Chemical Coordination and Integration MCQ Questions for NEET Pdf Download :
Chemical Coordination and Integration NEET Questions is Scoring topic where candidates can attempt to solve maximum number of accurate questions and increase their overall score count in the NEET exam. Not only in NEET exams but in other competitive exams as well, Chemical Coordination and Integration is considered to be the most scoring Scoring and Simple Chapter. The aim of this Chapter Chemical Coordination and Integration MCQ is to test candidates’ awareness and knowledge regarding the Chemical Coordination and Integration.
These NEET Questions on Chemical Coordination and Integration for class 12 Pdf Download will help students score in the upcoming NEET exam and perform better in competitive exams, such as CET, NET, SET. Hence, it is suggested to students to solve all these Chemical Coordination and Integration NEET MCQs with their problem-solving skills and cross-check the answers. Also, try to maintain a time limit for each question. Below is the list of all the Important questions from Chemical Coordination and Integration. Here you can get the MCQs with answers and also download PDFs provided for each topic for extra MCQ on Chemical Coordination and Integration to practise more.
NEET Questions on Chemical Coordination and Integration :
1. Which of the following hormones can play a significant role in osteoporesis ?
(1) Aldosterone and Prolactin
(2) Progesterone and Aldosterone
(3) Estrogen and Parathyroid hormone
(4) Parathyroid hormone and Prolactin
Answer: 3
Read : Digestion and Absorption NEET MCQs
2. Main hormone after ovulation is_____
(1) Progesterone
(2) Estrogen
(3) LH
(4) Estradiol
Answer: 1
3. a-cells of Islet of Langerhans of pancreas are related to which secretion?
(1) Glucagon
(2) Insulin
(3) Somatostatin
(4) Pancreatic polypeptide
Answer: 1
Read : Neural Control and Coordination NEET Questions
4. Which pair of hormone is associated with calcium storage, secretion and absorption?
(1) PTH and Calcitonin
(2) Calciferole and Estrogen
(3) Thyroxine and Adrenaline
(4) Estrogen and FSH
Answer: 1
5. Growth hormone and thyroxine stimulate growth in_________
(1) Muscles
(2) Bone
(3) Blood cells
(4) Skin
Answer: 2
Read : Molecular Basis of Inheritance MCQ
6. ACTH stimulates_______
(1) adrenal cortex
(2) thyroid gland
(3) gonads
(4) isthmus
Answer: 1
7. Type-I diabetes is_______
(1) insulin dependent
(2) insulin nondependent
(3) aldosterone dependent
(4) glucocorticoids dependent
Answer: 1
Read : Locomotion and Movement NEET questions
8. Which of the following hypothalamic hormone stimulate the release of female reproductive hormone?
(1) GnRH
(2) Estradiol
(3) Progesterone
(4) FSH and LH
Answer: 1
9. GnRH, a hypothalamic hormone, needed in reproduction, acts on:
(1) anterior pituitary gland and stimulates secretion of LH and FSH.
(2) posterior pituitary gland and stimulates secretion of oxytocin and FSH.
(3) posterior pituitary gland and stimulatescsecretion of LH and relaxin.
(4) anterior pituitary gland and stimulates secretion of LH and oxytocin.
Answer: 1
Read : Human Reproduction NEET Questions
10. Hypersecretion of Growth Hormone in adults does not cause further increase in height, because:
(1) Epiphyseal plates close after adolescence.
(2) Bones loose their sensitivity to Growth Hormone in adults.
(3) Muscle fibres do not grow in size after birth.
(4) Growth Hormone becomes inactive in adults.
