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Class 11 Biology Chapter 12 Mineral Nutrition Quiz 9 (25 MCQs)

Quiz Instructions

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1. Boron in green plants assists in
2. What is the main function of plasma membrane transporters in plants?
3. Which nutrient is crucial for the formation of protein structures?
4. Partial mineral element is-
5. Plants with zinc deficiency show reduced biosynthesis of
6. The prominent symptom of ..... toxicity is the appearance of brown spots surrounded by chlorotic veins.
7. When a plant loses excessive water, the first response is
8. Copper is activator in enzyme
9. What is the effect of extreme soil pH on plants?
10. Plants response to minerals/nutrients
11. Most of the ATP created during cellular respiration is created during the ..... phase.
12. Which one of the following is not a micronutrient?
13. Element required for biological nitrogen fixation is
14. Which of the following choices is not one of the three plant macronutrients included in most fertilizers?
15. Which of the following is an immobile essential element?
16. The element, which function as nucleus of chlorophyll molecule is .....
17. What are the two main categories of nutrients required by plants?
18. Which nutrient is involved in the activation of enzymes in the Krebs cycle?
19. The elements, without which, the plants will not be able to complete its life cycle are called .....
20. Which nutrient deficiency causes chlorosis in older leaves?
21. Azolla (duckweed fern) is often cultivated in rice fields because its roots contain ..... (1) ..... bacteria that help fix ..... (2) ..... and supply it to plants.
22. Active mineral absorption means ions move from the soil into the root ..... (1) ..... the concentration gradient, ..... (2) ..... ATP energy.
23. Positive response for gravitropism would be .....
24. Which one of the following is not an essential mineral element for plants while the remaining three are?
25. Mineral nutrients are absorbed by the plants in the form of .....
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