Chemical Coordination and Integration MCQs | Chemical Coordination and Integration Objective Type Questions and Answers

(1) Insulin receptors are ___________
[A] Extrinsic protein
[B] Intrinsic protein
[C] G protein
[D] Trimeric protein
Answer: Extrinsic protein
(2) What do endocrine cells of the pancreas secrete?
[A] Omega growth hormone
[B] Beta somatostatin
[C] Delta insulin
[D] Alpha glucagon
Answer: Alpha glucagon
(3) Where does synthesis of insulin begin?
[A] rRER
[B] sRER
[C] Nucleolus
[D] Mitochondria
Answer: Nucleolus
(4) How many intermolecular and interamolecular disulfide bond is present in insulin?
[A] 1 Intermolecular, 2 intramolecular
[B] 2 Intermolecular, 2 intramolecular
[C] 2 Intermolecular, 1 intramolecular
[D] 1 Intermolecular, 3 intramolecular
Answer: 2 Intermolecular, 1 intramolecular
(5) Which of the following order is correct?
[A] Insulin > Proinsulin > Preproinsulin
[B] Preproinsulin > Insulin > Proinsulin
[C] Proinsulin > Preproinsulin > Insulin
[D] Preproinsulin > Proinsulin > Insulin
Answer: Preproinsulin > Proinsulin > Insulin
(6) What is the beta subunit of the insulin receptor?
[A] Protein kinase
[B] Tyrosine kinase
[C] Tryptophan kinase
[D] Taurine kinase
Answer: Tyrosine kinase
(7) What do delta cells secrete?
[A] Cortisol
[B] Glucose
[C] Pancreatic enzyme
[D] Somatostatin
Answer: Somatostatin
(8) What is the function of GLUT 4?
[A] Glucose transport
[B] Glycogen transport
[C] Insulin transport
[D] Glucagon transport
Answer: Glucose transport
(9) Hyperglycemia is a condition of high blood glucose.
[A] True
[B] False
Answer: True
(10) _________are responsible for chemical coordination.
[A] Neurons
[B] Nephrons
[C] Hormones
[D] Enzymes
Answer: Hormones
(11) Neural coordination is
[A] Fast and long lived
[B] Fast and short lived
[C] Slow and long lived
[D] Slow and short lived
Answer: Fast and short lived
(12) The ductless glands
[A] Produce non-nutrient intercellular messengers
[B] Found only in non chordates
[C] Are absent in human body
[D] Are called exocrine glands
Answer: Produce non-nutrient intercellular messengers
(13) Which of the following is an incorrect statement?
[A] Hormones are required in trace amounts
[B] Hormones are intra-cellular messengers
[C] Hormones are secreted by endocrine glandular cells
[D] Hormones are secreted in response to a particular stimulus
Answer: Hormones are intra-cellular messengers
(14) Which of the following glands are present in the brain?
[A] Parathyroid gland and thyroid gland
[B] Pituitary gland and thymus
[C] Hypophysis and pineal gland
[D] Pineal gland and thymus
Answer: Hypophysis and pineal gland
(15) The two glands located in the neck region are
[A] Thyroid gland and parathyroid gland
[B] Pituitary gland and pineal gland
[C] Adrenal gland and thymus
[D] Pineal gland and thyroid gland
Answer: Thyroid gland and parathyroid gland
(16) Hypothalamus forms an important link between
[A] Digestive system and nervous system
[B] Nervous system and respiratory system
[C] Nervous system and endocrine system
[D] lntegumentary system and reproductive system
Answer: Nervous system and endocrine system
(17) The neurosecretory cells of hypothalamus which produce hormones are called
[A] Nephrons
[B] Nuclei
[C] Granular cells
[D] Globular cells
Answer: Nuclei
(18) Hypothalemic hormones directly regulate the synthesis and secretion of
[A] Thyroid hormones
[B] Pituitary hormones
[C] Adrenal hormones
[D] Parathomione
Answer: Pituitary hormones
(19) Somatostatin inhibits the release of
[A] Prolactin
[B] Melanin
[C] Thymosin
[D] Growth hormone
Answer: Dendrite axon and cell body
(20) GnRH stimulates_________ to release__________ .
[A] Hypothalamus. gonadotropins
[B] Pituitary gland. gonadotropins
[C] Pituitary gland. growth hormone
[D] Hypothalamus. growth hormone
Answer: Pituitary gland. gonadotropins

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