Hormones - class-XI
Description: hormones | |
Number of Questions: 84 | |
Created by: Saurabh Mittal | |
Tags: coordination and response biology the endocrine system nervous system and endocrine system control and coordination in living organisms control and coordination endocrine system and adolescence life processes in living organism coordination - the linking system human organ systems control and co-ordination in plants and animals chemical coordination and integration |
Which of the following hormones does not have a particular target organ in the body?
____________ acts a transporter of hormones in animals.
Chemically hormones are
Ecdysone is secreted by
Hormones are
Hormones are
A hormone is
Which of the following is a hormone?
Which one of the following flows directly into blood from the site of its production to act on an organ away from it?
Which of the following has no connection with secretion of hormones?
Which of the following is first aid hormone?
Match the list I with list II and choose the correct option.
List I | List II | ||
---|---|---|---|
A | Oxytocin | 1 | Milk ejection hormone |
B | Glucagon | 2 | Increase in heart rate |
C | Adrenaline | 3 | Increases blood glucose |
D | Thyroxine | 4 | Controls BMR |
Pheromones when secreted upon the skin surface, its odour generally affect
Which one of the following does not match in biological category of chemical substance?
Which of the following hormones regulate growth and metamorphosis in insects?
Mark the correct statement
Hormones are also known as
Hormones help the body to cope up with _______
Chemically, hormones are
Hormones differ from enzymes in the respect that they
Which of these properties are not present in hormones?
Hormones affect distant cells by controlling .......... proteins.
A hormonal controls is ________
FSH and LH hormones together are called
Which of the following hormones is known to have calorigenic effect?
The secretion of following anterior pituitary hormones is controlled by hypothalamus
Which group of hormones is natural?
Hormones are called chemical signals that stimulate specific target tissues. Which is the correct location of these receptors in case of protein hormones?
Hormone produced due to the effect of dietary lipids in the chyme, causes.
Which of these functions hormones perform in our body?
Deficiency of hormones is caused to due to
Which of the following is known as chemical messenger?
Enzymes, vitamins and hormones are common in
Which of the statements given below are correct
I) Hormones are non-nutrient chemical
II) Hormones act as intracellular chemicals
III) Hormones are produced in moderate quantity
IV) Hormones may be proteins, steroids , glycoproteins or biogenic amines
Hormones are non-nutrients chemicals which act as .............. messengers and are produced in ........... amount.
Read the given paragraph and select the option that correctly fills the blanks in it.
Hormones produce their effect on target tissue by binding to specific ______A called hormone receptors located in the target tissues only. Water soluble hormones usually need ___B receptor that generate ___C messengers for regulating cellular metabolism. ____D soluble hormones can pass through cell membrane and bind to ______E receptors, mostly nuclear receptors. The hormone receptors complex enter the nucleus and mostly regulate gene expression or chromosome function by interaction of hormone-receptor complex with the genome.
One of the following hormone is different from the other three regarding their solubility.
Hormones "obey" the commands like "enough, slow down or "two little, speed up".
Which one of the following act as vasodilator?
How many of these hormones are water soluble ? Thyroxine, Epinephrine, Nor-epinephrine , Aldosterone, Cortisol, Testosterone, Thymosin, Melatonin, Calcitonin
Excess secretion of growth hormone in adults leads to
Which one of the following statements is correct ?
Which of the following is the correct function of endocrine system with reference to chemical coordination?
Which of the following are correct.
a) Neural coordination is fast but short-lived.
b) Secretions of the ductless gland are messengers.
c) Hormones are non-nutrient chemicals.
d) Hormones act as intracellular messengers.
e) Chemical messengers produced in large amounts.
Given is an incomplete table on hormones, their source glands and one major effect of each human body. Identify the option representing correct grouping of hormone its gland and effect.
Gland | Secretion | Effect on body |
---|---|---|
A | Oestrogen | Maintenance of secondary sexual characters |
Alpha cells of Islets of Langerhans | B | Raises blood sugar level |
Anterior pituitary | C | Over secretion leads to gigantism |
Which of the following hormone functions through generating second messengers ?
How many of the following hormones have nuclear receptors?
Thyroxine, Catecholamines, Cortisol, Cholecystokinin, Growth hormone.
Hormones are called chemical signals that stimulate specific target tissues. Their specificity is due to the presence of signal receiving receptors only in the respective target tissues. Where are these receptors present in case of hormones of protein nature?
Hormones involved in maintaining $Ca^{2+}$ balance in human body includes all except
I. Insulin
II. Epinephrine
III.Oestradiol
IV.Norepinephrine
V.Testosterone
VI.Glucagon
Which of the above hormones are amino acid derivatives?
What is correct to say about the hormone action in humans?
Which hormone inhibit morphogenesis?
Acetylcholine can be hydrolysed into
The tissues influenced by a specific hormone are referred to as its
The effect of different hormones on the body can be best said to bring about
Excess of hormones is caused due to
Term 'hormone' was coined by
Which of the following best describes hormones?
Which of the following is not necessarily a property of all hormones?
I am secretions of endocrine glands. Chemically I maybe steroids, proteins or amino acid derivatives. I am transported by blood to the reaction site. I may accelerate or inhibit specific activity. My action may be slow or quick
Who am I?
Hormones may be
Hypersecretion of GH from pituitary in the adult causes a
disease called
An organ where a hormone shows its effect is called
Hormone term was coined in 1905 by
Which of the following hormones regulate growth and metarnorphosis in insect?
Which one of the following hormones stimulates the breakdown of glycogen in the liver into glucose?
In mammals, prolactin stimulates the production of
Choose the correct answer from the alternatives given.
Which of the following hormone initiates secretion of milk?
Choose the correct answer from the alternatives given.
Which of the following hormones is incorrectly paired with its action?
Choose the correct answer from the alternatives given.
One of the chief differences between pheromones and local hormones is:
Choose the correct answer from the alternatives given.
Which hormone stimulates secretion of milk in mammary glands?
Choose the correct answer from the alternatives given.
Which of the following is not an accurate statement about hormones?
Choose the correct answer from the alternatives given.
Second messengers include:
Choose the correct answer from the alternatives given.
Which organ does not synthesize hormones?
Choose the correct answer from the alternatives given.
Human sex hormones are classified as:
Choose the correct answer from the alternatives given.
Which of the following hormones is called an antidiuretic hormone?
Which of the following statements is correct in relation to the endocrine system?
Match the following
Sr No | Column A | Sr.no | Column B |
---|---|---|---|
A. | ADH | 1. | Pituitary |
B. | ACTH | 2. | Vasodilator |
C. | Insulin | 3. | Diabetes mellitus |
D. | Adrenaline | 4. | Diabetes insipidus |
Which of the following statements regarding hormones is incorrect?
Choose the correct answer from the alternatives given.
Which of the following is not involved in calcium metabolism?
Choose the correct answer from the alternatives given.
Steroid hormones mediate their action by:
Which of these is a correct statement?
Consider the following statements (a-d) and select the option which includes the correct ones only.
(a) The thyroid hormone plays an important role in the maintenance of the basal metabolic rate & erythropoiesis.
(b) Glucocorticoids inhibit inflammatory reactions by suppressing the immune system and promote erythropoiesis.
(c) Androgens promote development, maturation & function of the male sex organs as well as erythropoiesis.
(d) The gastrointestinal tract not only secretes gastric inhibitory peptide but also promotes the formation of RBCs.