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

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Biology 12th Standard HSC for Maharashtra State Board - Shaalaa.com

Chapter 7: Plant Growth and Mineral Nutrition

Exercise
Exercise [Pages 151 - 152]

Balbharati solutions for Biology 12th Standard HSC for Maharashtra State Board Chapter 7 Plant Growth and Mineral Nutrition Exercise [Pages 151 - 152]

Exercise | Q 1.01 | Page 151

Multiple choice question.

Which of the hormones can replace vernalization?

  • Auxin

  • Cytokinin

  • Gibberellins

  • Ethylene

Exercise | Q 1.02 | Page 151

Multiple choice question.

The principle pathway of water translocation in angiosperms is ______

  • Sieve cells

  • Sieve tube elements

  • Xylem

  • Xylem and phloem

Exercise | Q 1.03 | Page 151

Multiple choice question.

Abscisic acid controls ______.

  • cell division

  • leaf fall and dormancy

  • shoot elongation

  • cell elongation and wall formation

Exercise | Q 1.04 | Page 151

Multiple choice question.

Which is employed for the artificial ripening of banana fruits?

  • Auxin

  • Ethylene

  • Cytokinin

  • Gibberellin

Exercise | Q 1.05 | Page 151

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

Exercise | Q 1.06 | Page 151

Multiple choice question.

For short-day plants, the critical period is

  • light

  • dark/ night

  • UV rays

  • both light and UV rays

Exercise | Q 1.07 | Page 151

Multiple choice question.

Which of the following is day-neutral plant?

a. Tomato

b. Cotton

c. Sunflower

d. Soybean

Exercise | Q 1.08 | Page 151

Multiple choice question.

Essential macroelements are ____________.

  • manufactured during photosynthesis

  • produced by enzymes

  • absorbed from soil

  • produced by growth hormones

Exercise | Q 1.09 | Page 151

Multiple choice question.

Function of Zinc is ______.

  • closing of stomata

  • biosynthesis of 3-IAA

  • synthesis of chlorophyll

  • oxidation of carbohydrates

Exercise | Q 1.1 | Page 151

Multiple choice question.

Necrosis means ______.

  • yellow spots on the leaves

  • death of tissue

  • darkening of green colour in leaves

  • wilting of leaves

Exercise | Q 1.11 | Page 151

Multiple choice question.

Conversion of nitrates to nitrogen is called ______

  • ammonification

  • nitrification

  • nitrogen fixation

  • denitrification

Exercise | Q 1.12 | Page 151

Multiple choice question.

How many molecules of ATP are required to fix one molecule of nitrogen?

  • 12

  • 20

  • 6

  • 16

Exercise | Q 2.01 | Page 151

Very Short Answer Question:

Enlist the phases of growth in plants?

Exercise | Q 2.02 | Page 151

Very Short Answer Question:

Give the full form of IAA?

Exercise | Q 2.03 | Page 151

Very Short Answer Question:

What does it mean by ‘open growth’?

Exercise | Q 2.04 | Page 151

Very Short Answer Question:

Which is the plant stress hormone?

Exercise | Q 2.05 | Page 151

Very Short Answer Question:

What is denitrification?

Exercise | Q 2.06 | Page 151

Very Short Answer Question:

Name the bacteria responsible for conversion of nitrite to nitrate.

Exercise | Q 2.07 | Page 151

Very Short Answer Question:

What is role of gibberellin in rosette plants?

Exercise | Q 2.08 | Page 151

Very Short Answer Question:

Define vernalization.

Exercise | Q 2.09 | Page 151

Very Short Answer Question:

Define photoperiodism.

Exercise | Q 2.1 | Page 151

Very Short Answer Question:

What is a grand period of growth?

Exercise | Q 3.1 | Page 152

Short Answer Question:

Write a short note on Differentiation.

Exercise | Q 3.1 | Page 152

Short Answer Question:

Write a short note on Re-differentiation.

Exercise | Q 3.2 | Page 152

Short Answer Question:

Differentiate between Arithmetic and Geometric growth.

Exercise | Q 3.3 | Page 152

Short Answer Question:

Enlist the role and deficiency symptoms of Nitrogen.

Exercise | Q 3.3 | Page 152

Short Answer Question:

Enlist the role and deficiency symptoms of Phosphorus.

Exercise | Q 3.3 | Page 152

Short Answer Question:

Enlist the role and deficiency symptoms of Potassium.

Exercise | Q 3.4 | Page 152

Short Answer Question:

What is short day plant? Give any two examples.

Exercise | Q 3.5 | Page 152

Very Short Answer Question:

Define vernalization.

Exercise | Q 3.5 | Page 152

Short Answer Question:

Give its significance of vernalization.

Exercise | Q 4.1 | Page 152

Long Answer Question:

Explain sigmoid growth curve with the help of diagram.

Exercise | Q 4.2 | Page 152

Long Answer Question:

Describe the types of plants on the basis of photoperiod required, with the help of suitable examples.

Exercise | Q 4.3 | Page 152

Long Answer Question:

Explain biological nitrogen fixation with example.

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Chapter 7: Plant Growth and Mineral Nutrition

Exercise
Biology 12th Standard HSC for Maharashtra State Board - Shaalaa.com

Balbharati solutions for Biology 12th Standard HSC for Maharashtra State Board chapter 7 - Plant Growth and Mineral Nutrition

Balbharati solutions for Biology 12th Standard HSC for Maharashtra State Board 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 Biology 12th Standard HSC for Maharashtra State Board 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. Balbharati textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Biology 12th Standard HSC for Maharashtra State Board chapter 7 Plant Growth and Mineral Nutrition are Plant Growth, Phases of Plant Growth, Conditions for Plant Growth, Plant Growth Rate, Types of Plant Growth, Plant Growth Curve, Differentiation, De-differentiation, Re- Differentiation, Plant Development, Plant Plasticity, Plant Growth Hormones, Photoperiodism, Vernalization (Yarovization), Plant Mineral Nutrition, Nitrogen Cycle.

Using Balbharati 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 Balbharati Solutions are important questions that can be asked in the final exam. Maximum students of Maharashtra State Board 12th Board Exam prefer Balbharati 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 Biology 12th Standard HSC for Maharashtra State Board and can use Shaalaa.com to keep it handy for your exam preparation

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