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Neural Control and Coordination
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Neural Control and Coordination
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25 Questions

1. Which of the following statements iscorrect for -—nodes of Ranvier-˜ of nerve?[2002]
2. In the chemistry of vision in mammals - the photosensitive substance is called [1997]
3. Sensitive pigmented layer of eye is[1989]
4. Anesthetics reduce pain by blockingthe transmission of nerve impulses. Thekindofchemicalsworkingasanesthetics are those that block [1998]
5. Light rays entering the eye iscontrolled by
6. Four healthy people in their twentiesgot involved in injuries resulting indamage and death of a few cells of thefollowing. Which of the cells are leastlikely to be replaced by new cells? [2005]
7. The nerve centres which control thebody temperature and the urge foreating are contained in: [2010]
8. Injury to vagus nerve in humans isnot likely to affect [2004]
9. The most abundant intracellularcation is: [NEET 2013]
10. The purplish red pigment rhodopsincontainedintherodstypeofphotoreceptor cells of the human eye - isa derivative of: [2011]
11. Afferent nerve fibres carry impulsesfrom
12. Cornea transplant in humans isalmost never rejected. This is because[2008]
13. Acute vision is present in [1988]
14. Respiratory centre is situated in[1994]
15. Vagus nerve is
16. When a neuron is in resting state Inot conducting any impulse - the axonalmembrane is: [2011]
17. In the resting state of the neural membrane - diffusion due to concentration gradients - if allowed - would drive [2004]
18. Which part of the human ear playsno role in hearing as such but isotherwise very much required? [2012]
19. Insulin is [1990]
20. Alzheimer disease in humans isassociated with the deficiency of: [2009]
21. Given below is a diagrammatic crosssection of a single loop of humancochlea: A A B C D Which one of thefollowing options correctly representsthe names of three different parts?[2008]
22. Which of the following is an exampleof negative feedback loop in humans?[2007]
23. Which of the following cranial nervescan regulate heart beat? [1989]
24. A person entering an empty roomsuddenly finds a snake right in front onopening the door. Which one of thefollowing is likely to happen in his neuro-hormonal control system? [2012]
25. In vertebrates - simple reflex actionis [1999]