2nd Year Biology Chapter 17 Coordination and Control Notes

biology 12th notes chapter 17

1. Abscisic acid


2. Humans ignoring night sounds while asleep is an example of


3. The neurons of CNS that form myelin sheath, provide nutrition and areinvolved in phagocytic activity are know as


4. Photosynthesis and luminescence in algae and dinoflagelltes, CO₂ metabolismin Bryophyulm are


5. The thalamus carries sensory information to the limbic system and:


6. Which hormone is most commonly associated with the “fight or flight”response to stress?


7. The typical neuronal resting membrane potential measures between


8. Abscisic acid


9. The corpuscles situated quite deep in the body and are in form of encapsulated neurons ending, receive deep Pressure stimulus is:


10. An example of learned behaviorus


11. Parkinson disease tremors are the result of which condition? 


12. Which brain area acts to screen all incoming sensory data? 


13. A patient that is losing weight and suffering from an increased bodytemperature could be hypersecreting


14. The study of the natural history of animal behavior is


15. Which portion of the brain maintains homeostasis by linking activities of theendocrine and nervous system together? 


16. The formation of air tubes in submerged roots is an adaptation to


17. Nerve cells can send messages faster if they have


18. The largest part of brain is called:


19. The diencephalon consists of


20. A large number of bundle fibers that connect the left and right cerebralhemispheres is


21. The very small gap between an axon sending a message and dendritereceiving the message is the


22. Parkinson’s disease is characterized by


23. Which of the followings describes a plant response to heat stress? 


24. Resting membrane potential of a neuron is


25. EEG the most important test for the study of 


26. Neurons which make up the nervous system,consist of


27. The embryonic hindbrain gives rise to which structures in the brain? 


28. Who send information from the sense organs to the C.N.S? 


29. The onset of epilepsy is usually before age of 


30. Which brain area coordinates skeletal muscle movements? 


31.  The term imprinting was coined by


32. Chemically, cortisone is  


33. The material in the brain and spinal cord which contains the cell bodies anddendrite of nerve cells is? 


34. Excess thyroxine produces a diseases called


35. Who connect different neurons together, send information between neurons.Through short dendrites and short axons? 


36. Which structures would not be innervated by the sympathetic nervous system? 


37. The oytopiasmic process/tibres which carry impulse towards cell body is called:


38. How many interneurons does the CNS contain approximately? 


39. This hormone from the hypothalamus stimulates release of ACTH from theanterior pituitary


40. Influx of which ion causes depolarization of the membrane, as the first phaseof the action potential? 


41. Gibberellin


42. The number of spinal nerve in man is


43. The influence of daily cycle of light and darkness on the physiology andbehaviour of an organism is known as


44. It is an automatic neuromuscular action elicited by a defined stimulus


45. The production of fructants by plants is response to


46. The naturally occurring cytokinin is


47. Nicotine


48. All of the following are hormones of the anterior pituitary except


49. Aldosterone is produced by which gland that causes reabsorption


50. Diffused nervous system is present in which animal? 


51. This hormone would be at an increased level in a mother who is breastfeeding


52. The term Auxin was coined by


53. Learning to not responding to a stimulus is called


54. A plant reponse to touch is called


55. Which of the following receptors produce the sensation of pain?


56. IAA, NAA, and GA are


57. The gland which can be classified as an endocrine and an exocrine gland isthe


58. A 30 years old male complains of being over weight, sluggish in nature, hairloss, dry skin and intolerance of cold, he is suffering from 


