Plant Growth and Mineral Nutrition — Important Questions
Maharashtra Board · Class 12 · Biology
44 important questions from Plant Growth and Mineral Nutrition for Maharashtra Board Class 12 Biology, with answers. Written for the board exams 2027.
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Important Questions from Plant Growth and Mineral Nutrition
Which of the following are characteristics of short day plants?
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Require long uninterrupted dark period, Flower during winter, Also called long night plants, Examples are tobacco and dahlia
Short day plants need long dark periods, flower in winter/late summer, are called long night plants, and include tobacco, dahlia, etc. Wheat and radish are long day plants.
Vernalization refers to:
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Effect of low temperature on flowering
Vernalization is the acceleration of flowering ability by chilling treatment at 1-6°C for 1-1.5 months.
Which mineral element is a constituent of chlorophyll?
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Magnesium
Magnesium is the central atom in the chlorophyll molecule and is essential for photosynthesis.
The first plant hormone to be discovered was:
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Auxin
Auxin was the first plant hormone discovered, originally studied by Charles Darwin and later isolated by F.W. Went.
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