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SCERT Maharashtra Question Bank solutions for 12th Standard HSC Biology Maharashtra State Board 2021 chapter 7 - Plant Growth and Mineral Nutrition [Latest edition]

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12th Standard HSC Biology Maharashtra State Board 2021 - Shaalaa.com
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Chapter 7: Plant Growth and Mineral Nutrition

MCQVery Short AnswerShort Answer 1Short Answer 2Long Answer
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MCQ

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Biology Maharashtra State Board 2021 Chapter 7 Plant Growth and Mineral Nutrition MCQ

1 Mark

MCQ | Q 1

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

MCQ | Q 2

Gibberellins are synthesised from ______.

  • Acetic acid

  • Mevalonic acid

  • Tryptophan

  • Ethephon

MCQ | Q 3

First natural cytokinin was obtained from ______.

  • Rice plants

  • Tobacco callus

  • Maize grains

  • Human urine

Very Short Answer

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Biology Maharashtra State Board 2021 Chapter 7 Plant Growth and Mineral Nutrition Very Short Answer

1 Mark

Very Short Answer | Q 1

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.

Very Short Answer | Q 2

Why is ABA known as antitranspirant?

Very Short Answer | Q 3

Name the tissue that transports hormones within the plant body?

Short Answer 1

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Biology Maharashtra State Board 2021 Chapter 7 Plant Growth and Mineral Nutrition Short Answer 1

2 Mark

Short Answer 1 | Q 1

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
Short Answer 1 | Q 2

A gardener wants to give bushy appearance to plants in our college campus.

  1. What should he do to achieve the same? 
  2. Which property of phytohormones he must be aware of?
Short Answer 2

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Biology Maharashtra State Board 2021 Chapter 7 Plant Growth and Mineral Nutrition Short Answer 2

3 Mark

Short Answer 2 | Q 1

Write the name of______

  1. First hormone discovered in plants.
  2. Biological name of fungus from which Gibberellins were first isolated. 
  3. The name given to the first cytokinin by Skoog and Miller.
Short Answer 2 | Q 2

Write the name of ______

  1. Gaseous growth hormone known to you.
  2. Standard bio assay method for auxins. 
  3. Hormone that can overcome the requirement of vernalization.
Long Answer

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Biology Maharashtra State Board 2021 Chapter 7 Plant Growth and Mineral Nutrition Long Answer

4 Mark

Long Answer | Q 1

Name the phytohormone related with the given phenomenon

  1. Apical dominance
  2. Bolting of Cabbage 
  3. Artificial ripening of fruit
  4. Acts as Anti-transpirant by closing stomata
Long Answer | Q 2

Write full form of

  1. IAA 
  2. IBA 
  3. NAA 
  4. 2,4-D

Chapter 7: Plant Growth and Mineral Nutrition

MCQVery Short AnswerShort Answer 1Short Answer 2Long Answer
12th Standard HSC Biology Maharashtra State Board 2021 - Shaalaa.com

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Biology Maharashtra State Board 2021 chapter 7 - Plant Growth and Mineral Nutrition

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Biology Maharashtra State Board 2021 chapter 7 (Plant Growth and Mineral Nutrition) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the Maharashtra State Board 12th Standard HSC Biology Maharashtra State Board 2021 solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com provide such solutions so that students can prepare for written exams. SCERT Maharashtra Question Bank textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in 12th Standard HSC Biology Maharashtra State Board 2021 chapter 7 Plant Growth and Mineral Nutrition are Plant Growth, Phases of Plant Growth, Conditions Necessary for Plant Growth, Plant Growth Rate, Types of Plant Growth, 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 SCERT Maharashtra Question Bank 12th Board Exam solutions Plant Growth and Mineral Nutrition exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in SCERT Maharashtra Question Bank Solutions are important questions that can be asked in the final exam. Maximum students of Maharashtra State Board 12th Board Exam prefer SCERT Maharashtra Question Bank Textbook Solutions to score more in exam.

Get the free view of chapter 7 Plant Growth and Mineral Nutrition 12th Board Exam extra questions for 12th Standard HSC Biology Maharashtra State Board 2021 and can use Shaalaa.com to keep it handy for your exam preparation

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