NCERT Class 11 MCQ Quiz Hub

MCQ Questions for Class 11 Biology sets 4

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1. Growth in dorsiventral leaf is measured in terms of




2. Mechanism of development was explained by (a)




3. Which growth hormone accerlates the malting process in brewing industry?




4. Which plant growth regulator is the derivative of carotenoids?




5. Typical plant growth shows _________ curve.




6. Mobilisation of stored food in germinating seeds is triggered by




7. Which part of brain causes nausea?




8. Correct enzyme-substrate pair is




9. Peyers patches found in the small intestine are




10. During prolonged fasting, in what sequence are the following organic compounds used up by the body?




11. In glycolysis ultimately




12. The HCl in gastric juice converts:




13. Which enzyme is used in alcoholic fermentation of yeast?




14. Assimilation means




15. The pH scale is used to measure




16. Which of the following part of human intestine hosts microorganisms?




17. Duct leading from parotid gland and opening into vestibule is




18. Which organ is most affected by jaundice?




19. Globet cells of intestinal mucosal epithelium secrete




20. Emulsification of fat takes place through




21. Epithelial cells of the intestine involved in food absorption have on their surface




22. Carrier ions like Na+ facilitate the absorption of substances like




23. The glucose is converted into glycogen in liver and stored in




24. Small projections of upper surface of tongue are called




25. Sweetest sugar is




26. The function of pneumotaxic centre is




27. ______ lies in front of esophagus.




28. In brain, respiratory control centre lies in




29. Deoxygenated blood from heart comes to lungs via




30. Label the parts of the human respiratory system.




31. Pleura is a layer covering




32. Rheumatic fever can cause damage




33. What protects the moist membranes of the respiratory tract?




34. RBCs, plasma and biocarbonate are the medium for transport of carbondioxide. Maximum amount of carbon dioxide is carried by




35. The maximum volume of air that can be released from the lungs by forceful expiration after deepest inspiration is called the ______.




36. Which one of the followings is correct regarding larynx?




37. Which of the following statements is true about Trachea in a respiratory system?




38. Trachea divides into bronchi at




39. Aerobic respiratory pathway is also termed as ______ pathway.




40. The oxygen dissociation curve is shifted to the right by an increase in ______.




41. The maximum volume of air contained in the lung by a full forced inhalation is called




42. Which organ lies in thoracic cavity?




43. In developing embryo RBCs are formed in




44. In humans, blood passes from the post caval to the diastolic right atrium of heart due to:




45. When body tissues are injured resulting in the loss of blood, the process of blood clot begins and the blood platelets release




46. An adult human has systolic and diastolic pressures as:




47. Duration of cardiac cycle is




48. In the above picture Q represents




49. Oxygenated blood occurs in




50. The cells lining the blood vessels belong to the category of




51. Heart failure occurs due to




52. Artificial pace maker is transplanted in




53. Which of the following statement/statements can be related to erythroblastosis foetalis?




54. Among the following stem cells, which are found in the umbilical cord?




55. If vagus nerve is cut the heart beat




56. If due to some injury the chordae tendinae of the tricuspid valve of the human heart is partially non-functional, what will be the immediate effect?




57. Heparin is




58. Cardiac arrest is the state when




59. What is the normal blood pressure of human beings?




60. Arteries are best defined as the vessels which




61. Christmas disease is also known as




62. Presence of RBCs in urine is




63. Ornithine cycle leads to the formation of




64. The yellow pigment derived from heme breakdown and excreted by kidneys is




65. What happens when glomerular filteration rate falls?




66. Which of the following can be cured by hemodialysis?




67. Kidneys are located in




68. The muscular tubes which take the urine from the kidneys to the bladder are




69. Most water and salts are reabsorbed in




70. Reabsorption of filterate occurs in




71. JG cells release




72. pH of human urine is




73. Average blood filtered by kidneys per minute is




74. Which one of the following statements in regard to the excretion by the human kidneys is correct?




75. In the kidneys, osmotic pressure controls ______




76. Presence of __________ in urine indicates diabetes mellitus.




77. If a man takes large amount of protein, he is likely to excrete more amount of




78. Nerves, blood vessels and ureter enters into the kidney through




79. The principal nitrogenous excretory compound in humans is synthesised




80. The renal medulla consists of cone-shaped tissue masses called _______.