41. The upper part of the ocean, into which enough light can penetrate to be effective in photosynthesis, is known as the
42. In holoenzyme, the prosthetic group may be a metal ion associated with protein molecule which is known as
43. Most of the halophytes produce special type of branched, negatively geotropic roots that come out of the mud surface to encourage the entry of oxygen gas, which are known as
44. Which of the following enzymes catalyze the addition of water across a specific bond of the substrate?
45. The enzymes catalysing the last two steps of fermentation are
46. Each member of a population produced from a single individual is called
47. Which of the following is known as 'vegetative fertilisation'?
48. The process of double fertilization was demonstrated for the first time by
49. If the wheat plants have received a systemic infection at the early stages of growth, the disease assumes a severe form called the
50. Agrimycin is a mixture of
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