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Chapters
Chapter 2: Kingdom Animalia
Chapter 3: Tissue Level of Organisation
Chapter 4: Organ and Organ Systems in Animals
Chapter 5: Digestion and Absorption
Chapter 6: Respiration
Chapter 7: Body Fluids and Circulation
Chapter 8: Excretion
Chapter 9: Locomotion and Movement
Chapter 10: Neural Control and Coordination
Chapter 11: Chemical Coordination and Integration
Chapter 12: Trends in Economic Zoology
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 Evaluation [Pages 213 - 214]
The maintenance of constant internal environment is referred as ______.
Regulation
Homeostasis
Co-ordination
Hormonal control
Which of the following are exclusive endocrine glands?
Thymus and testis
Adrenal and ovary
Parathyroid and adrenal
Pancreas and parathyroid
Which of the following hormone is not secreted under the influence of pituitary gland?
thyroxine
insulin
oestrogen
glucocorticoids
Spermatogenesis in mammalian testes is controlled by ______.
Luteinising hormone
Follicle stimulating hormone
FSH and prolactin
GH and prolactin
Serum calcium level is regulated by ______.
Thyroxine
FSH
Pancreas
Thyroid and parathyroid
Iodised salt is essential to prevent ______.
rickets
scurvy
goitre
acromegaly
Which of the following gland is related with immunity?
Pineal gland
Adrenal gland
Thymus
Parathyroid gland
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.
Hypersecretion of GH in children leads to ______.
Cretinism
Gigantism
Graves disease
Tetany
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
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
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
which of the given option shows all wrong statements for thyroid gland
Statements
- It inhibits process of RBC formation
- It helps in maintenance of water and electrolytes
- Its more secretion can reduce blood pressure
- It Stimulates osteoblast
(i) and (ii)
(iii) and (iv)
(i) and (iv)
(i) and (iii)
Comment on homeostasis.
Hormones are known as chemical messenger. Justify.
Write the role of oestrogen in ovulation?
Comment on Acini of thyroid gland.
Write the causes for diabetes mellitus and diabetes insipids.
Specify the symptoms of acromegaly.
Write the symptoms of cretinism.
Briefly explain the structure of thyroid gland.
Name the layers of adrenal cortex and mention their secretions.
Differentiate hyperglycemia from hypoglycemia.
Write the functions of (CCK) Cholecystokinin.
Growth hormone is important for normal growth. Justify the statement.
Pineal gland is an endocrine gland, write its role.
Comment on the functions of adrenalin.
Predict the effects of removal of pancreas from the human body.
Enumerate the role of kidney as an endocrine gland.
Write a detailed account of gastro intestinal tract hormones.
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
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.
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