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MCQs Question and Answer -Biology Set 3

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1. Name the metal present in chlorophyll ‘a’ and ‘b’?




2. Name the structural unit of photosynthesis?




3. Which of the following statements are true regarding Photosystems?




4. What is the first step in photosynthesis:




5. Due to which reaction PGA is changed into phosphoglyceraldehyde in photosynthesis process?




6. What will be the ratio of oxygen produced to that of consumed in daylight hours when the rate of respiration is less than that of photosynthesis?




7. In Photosynthesis process, how many molecules of NADPH and ATP are required to reduce six molecules of carbon dioxide to glucose?




8. Mention the internal factors that influence photosynthesis?




9. Name the external factors that affect photosynthesis process?




10.  What do you understand by NADP?




11. Photosynthesis is :




12. Which one of the following waves are used by the common TV remote control?




13. Which gas is safe and an effective extinguisher for all confined fires?




14. Which one of the following statements is incorrect about laser?




15. Which one of the following elements the drum of a Photostat machine is made up of:




16. If we say the child has an IQ of 100, what does this means?




17. Which bacteria is responsible for the formation of curd?




18. Which one of the following bacteria present in the soil produces a peculiar smell if it rains on perched soil?




19. In poorly ventilated buildings which one of the following inert gases can be accumulated?




20. Honey is sweeter than cane sugar or corn syrup. Which one of the following carbon sugars is responsible for this?




21. Who had given the theory of evolution of species by natural selection?




22.  Who is known as the father of genetics?




23. Which of the following are the sources which provide evidences for evolution?




24. Name a fossil bird which looks like a bird but has many other features found in reptiles?




25. Name the organs which have different basic structure but have similar appearance and perform similar functions?




26. Who suggested that life must have developed from the simple inorganic molecules like methane, hydrogen etc. which were present on the earth soon after it was formed?




27. Aves have evolved from:




28. The theory of origin of life on earth is proposed by:




29. Which of the following are the postulates of Darwin’s theory of evolution?




30. The process by which new species develop from the existing species is called:




31. In Human beings the process of digestion of food begins in:




32. Which of the following organism have parasitic mode of nutrition?




33. Name the first enzyme that mix with food in the digestive tract?




34. Which of the following in biology is the energy currency of cells?




35.  In the stem of a plant respiration and breathing takes place through:




36. Which animal has three-chambered heart?




37. Name the blood vessel which carries blood back to the heart?




38. Transportation of food in plants takes place through:




39.  After wound or cut in a body blood coagulates through:




40. When blood is forced into the artery, wave like expansion takes place is called:




41. In amoeba excretion takes place through the process of:




42. Name the excretory organ present in earthworm through which excretion takes place?




43. The major waste produced by human body are:




44. Which organ in the human body is responsible for removing carbon dioxide from the body?




45. Each kidney is made up of a large number of excretory units called:




46.  In which of the following are the largest amounts of nitrogen excreted from a mammalian body?




47. The best long term solution for kidney failure is:




48. What types of nitrogenous wastes are excreted by living organisms?




49. Name the organs that make up the excretory system in humans?




50. Which vessel carries blood to the kidneys?




51. An ancient book of 1000 B.C. deals with health, hygiene, longevity etc?




52. Name a concise and scientific exposition of Ayurveda in verse form. It is distinguished by its knowledge of chemical reactions and laboratory processes etc.




53.  Name an ancient book which describes difficult surgical operations like opening of a brain etc.




54. Which ancient book of 600 B.C. deals with paediatrics?




55.  A treatise on the rasa chikitsa system of ancient medicine, which considers mercury as the king of all medicines.




56. A treatise on medicine and surgery from Alexandria and Rome?




57. Which of the following ancient book is the codification of medicine scattered in the Vedas?




58. Who is considered as the father of western medicines?




59. Name the first book on medicine in China?




60. A classical exposition of Indian medicine. It deals with almost all branches of medicine?




61. Which of the following sentence is/ are correct about Dementia?




62. Which of the following statement is/ are correct about Alzheimer’s disease?




63. Which of the following is not the Symptom of Dementia?




64. How Dementia is caused?




65. Name the type of Dementia disease in which a neurodegenerative condition linked to abnormal structures in the brain?




66. Which disease is characterized by specific types of uncontrolled movements but also includes dementia?




67. Name a disease in which a person may show both Alzheimer's disease and vascular dementia at the same time?




68. Which disease of dementia increases the likelihood of young-onset Alzheimer's?




69.  What is ARDSI?




70. Which of the following statements is/are correct about mnemonics?




71. Which of the following statement is/are correct about Enzyme:




72. Which enzyme is used in making Baby Foods?




73. Name an enzyme that is derived from the stomachs of young ruminant animals and also used in dairy industry to produce cheese?




74. Name an enzyme that digests fat?




75. Who coined the word enzyme?




76. Name an enzyme which is not proteinaceous in nature?




77. Which enzyme is used by the biscuit manufacturers to lower the protein level of flour?




78. Inactive enzymes which are not bound to their cofactors are called




79. In humans salivary amylase enzyme breaks down starch. The optimum pH for this reaction is: