Q. Which of the given options are correct for hydroponics? Select the correct pair I. Hydroponics technique is useful in areas having infertile and dry soils II. Hydroponics can regulate pH optimum for a particular crop III. It increases the labour cost IV. It increases the problem of weeding
A) I and IV
B) I and II
C) I and III
D) Only I
Explanation
Hydroponics technique is useful in areas having infertile and dry soils and can regulate pH optimum for a particular crop
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.