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MCQClass 11 / Biology / Medium / Level 2
QUESTION
Essential mineral element की पहचान का सही आधार क्या है?
What is a correct basis for identifying an essential mineral element?
CORRECT ANSWER
A
उसकी कमी से plant life cycle complete नहीं कर पाता / Its absence prevents plant from completing life cycle
EXPLANATION INSIDE
Step 1: essentiality criterion पहचानें। Step 2: Essential element की कमी से plant normal growth और reproduction complete नहीं कर पाता। Step 3: Essential means necessar...