MCQ Chapter 22 Chemical Coordination and Integration Class 11 Biology

Please refer to Chemical Coordination and Integration MCQ Questions Class 11 Biology below. These MCQ questions for Class 11 Biology with answers have been designed as per the latest NCERT, CBSE books, and syllabus issued for the current academic year. These objective questions for Chemical Coordination and Integration will help you to prepare for the exams and get more marks.

Chemical Coordination and Integration MCQ Questions Class 11 Biology

Please see solved MCQ Questions for Chemical Coordination and Integration in Class 11 Biology. All questions and answers have been prepared by expert faculty of standard 11 based on the latest examination guidelines.

MCQ Questions Class 11 Biology Chemical Coordination and Integration

Question- Blood glucose level in man is regulated by
(a) insulin only
(b) adrenaline
(c) glucagon and insulin
(d) all of the above

Question- Which of the following hormone is required for the maintenance of corpus luteum ?
(a) Progesterone
(b) Estrogen
(c) FSH
(d) LH

Question- Which hormone possesses anti-insulin effect?
(a) Cortisol
(b) Calcitonin
(c) Oxytocin
(d) Aldosterone

Question- Mark the correct statement regarding somatostatin.
(a) It is secreted from anterior pituitary.
(b) It inhibits the release of growth hormone.
(c) It is secreted from posterior pituitary.
(d) It stimulates STH secretion.

Question- Ovulation and formation of corpus luteum is controlled by
(a) ICSH
(b) FSH
(c) thyroxine hormone
(d) luteinizing hormone

Question- MSH is secreted by
(a) pars intermedia
(b) pars tuberalis
(c) pars distalis
(d) pars nervosa

Question- Abnormal secretion of thyroxine produces
(a) acromegaly
(b) Addison’s disease
(c) cretinism
(d) goitre

Question- Which one of the following disease is caused by the under secretion of cortisol hormone?
(a) Anaemia
(b) Addison’s disease
(c) Hyperglycemia
(d) Mental retardation

Question- Deficiency of vasopressin primarily results in
(a) increased volume of urine.
(b) decreased volume of urine.
(c) excessive secretion of urochrome.
(d) change in pH from acidic to alkaline range.

Question- Which of the following gland is often referred in connection with AIDS?
(a) Thymus
(b) Thyroid
(c) Adrenal
(d) Pancreas

Question- Sleep-wake cycle and menstrual cycle are maintained by
(a) progesterone
(b) melatonin
(c) oxytocin
(d) MSH

Question- When amount of ADH decreases in blood, micturition
(a) increases
(b) decreases
(c) remains unaffected
(d) increases and then decreases

Question- Secretion of estrogen is controlled by
(a) hCG
(b) FSH
(c) progesterone
(d) testosterone

Question- Which of the following occurs due to ADH deficiency?
(a) Increase urine output.
(b) Increased water in urine.
(c) Less urine.
(d) No urination.

Question- Which of the following hormone acts upon the renal tubule and blood capillaries ?
(a) Glucagon
(b) Aldosterone
(c) Vasopressin
(d) Glucocorticoids

Question- Steroid hormones are produced only by the
(a) adrenal medulla and pancreas.
(b) thyroid gland and pancreas.
(c) anterior and posterior pituitary.
(d) sex organs and adrenal cortex.

Question-Which endocrine gland stores its secretion in extracellular spaces before discharging it into blood?
(a) Testis
(b) Pancreas
(c) Thyroid
(d) Adrenal

Question- Thyroxine acts on every organ of the body, except
(a) adult brain
(b) testis
(c) thyroid itself
(d) bones

Question- The hormone that supports pregnancy and stimulates mammary glands for the formation of alveoli for storing milk, is secreted from
(a) anterior Pituitary
(b) posterior pituitary
(c) graafian follicle
(d) corpus luteum

Question- Which of the following is (are) not influenced by parathyroid hormone ?
(a) Kidney
(b) Bone
(c) Small intestine
(d) None of the above

Question- Choose the correct statement about ‘neurohypophysis’ ?
(a) It stores and release hormones secreted by hypothalamus.
(b) It secretes its own hormones.
(c) It is poorly developed and functionless in humans.
(d) It stores the hormones produced by adenohypophysis.

Question- Thymus in mammals is mainly concerned with
(a) regulation of body growth.
(b) secretion of thyrotropin.
(c) regulation of body temperature.
(d) immunological functions.

Question- Anti-ageing hormone is
(a) thyroxine
(b) melatonin
(c) estrogen
(d) testosterone

Question- Triple ‘F’ gland for flight, fright and fight is
(a) thyroid
(b) thymus
(c) pituitary
(d) adrenal

Question- Anterior lobe of pituitary secretes
(a) ACTH, TSH and oxytocin
(b) STH, GH and ADH
(c) TSH, ADH and prolactin
(d) FSH, GH and LH

Question- Glycogenesis is the result of the hormone secreted from
(a) alpha cells of pancreas.
(b) beta cells of pancreas.
(c) thyroid gland.
(d) adrenal gland.

