ZOO502 Solved Paper Updated 2022

Quiz NO.1

1. The genes for ----------- cone pigments are closely linked on the X chromosome____________ __________________________________________________________________Red and green 2. Voltage gated Na+ channels are---------------___________________Fast-acting channels 3. 4.

5. 6. 7. 8.

9.

10. through ---------------------------- ducts…_______________________ Parotid and submandibular 11. 12. 13. Pituitary gland release --------------- hormones______________________________________9 14. 15. 16.

17. Which of the following hormone is released from anterior lobe of pituitary?. _____________________________________________________________________Luteinizing 18. 19. 20. 21. 22. 23. ____________ of the blood volume entering kidney through renal arteries is removed as filtrate by glomeruli_____________________________________________________________10% 24. Adrenal cortex synthesized and secret a family of steroid hormones collectively called____ _________________________________________________________________Corticosteroids 25. An absolute deficiency of insulin due to loss of pancreatic beta-cell causes_____________ ________________________________________________________Diabetes mellitus Type-I 26. 27. 28. 29. 30. 31.

32.

33.

34. The type of the secretion in which entire cell rupture and breaks up to release its contents is called _______________________________________________________ holocrine secretion 35. 36. 37. 38. hormones_______________________________________________________________________5 39. The cell body of Neuron is also called __________.____________________________Soma 40. The Myelin sheath is derived from the ____________.__________________Schwann cells 41. are delicate threads running from cell body into the axon and dendrites.______________Neurofibrils 42. Goldman equation is an equation used to calculate the electrical equilibium potential across the cell's membrane in the presence of ions. ______________________________________________More than one 43. Cell body of neuron contains______________________________________ All of the above 44. Delayed rectifies are —-—-—-—-—— channels ______________________Voltage-gated K+ 45. Nissl's bodies consist of a group of _____ and _____ which are associated with protein Synthesis ___________________________________ Ribosomes, Rough endoplasmic reticulum 46. The__ is the region from which the axon of a neuron originates ______________Axon Hillock 47. 48. Axons contain a jelly-like semi-fluid substance called ______________________________Axoplasm 49. Phases of action potentials include… ________________________________All of the above 50. _____ are Known as “delayed rectifiers” …___________ Voltage-gated potassium channels 51. ___________are also called as spikes and nerve impulses _____________ Action potentials 52. A. L. Hodgkin and A. F. Huxley carried out experiments on giant axons of squids in…______ __________________________________________________________________1940s and 1950s 53. The period during which no new action potential can be fired is called the _________ __________________________________________________________absolute refractory period. 54. Tetrodotoxin is a neurotoxin obtained from the Japanese…___________________ Puffer fish 55. According to Nernst Equation, the equilibrium potential of a diffusible ion depends on. ______________________________________________________________________All of the above 56. In many invertebrate species, action potentials can last for__milliseconds…__________10-100 57. Most neurons have a resting membrane potential of __________ when no impulse is being conducted _________________________________________________________________.-70mV 58. Cell body of neuron range in size between-_________________________________5um – 135um 59. Major ions responsible for Vrest are ____________________________________ K+, Na+ & Cl 60. __________ is the plasma membrane of an axon __________________________Axolemma 61. Threshold potentials of most neurons fall between___and ____ ___________ -30 mV, -50 mV 62. ____________are the type of signals that neurons use to send information over long distances…________________________________________________________Action potentials 63. The permeability of Na+ channel for K+ ion is ------______________________________________0.09 64. Most neurons have a RMP of …. when no impulse is being conducted__________________ -70mV 65. The receptors for umami taste were discovered in the year ________________________.2000 66. Internal stimuli include Stimuli of________ _____________________________________.Pain 67. Major Neuromodulators in the Central Nervous System include____________All of the above 68. Humans have more than ___________ different types of receptors for bitter taste.________ 30 69. Cornea is the clear outer surface of the ________________________________________.eye 70. _______ produce tears that is delivered through ___________ on the surface of eye.________ ___________________________________________________________________Lacrimal glands, lacrimal duct 71.

