Biology · Textbook solutions

Plant Growth and Mineral Nutrition

Every solved example, exercise, and miscellaneous question, in the order the textbook teaches them. Plus every board question asked from this chapter. · 31 questions

Exercise

31 q

Q1. Multiple choice questions

Practice · 11

Multiple choice questions.
Ex Q1(1) $Which of the hormones can replace vernalization?$
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Ex Q1(2) $The principle pathway of water translocation in angiosperms is ..........$
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Ex Q1(3) $Abscisic acid controls ..................$
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Ex Q1(4) $Which is employed for artificial ripening of banana fruits?$
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Ex Q1(5) $Which of the following is required for stimulation of flowering in the plants?$
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Ex Q1(6) $For short day plants, the critical period is .................$
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Ex Q1(8) $Essential macroelements are ............$
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Ex Q1(9) $Function of Zinc is ................$
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Ex Q1(10) $Necrosis means ...............$
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Ex Q1(11) $Conversion of nitrates to nitrogen is called .....................$
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Ex Q1(12) $How many molecules of ATP are required to fix one molecule of nitrogen?$
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Q2. Very Short Answer Questions

Practice · 10

Very Short Answer Questions :
Ex Q2(1) $Enlist the phases of growth in plants?$
Ex Q2(2) $Give the full form of IAA?$
Ex Q2(3) $What does it mean by ‘open growth’?$
Ex Q2(4) $Which is the plant stress hormone?$
Ex Q2(5) $What is denitrification?$
Ex Q2(6) $Name the bacteria responsible for conversion of nitrite to nitrate.$
Ex Q2(7) $What is role of gibberellin in rosette plants?$
Ex Q2(8) $Define vernalization.$
Ex Q2(9) $Define photoperiodism.$
Ex Q2(10) $What is grand period of growth?$

Q3. Short Answer Questions

Practice · 5

Short Answer Questions :
Ex Q3(1) $Write a short note on : a. Differentiation b. Redifferentiation$
Ex Q3(2) $Differentiate between Arithmetic and Geometric growth.$
Ex Q3(3) $Enlist the role and deficiency symptoms of : a. Nitrogen b. Phosphorus c. Potassium$
Ex Q3(4) $What is short day plant? Give any two examples.$
Ex Q3(5) $What is vernalization? Give its significance.$

Q4. Long Answer Questions

Practice · 5

Long Answer Questions :
Ex Q4(1) $Explain sigmoid growth curve with the help of diagram.$
Ex Q4(2) $Describe the types of plants on the basis of photoperiod required, with the help of suitable examples.$
Ex Q4(3) $Explain biological nitrogen fixation with example.$
Ex Q4(4) $Write on macronutrients and micronutrients required for plant growth.$
Ex Q4(5) $How are the minerals absorbed by the plants?$

What the board has asked from this chapter

Questions per paper · 5 papers · 2024 to 2026

June 2026

4 q

Q. 1(ii) $Which of the following is NOT a Day Neutral Plant (DNP)?$
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Photoperiodism
Q. 2(iv) $What are Long Day Plants (LDP)?$
Photoperiodism
Q. 10 $Explain the term plasticity.$
Plasticity
Q. 21 $(a) Enlist any four mineral deficiency symptoms seen in plants. (b) Give the function of molybdenum as mineral nutrient.$
Mineral Nutrition

February 2026

4 q

Q. 1(i) $A cell divides mitotically into two. Daughter cells divide and redivide repeatedly. Such growth is called _____.$
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Growth Rate and Types of Growth
Q. 2(v) $Define the term chlorosis.$
Mineral Nutrition
Q. 14 $Calculate the amount of ATP required by nitrogen fixer for the formation of 1000 molecules of ammonia. Name the specialised cell of cyanobacteria where nitrogen is fixed.$
Nitrogen Cycle
Q. 25 $(a) What is grand period of growth? (b) Give two examples each of : (1) Growth promoters (2) Growth inhibitors$
Growth Hormones

July 2025

3 q

Q. 8 $Define- AGR and RGR regarding plant growth.$
Growth Rate and Types of Growth
Q. 12 $Write appropriate equations to represent Ammonification.$
Nitrogen Cycle
Q. 23 $\text{K}^{+}$
Mineral Nutrition

July 2024

3 q

Q. 1(ix) $Choose the correct name of phases A, B and C in the given figure :$
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Growth Curve
Q. 16 $Explain the role of diazotrophs in nitrification.$
Nitrogen Cycle
Q. 23 $Give physiological effects and applications of cytokinin.$
Growth Hormones

March 2024

4 q

Q. 1(i) $Identify the growth hormone in plants which causes inhibitory effect.$
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Growth Hormones
Q. 2(iv) $What is the full form of IAA?$
Growth Hormones
Q. 12 $What is differentiation and redifferentiation?$
Differentiation, De-differentiation and Re-differentiation
Q. 23 $Describe physiological effects and applications of ethylene.$
Growth Hormones

Plant Growth and Mineral Nutrition

Exercise

Q1. Multiple choice questions

Q2. Very Short Answer Questions

Q3. Short Answer Questions

Q4. Long Answer Questions

What the board has asked from this chapter

June 2026

February 2026

July 2025

July 2024

March 2024

The 10 board questions to practise first

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Question 10