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Biology MCQ Question - Coordination and Control

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1. It is the measure of force with which blood pushes up against the walls of blood vessels.




2. All of the follwing are blood clots except




3. It is the discharge of blood from blood vessels.




4. The flow of lymph is maintained by




5. Introduction of vaccine within the body to produce immunity is an example of




6. Chlorosis, i.e., yellowish hue on the leaves results from




7. Chemically auxins are




8. Gibberellins may be substituted for _____ light, therefore promote flowering in long day plants.




9. Which of the following is antagonist to Auxin in terms of promotion of stem growth?




10. Abscisic acid promotes flowering in short day plants and inhibits in long day plants, which of the following is antagonistic to abscisic acid in terms of flowering:




11. The only promoter of leaf senescence in the following plant hormones is:




12. Which of the following is used in brewing industry to promote malting:




13. Which type of the receptors are present in the ear?




14. Type of sensations carried by nociceptors are:




15. Which of the following statement about neuron is incorrect?




16. Type of neurons found exclusively in CNS are:




17. Maintenance of normal resting potential via movement of K+ inside the cell and na+ out is a/an _______ process.




18. Cell membrane under resting conditions is impermeable to all the ions except




19. At the induction of action potential opening of Na+ gate with influx of Na+ is a _________ processes:




20. Normal resting membrane potential of a neuron is




21. Normal action potential of a neuronal cell is :




22. Na+ -K+ ATPase pump is important for:




23. Maximum speed of nerve impulse transmission is




24. Which of the following has no central nervous system?




25. Co-ordination results in




26. Which of the following are responsible for the detection of changes in environment?




27. Any change in the environment of an organism is called




28. Hydra has




29. Which of the followings is missing from the nervous system of planaria?




30. Co-ordination in man is brought about by




31. Which of the following transmits nerve impulse from receptors to central nervous system?




32. In which of the following neurons length of dendrite is greater than axon?




33. Which of the following neuron has a single long dendron?




34. Which of the following cytoplasmic extensions carry the message toward the cell body?




35. Microscopic gaps between the neuron endings are called




36. What is the function of synapse?




37. Under resting membrane potentials




38. Which of the following ions are involved in the initiation of nerve impulse




39. Reflex actions below the neck are under control of




40. Central nervous system of man consists of




41. Which of the following is largest part of brain




42. Which of the following is present inside the vertebral column




43. Intelligence is under the control of




44. Which of the following is second largest part of the brain?




45. Which of the following acts as thermoregulator?




46. Which of the following allows precise muscular movements?