59. The material in the brain and spinal cord which contains the axons andmyelin sheathes of nerve cells is


60. Blood calcium is lowered by the hormone


61. The branch of the autonomic nervous system that induces the “flight orfight” response is the


62. Excesd of which bormone causes Addison’s disease.


63. Auxin causes


64. Compared to neurotransmitters, hormones act


65. Peripheral nervous system in man consists of


66. Fixed action pattern is stereotype behavior that is triggered by anexternal sensory stimulus as


67. Nerve impulses always travel to the brain through ⎯⎯⎯⎯⎯ fibers. 


68. The body temperature regulation in human is based on complex homeostatic thermostat persent in the: 


69. Excess level of cortisol results in


70. Ethene


71. The structures which respond are called:


72. The receptors which note the changes in blood pressure are


73. How many types of receptors are present in skin?


74. Which of these is the large part of your brain? 


75. Alzheimer disease , is a progressive, degenerative brain disease.Itssymptoms include


76. An oversecretion of GH would lead to


77. What kind of meissner corpuscle and pacinian corpuscle are the skinreceptors? 


78. The part of human limbic system:


79. Lack of insulin causes:


80. Which of the ions are most abundant on the inside and outside of the neuronat its resting potential? 


81. Which of the following is not a function of sympathetic system? 


82. Which of the following is weedicide hormone


83. The biological clock is time measuring system which is independent and is


84. In neurons the message is transmitted across synapse in the form of chemical messenger called


85. These two hormones are produced by the hypothalamus but stored in theposterior pituitary


86. Etolated Plants grow without:


87. They detect sound, motion, position in relation to gravity, touch, pressure


88. A rat in a box learns to associate pressing a lever with obtaining food


89. Endocrine gland secrets


90. You duck your head when a baseball is thrown toward your face.You areresponding to


91. As the sun comes up in the morning your blood level of what goes down andyou wake up. 


92. Plants may be made to grow taller by applying the chemical


93. Dorsal root of spinal cord is


94. The cytoplasmie process/fibres which carry impulse towards cell body is called


95. Which hormone inmalestimulates the production of tasitisteron


96. Too much ACTH release causes hyperglycemia could alsocause


97. A cell or group of cells specialized to detect changes in the environment andtrigger impulses are know as


98. Endocrine glands typically


99. The hormone responsible for delay of senescence is


100. A patient suffering from dwarfism is most likely deficient in


101. In combination with auxin,it stimulates cell division in plants and determinesthe course of differentiation


102. Hormones are made from


103. Dog salivating at the ringing of a bell is associated with what type ofbehavior


104. The division of the peripheral nervous system that regulates your heart beatis


105. Central nervous system is present in which animal? 


106. The first line of defense against pathogen is


107. Gibberellic acid was discovered by


108. Who send information from the C.N.S.to the effectors? 


109. When your finger accidentally gets caught in a door, the pain message is sentto your brain through


110. One of the most important uses of auxin is the


111. Which part of the brain is the seat of conscious activities? 


112. Which term should be last in the reflex sequence? 


113. Which hormone induces labor pain


114. The name of metabolic processes are interwoven by


115. Islets of Langerhans are found in the


116. A “skinner box” is used for experiments in


117. Increased response to an increase in stimulus intensity is called


118. The brain stem is composed of


119. Calcium is released from bone into the bloodstream due to the action of


120. Cireadian rhythms are based on approximately a


121. Effective drug available for Parkinsons disease is


122. The atrctures which respond by the impulae coming from the motor neurons are called


123. Foolish seedling disease in rice is caused by


124. The structure of human brain that control sleep-wake cycle.


125. The animals which are active at dusk or dawn are termed as


126. It is involved in sleeping and wakening


127. Which hormone is chemically a gteroid?


128. Hormones that enter target cells and bind to receptors in the cytoplasm andthen enter the nucleus are called


129. Which of the following is NOT function of auxin? 


130. The centers for thermoregulation, osmoregulation, are located in


131. The set point of glucose blood level in your body is


132. Hormone responsible for differentiation of Tlymphocytes is


133. Which of these is true when a neuron is at rest? 


134. The simplest form of Learning is


135. When a neuron reaches at action potential, it depolarizes in


136. Which part of neuron carries the signals away from the soma? 


137. Niesl’s granules are groups of:


138. In which portion of the spinal cord do the interneurons lie? 


139. To cure Parkinsons Disease Dopamine producting Cells could be grafed directly into the:


140. Higher form of learning is the


141. Which of these nuclei is not located entirely within the medulla oblongata? 


142. The synthesis and release of abscisic acid in a plant is response to


143. What kind of nociceptors are the skin receptors? 


144. Hindbrain includes the medulla, pons and;


145. Which pair of hormones act antagonistically? 


146. Cortisol is released from the


147. Alzheimer disease is:


148. The major target for ACTH is the


149. A reflex action involving one or more interneurons between sensory andmotor neuron is termed as


150. If bio-rhythm occurs with a frequency of 24 hours, it is called


151. A sensitive phase and critical period are associated with what type ofbehavior


152. Thyroxin travels through the bloodstream acting onmany target cells to increase


Short Questions

1. Compare Circadian and Circannual rhythms.
2. Define biorhythm or biological rhythm?
3. Define biorhythms or biological rhythms?
4. Define circadian rhythm (diurnal rhythm).
5. Define coordination?
6. Define electrical potential and membrane potential?
7. Define etiolation.
8. Define feedback mechanism.
9. Define learning behaviour?
10. Define Meissner’s corpuscles in man?
11. Define nerve impulse?
12. Define saltatory impulse. Define saltatory impulse and synapse.
