NEET Biology Chemical Coordination and Control MCQs Set C

Question: Which of the following option is not correct for the state of body in stress ?

• a) Rate of protein synthesis increases
• b) Increased alertness
• c) Increased heat-beat
• d) Increased glucose level of blood

Answer: Rate of protein synthesis increases

Question: Spot the mis-matched

• a) Insulin - CSK
• b) Adrenal medulla - Adrenallin
• c) Intestine - Secretin
• d) Atrial wall - ANF

Answer: Insulin - CSK

Question: Which of the option shows hormones involve in carbohydret mettabolism ?

• a) Insulin, gulcagon,Glucocorticoids, eppinephrine
• b) Glucocorticoids, Oxytocin, eppinephrine
• c) Progestron, estrogen
• d) Insulin, gulcagon, Progestrone, estrogen

Answer: Insulin, gulcagon,Glucocorticoids, eppinephrine

Question: Which hormone is control by nerve axon of hypothalamus

• a) Oxytocin
• b) ACTH
• c) TSH
• d) ACTH and TSH

Answer: Oxytocin

Question: Which option shows self regulating hormone ?

• a) None of the given
• b) Insulin, glucagon, Mineralocorticoids oxytocin
• c) Insulin LH Mineralocorticoids
• d) Insulin, glucagon oxytocin

Answer: None of the given

Question:

Statement x: Irregularities in thyroid gland can alter BMR

Statement y: As it regulates oxidation and ATP production

• a) x and y are correct and y is correct explanation of x
• b) x and y are correct and y is not correct explanation of x
• c) x is correct and y is wrong
• d) y is correct and x is wrong

Answer: x and y are correct and y is correct explanation of x

Question:

Statement x: Under stress condition body hairs are raised

Statement y: Under stressed condition secretion from adrenal medulla stops.

• a) x is correct and y is wrong
• b) y is correct and x is wrong
• c) x and y are correct and y is not correct explanation of x
• d) x and y are correct and y is correct explanation of x

Answer: x is correct and y is wrong

Question:

Statement x: Pituitary hormones can not express, themselves in absence of seconedary messanger

Statement y: As they interact with intracellular receptor

• a) x is correct and y is wrong
• b) y is correct and x is wrong
• c) x and y are correct and y is not correct explanation of x
• d) x and y are correct and y is correct explanation of x

Answer: x is correct and y is wrong

Question:

Statement x: There is one hormone receptor for insulin and glucogen

Statement y: Hormone receptors are specific

• a) y is correct and x is wrong
• b) x is correct and y is wrong
• c) x and y are correct and y is not correct explanation of x
• d) x and y are correct and y is correct explanation of x

Answer: y is correct and x is wrong

Question:

Statement x: Relaxin is secreted during birth of the child

Statement y: As it relax cervix of the uterus for easy birth of child

• a) x and y are correct and y is correct explanation of x
• b) x and y are correct and y is not correct explanation of x
• c) x is correct and y is wrong
• d) y is correct and x is wrong

Answer: x and y are correct and y is correct explanation of x

Question:

Statement x: Prolonged hyperglycemia leads to diabetes mellitus

Statement y: It leads to formation of harmful ketone bodies

• a) x and y are correct and y is correct explanation of x
• b) x and y are correct and y is not correct explanation of x
• c) x is correct and y is wrong
• d) y is correct and x is wrong

Answer: x and y are correct and y is correct explanation of x

Question:

Statement x: It corpus luteum disintegrate in middle of pregnancy, abortion of foetus takes place

Statement y: As progesterone secretion stops

• a) x and y are correct and y is correct explanation of x
• b) x and y are correct and y is not correct explanation of x
• c) x is correct and y is wrong
• d) y is correct and x is wrong

Answer: x and y are correct and y is correct explanation of x

Question:

Statement x: Sugar level of blood increases in stress

Statement y: Understress condition gluconeogenesis occurs

• a) x and y are correct and y is correct explanation of x
• b) x and y are correct and y is not correct explanation of x
• c) x is correct and y is wrong
• d) y is correct and x is wrong

Answer: x and y are correct and y is correct explanation of x

Question:

Statement x: Aldosterone stimulate reabsorption of water, and Na+ ions

Statement y: Deficiency of aldosterone causes diabetes mellitus

• a) x is correct and y is wrong
• b) y is correct and x is wrong
• c) x and y are correct and y is not correct explanation of x
• d) x and y are correct and y is correct explanation of x

Answer: x is correct and y is wrong

Question:

Statement x: Over secretion of adrenal cortex result in development of facial hair.

