An essential element is

Options :
  1. in the absence of which plants can not complete their life cycle
  2. which is absent from the ash of plants
  3. in the absence of which plants do not grow normally but in presence of which they grow normally
  4. which is a part of essential metabolic molecules
Answer and Explanation :-

Answer: Option 3


Sorry there is no explanation for this answer. Please help others by posting your response below

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

Previous Question : When dried seeds are kept in water then they swell due to

Next Question : Which of the following is a trace essential elements

Click here for online test on Physiology


 (Getemail alerts when others member replies)

Being alive is sign of strength! Hiro Mashima, Fairy Tail, Vol.