Plant Growth and Development - Numerical Applications

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This section focuses on numerical, quantitative, and data-based problems related to plant growth and development. It is designed for Class 11–12 students, NEET aspirants, and undergraduate learners who want to strengthen their ability to apply growth concepts through calculations and data interpretation.

In this section, you will practice:

  • Numericals based on growth rate, absolute growth, and relative growth

  • Calculations involving growth kinetics and sigmoid growth curves

  • Data-based questions on effects of plant growth regulators

  • Graph interpretation related to growth phases and developmental stages

  • Quantitative analysis of environmental factors affecting growth

  • NCERT-aligned numerical questions and exam-oriented practice sets

The content is structured to improve step-by-step calculation skills, enhance data interpretation, and help students confidently handle numerical and graph-based questions in school examinations, NEET, and undergraduate assessments.

Develop speed and accuracy in solving numerical applications related to plant growth and development through systematic practice.

Q. At what temperature range do most plants grow best?
  • A. 0-10°C
  • B. 10-20°C
  • C. 20-30°C
  • D. 30-40°C
Q. How many chromosomes do most diploid plants have?
  • A. 10
  • B. 20
  • C. 30
  • D. 40
Q. How many hours of light do most plants require for optimal photosynthesis per day?
  • A. 6 hours
  • B. 12 hours
  • C. 18 hours
  • D. 24 hours
Q. How many stages are there in the typical life cycle of a flowering plant?
  • A. 2
  • B. 3
  • C. 4
  • D. 5
Q. How many types of plant hormones are primarily involved in growth regulation?
  • A. 2
  • B. 4
  • C. 5
  • D. 7
Q. What is the average growth rate of a typical tree in cm per year?
  • A. 10 cm
  • B. 20 cm
  • C. 30 cm
  • D. 40 cm
Q. What is the average height of a fully grown bamboo plant?
  • A. 5 m
  • B. 10 m
  • C. 15 m
  • D. 20 m
Q. What is the average lifespan of a typical herbaceous plant?
  • A. 1 year
  • B. 2 years
  • C. 5 years
  • D. 10 years
Q. What is the average number of seeds produced by a single sunflower head?
  • A. 100
  • B. 500
  • C. 1000
  • D. 2000
Q. What is the typical percentage of water content in a healthy plant?
  • A. 50%
  • B. 70%
  • C. 90%
  • D. 100%
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