Statement y: As it increases secretion of androgenic steroid along with other cortical hormone

• a) x and y are correct and y is correct explanation of x
• b) x and y are correct and y is not correct explanation of x
• c) x is correct and y is wrong
• d) y is correct and x is wrong

Answer: x and y are correct and y is correct explanation of x

Question:

Statement x: If LH secretion is inhibited in female then embryonic development is not possible in female

Statement y: Due to inhibition of LH secretion ovulation does not occur

• a) x and y are correct and y is correct explanation of x
• b) x and y are correct and y is not correct explanation of x
• c) x is correct and y is wrong
• d) y is correct and x is wrong

Answer: x and y are correct and y is correct explanation of x

Question:

Statement x: Over secretion of pituitary results in giantism

Statement y: As growth-hormone stimulates cell division and protein synthesis

• a) x and y are correct and y is correct explanation of x
• b) x and y are correct and y is not correct explanation of x
• c) x is correct and y is wrong
• d) y is correct and x is wrong

Answer: x and y are correct and y is correct explanation of x

Question:

Statement x: In cancer of thyroid gland; hyperthroidism is observed

Statement y: The rate of synthesis and secretion of thyroid hormone increases in cancerous condition

• a) x and y are correct and y is correct explanation of x
• b) x and y are correct and y is not correct explanation of x
• c) x is correct and y is wrong
• d) y is correct and x is wrong

Answer: x and y are correct and y is correct explanation of x

Question:

Statement x: Sometimes surgery of thyroid gland can causes Ca+ level irregularities in blood

Statement y: As it may damage parathyroid gland

• a) x and y are correct and y is correct explanation of x
• b) x and y are correct and y is not correct explanation of x
• c) x is correct and y is wrong
• d) y is correct and x is wrong

Answer: x and y are correct and y is correct explanation of x

Question:

Statement x: Thymosin promotes production of antibodies

Statement y: Thymosin provides cell mediated imunity

• a) x and y are correct and y is correct explanation of x
• b) x and y are correct and y is not correct explanation of x
• c) x is correct and y is wrong
• d) y is correct and x is wrong

Answer: x and y are correct and y is correct explanation of x

More Questions...............................

Question:

Statement x: An increase in blood pressure; ANF secretion stops

Statement y: ANF dilates blood vessel

• a) y is correct and x is wrong
• b) x is correct and y is wrong
• c) x and y are correct and y is not correct explanation of x
• d) x and y are correct and y is correct explanation of x

Answer: y is correct and x is wrong

Question:

Statement x: Insulin get bind with membrane bound receptor

Statement y: It does enter nucleus for it expression and it activates secondary messangers

• a) x and y are correct and y is correct explanation of x
• b) x and y are correct and y is not correct explanation of x
• c) x is correct and y is wrong
• d) y is correct and x is wrong

Answer: x and y are correct and y is correct explanation of x

Question:

Statement x: Many physiological reactions and developemental processes are affected by steroid hormone

Statement y: As they regulate gene expression by interaction of membrane bound receptors complex

• a) y is correct and x is wrong
• b) x is correct and y is wrong
• c) x and y are correct and y is not correct explanation of x
• d) x and y are correct and y is correct explanation of x

Answer: y is correct and x is wrong

Question:

Statement x: On secretion of insulin glucose level in blood decreases

Statement y: As it causes rapid movement of glucose from blood to hepatocyte

• a) x and y are correct and y is correct explanation of x
• b) x and y are correct and y is not correct explanation of x
• c) x is correct and y is wrong
• d) y is correct and x is wrong

Answer: x and y are correct and y is correct explanation of x

Question: If receptor molecule is removed from target organ for hormone action, the target organ will.

• a) not respond to hormone
• b) Continue to respond but in opposite
• c) Continue to respond but require higher concentration of hormone
• d) continue to respond with out any difference

Answer: not respond to hormone

Question: Match the list-I with list-II

  list-I                               list-II

p. adenohypophysis          i. epinephrine

q. adrenal medulla            ii. somatotropin

r. Parathyroidgland            iii. thymosin

s. thymus gland                 iv. calcitonin

• a) (p : ii), (q : i), (r : iv), (s : iii)
• b) (p : i), (q: ii), (r : iii), (s : iv)
• c) (p: iii), (q : i), (r : iv), (s : ii)
• d) (p : iv), (q : iii), (r : ii), (s : i)

Answer:  (p : ii), (q : i), (r : iv), (s : iii)

Question: Which one of the following is not a second messenger in hormone action ?

