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Chapters
2: Reproduction in Lower and Higher Animals
3: Inheritance and Variation
4: Molecular Basis of Inheritance
5: Origin and Evolution of Life
6: Plant Water Relation
▶ 7: Plant Growth and Mineral Nutrition
8: Respiration and Circulation
9: Control and Co-ordination
10: Human Health and Diseases
11: Enhancement of Food Production
12: Biotechnology
13: Organisms and Populations
14: Ecosystems and Energy Flow
15: Biodiversity, Conservation and Environmental Issues
![Balbharati solutions for Biology [English] 12 Standard HSC Maharashtra State Board chapter 7 - Plant Growth and Mineral Nutrition - Shaalaa.com](/images/biology-english-12-standard-hsc-maharashtra-state-board_6:429f7f9009264240a77c8945f6342a63.JPG "Balbharati solutions for Biology [English] 12 Standard HSC Maharashtra State Board chapter 7 - Plant Growth and Mineral Nutrition")
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Solutions for Chapter 7: Plant Growth and Mineral Nutrition
Below listed, you can find solutions for Chapter 7 of Maharashtra State Board Balbharati for Biology [English] 12 Standard HSC Maharashtra State Board.
Balbharati solutions for Biology [English] 12 Standard HSC Maharashtra State Board 7 Plant Growth and Mineral Nutrition Exercises [Pages 151 - 152]
Multiple choice question.
Which of the hormones can replace vernalization?
Auxin
Cytokinin
Gibberellins
Ethylene
The principle pathway of water translocation in angiosperms is ______
Sieve cells
Sieve tube elements
Xylem
Xylem and phloem
Multiple choice question.
Abscisic acid controls ______.
cell division
leaf fall and dormancy
shoot elongation
cell elongation and wall formation
Multiple choice question.
Which is employed for the artificial ripening of banana fruits?
Auxin
Ethylene
Cytokinin
Gibberellin
Multiple choice question.
Which of the following is required for stimulation of flowering in the plants?
Adequate oxygen
Definite photoperiod
Adequate water
Water and minerals
Multiple choice question.
For short-day plants, the critical period is
light
dark/ night
UV rays
both light and UV rays
Multiple choice question.
Which of the following is day-neutral plant?
a. Tomato
b. Cotton
c. Sunflower
d. Soybean
Multiple choice question.
Essential macroelements are ____________.
manufactured during photosynthesis
produced by enzymes
absorbed from soil
produced by growth hormones
Function of Zinc is ______.
Closing of stomata
Biosynthesis of 3-IAA
Synthesis of chlorophyll
Oxidation of carbohydrates
Multiple choice question.
Necrosis means ______.
Yellow spots on the leaves
Death of tissue
Darkening of green colour in leaves
Wilting of leaves
Conversion of nitrates to nitrogen is called ______.
ammonification
nitrification
nitrogen fixation
denitrification
Multiple choice question.
How many molecules of ATP are required to fix one molecule of nitrogen?
12
20
6
16
Very Short Answer Question:
Enlist the phases of growth in plants?
Give the full form of IAA.
Very Short Answer Question:
What does it mean by ‘open growth’?
Very Short Answer Question:
Which is the plant stress hormone?
Very Short Answer Question:
What is denitrification?
Very Short Answer Question:
Name the bacteria responsible for conversion of nitrite to nitrate.
Very Short Answer Question:
What is role of gibberellin in rosette plants?
Very Short Answer Question:
Define vernalization.
Very Short Answer Question:
Define photoperiodism.
What is a grand period of growth?
Short Answer Question:
Write a short note on Differentiation.
Short Answer Question:
Write a short note on Re-differentiation.
Short Answer Question:
Differentiate between Arithmetic and Geometric growth.
Short Answer Question:
Enlist the role and deficiency symptoms of Nitrogen.
Short Answer Question:
Enlist the role and deficiency symptoms of Phosphorus.
Short Answer Question:
Enlist the role and deficiency symptoms of Potassium.
What is short day plant? Give any two examples.
Very Short Answer Question:
Define vernalization.
Short Answer Question:
Give its significance of vernalization.
Long Answer Question:
Explain sigmoid growth curve with the help of diagram.
Long Answer Question:
Describe the types of plants on the basis of photoperiod required, with the help of suitable examples.
Long Answer Question:
Explain biological nitrogen fixation with example.
Solutions for 7: Plant Growth and Mineral Nutrition
Balbharati solutions for Biology [English] 12 Standard HSC Maharashtra State Board chapter 7 - Plant Growth and Mineral Nutrition
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Concepts covered in Biology [English] 12 Standard HSC Maharashtra State Board chapter 7 Plant Growth and Mineral Nutrition are Plant Growth, Phases of Plant Growth, Conditions Necessary for Plant Growth, Plant Growth Rate, Plant Growth Curve, Differentiation, De-differentiation, Re- Differentiation, Plant Development, Plant Plasticity, Plant Hormones, Types of Plant Hormones: Auxins, Types of Plant Hormones: Gibberellins, Types of Plant Hormones: Cytokinins, Types of Plant Hormones: Ethylene, Types of Plant Hormones: Abscisic Acid (ABA), Photoperiodism, Vernalization (Yarovization), Plant Mineral Nutrition, Nitrogen Cycle.
Using Balbharati Biology [English] 12 Standard HSC Maharashtra State Board solutions Plant Growth and Mineral Nutrition exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in Balbharati Solutions are essential questions that can be asked in the final exam. Maximum Maharashtra State Board Biology [English] 12 Standard HSC Maharashtra State Board students prefer Balbharati Textbook Solutions to score more in exams.
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