Write the function of melatonin hormone?
Important Questions on Chemical Messages for Homeostasis
Identify the gland indicated in the picture and answer the following questions :
Write two important functions of aldosterone.
Select suitable items from the box and complete the table related to hormone defects.
| Gland | Hormone | Defect | Symptom |
| Pancreas | __(i)__ | Diabetes | __(ii)__ |
| Hypothalamus | Vasopressin | __(iii)__ | __(iv)__ |
| Pituitary | __(v)__ | __(vi)__ | Growth of the bones on the face and jaw |
- Somatotropin
- Diabetes insipidus
- Acromegaly
- Presence of glucose in urine
- Frequent urination
- Insulin
- Hindrance in proper physical and mental development
Identify the gland indicated in the picture and answer the following questions :
Name the two hormones produced by the part indicated as (ii). Give their functions.
Certain hormones released from the anterior lobe of pituitary gland are given.
Thyroid Stimulating Hormone (TSH)
Adreno Cortico Tropic Hormone (ACTH)
Gonado Tropic Hormone (GTH)
Write the common feature of these hormones.
- Low metabolic rate
- Hypertension
- Inflammation in tissues
Identify the gland indicated in the picture and answer the following questions :
Name the hormone produced by the part indicated as (i) which slows down the action of defense cells.
Certain hormones released from the anterior lobe of pituitary gland are given.
Thyroid Stimulating Hormone (TSH)
Adreno Cortico Tropic Hormone (ACTH)
Gonado Tropic Hormone (GTH)
Write one function of ACTH and TSH.
There are certain mistakes in the given chart. Find out and correct it.
Certain hormones released from the anterior lobe of pituitary gland are given.
Thyroid Stimulating Hormone (TSH)
Adreno Cortico Tropic Hormone (ACTH)
Gonado Tropic Hormone (GTH)
Name two hormones secreted by the action of GTH.
| X | The production of this hormone is more at night and less in the daytime |
| Y | Hormones from the adrenal gland work along with the sympathetic system |
Identify and name the hormone 'X' and its gland.
Read the given paragraph, where few words have been italicised.
The pineal gland secretes the hormone progesterone which helps to regulate sleep patterns. Thyroid glands release hormones that regulate the level of calcium in the blood with the help of calcitonin which is produced in the parathyroid glands.
Select the correct option regarding the given paragraph.
(i) Positions of pineal and parathyroid should be interchanged.
(ii) Progesterone should be replaced by melatonin.
(iii) Parathyroid should not be replaced as it is correctly mentioned.
(iv) Positions of progesterone and calcitonin should be interchanged.
(v) Positions of thyroid and parathyroid should be interchanged.