• a) Sodium
• b) Calcium
• c) cGMP
• d) cAMP

Answer: Sodium

Question: Match item in column-I with those given in column-II

column-I                 column-II

p. ADH                    a. Pituitary

q. ACTH                  b. mineralocorticoid

r. aldosterone          c. diabetes mellitus

s. insulin                d. diabetes inspidus

t. adrenaline          e. vasodilator

• a) (p - d) (q - a) (r - b) (s - c) (t - e)
• b) (p - d) (q - a) (r - c) (s - b) (t - e)
• c) (p - a) (q - d) (r - b) (s - c) (t - e)
• d) (p - d) (q - b) (r - a) (s - c) (t - e)

Answer: (p - d) (q - a) (r - b) (s - c) (t - e)

Question:  Which of the following indicates correctly matched pairs for column-I and column-II

column-I               column-II

p ledyigs cells        (i) Tetany

q Hyperthyrodism  (ii) GH

r Adenohypophysis (iii) ACTH

s Dwarfism             (iv) Testosterone

• a) (p - iv) (q - i) (r - iii) (s - ii)
• b) (p - i) (q - iv) (r - ii) (s - iii)
• c) (p - i) (q - ii) (r - iii) (s - iv)
• d) p - iii) (q - i) (r - iv) (s - ii)

Answer: (p - iv) (q - i) (r - iii) (s - ii)

Question: mainly which of the following hormones control menstrual cycle in human being

• a) FSH, LH, Estrogen
• b) oxytocin
• c) PTH
• d) ACTH

Answer: FSH, LH, Estrogen

Question: On seeing a Tiger, the heart beat and blood pressure increase due to release of hormone

• a) Thyroxine
• b) Adrenaline
• c) parathormone
• d) Corticoids

Answer: Thyroxine

Question: Match the endocrine gland, given under column-I with their respective position in the body given under column-II choose the answer which gives the correct combination of alphabets of two columns

 column-I                    column-II

(Endocrine glands) (Position in body)

a. pituitary gland        p. Above kidney

b. Thyroid gland         q. Inside pancreas

c. Adrenal gland         r. On larynx

d. Islets of langerhans t. At the base of brain

• a) (a - t) (b - r) (c - p) (d - q)
• b) (a - s) (b - t) (c - p) (d - q)
• c) (a - p) (b - q) (c - r) (d - t)
• d) (a - q) (b - s) (c - t) (d - p)

Answer: (a - t) (b - r) (c - p) (d - q)

Question: If Adenohypohysectomy is done in adult, then which of the followings is the correct statement

• a) B.M.R will be affected
• b) Acromegaly
• c) Gigantism
• d) It will affect growth of testis and ovary

Answer: B.M.R will be affected

Question: The immediate cause of induction of ovulation in the human female is the large plasma surge of

• a) LH
• b) Estrodiol
• c) FSH
• d) Progesterone

Answer: LH

Question: The immediate cause of induction of ovulation in the human female is the large plasma surge of

• a) LH
• b) Estrodiol
• c) FSH
• d) Progesterone

Answer: LH

Question: Glucagon and insulin are

• a) Secreted from different cells but are opposite in function
• b) Antagonistic secretion action and similar function
• c) Secreted from same cells but are opposite in function
• d) Secreted from same cell and are same in function

Answer: Secreted from different cells but are opposite in function

Question: What is the function of enterogastrone ?