GRAND QUIZ/MID TERM

1. The genes for ---- cone pigments are closely linked on the X chromosome. ______Red and green
2. Which of the following is an example of Apocrine Secretion?._______________Mammary glands
3. Adenohypophysis contains ---------------- types of glandular cells that synthesize and secrete six
4. A color-blind person who lacks ------------------cones is called a deuteranope ____________Green
5. Oxytocin stimulates motility of the oviduct in ______________________________________Birds
6. Parathormone over secretion leads to ________________________________Softness of bones
7. Substance that is released via a duct through the gland to the external or internal epithelial
8. Amine hormones (thyroid and adrenal medullary hormones) are synthesized by the action of
9. Salivary glands produce saliva that is delivered to the oral cavity for partial digestion of food through ---------------------------- ducts _________________________ submandibular and Parotid
10. Which of the following hormone acts as enteric neurotransmitter _______________Substance P
11. Which of the following hormone Inhibits release of growth hormone? ____________Somatostatin
12. Pituitary gland release --------------- hormone _________________________________________9
13. Which of the following is an example of steroid hormone? _____________________Aldosterone
14. In many organisms. ACTH is also related to the _______________________ Circadian rhythms
15. That type of secretion In Which entire cell is ruptured and breaks up to release its contents is
16. Which of the following hormone is released from anterior lobe of pituitary?.._________Luteinizing
17. Glycosuria is the secretion of glucose into the …___________________________________Urine
18. In mammalian kidney, the pyramids are seen in …_______________________________ Medulla
19. Somatostatin ______ the secretion of insulin and glucagon…\_______________________ Inhibit
20. The islets of Langerhans contain _____ ______All of these (alpha, beta, delta and PP cells)
21. Which of the following is a part of foregut ?…_____________________________________ Crop
22. ____________ of the blood volume entering kidney through renal arteries is removed as filtrate by glomeruli…_________________________________________________________________ 10%
23. Adrenal cortex synthesized and secret a family of steroid hormones collectively called…__________________________________________________________Corticosteroids
24. An absolute deficiency of insulin due to loss of pancreatic beta-cell causes…_________________________________________________ Diabetes mellitus Type-I
25. ____ are involved in spermatogenesis…____________________________________Germ Cells
26. Insulin is secreted from the ______ of islets of Langerhans ______________________ Beta cells
27. Which of the following is an example of apocrine secretion? ______________ Mammary glands
28. Seminiferous tubules are located within the ______._______________________________Testes
29. Mammals have _____ adrenal glands ____________________________________________Two
30. Salivary glands produce saliva that is delivered to the oral cavity through _______________
31. An relative deficiency of insulin associated with defective insulin receptors causes -
32. Chromaffin cells are neuroendocrine cells found mostly in the _____ of the adrenal glands in
33. The type of the secretion in which entire cell rupture and breaks up to release its contents is called _____________________________________________________________holocrine secretion
34. The islets of Langerhans are found in…______________________________________Pancreas
35. Delta cells constitutes _______ of islets…_________________________________________10%
36. Major stimulus for the beta cells to secret insulin is high blood ____ level ____________ Glucose
37. __________________is the process of converting that sensory signal to an electrical Signal ___________________________________________________________Sensory transduction
38. Membrane potential is expressed in…________________________________________Millivolts
39. Growth hormone is a protein hormone f about___ amino acids in a single chain ___________191
40. Cold Receptors are __________ times more common in skin than heat receptors __________3.5
41. _____________________ secretes progesterone and estrogens…___________ Corpus luteum
42. Antidiuretic Hormone is also known as…___________________________________Vasopressin
43. Thickness of cell membrane is —-_______________________________________________5nm
44. __________________ are cyclic unsaturated hydroxy fatty acids _____________Prostaglandins
45. In positive feedback systems the end product __the process of its production_______Speeds up
46. An ____________________ is a simple, painless test that measures your heart's electrical activity…_______________________________________________________Electrocardiogram
47. __________________ is the phenomenon of unequal distribution of ions across the two sides of a differentially permeable membrane…_______________________________ Donnan Equilibrium
48. Neurohypophysis secretes… __________________________________ Vasopressin. Oxytocin
49. _____________________________ are coupled transporters that transfer two solutes in opposite directions ___________________________________________________________. Antiporters
50. Prostaglandins are synthesized in cellular membranes from ____ chains…__20-carbon fatty acid
51. ____________________ are also called water channels protein…_______________Aquaporins