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NEET Biology MCQS Mock Test Paper 20

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1. Which of the following shows double fertilization?




2.  Which of the following contains the filiform apparatus?




3. Which of the following undergoes meiosis?




4. Perisperm is different from endosperm because




5. The pollen tube enters the embryo sac through




6. Embryo sac of the angiosperms having eight nuclei is




7. Double fertilization is due to the fusion of




8. Double fertilization was discovered by




9. The embryo sac occurs in




10. After cross-fertilization of true-breeding tall and dwarf plants, the F1 generation was self-fertilized. The resultant plants have genotype in the ratio




11. Which of the following characteristics of pea plants was not used by Mendel in his experiments?




12. Mendel took _______ contrasting characteristics of pea plants.




13. If both genotype and phenotype shows the same ratios of 1:2:1 in the F2 generation, it shows




14. Test cross determines




15. Genotype of dominant plant can be determined by




16. Test cross is a




17. Lack of independent assortment of two genes is due to




18.  The cross where the sources of gametes are reversed is called




19. The genes for the seven characters chosen by Mendel are located on




20. Which of the following enzymes is non-proteinaceous?




21. RNA contains Uridine, it is a




22. Anticodon is present in




23. Which of the following purine bases is present in RNA?




24. Which of the following is found more widely in a cell?




25. RNA contains repeating units of




26.  Which of the following rRNAs in bacteria acts as a ribozyme as well as structural RNA?




27. Which of the following RNAs are the most abundant in an animal cell?




28. A single strand of mRNA attached to complex of ribosomes is called




29. Which of the following RNAs’ structure is similar to clover leaf?




30. Which of the following is one of the parts of the hindbrain?




31. If there is an injury in the hypothalamus region of the brain, it is most likely to affect




32.  A cranial nerve with the highest number of branches




33. Afferent neurons carry nerve impulses from




34.  The cranial nerve that regulates the heartbeat




35. Which of the following is another name for the third ventricle of the brain?




36.  Nissl’s granules present in the neurons are made up of




37. Which of the following is a part of the rhombencephalon?




38. A neuron that carries information from the peripheral nervous system to the central nervous system is




39. Which of the following parts of the brain controls the body temperature and urge of eating?




40. Which of the following immunoglobulins makes the largest percentage in breast milk?




41. Transplanted graft may be rejected due to




42.  Oral polio drops contain




43. Antibodies are




44.  Interferons are




45. Globulins of the blood plasma are responsible for




46. Which of the following antibodies is predominantly present in tears, saliva and mucous




47. The class of antibodies, which can cross placenta is




48. Antigen binding sites are present in




49.  Type I hypersensitivity involves




50.  Flagellated cells, which line the spongocoel in Poriferans are known as