• a) It inhibits the secretion of gastric juice
• b) It regulates the flow of bile
• c) It stimulates the flow of pancreatic juice
• d) It stimulates the secretion of digestive juices in the stomach

Answer: It inhibits the secretion of gastric juice

Question: Ca⁺ metabolism is regulated by

• a) ACTH
• b) Thyroxine
• c) Parathormone
• d) Epinephrine

Answer: ACTH

Question: Heavy jaws, long face, long extremities are caused by

• a) oversecretion of hormone of anterior lobe of pituitary after pubenty
• b) undersecretion of hormone of posterior lobe of pituitary
• c) undersecretion of hormone of antrior lobe of pituitary
• d) oversecretion of hormone of posterior lobe of pituitary

Answer: oversecretion of hormone of anterior lobe of pituitary after pubenty

Question: FSH and LH hormones together are called

• a) GTH
• b) Stress removing hormones
• c) GTH
• d) Emergency hormones

Answer: GTH

Question: Deficiency of calciferol causes

• a) Rickets
• b) Leukaemia
• c) Leucopenia
• d) Scurvy

Answer: Rickets

Question: Vasopressin is found in

• a) Posterior lobe of pituitary
• b) Intestine
• c) Liver
• d) Kindey

Answer: Posterior lobe of pituitary

Question: Which hormone stmulits stomach to secrete gastric juice?

• a) Gastrin
• b) Renin
• c) enterogastrone
• d) Enterokinase

Answer: Gastrin

Question: What is Precursor of adrenaline, thyroxin and melanin pigment ?

• a) Parathyroid hormone - Tetany
• b) Prolactin - Cretinism
• c) Relaxin - Gigantism
• d) Insulin - Diabetes insipidus

Answer: Parathyroid hormone - Tetany

Question: Which one of the following pairs correctly matches a hormone with disease resulting from its

• a) Luetinizing hormone - failure of ovulation
• b) Insulin - Diabetes insipidus
• c) Thyroxine - Tetany
• d) Parathyroid hormone - Diabetes mellitus

Answer: Luetinizing hormone - failure of ovulation

Question: What is Precursor of adrenaline, thyroxin and melanin pigment ?

• a) Tyrosine
• b) Glycine
• c) Tryptophan
• d) Proline

Answer: Tyrosine

Question: Chemically the hormones are

• a) Proteins, steroids and biogenic amines
• b) Proteins only
• c) Steroids only
• d) Biogenic amines only

Answer: Proteins, steroids and biogenic amines

Question: Which of the following hormones is not a secretion product of human placenta ?

• a) Prolactin
• b) Estrogens
• c) HCG
• d) Progesterone

Answer: Prolactin

Question: Feeling the tremors of an earthquake a scared resident of seventh floor of a multistoryed building starts climbing down the stairs rapidly. which hormone intiated this action ?

• a) Adrenaline
• b) Glucagon
• c) Thyroxine
• d) Gastrin

Answer: Adrenaline

Question: Match list-I with list-II and select the correct option. (Kerala 2008)

list-I                                          list-II

a) Adrenaline                        1 Myxoedema

b) Hyperparathyroidism        2 Accelerates heart beat

c) Oxytocin                          3 Salt - water balance

d) Hypothyroidism               4 Child birth

e) Aldosterone                     5 Demineralisation

• a) (a - 2) (b - 5) (c - 4) (d - 1) (e - 3)
• b) (a - 5) (b - 3) (c - 2) (d - 4) (e - 1)
• c) (a - 5) (b - 3) (c - 4) (d - 2) (e - 1)
• d) (a - 2) (b - 3) (c - 4) (d - 5) (e - 1)

Answer:  (a - 2) (b - 5) (c - 4) (d - 1) (e - 3)

Question:  Column-I lists the endocrine structure and column-II lists the corresponding hormones match the two column. Identify the correct option those given.

column-I                     column-II

a. Hypothalamus         p. relaxin

b. anterior pituitary     q. estrogen

c. testis                      r. FSH and LH

d. ovary                     s. androgens

                                 t. gonadotropin releasing hormones

• a) (a - r) (b - t) (c - s) (d - q)
• b) (a - t) (b - r) (c - s) (d - q)
• c) (a - p) (b - q) (c - s) (d - r)
• d) (a - t) (b - r) (c - q) (d - s)

Answer: (a - r) (b - t) (c - s) (d - q)

Question: It is the parathyroid gland

• a) Increases blood ca⁺² level
• b) decreases blood ca⁺² level
• c) promotes collagen synthesis by osteoblasts
• d) All of the given

Answer: Increases blood ca⁺² level

Question: Removal of which of the following causes an immediate menstruation ?

• a) Progesterone
• b) FSH - RH
• c) FSH
• d) Estrogen

Answer: Progesterone

Question: Which of the following is not a effect of hypothyrodism ?

