 11th Biology-Zoology Answers Guide chapter 11 (Chemical Coordination and Integration) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the Tamil Nadu Board of Secondary Education Class 11th Biology-Zoology Answers Guide solutions in a manner that help students grasp basic concepts better and faster.

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Concepts covered in Class 11th Biology-Zoology Answers Guide chapter 11 Chemical Coordination and Integration are Human Endocrine System, Human Endocrine System, Hypo and Hyper Activity of Endocrine Glands and Related Disorders, Mechanism of Hormone Action.

Using Tamil Nadu Board Samacheer Kalvi Class 11th solutions Chemical Coordination and Integration exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in Tamil Nadu Board Samacheer Kalvi Solutions are important questions that can be asked in the final exam. Maximum students of Tamil Nadu Board of Secondary Education Class 11th prefer Tamil Nadu Board Samacheer Kalvi Textbook Solutions to score more in exam.

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