Chapter Exam

Chapter 12: Mineral Nutrition — Online MCQ Test

Q: Which of the following is considered a macronutrient in plants?

Answer: C. Phosphorus — Macronutrients are elements required in large amounts, such as C, H, O, N, P, K, Ca, Mg, and S.

Q: The technique of growing plants in a nutrient-rich solution is known as:

Answer: A. Hydroponics — Hydroponics is the method of growing plants in a soil-less culture using mineral nutrient solutions.

Q: Which of the following micronutrients is essential for the photolysis of water during photosynthesis?

Answer: C. Manganese — Manganese plays a key role in the water-splitting complex of Photosystem II.

BOTANY · CLASS 11th · Tamil Nadu State Board

Practice Chapter 12: Mineral Nutrition with a free chapter-wise online MCQ test for Tamil Nadu State Board CLASS 11th BOTANY. This chapter covers: Exploring plant mineral requirements this chapter details essential macro and micro nutrients deficiency symptoms and nutrient absorption mechanisms. Students examine biological ni.... AI-generated questions from basic to board-exam level, with instant results and explanations.

Questions

20m

Time Limit

Attempts Left

10 random questions from this chapter (mixed difficulty)
Questions you've seen before won't repeat until the pool resets
You have 20 minutes — exam auto-submits when time is up
Maximum 3 attempts per chapter
Results and explanations shown immediately after submission

New here? Register free — includes 3 free chapter exams.

Chapter 12: Mineral Nutrition — Important Questions & Answers (FAQ)

Frequently asked questions from Tamil Nadu State Board CLASS 11th BOTANY — Chapter 12: Mineral Nutrition, with answers and explanations. These are sample questions; the exam has its own separate question set.

Which of the following is considered a macronutrient in plants?

A. Manganese
B. Zinc
C. Phosphorus ✓
D. Boron

Answer: C. Phosphorus
Macronutrients are elements required in large amounts, such as C, H, O, N, P, K, Ca, Mg, and S.

The technique of growing plants in a nutrient-rich solution is known as:

A. Hydroponics ✓
B. Aeroponics
C. Tissue culture
D. Vernalization

Answer: A. Hydroponics
Hydroponics is the method of growing plants in a soil-less culture using mineral nutrient solutions.

Which of the following micronutrients is essential for the photolysis of water during photosynthesis?

A. Molybdenum
B. Copper
C. Manganese ✓
D. Chlorine

Answer: C. Manganese
Manganese plays a key role in the water-splitting complex of Photosystem II.

Comparing the function of Molybdenum and Iron, which statement is correct?

A. Both are structural components of the cell wall
B. Both are essential components of the electron transport chain in respiration
C. Molybdenum is a component of nitrate reductase, while Iron is a component of ferredoxin ✓
D. Iron is required for nitrogen fixation only, while Molybdenum is required for photosynthesis

Answer: C. Molybdenum is a component of nitrate reductase, while Iron is a component of ferredoxin
Molybdenum is a key part of the nitrate reductase enzyme complex, and iron is vital for electron transport proteins like ferredoxins.

Which of the following nutrient-deficiency pairings is correctly matched?

A. Boron: Delayed flowering and necrosis of growing tips ✓
B. Magnesium: Necrosis of young leaves
C. Sulfur: Chlorosis in old leaves only
D. Zinc: Excessive stem elongation

Answer: A. Boron: Delayed flowering and necrosis of growing tips
Boron deficiency leads to death of the shoot tip and problems with pollen germination and tube growth.

← Previous Chapter

Chapter 11: Transport in Plants

Next Chapter →

Chapter 13: Photosynthesis