Class 11 Biology Chapter 22 Chemical Coordination and Integration MCQ Questions with Answer

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Chemical Coordination and Integration Class 11 MCQ Questions with Answer

Class 11 Biology MCQ with answers are given here to Chapter 22 Chemical Coordination and Integration. These MCQs are based on the latest CBSE board syllabus and relate to the latest Class 11 BIology syllabus. By Solving these Class 11 MCQs, you will be able to analyze all of the concepts quickly in the chapter and get ready for the Class 11 Annual exam.

Learn Class 11 Chemical Coordination and Integration MCQs with answers pdf free download according to the latest CBSE and NCERT syllabus. Students should prepare for the examination by solving CBSE Class 11 Biology Chemical Coordination and Integration MCQ with answers given below :

Question 1. Which of the following hormone is required for the maintenance of corpus luteum ?
(a) Progesterone
(b) Estrogen
(c) FSH
(d) LH

Question 2. A gorilla like appearance with huge hands and legs is due to abnormal secretion of
(a) FSH
(b) LH
(c) LTH
(d) GH

Question 3. ACTH is secreted by
(a) adrenal cortex
(b) pituitary
(c) adrenal medulla
(d) thyroid

Question 4. Ovulation in humans is controlled by
(a) FSH and LTH
(b) FSH and G.H
(c) LTH and LH
(d) FSH and LH

Question 5. Secretion of estrogen is controlled by
(a) hCG
(b) FSH
(c) progesterone
(d) testosterone

Question 6. 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 7. Oxytocin hormone is produced by
(a) pituitary
(b) adrenals
(c) hypothalamus
(d) thyroid

Question 8. 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 9. MSH is secreted by
(a) pars intermedia
(b) pars tuberalis
(c) pars distalis
(d) pars nervosa

Question 10. When amount of ADH decreases in blood, micturition
(a) increases
(b) decreases
(c) remains unaffected
(d) increases and then decreases

Question 11. Anti-ageing hormone is
(a) thyroxine
(b) melatonin
(c) estrogen
(d) testosterone

Question 12. Sleep-wake cycle and menstrual cycle are maintained by
(a) progesterone
(b) melatonin
(c) oxytocin
(d) MSH

Question 13. Ovulation and formation of corpus luteum is controlled by
(a) ICSH
(b) FSH
(c) thyroxine hormone
(d) luteinizing hormone

Question 14. Abnormal secretion of thyroxine produces
(a) acromegaly
(b) Addison’s disease
(c) cretinism
(d) goitre

Question 15. Which hormone helps in reabsorption of water from kidney?
(a) ADH
(b) STH
(c) ACTH
(d) TTH

Question 16. Which of the following hormone opposes parathormone ?
(a) ADH
(b) STH
(c) Thyroxine
(d) Thyrocalcitonin

Question 17. Which of the following gland is often referred in connection with AIDS?
(a) Thymus
(b) Thyroid
(c) Adrenal
(d) Pancreas

Question 18. Thyroxine acts on every organ of the body, except
(a) adult brain
(b) testis
(c) thyroid itself
(d) bones

Question 19. Which of the following is (are) not influenced by parathyroid hormone ?
(a) Kidney
(b) Bone
(c) Small intestine
(d) None of the above

Question 20. Which endocrine gland stores its secretion in extracellular spaces before discharging it into blood?
(a) Testis
(b) Pancreas
(c) Thyroid
(d) Adrenal

Question 21. 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 22. Which of the following hormone acts upon the renal tubule and blood capillaries ?
(a) Glucagon
(b) Aldosterone
(c) Vasopressin
(d) Glucocorticoids

Question 23. Diabetes insipidus is caused by hyposecretion of
(a) insulin
(b) vasopressin
(c) oxytocin
(d) thymosin

Question 24. 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 25. Triple ‘F’ gland for flight, fright and fight is
(a) thyroid
(b) thymus
(c) pituitary
(d) adrenal

Whoever needs to take the CBSE Class 11 Board Exam should look at this MCQ. To the Students who will show up in CBSE Class 11 Biology Board Exams, It is suggested to practice more and more questions. Aside from the sample paper you more likely had solved. These Chemical Coordination and Integration Class 11 MCQ are ready by the subject specialists themselves.

Question 26. 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 27. Which hormone possesses anti-insulin effect?
(a) Cortisol
(b) Calcitonin
(c) Oxytocin
(d) Aldosterone

Question 28. Blood glucose level in man is regulated by
(a) insulin only
(b) adrenaline
(c) glucagon and insulin
(d) all of the above

Question 29. 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 30. 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 31. 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 32. During pregnancy corpus luteum
(a) degenerates.
(b) changes to corpus albicans.
(c) persists until parturition.
(d) persists upto the middle of pregnancy.

Question 33. Hormone which helps in implantation of embryo in uterus is
(a) estrogen
(b) oxytocin
(c) relaxin
(d) progesterone

Question 34. 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 35. 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 36. Which of the following is a gastro-intestinal hormone?
(a) Cholinesterase
(b) Enterokinase
(c) Secretin
(d) Interocrinin

Question 37. In human, testosterone is produced by
(a) tunica albuginea
(b) leydig cell
(c) seminiferous tubule
(d) sertoli cell

Question 38. 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 39. 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 40. 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 41. Receptors for protein hormones are found
(a) inside nucleus
(b) inside cytoplasm
(c) on surface of ER
(d) on cell surface

Question 42. 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 he nucleus) ?
(a) Somatostatin, Oxytocin
(b) Cortisol, Testosterone
(c) Insulin, Glucagon
(d) Thyroxine, Insulin

Question 43. 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 44. 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 45. Which hormone interacts with membrane bound receptor and does not normally enter the target cell?
(a) FSH
(b) Estrogen
(c) Thyroxine
(d) Cortisol

Question 46. Which one of the following is not a second messenger in hormone action ?
(a) Calcium
(b) Sodium
(c) cAMP
(d) cGMP

Question 47. 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 48. 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 49. 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 50. 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)

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