Plant Nutrition
Biology Quiz
|
Azolla - an aquatic fern has Nitrogen Fixing capability |
MCQs for AIPMT/CEET/Pre Medical
Q1: Nitrifying bacteria converts
(a) atmospheric nitrogen into soluble forms
(b) convert ammonia to nitrate
(c) ammonia to nitrogen
(d) nitrate to nitrogen.
Q2: Amino acids are mostly synthesized from
(a) mineral acids
(b) fatty acids
(c) volatile acids
(d) alpha-ketoglutaric acid
Q3: Which of the following is a micro-nutrient for plants?
(a) Pottassium
(b) Iron
(c) Iodine
(d) Zinc
Q4: If a plant’s younger leaves are yellowing but older one remains green, what could be the most probable cause of plant’s blight?
(a) Improper sunlight
(b) Lack of nitrogen fixing bacteria in soil
(c) Deficiency of immobile mineral nutrient
(d) Deficiency of mobile mineral nutrient
Q5: Enzyme involved in nitrogen assimilation is ___________.