13. Define stimulus?
14. Define the term hormone in plants?
15. Define the term hormone, give one example?
16. Describe pacinian corpuscles in man?
17. Differentiate between active and resting membrane potential.
18. Differentiate between biorhythms and diurnal rhythms.
19. Differentiate between callus and galls.
20. Differentiate between chemoreceptors and mechanoreceptors.Quote examples?
21. Differentiate between etiolation and chlorosis. What is chlorosis?
22. Differentiate between sympathetic and parasympathetic nervous system.
23. Do most highly developed organisms like human beings detect and respond to all the stimuli in their environment?
24. Explain chlorosis in plants?
25. Explain imprinting?
26. Explain the functions of two hormones secreted by Islets of Langerhans. What is the role of insulin and glucagon in the body?
27. Explain the receptors which respond to the mechanical conditions of the internal body organs?
28. Give effects of nicotine on blood vascular system and digestive system in man. What is the action of nicotine on coordination?
29. Give role of 2, 4 Dichlorophenoxyacetic Acid.
30. Give two commercial applications of Gibberellins.
31. Give two functions of Abscisic acid?
32. Give two functions of Cytokinins?
33. Give two functions of giberrellins?
34. How are gibberellins commercially produced?
35. How do the terrestrial vertebrates detect vibrations of the ground?
36. How do thermo receptors respond?
37. How does coordination occur in unicellular organisms?
38. How does natural auxin affect the growth of the stem?
39. How neuron fibres and cell bodies can be excited?
40. How plants respond to the stimuli?
41. In higher animals how coordination is brought about?
42. Name and define different types of tropisms.
43. Name different plant hormones?
44. Name different types of neurons?
45. Name the unit of structure and function in the nervous system?
46. What are androgens?
47. What are Associative Neurons?
48. What are axons and dendrites? How axon differ from dendrites.
49. What are Axons?
50. What are Calluses?
51. What are chemoreceptors?
52. What are commercial applications of Cytokinins?
53. What are cranial nerves?
54. What are diurnal rhytms?
55. What are Effectors?
56. What are elements of nervous system?
57. What are galls?
58. What are gastrin and secretin? Give the functions of secretin and gastrin. Name the two hormones of gut.
59. What are Mechanoreceptors?
60. What are Meissner’s corpuscles?
61. What are Motor neurons?
62. What are Nissl’s granules?
63. What are Nissl’s granules? What are neuroglia and Nissl’s granules?
64. What are nociceptors?
65. What are pacinian corpuscles?
66. What are photoreceptors?
67. What are plant hormones?
68. what are Receptors?
69. What are Sensory Neurons?
70. What are sensory neurons?
71. What are the commercial applications of auxins?
72. What are the commercial applications of ethene?
73. What are the receptors in the animals?
74. What are the receptors which produce sensation of pain known as?
75. What are the symptoms of Alzheimer’s disease?
76. What are thermo-receptors?
77. What do you mean by circannual rhythm?
78. What ethologists think about animal’s response?
79. What is a gall in plants?
80. What is cell body or soma?
81. What is chlorosis?
82. What is Circaannual?
83. What is commercial application cytokinin?
84. What is commercial application of abscisic acid?
85. What is commercial application of ethane?
86. What is coordination?
87. What is Dendron or are dendrites?
88. What is innate behavior?
89. What is modality of sensation?
90. What is nervous coordination?
91. What is Neuroglia?
92. What is Parkinson’s disease? Differentiate between Parkinson’s and Epilepsy.
93. What is parthenocarpy and parthenocarpic fruits?
94. What is refles Arc?
95. What is reflex arc? Differentiate between reflex action and reflex arc.
96. What is synapse?
97. What is the chemical name of naturally occurring auxin?
98. What is the commercial application of cytokinins?
99. What is the difference between CNS and PNS?
100. What is the effect of nicotine on coordination?
101. What is the function of estrogen and progesterone?
102. What is the function of parathyroid gland or parathormone?
103. What is the role of hypothalamus?
104. What is the role of thyroxine?
105. What is the role of vasopressin/ADH and oxytocin hormone?
106. What is use of GA3?
107. Which senses are located in the skin?
108. Which type of plants are said to etiolated?
109. Who has demonstrated and studied operant conditioning or conditioned reflex type II?
110. Why Chlorosis arises?
111. Write down commercial applications of gibberellins?
112. Write down the names of the various plant hormones, natural as well as synthetic.
113. Write function of photoreceptors and nociceptors.

Long Questions

1. Define and explain feedback mechanism?
2. Define and explain nerve impulse.
3. Define and explain nerve impulse. Describe initiation of nerve impulse.
4. Describe four different types of learning behavior.
5. Describe the role and commercial application of Gibberellins.
6. Describe the role of Abcisic Acid and Ethane in plant growth.
7. Describe the role of Auxins.
8. Describe the various hormones secreted by anterior lobe of pituitary gland.
9. Discuss peripheral nervous system in man.
10. Discuss the important factors which involve in changing the resting membrane potential to active membrane potential.
11. Discuss the nervous system of Hydra.
12. Compare the nervous system of Hydra and Planaria.
13. Explain nerve impulse in detail. Describe the initiation of nerve impulse.
14. Give comparison of nervous system of Planaria and Hydra.
15. Nervous system of Hydra is better developed than of Planaria.Discuss.
16. What are neurons, give its types and their function.
17. What are receptors? Describe its different types.
18. What is feedback mechanism? Explain with example.
19. What is reflex arc? Describe the flow of information through the Nervous system.
20. What is resting membrane potential? How it is maintained?
21. What is synapse? How a nerve impulse transmits through synaptic cleft?
22. Write a brief note on conditioned reflex type I.
23. Write a detail note on Islets of Langerhans.
24. Write a note of thyroid gland?
25. Write a note on adrenal glands? Describe in detail the role of adrenal glands
26. Write a note on innate behavior.
27. Write a note on thyroid gland.
28. Write brief note on Conditioned Reflex Type 1.

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