• a) Mental stress
• b) Increases Ca⁺² level in blood
• c) edema
• d) to be lethargic

Answer: Mental stress 

Question: What does “a” indicate in the given diagram?

x`

• a) Hypothalamus glomerulus
• b) Portal circulation
• c) Arterial circulaton
• d) None of the given

Answer: Hypothalamus glomerulus

Question:  What does “a” indicate in the given diagram, and what is the function of the labelled region?

• a) Thyroid; regulate BMR
• b) Parathyroid; regulate BMR
• c) Thyroid; More Secration decreases BMR
• d) Parathyroid; regulate Ca⁺ level in blood

Answer: Thyroid; regulate BMR

Question: which of the following option is correct for secretion of region labelled as “a” and “b” in the given diagram?

• a) 

  a = Glucocorticoids

  b = Adrenaline

• b)

  a = nor - epinephrine

  b = Adrenaline

• c)

  a = Adrenaline

  b = Cortisol

• d)

  a = Aldosterone

  b = Cortisol

Answer:

a = Glucocorticoids

b = Adrenaline

Question: What is related to region lablelled as "a" in the diagram?

• a) PTH
• b) LH
• c) TSH
• d) TCT

Answer: PTH

Question: What does “a” and “b” indicates in the given diagram

• a)

  a=Zona Fasiculata

  b=Zona glomerulosa

• b)

  a=Zona glomerulosa

  b=Zona reticularis

• c)

  a=Parathyroid

  b=Thyroid

• d)

  a=Thyroid

  b=parathyroid

Answer:

a=Zona Fasiculata

b=Zona glomerulosa

Question: Which option is correct for the name and secretion of the gland labelled as “a”?

• a) Pancreas-insulin
• b) Pancreas-oxytocin
• c) Liver-bile
• d) Thymus-Thymosine

Answer: Pancreas-insulin

Question: Identify the gland label as “a” ?

• a) Thymus gland
• b) Thyroid gland
• c) Pancreas
• d) None of the given

Answer: Thymus gland

Question: Which option is correct for the region labelled as “a” and “b” ?

• a) a=oxytocin b=c-AMP
• b) a- LH b= c-AMD
• c) a=FSH b= AMD
• d) a=peptide hormone FSH b=cyclic AMP

Answer: a=oxytocin b=c-AMP

Question: What does “c” represent in the diagram ? Which option is correct for its significance

• a) c=Hormone receptor, protein hormone can not express itself without it
• b) c= FSH, it is primary messanger
• c) c- AMP, secondary messanger
• d) c-AMP, Work in place of Ca⁺²

Answer: c=Hormone receptor, protein hormone can not express itself without it

Question: Which of the following hormone follows mechanism shown in the diagram

• a) Progesterone
• b) Insulin
• c) Glycogon
• d) Adrenaline

Answer: Progesterone

Question: Which of the following option is correct for the region labelled as “a” in the given diagram

• a) It strimulate gene expression
• b) It increases negative feedback
• c) It acts as secondary messenger
• d) It acts as primary messenger

Answer: It strimulate gene expression

Question: Which disorder is isolated in the given diagram, and which of the following opotion is correct for its effects.

• a) Exophthalmic goiter
• b) Cushing’s syndrome
• c) Addision’s disease
• d) Myxoedema

Answer: Exophthalmic goiter

Question: Which of the following option is correct for the disease observed in the given photograph?

• a) Over secretion of GH after puberty Acromegaly
• b) Hyposecretion of adrenal- addition disease
• c) Alphs cells over secretion- Hyperglycemia
• d) None of the given

Answer: Over secretion of GH after puberty Acromegaly

Question: Which option is correct in reference to the given picture?

• a) Normal goiter- I₂ deficiency
• b) Exophthalmic goiter- Over secretion of TSH
• c) Normal goiter- over secretion of I₂
• d) Exophthalmic goiter- Islets secretion of goiter

Answer:  Normal goiter- I₂ deficiency

Question: Choose the correct combination of labelling in the hormonal control of female reproductive system.

• a) a = GnRH, b = FSH/LH, c = estrogen or progesterone, d = uterus
• b) a = GnRH, b = STH, c =LH, d = uterus
• c) a = GnRH, b = TSH, c = LTH, d = uterus
• d) a = GnRH, b = ACTH, c = LH, d = uterus

Answer: a = GnRH, b = FSH/LH, c = estrogen or progesterone, d = uterus

Question: Which of the following is correct?

• a)

  

• b)

  

• c) Both
• d) None of the above

Answer: