Plant Physiology MCQs — Class 9 Biology | Federal Board

QUESTION 1Not attempted

Any substance that provides necessary elements to the organism for growth and metabolism is called a:

QUESTION 2Not attempted

How many elements have been found essential for plant growth?

QUESTION 3Not attempted

Which of the following is a macronutrient?

QUESTION 4Not attempted

Which of the following is a micronutrient?

QUESTION 5Not attempted

Nitrogen is mainly absorbed by plants in the form of:

QUESTION 6Not attempted

Magnesium is essential for the formation of:

QUESTION 7Not attempted

What is chlorosis?

QUESTION 8Not attempted

Water is absorbed by roots through:

QUESTION 9Not attempted

Approximately what percentage of absorbed water is lost through transpiration?

QUESTION 10Not attempted

Most transpiration occurs through: