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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
![SCERT Maharashtra solutions for Biology [English] 12 Standard HSC chapter 7 - Plant Growth and Mineral Nutrition - Shaalaa.com](/images/biology-english-12-standard-hsc_6:1b94e35560a844c094a1f846c467d1b4.biology "SCERT Maharashtra solutions for Biology [English] 12 Standard HSC 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 SCERT Maharashtra for Biology [English] 12 Standard HSC.
SCERT Maharashtra solutions for Biology [English] 12 Standard HSC 7 Plant Growth and Mineral Nutrition MCQ
1 Mark
A farmer is fed up of weeds in his Wheat farm. Which of the following chemicals he can use to overcome the problem?
IBA
IAA
NAA
2,4 – D
Gibberellins are synthesised from ______.
Acetic acid
Mevalonic acid
Tryptophan
Ethephon
First natural cytokinin was obtained from ______.
Rice plants
Tobacco callus
Maize grains
Human urine
SCERT Maharashtra solutions for Biology [English] 12 Standard HSC 7 Plant Growth and Mineral Nutrition Very Short Answer
1 Mark
Buyers often complain that a particular fruit merchant uses some chemical to ripen fruits in his shop.
Name the chemical he must be using to do so.
Why is ABA known as antitranspirant?
Name the tissue that transports hormones within the plant body?
SCERT Maharashtra solutions for Biology [English] 12 Standard HSC 7 Plant Growth and Mineral Nutrition Short Answer 1
2 Mark
Match the column A with B
| A | B | |
| i. | Epinasty of flower | GA3 |
| ii. | Natural auxin | NAA |
| iii. | Flowering in Litchi | IAA |
| iv. | Bolting of Beet | Ethylene |
A gardener wants to give bushy appearance to plants in our college campus.
- What should he do to achieve the same?
- Which property of phytohormones he must be aware of?
SCERT Maharashtra solutions for Biology [English] 12 Standard HSC 7 Plant Growth and Mineral Nutrition Short Answer 2
3 Mark
Write the name of______
- First hormone discovered in plants.
- Biological name of fungus from which Gibberellins were first isolated.
- The name given to the first cytokinin by Skoog and Miller.
Write the name of Gaseous growth hormone known to you.
Write the name of Standard bioassay method for auxins.
Write the name of Hormone that can overcome the requirement of vernalization.
SCERT Maharashtra solutions for Biology [English] 12 Standard HSC 7 Plant Growth and Mineral Nutrition Long Answer
4 Mark
Name the phytohormone related with the given phenomenon.
- Apical dominance
- Bolting of Cabbage
- Artificial ripening of fruit
- Acts as Anti-transpirant by closing stomata
Give the full form of IAA.
Write full form of IBA
Write full form of NAA
Give functions of synthetic auxin 2,4-D.
Solutions for 7: Plant Growth and Mineral Nutrition
SCERT Maharashtra solutions for Biology [English] 12 Standard HSC chapter 7 - Plant Growth and Mineral Nutrition
Shaalaa.com has the Maharashtra State Board Mathematics Biology [English] 12 Standard HSC Maharashtra State Board solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. SCERT Maharashtra solutions for Mathematics Biology [English] 12 Standard HSC Maharashtra State Board 7 (Plant Growth and Mineral Nutrition) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
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Concepts covered in Biology [English] 12 Standard HSC 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.
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