Introduction to human endocrine system - class-XII
Which one of the following pairs of organs includes only the endocrine glands?
Action of endocrine glands is mediated through
I am ductless gland. I secrete chemicals which are transported by the blood to target cells. Who am I?
Endocrine glands release hormones directly into the
All functions of the body are regulated and integrated by
Which of the following hormones is a steroid?
Endocrine glands release hormones directly into the blood. ............. transports it to the target organs ..................
Structure responsible for formation of sigmoid notch is
Which of the following statements is correct in relation to the endocrine system?
Which of the following disease results from endocrine disorder?
Choose the correct option among the following.
Column A | Column B |
---|---|
A. Epinephrine | (i) Stimulates in muscle growth |
B. Testosterone | (ii) Decrease in blood pressure |
C. Glucagon | (iii) Breakdown of liver glycogen |
D. Atrial natriuretic factor | (iv) Increases heart beat |
Which of the following match is correct?
Endocrine glands secrete their secretion in
Given below are four statements (A - D) each with one or two blanks. Select the option which correctly fills up the blanks in two statements.
(A) Thymus secretes (i)_ which help in differentiation of (ii).
(B) The adrenal medulla secretes (i) which stimulates the breakdown of (ii) to increase the blood glucose concentration during emergency situations.
(C) The Leydig's cells or (i) present in the intertubular spaced in testis, produce a group of hormone called (ii).
(D) Thyroid gland secrestes __(i)_ and triiodothyronine. (ii) is essential for the normal rate of hormone synthesis in the thyroid.
Endocrine glands have _________ to carry their secretions to the specific organ.
Ductless glands are also known as
Match column I (hormone) with column II (endocrine gland) and column Ill (function) and select the correct option from the given codes.
Column I | Column II | Column III | |||
---|---|---|---|---|---|
1. | Melatonin | A. | Thyroid | (i) | Acts on the renal tubules |
2. | MSH | B. | Adrenal | (ii) | Regulates blood calcium level |
3. | Aldosterone | C. | Pituitary | (iii) | Maintains diurnal rhythm of our body |
4. | TCT | D. | Pineal | (iv) | Acts on the melanocytes |
Which one of the following is a voluntary action?
Select the right match of endocrone gland and their hormones among the options given.
A. Pineal | (i) Epinephrine |
---|---|
B. Thyroid | (ii) Melatonin |
C. Ovary | (iii) Estrogen |
D. Adrenal medulla | (iv) Tetraiodothyronin |
What is the main function of endocrinal system in animals?
Endocrine glands are also called as ................. glands.
Endocrine glands
When the glandular cells breakdown completely, the gland is known as ______________.
Hair roots are located in
Select the answer which correctly matches endocrine gland with the hormone it secretes its function/deficiency symptom.