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Plant Anatomy and Physiology MCQ question and answer with solution | Biology Gk MCQs

Learn Plant Anatomy and Physiology MCQ Questions and answers with easy and logical explanations in Biology Gk . Plant Anatomy and Physiology MCQ question provides all type of technical mcq questions which is important for SSC-CGL, UPPSC, NDA, CDS and all govt examinations Page-7 section-10

Each section contains 100 MCQs on Plant Anatomy and Physiology .
61
The aeciospores of Puccinia graminis tritici germinate only on the leaves of
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Answer: Option B
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62
Increase in the number of hydrogen protons in the thylakoid space results in
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Answer: Option C
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63
The micro-organisms which are free-floating throughout their entire life cycle form actually the
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Answer: Option C
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64
Who among the following proposed that in plant cells, CO2 is first reduced to formaldehyde, followed by condensation of the formaldehyde molecules to form sugars?
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Answer: Option A
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65
Dwarf Mexican, Sonora-64, Lermo Rojo varieties of wheat have been found to be resistant against
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Answer: Option C
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66
The most important natural abscission-accelerating factor in senescing leaves appears to be
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Answer: Option D
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67
The prevention of plants from being exposed to the agencies responsible for various plant diseases is known as
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Answer: Option B
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68
Which of the following plant hormones regulates growth particularly by stimulating cell elongation in stems?
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Answer: Option D
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69
After the cold requirement is satisfied, the actual germination, in most situations, takes place efficiently at about
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Answer: Option D
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70
The most definite information about cytokinin synthesis concerns the formation of
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Answer: Option A
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