Question
Who formulated the criteria of essentiality of nutrients
in plants?Solution
Arnon and Stout Developed the criteria that nutrients must meet to be considered essential for plant growth and development, including elements like carbon (C), hydrogen (H), oxygen (O), and several mineral nutrients. These criteria form the basis for understanding the essential elements required by plants for their optimal growth and health.
Find the remainder when the number (625n + 378) is divided by 25.
What is the digit in the units place of the number (1624)24 ?
In a class of 40 students, 60% are boys and the rest are girls. If 50% of the boys and 70% of the girls passed the exam, how many students failed the exam?
 If the sum of two numbers is 33 and their difference is 15, the smaller number is
The sum of two numbers is 18 while the sum of their squares is 164. Find the sum of the cubes of those two numbers.
If the sum of two positive numbers is 37 and the difference between these two numbers is 5, then what is the product of the two numbers?
If X + Y = 23 and XY = 126, what is the value of (X)² + (Y)² ?
Find the remainder when the number (256n + 105) is divided by 16.
What is the average of first 26 multiples of 2.6?
Find the value of: 37 × 25 + 37 × 75 without doing full multiplication separately.
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