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NEET Biology MCQS Mock Test Paper 16

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1. 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




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




3. 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?




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




5.  The type of coiling in DNA is




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




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




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




9. This factor contributes to the carbon cycle




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




11. The role of bacteria in the carbon cycle is




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




13.  Respiration and photosynthesis are central to this process




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




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




16. This carbon isotope is radioactive and very rare




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




18. These entities sequester most carbon from the atmosphere




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




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




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




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




23.  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




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




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




26. This is the outermost cranial appendage




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




28. This statement is not associated with midbrain




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




30. This has a smaller intestine




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




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




33. In photosynthesis; the chlorophyll is used for




34. The enzymes found in intestinal juice finally convert




35. The respiratory pigment in human beings is




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




37.  Pick the correct one




38. Reduction of blood pH will




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




40.  In Pteridophytes; the dominant generation is




41. Reduction division in pteridophytes occurs in




42. Prothallus represents




43. Pteridophytes and Bryophytes differ in having




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




45. Sporophytic and gametophytic phases are independent in




46. ‘Club moss’ belongs to




47. Phloem is without ___________ in pteridophytes




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




49. Mostly; the flesh of fruit is made of




50. Prosenchyma is a type of




51. The tissue where cells are thin-walled; living; isodiametric along with intercellular spaces is