CBSE Class 11 Mineral Nutrition — practice questions
33 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice CBSE Class 11 Mineral Nutrition in the app →Macronutrients in plants are required:Yellowing of leaves due to lack of chlorophyll is called:The technique of growing plants in nutrient solution WITHOUT soil is called:The enzyme used by NITROGEN-FIXING bacteria to convert N₂ to NH3 is:The genus of bacteria forming symbiotic root nodules in LEGUMES is:Nitrification (conversion of NH4+ to NO3⁻) is carried out by:The main DRIVING FORCE for upward water + mineral transport in tall trees is:Symptoms of MOBILE mineral deficiency (e.g., N, P, K) first appear in:Insectivorous plants like VENUS FLYTRAP and PITCHER PLANT trap insects mainly to obtain:Growing plants in a nutrient solution is called:How many essential elements are named for plants?An essential element must be necessary for growth and:The requirement for an essential element must be:An essential element must be directly involved in the plant's:Essential elements are divided into how many quantitative categories?Which of these is a macronutrient?Carbon, hydrogen and oxygen are mainly obtained from:Which of these is a micronutrient?Micronutrients are also known as:Which is described as a beneficial element rather than essential?The concentration below which growth is retarded is the:Loss of chlorophyll leading to yellowing of leaves is called:Death of tissue, particularly leaf tissue, is called:Deficiency of nitrogen, potassium, sulphur or molybdenum inhibits:Which elements delay flowering when present at low levels?Molybdenum is a component of nitrogenase and:Nitrogen fixing microbes may be free-living or:Which is a free-living aerobic nitrogen fixing microbe?Which cyanobacterium is a free-living nitrogen fixer?Which rod-shaped microbe forms nodules on legume roots?Small outgrowths on legume roots are called:Which microbe makes nitrogen fixing nodules on non-legumes?In nodule formation, rhizobia first colonise and attach to: