Please select a subject first
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What role does root pressure play in water movement in plants?
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Describe transpiration pull model of water transport in plants. What are the factors influencing transpiration? How is it useful to plants?
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A conjoint and open vascular bundle will be observed in the transverse section of ______.
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What part of the plant would show the following:
Well developed pith
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Formation of enzyme-substrate complex (ES) is the first step in catalysed reactions. Describe the other steps till the formation of product.
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Which one of the following will not directly affect transpiration?
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The process of guttation takes place ______.
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Water moves up against gravity and even for a tree of 20m height, the tip receives water within two hours. The most important physiological phenomenon which is responsible for the upward movement of water is ______.
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From your knowledge of physiology can you think of some method of increasing the life of cut plants in a vase?
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Salt is applied to tennis lawns to kill weeds. How does salting tennis lawns help in killing of weeds without affecting the grass?
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We know that plants are harmed by excess water. But plants survive under flooded condition. How are they able to manage excess water?
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What is common to Nepenthes, Utricularia and Drosera with regard to mode of nutrition?
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The transverse section of a plant material shows the following anatomical features, (a) the vascular bundles are conjoint, scattered and surrounded by sclerenchymatous bundle sheaths (b) phloem parenchyma is absent. What will you identify it as?
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Which light range is least effective in photosynthesis?
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During light reaction in photosynthesis the following are formed ______.
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Dark reaction in photosynthesis is called so because ______.
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The correct sequence of flow of electrons in the light reaction is ______.
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Cyanobacteria and some other photosynthetic bacteria don’t have chloroplasts. How do they conduct photosynthesis?
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Does moonlight support photosynthesis?
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Which products formed during the light reaction of photosynthesis are used to drive the dark reaction?
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