Answer: 1
11. With increasing age the changes of fractures are increased in females because______
(1) of decreased secretion of oxytocin
(2) of decreased secretion of estrogen
(3) of increased secretion of estrogen
(4) of increased secretion of oxytocin
Answer: 2
Read : Excretory Products and their Elimination NEET MCQ
12. Hormones secreted by posterior pituitary are______
(1) ADH, oxytocin
(2) GH and GnRH
(3) GH, oxytocin
(4) MSH and prolactin
Answer: 1
13. Bile juice is secreted by stimulation of_______
(1) Gastrin
(2) Secretin
(3) Estrerokinase
(4) CCK
Answer: 4
14. Which of the following is an amino acid derived hormone ?
(1) Epinephrine
(2) Ecdysone
(3) Estradiol
(4) Estriol
Answer: 1
15. Which of the following pairs of hormones are not antagonistic (having opposite effects) to each other?
(1) Parathormone – Calcitonin
(2) Insulin – Glucagon
(3) Aldosterone – Atrial Natriuretic Factor
(4) Relaxin – Inhibin
Answer: 4
16. Graves' disease is caused due to________
(1) Hyposecretion of adrenal gland
(2) Hypersecretion of adrenal gland
(3) Hyposecretion of thyroid gland
(4) Hypersecretion of thyroid gland
Answer: 4
17. Name a peptide hormone which acts mainly on hepatocytes, adipocytes and enhances cellular glucose uptake and utilization.
(1) Secretin
(2) Gastrin
(3) Insulin
(4) Glucagon
Answer: 3
18. Osteoporosis, an age–related disease of skeletal system, may occur due to________
(1) Decreased level of estrogen
(2) Accumulation of uric acid leading to inflammation of joints.
(3) Immune disorder affecting neuro–muscular junction leading to fatigue.
(4) High concentration of Ca++ and Na+.
Answer: 1
19. The posterior pituitary gland is not a 'true' endocrine gland because_______
(1) It is under the regulation of hypothalamus
(2) It secretes enzymes
(3) It is provided with a duct
(4) It only stores and releases hormones
Answer: 4
20. A decrease in blood pressure / volume will not cause the release of________
(1) Atrial natriuretic factor
(2) Aldosterone
(3) ADH
(4) Renin
Answer: 1
21. A temporary endocrine gland in the human body is________
(1) Corpus cardiacum
(2) corpus luteum
(3) Corpus allatum
(4) Pineal gland
Answer: 2
22. Signals from fully developed foetus and placenta ultimately lead to parturition which requires the release of_________
(1) Oxytocin from maternal pituitary
(2) Oxytocin from foetal pituitary
(3) Relaxin from placenta
(4) Estrogen from placenta
Answer: 1
23. Which one of the following pairs of hormones are the examples of those that can easily pass through the cell membrane of the target cell and bind to a receptor inside it (mostly in the nucleus)_________
(1) Somatostatin, oxytocin
(2) Cortisol, testosterone
(3) Insulin, glucagon
(4) Thyroxin,Insulin
Answer: 2
24. A pregnant female delivers a baby who suffers from stunted growth, mental retardation, low intelligence quotient and abnormal skin. This is the result of_________
(1) Over secretion of pars distalis
(2) Deficiency of iodine in diet
(3) Low secretion of growth hormone
(4) Cancer of the thyroid gland
Answer: 2
25. Which of the following statements is correct in relation to the endocrine system ?
(1) Releasing and inhibitory hormones are produced by the pituitary gland.
(2) Adenohypophysis is under direct neural regulation of the hypothalamus.
(3) Organs in the body like gastrointestinal tract, heart, kidney and liver do not produce any hormones.
(4) Non-nutrient chemicals produced by the body in trace amount that act as intercellular messenger are known as hormones.
Answer: 4
Important MCQ Questions on Chemical Coordination and Integration for NEET :
1. Steroid hormones_________
(1) have only cell surface receptors
(2) are lipophobic
(3) have receptors within the nucleus
(4) are produced by only adrenal cortex.
Answer: 3
2. Both adrenaline and cortisol are secreted in response to stress. Which of the following statements is also true for both of these hormones?
(1) They act to increase blood glucose
(2) They are secreted by the adrenal cortex
(3) Their secretion is stimulated by adrenocorticotropin
(4) They are secreted into the blood within seconds of the onset of stress.
Answer: 1
3. Which one is incorrect for hypothalamus ?
(1) Basal part of diencephalon
(2) Regulate narrow spectrum of body functions
(3) Neural control of posterior pituitary
(4) Release somatostatin for GH Inhibition
Answer: 2
4. Pineal gland is not related with______
(1) Body temperature
(2) Defence capability
(3) Metabolism
(4) Kidney functions
Answer: 4
5. Vigrous contraction of uterus muscles is stimulated by________
(1) ADH
(2) MSH
(3) GH
(4) Oxytocin
Answer: 4
6. Find out correctly matched_________
(A) Thymus – AMI
(B) PTH – Ca+2 absorption
(C) Adrenal – glucocorticoids
(D) Thyroid – Antiinflammatory response
(1) A, B, D
(2) A, B, C
(3) B, C, D
(4) A, C, D
Answer: 2
7. Which one is incorrect statement ?
(1) Hypothalamus regulate a wide spectrum of body functions.
