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NEET Biology MCQS Mock Test Paper 17

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1. DNA fingerprinting recognizes the differences in




2. This force can stabilize a DNA double-helix 




3. In this type of DNA replication; of the two newly formed molecules; one is purely a new one and the other is an old one




4.  The process of DNA replication is affected by an enzyme known as




5.  A DNA molecule in which both strands have radioactive thymidine is permitted to replicate in an environment that contains non-radioactive thymidine. What is the right number of DNA molecules which possess some radioactive thymidine post three duplications?




6. If the DNA strand has nitrogenous base sequence ATTGCC; the mRNA will have?




7. The type of coiling in DNA is




8. In DNA; the enzyme which breaks the H2 bonds is




9.  The total DNA comprises what amount of cytoplasmic DNA in cells?




10. The bases are held together in a DNA double helix by hydrogen bonds. These bonds are




11. This factor contributes to the carbon cycle




12. The source of carbon to plants in the carbon cycle is




13. The role of bacteria in the carbon cycle is




14. In the carbon cycle; the human body returns carbon to the atmosphere through this way:




15. Respiration and photosynthesis are central to this process




16. The difference between the phosphorous cycle and carbon cycle lies in the fact that




17. Most of the global warming is due to the perturbation of which of these cycles?




18. This carbon isotope is radioactive and very rare




19. By this method; the majority of carbon moves from the lithosphere to the atmosphere




20. These entities sequester most carbon from the atmosphere




21. The stimulation of a muscle fibre by a motor neuron occurs at the




22. An injury sustained by the hypothalamus is most likely to interrupt




23. In humans; the Alzheimer disease is linked with the deficiency of




24. What is the person with these symptoms suffering from? Outbursts of emotions; unpredictable moods; quarrelsome behaviour; conflicts with others




25. Even after the brain of a frog has been crushed; it still responds to a pinch on the leg by drawing it away. This act is an example of




26. Which of these functions will be affected if the medulla oblongata is damaged?




27. This part of the human brain is also known as the emotional brain




28.  This is the outermost cranial appendage




29. This cranial meninges is in close proximity of the brain tissue




30. This statement is not associated with midbrain




31.  Entities exhibiting properties of both non-living and living are:




32. This has a smaller intestine




33.  Which of these substances is transported by the blood plasma?




34. Here; the maximum exchange of material between blood and surrounding cells takes place




35. In photosynthesis; the chlorophyll is used for




36.  The enzymes found in intestinal juice finally convert




37. The respiratory pigment in human beings is




38. This structure guards the opening of the hepatopancreatic duct into the duodenum




39. Pick the correct one




40.  Reduction of blood pH will




41. In which of the following groups would you place a plant that produces spores; lacks seeds and has vascular tissue?




42. In Pteridophytes; the dominant generation is




43.  Reduction division in pteridophytes occurs in




44. Prothallus represents




45.  Pteridophytes and Bryophytes differ in having




46.  Which of the following is deemed to be vital in the development of seed habit?




47.  Sporophytic and gametophytic phases are independent in




48.  ‘Club moss’ belongs to




49. Phloem is without ___________ in pteridophytes




50. This group does not have seeds but has vascular tissues and produces spores