Question- Which of the following statements is correct in relation to the endocrine system?
(a) Organs in the body like gastrointestinal tract, heart,kidney and liver do not produce any hormones.
(b) Non-nutrient chemicals produced by the body in trace amount that act as intercellular messenger are known as hormones.
(c) Releasing and inhibitory hormones are produced by the pituitary gland .
(d) Adenohypophysis is under direct neural regulation of the hypothalamus.

Question- Diabetes insipidus is caused by hyposecretion of
(a) insulin
(b) vasopressin
(c) oxytocin
(d) thymosin

Question- One similarity between enzymes and hormones is that
(a) both are proteins.
(b) both can be used again and again.
(c) both are used in minute amount.
(d) both act at a particular pH.

Question-In human, testosterone is produced by
(a) tunica albuginea
(b) leydig cell
(c) seminiferous tubule
(d) sertoli cell

Question- Oxytocin hormone is produced by
(a) pituitary
(b) adrenals
(c) hypothalamus
(d) thyroid

Question- During pregnancy corpus luteum
(a) degenerates.
(b) changes to corpus albicans.
(c) persists until parturition.
(d) persists upto the middle of pregnancy.

Question- Hormone which helps in implantation of embryo in uterus is
(a) estrogen
(b) oxytocin
(c) relaxin
(d) progesterone

Question- Which hormone helps in reabsorption of water from kidney?
(a) ADH
(b) STH
(c) ACTH
(d) TTH

Question- The hormone secretin is produced in
(a) pancreas and influences conversion of glycogen into glucose.
(b) small intestine and stimulates pancreas.
(c) adrenal glands and accelerates heartbeat.
(d) testes and produces male secondary sexual characters.

Question- A gorilla like appearance with huge hands and legs is due to abnormal secretion of
(a) FSH
(b) LH
(c) LTH
(d) GH

Question- Secretion of which of the following structure is responsible in preparing the inner wall of uterus for implantation ?
(a) Ovary
(b) Pituitary gland
(c) Corpus luteum
(d) Ovarian follicle

Question- ACTH is secreted by
(a) adrenal cortex
(b) pituitary
(c) adrenal medulla
(d) thyroid

Question- Which hormone interacts with membrane bound receptor and does not normally enter the target cell?
(a) FSH
(b) Estrogen
(c) Thyroxine
(d) Cortisol

Question- Ovulation in humans is controlled by
(a) FSH and LTH
(b) FSH and G.H
(c) LTH and LH
(d) FSH and LH

Question- Which one of the following is not a second messenger in hormone action ?
(a) Calcium
(b) Sodium
(c) cAMP
(d) cGMP

Question- What of the following is correct about calcitonin ?
(a) It contains iodine.
(b) It is an amino acid.
(c) It is released from parathyroid.
(d) It is released from thyroid gland 

Question- Source of somatostatin is the same as that of
(a) insulin and glucagon
(b) vasopressin and oxytocin
(c) thyroxine and calcitonin
(d) somatotropin and prolactin

Question- Which of the following is a gastro-intestinal hormone?
(a) Cholinesterase
(b) Enterokinase
(c) Secretin
(d) Interocrinin

Question- Which statement regarding PTH is correct?
(a) It is a peptide hormone.
(b) It stimulates bone resorption.
(c) It is hypercalcemic hormone.
(d) All of the above.

Question- Which of the following hormone opposes parathormone ?
(a) ADH
(b) STH
(c) Thyroxine
(d) Thyrocalcitonin

Question- Which of the following is correct for thyrocalcitonin ?
(a) Produced by parathyroid and decreases Ca++ in ECF.
(b) Produced by thyroid and decreases Ca++ in ECF.
(c) Produced by parathyroid and increases Ca++ in ECF.
(d) Produced by thyroid and increases Ca++ in ECF.

Question- Hormones of pituitary gland are
(a) some steroids and some proteins
(b) all proteins/peptides.
(c) complex substances formed from proteins, steroids,carbohydrates.
(d) all steroids.

Question- 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) ?
(a) Somatostatin, Oxytocin
(b) Cortisol, Testosterone
(c) Insulin, Glucagon
(d) Thyroxine, Insulin

Question- Norepinephrine
(i) is released by sympathetic fibres.
(ii) is released by parasympathetic fibres.
(iii) increases the heart rate.
(iv) decreases blood pressure.
Which of the above said statements are correct?
(a) (i) and (ii)
(b) (i) and (iii)
(c) (ii) and (iii)
(d) (ii) and (iv)

Question- Receptors for protein hormones are found
(a) inside nucleus
(b) inside cytoplasm
(c) on surface of ER
(d) on cell surface