(2) Pituitary, pineal, testes, heart and kidney are organised endocrine gland of body.
(3) Hormones are non-nutrient chemicals and intercellular messenger.
(4) LH helps in maintenance of corpus luteum after ovulation.
Answer: 2
8. Why thyroxine is a hormone, not an enzyme ?
(1) It is secreted in small quantity
(2) It is not a polypeptide
(3) It has no special effect
(4) It is directly poured into blood
Answer: 4
9. Which one of the following pair's correctly matches a hormone with a disease resulting from its deficiency_____
(1) Insulin – Diabetes insipidus
(2) Thyroxine – Tetany
(3) Parathyroid hormone – Diabetes mellitus
(4) Luteinizing hormone–Failure of ovulation
Answer: 4
10. The Lorain-Levi Syndrome is due to________
(1) Hyper functioning of pituitary
(2) Hypothyroidism
(3) Hyperthyroidism
(4) Deficiency of growth hormone
Answer: 4
11. The excessive secretion of mineralocorticoids independent of renin-angiotensin-aldosterone system results in___________
(1) Cushing's disease
(2) Conn's disease
(3) Addison's disease
(4) Grave's disease
Answer: 2
12. In heart cells, which one serves as a second messenger, speeding up muscle cell contraction in response to adrenaline ?
(1) CAMP
(2) CGMP
(3) GTP
(4) ATP
Answer: 1
13. In human adult females oxytocin_________
(1) Stimulates pituitary to secrete vasopressin
(2) Causes strong uterine contractions during parturition
(3) is secreted by anterior pituitary
(4) stimulates growth of mamary glands
Answer: 2
14. A health disorder that results from the deficiency of thyroxine in adults and characterised by______
1. A low metabolic rate
2. Increase in body weight and
3. Tendency to retain water in tissue is
(1) Simple goitre
(2) Myxoedema
(3) Cretinism
(4) Hypothroidism
Answer: 2
15. Toxic agents present in food which interfere with thyroxine synthesis lead to the development of______
(1) simple goitre
(2) thyrotoxicosis
(3) toxic goitre
(4) cretinism
Answer: 1
16. Injury to adrenal cortex is not likely to affect the secretion of which one of the following ?
(1) Adrenaline
(2) Cortisol
(3) Aldosterone
(4) Both Androstenedione and Dehydroepiandrosterone
Answer: 1
17. Which one of the following pairs is incorrectly matched ?
(1) Corpus luteum – Relaxin (secretion)
(2) Insulin – Diabetes mellitus (disease)
(3) Glucagon – Beta cells (Source)
(4) Somatostatin – Delta cells (source)
Answer: 3
18. Which one of the following is now being commercially produced by biotechnolgical procedures ?
(1) Morphine
(2) Quinine
(3) Insulin
(4) Nicotine
Answer: 3
19. Which of the following hormones secreted by pancreas ?
(1) Insulin and glucagon
(2) Epinephrin and nor-epinephrin
(3) Thyroxin and melanin
(4) Prolatin and oxytocin
Answer: 1
20. The effect caused by non-functioning of islets of Langerhans__________
(1) Heart beat rate increase
(2) Increased BMR
(3) hyperglycaemia
(4) tetani
Answer: 3
21. Insulin is secreted by________
(1) Beta cells of Islets of Langerhans
(2) Alfa cells of Islets of Langarhans
(3) Kuffer cells
(4) Gall bladder
Answer: 1
22. The function of glucagon hormone is________
(1) To increase glycogenesis
(2) To decrease blood sugar level
(3) To release glucose from liver cells and glycogenolysis promotion
(4) To increase the absorption of glucose and fatty acids through cell
Answer: 3
23. The diabetes mellitus is caused by___________
(1) Hyper secretion of Insulin
(2) Hyposecretion of Insulin
(3) Hyposecretion of ADH
(4) Hyper secrection of ADH
Answer: 2
24. Female hormone is__________
(1) progesterone
(2) estrogen
(3) estradiol
(4) all of these
Answer: 4
25. Hormone which is responsible for maintainance of pregnancy is_________
(1) Estrogen
(2) Aldosteron
(3) Progesterone
(4) Testosteron
Answer: 3