Q. A small aquatic plant was put in each of the petri dishes- X, Y and Z, containing different culture solutions. After six weeks, the plant in dish-X had the same number of leaves as it had previously and were all small and yellowish. Plant in dish-Y had more leaves of normal size and dark green colour. Plants in dish-Z had more leaves of normal size but very pale. Which of the following show the elements missing the culture?

A) Magnesium Phosphorus Nitrogen
B) Phosphorus Magnesium Nitrogen
C) Phosphorus Nitrogen Magnesium
D) Magnesium Nitrogen Phosphorus
Explanation

Magnesium (Mg), Phosphorus (P) and Nitrogen (N) will be used in the given culture.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.