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NEET Biology MCQS Mock Test Paper 41

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1.  The nature of an enzyme is




2. In alcoholism, this enzyme is elevated




3. With regards to enzyme action, this statement is incorrect




4. What is the count of genes that determine the synthesis of one enzyme?




5. This enzyme was first isolated and purified in the form of crystals




6. Macromolecule chitin is




7. Enzyme-driven metabolic pathways can be made more efficient by




8.  Tryptophan synthetase of E.coli, a typical bifunctional oligomeric enzyme consists of




9. This statement about enzymes is true




10. The enzyme COX-1 is vital for human health in this way:




11. The main function of the cornea present in the human eye is




12. The type of cells found in retina are




13. Where will the image of a distant object be formed when a person using a concave lens to correct vision, is not using glasses?




14. A cornea transplant is never rejected in humans because




15.  This is an incorrect statement




16. The fovea is the mammalian eye is the centre of the visual field wherein




17. In the human eye, the photosensitive compound is composed of




18.  The eye lens is




19. The persistence of vision for the human eye is




20.  What does the tapetum lucidum do?




21. The innermost layer and the most delicate layer of the eyeball where the photoreceptors are located are




22. This part of the eye dilates and contracts based on the environment




23.  The transparent lens in the human eye is held in its place by




24. The eye of octopus and the eye of cats show different patterns of structure, yet they perform similar functions. This is an example of




25.  Which of these colours is least scattered by dust, fog, smoke?




26. In an ecosystem, which one of the following types of entities occupies more than one trophic level?




27. The rate at which food energy is assimilated at the trophic level of consumers is known as




28. Limitations of ecological pyramids involve all these statements, except




29. This entity will be the first one to colonize a bare rock




30. During ecological succession




31. This ecosystem has the maximum biomass




32. These are the primary producers of the deep-sea hydrothermal vent ecosystem




33.  This is a characteristic feature of cropland ecosystem




34.  At the producer level, if 20J of energy is trapped, then how much energy will be available to a peacock as food in the subsequent chain? Plant -> Mice -> Snake -> Peacock




35. A few normal seedlings of tomato were placed in a dark room. After a few days, they were found to have turned white-coloured like albinos. Which of these can be used to describe them?




36. Gibberellins can facilitate seed germination due to their influence on




37. An enzyme which can stimulate the germination of barley seeds is




38.  During the germination of seeds, the seed coat ruptures due to




39. The proteinaceous part of maize endosperm is




40. One of these gases is required for the germination of pea seeds




41. Seed dormancy allows the plants to




42. The protective covering over radical during the germination of seeds is




43. Which of these compounds can induce seed dormancy?




44. An albuminous seed showing hypogeal germination is




45. The process by which fruits are developed without fertilization is called _________.




46.  In which of the plant species, parthenocarpy takes place?




47. Which of these plants will lose their economic value if its fruits are as a result of induced parthenocarpy?




48. Which of the following plant hormones stimulates the development of parthenocarpic fruit?




49. Which of the following statement is false about parthenocarpy?




50.  The fruit in tomato is classified into _____.