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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-3 section-8

Each section contains 100 MCQs on Plant Anatomy and Physiology .
21
Early blight of potato spreads and becomes serious when the season begins with
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Answer: Option C
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22
Which of the following is a free living, nitrogen-fixing organism?
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Answer: Option A
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23
Which of the following is an example of rooted hydrophyte with floating leaves?
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Answer: Option C
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24
Common examples of the non-parasitic diseases include
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Answer: Option D
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25
Dry and scaly bracts found in association with spikelet infloroscence are known as
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Answer: Option D
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26
In case of severe infection of blast disease of rice, the plants wither at the
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Answer: Option D
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27
The portion of the earth in which ecosystems operate is called the
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Answer: Option B
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28
The megaspore mother cell nucleus after dividing meiotically forms four haploid megaspores which are arranged in a linear tetrad, of which the lower most megaspore is functional in case of
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Answer: Option A
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29
Which of the following methods is based on the act that tissue will not gain or lose water to the atmosphere when the vapour pressure of air corresponds to the water potential of the tissue?
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Answer: Option A
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30
Assertion (A) The lenticel is meant for gaseous exchange.
Reason (R) Lenticel checks excessive evaporation of water.
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Answer: Option B
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