51. According to Cajlachjan's measurements of the gibberellin levels in leaves, the gibberellin content is
52. Chlorophyll-e is found in which of the following genera ?
53. Symptoms of black rust on grain host show elongated pustules or streaks appearing chiefly on the stem and leaf bases, leaf sheaths and even on the gIumes which are called
54. Plants which grow best in sun, but can grow fairly well under shade are known as
55. Which of these is the energy conversion that happens in the process called photosynthesis?
56. Which of the following is not the work of roots?
57. Consider the following statements and choose the correct answer:
1. The rate of respiration is directly proportional to the oxygen concentration in plants
2. Van't Hoff's coefficient is generally five (Q10=5)
3. Generally in case of injured plant tissues the rate of respiration is increased for the time being
4. The rate of respiration is directly proportional to the respiratory substrate present in the tissues
1. The rate of respiration is directly proportional to the oxygen concentration in plants
2. Van't Hoff's coefficient is generally five (Q10=5)
3. Generally in case of injured plant tissues the rate of respiration is increased for the time being
4. The rate of respiration is directly proportional to the respiratory substrate present in the tissues
58. The transformation of cauliflower leaf into a eylindrical structure, called 'Whiptail' is found to be due to deficiency of
59. Circinotropous ovule is found in case of
60. Tiny pores present on the surface of leaves are known as
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- Plant Anatomy and Physiology - Section 10