12th Biology Chapter 17 - Coordination and Control Questions Bank

12th Biology Chapter 17 - Coordination and Control Questions Bank
12th Biology Chapter 17 - Coordination and Control Questions Bank

Biology 2nd Year Chapter 17 Coordination and Control Solved MCQs, Important Short Questions and Long Questions Bank

MCQs

Please select the right answer.

1.  The term imprinting was coined by





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





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





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





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





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





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





8. A plant reponse to touch is called





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





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





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





12. Abscisic acid






13. Abscisic acid






14. Aldosterone is produced by which gland that causes reabsorption





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





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






17. Alzheimer disease is:





18. An example of learned behaviorus






19. An oversecretion of GH would lead to






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





21. Auxin causes






22. Blood calcium is lowered by the hormone





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






24. Central nervous system is present in which animal? 





25. Chemically, cortisone is  






26. Cireadian rhythms are based on approximately a





27. Compared to neurotransmitters, hormones act





28. Cortisol is released from the





29. Diffused nervous system is present in which animal? 





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





31. Dorsal root of spinal cord is





32. EEG the most important test for the study of 





33. Effective drug available for Parkinsons disease is






34. Endocrine gland secrets





35. Endocrine glands typically





36. Ethene






37. Etolated Plants grow without:





38. Excesd of which bormone causes Addison's disease.





39. Excess level of cortisol results in





40. Excess thyroxine produces a diseases called





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





42. Foolish seedling disease in rice is caused by





43. Gibberellic acid was discovered by





44. Gibberellin






45. Higher form of learning is the





46. Hindbrain includes the medulla, pons and;






47. Hormone responsible for differentiation of Tlymphocytes is






48. Hormones are made from






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





50. How many interneurons does the CNS contain approximately? 






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





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






53. IAA, NAA, and GA are






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





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






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





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





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





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





60. Islets of Langerhans are found in the





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





62. It is involved in sleeping and wakening





63. Lack of insulin causes:





64. Learning to not responding to a stimulus is called






65. Nerve cells can send messages faster if they have






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





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






68. Nicotine






69. Niesl’s granules are groups of:






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





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






72. Parkinson’s disease is characterized by






73. Peripheral nervous system in man consists of





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





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





76. Resting membrane potential of a neuron is





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





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






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





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





81. The brain stem is composed of





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





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





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





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





86. The diencephalon consists of






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





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






89. The first line of defense against pathogen is






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





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





92. The hormone responsible for delay of senescence is






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





94. The largest part of brain is called:






95. The major target for ACTH is the






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





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





98. The name of metabolic processes are interwoven by





99. The naturally occurring cytokinin is





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






101. The number of spinal nerve in man is





102. The onset of epilepsy is usually before age of 





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





104. The part of human limbic system:





105. The production of fructants by plants is response to





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





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





108. The simplest form of Learning is





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





110. The structures which respond are called:





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





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





113. The term Auxin was coined by





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






115. The typical neuronal resting membrane potential measures between





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





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





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





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





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





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





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






123. Too much ACTH release causes hyperglycemia could alsocause





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






125. What kind of nociceptors are the skin receptors? 





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





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





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





129. Which brain area coordinates skeletal muscle movements? 






130. Which hormone inmalestimulates the production of tasitisteron






131. Which hormone induces labor pain





132. Which hormone is chemically a gteroid?





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





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






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





136. Which of the following is weedicide hormone





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





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





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





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





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





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






143. Which pair of hormones act antagonistically? 





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





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





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





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





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





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





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





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





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






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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