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प्रश्न
The maintenance of constant internal environment is referred as ______.
विकल्प
Regulation
Homeostasis
Co-ordination
Hormonal control
उत्तर
The maintenance of constant internal environment is referred as Homeostasis.
संबंधित प्रश्न
Define the following:
Hormone
| Hormones | Target gland |
| Corticotrophin (ACTH) | ______ |
| Hormones | Target gland |
| Melanotrophin (MSH | ______ |
Give an example of a progestational hormone.
Give an example of androgens.
Match the items of column I with those of column II
| Column I | Column II | ||
| 1 | β (beta) cells of islets of Langerhans |
a | condition due to undersecretion of thyroxine in adults |
| 2 | Thyroid | b | Glucocorticoids |
| 3 | Cretinism | c | Exophthalmic goitre |
| 4 | Addison's disease | d | Increases heart beat |
| 5 | Hypothyroidism | e | Thyroxine |
| 6 | Myxoedema | f | Adrenal cortex |
| 7 | Adrenaline Under secretion of thyroxine in a child |
h | Under secretion of thyroxine in a child |
Give the special function of the following:
Adrenocorticotrophic hormone
Give the special function of the following:
Corpus luteum
Which one of the following statement is true/ false?
Islets of Langerhans are found in the brain.
Define the following:
Exocrine gland
Define the following:
Hypersecretion
Which glands are responsible for the following disease?
(i) Goitre (ii) Diabetes mellitus (iii) Gigantism
(iv) Diabetes insipidus (v) Cretinism (vi) Exophthalmic goiter
What is a hormone?
Is the following gland an exocrine or an endocrine gland?
Salivary gland
Complete the following:
| Gland/Organ | Hormone | Function |
| (i) Stomach | __________ | __________ |
| (ii) Parathyroid | __________ | __________ |
| (iii) __________ | __________ | Lowers blood sugar level. |
| (iv) Adrenal medulla | __________ | __________ |
| (v) Pancreas (Alpha cells) | __________ | __________ |
| (vi) Testes | __________ | __________ |
Complete the table given below by filling in the blanks numbered 1 to 8.
| Gland | Hormone Secreted | Effect on Body |
| 1 | 2 | Regulates basal metabolism |
| Pancreas (β-cells) | 3 | 4 |
| 5 | 6 | Increases heart beat |
| 7 | Thyroid stimulating hormone | 8 |
Organs like the stomach and intestine are also endocrine glands. Why?
Give the Technical Term: Name the glands which secrete the following hormone: Testosterone
Give the Technical Term: Name the hormones which lead to the following condition: Growth of beard in women
Given below is an outline of the human body showing the important glands.
(i) Name the glands marked 1 to 5.
(ii) Name the hormone secreted by 2. Give one important function of this hormone.
(iii) Name the endocrine cells present in part 3.
(iv) Name the hormone secreted by part 3. Give one important function of this hormone.
Study the diagram given below and then answer the questions that follow:
 |
- Name the cells of the pancreas that produce (1) glucagon (2) insulin.
- State the main function of (1) glucagon and (2) insulin.
- Why is the pancreas referred to as an exo-endocrine gland?
- Why is insulin not given orally but is injected into the body?
- What is the technical term for the cells of the pancreas that produce endocrine hormones?
- Where in the body is the pancreas located?
The sketch below shows a certain condition in an individual:
(i) Name the condition.
(ii) What is the underlying cause of this condition?
(iii) Name two other conditions that could have resulted due to a similar cause.
(iv) Which hormone is required for iodine synthesis?
(v) Where is the thyroid gland located?
(vi) The hormone secreted by the thyroid gland is controlled from which hormone?
State the Function
Oestradiol
State the Function
Progesterone
Choose the Odd One Out
Choose the Odd One Out
Choose the Odd One Out
Choose the Odd One Out
Choose the Odd One Out
Which statement is not for a hormone?
Leydig cells are meant for:
Spermatogenesis in mammalian testes is controlled by ______.
Which of the following gland is related with immunity?
A pregnant female delivers a baby who suffers from stunted growth, mental retardation, low intelligence quotient and abnormal skin. This is the result of ______.
Hormones are known as chemical messenger. Justify.
Write the role of oestrogen in ovulation?
Briefly explain the structure of thyroid gland.
In humans, the life processes are controlled and regulated by
