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Class 11 Biology Chapter 12 Mineral Nutrition Quiz 1 (25 MCQs)

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1. How many essential nutrients are required for plants?
2. Which type of soil typically has a higher CEC?
3. Which macronutrient is essential for the synthesis of nucleic acids and proteins?
4. What is the conclusion of Experiment III?
5. Essential elements (17) are-
6. What causes water to move up the xylem to the leaves?
7. Find the group of bacteria in which all are nitrogen fixing:-
8. What does Cation Exchange Capacity (CEC) measure?
9. Which nutrient is essential for the synthesis of chlorophyll?
10. What types of plants can be grown hydrophonically?
11. Plants obtain Fe in the form of-
12. What is the role of mycorrhizal fungi in mineral nutrition?
13. Which process requires ATP for nutrient uptake?
14. Species of rod-shaped Rhizobium has such relationship with the roots of several legumes such as
15. What is the ideal temperature range for photosynthesis?
16. The primary elements that are required by the plants in large quantities are ..... , ..... and .....
17. Main role of minor elements is to act as
18. Greyspots of oat are caused by deficiency of
19. How many of the following organisms not fix the atmospheric nitrogen in free living condition? Frankia, Anabaena, Rhodospirillum, Bijernickia, Rhizobium, Azotobacter, Nostoc.
20. What is the effect of very high temperatures on photosynthesis?
21. The criteria of essentiality of elements was given by the scientists ..... and .....
22. Which element was identified as the seventeenth essential element for plants in 1980?
23. Choose the correct statement(s)-I. Solution culture / Hydrophonics contains all essential minerals except one, the usefulness of which is to be determinedII. Na, Si, Co and Selenium are beneficial element required by higher plantsIII. Zn is the activator of nitrogenases while Mo is the activator of alcohol dehydrogenaseIV. Zn is needed for auxin synthesis
24. Which one is the major constituent of proteins, nucleic acids, vitamins and hormones
25. Which group of three micronutrient elements is required for both photosynthetic and mitochondrial electron transport
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