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NEET Biology MCQS Mock Test Paper 21

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1.  Which of the following is not a characteristic of the phylum Arthropoda?




2.  This is an example of bilaterally symmetrical and triploblastic animal




3.  Phylum Annelida is not characterized by




4. Which of the following contains notochord in the embryonic stage?




5.  A characteristic feature; which is present only in the phylum Coelenterata is




6.  Cnidarians; which exhibit only polyp stage




7. Excretion is performed by _______ in flatworms




8. The group of molluscs; which possess eyes similar to vertebrates




9.  Tube feet are found in




10.  Which of the following is used as a biocontrol agent against caterpillars of butterflies?




11. Which of the following is the use of microbes as a biological control agent for pests/diseases?




12.  A biocontrol agent against plant diseases




13.  Which of the following is not a biopesticide?




14. Trichoderma harzianum is used for




15.  Which of the following is a biocontrol agent for nematodal diseases?




16.  This is a third generation pesticide.




17.  Cochineal insects are used for




18.  The process of using a natural predator to control a pathogen is called




19.  Rotenone is used as 




20. Which of the following ions is responsible for unmasking of active binding sites on actin for forming cross-bridge during muscle contraction?




21.  Sliding theory states that




22.  Which of the following is correct for muscle contraction?




23. Which of the following shows ATPase activity during muscle contraction?




24.  Which of the following is correct for muscle contraction?




25. Sarcomere is




26. This is a contractile protein of muscles




27. Which of the following is a functional unit of striated muscles?




28.  When actin filaments are dragged towards M-line; it is known as




29. Accumulation of __________ causes muscle fatigue.




30. This weed has been eradicated by biological control




31.  The phenomenon of using a predator to control pests is




32. This is an effective plant insecticide




33. The pheromone coated paper strips in the confusion technique are thrown over an area to




34. Devine” and “Collego” are two agricultural substances used as




35.  Rotenone is a




36. The wild growth of ______ is checked with Cochineal insect




37.  Pyrethrin is extracted from




38.  In 1981; the first bioherbicide developed was based on




39. Transgenic crop developed to tolerate herbicides is




40.  The blood is transported to the liver by hepatic portal vein from which part of the body?




41. Which of the following blood vessels contain blood with the largest amount of urea?




42. Which of the following blood vessels does not contain valves?




43. The vein having the lowest amount of urea is




44. The veins from the stomach; intestine; pancreas and spleen drain into




45. The hepatic portal system carries blood from




46.  Which of the following blood vessels carries glucose from the digestive tract to the liver?




47. Which of the following veins does not drain into the hepatic portal vein?




48.  Superior rectal vein drains into




49. The blood is transported to the liver by hepatic portal vein from which part of the body?




50. Which of the following is correct for the partial pressure of oxygen in alveoli?




51. Which of the following is a chronic respiratory disorder caused by smoking?




52. Most of the carbon dioxide produced in the tissues is transported to the lungs as




53. The gaseous exchange in alveoli is a type of




54.  The linings that separate air contained in lungs from venous blood




55.  Which of the following organs only receives oxygenated blood?




56. Which of the following parts of the brain regulates the respiratory process?




57. Which of the following membranes encloses lungs?




58. RBCs present in the blood of a person residing at higher altitudes




59.  The alveolar epithelium of lungs is




60. These cells of ‘Crypts of Lieberkuhn’ secrete lysozyme




61. The opening of the hepatopancreatic duct into the duodenum is guarded by




62. Which of the following cells secretes gastric acid in the stomach?




63. Which part of the digestive system contains symbiotic microorganisms?




64. Which of the following is present on the surface of the epithelial lining of the intestine and help in the absorption of digested food?




65. Which of the following parts of the digestive system contains Brunner’s glands?




66.  Which part of the digestive system contains lacteals?




67.  The cells which secrete tooth enamel are known as




68. Kupffer’s cells are found in




69.  Chief cells are present in




70.  Which of the following plants is an example of a cryptogam with vascular tissues?