Please refer to Assignments Class 11 Biology Mineral Nutrition Chapter 12 with solved questions and answers. We have provided Class 11 Biology Assignments for all chapters on our website. These problems and solutions for Chapter 12 Mineral Nutrition Class 11 Biology have been prepared as per the latest syllabus and books issued for the current academic year. Learn these solved important questions to get more marks in your class tests and examinations.
Mineral Nutrition Assignments Class 11 Biology
Question. Choose the pair from the following in which both the elements share common function during photosynthesis in plants.
(a) Chlorine and Magnesium
(b) Potassium and Phosphorus
(c) Boron and Molybdenum
(d) Manganese and Chlorine
Answer
D
Question. During biological nitrogen fixation the energy input is :
(a) 16 ATP for each NH3
(b) 8 ATP for two NH3
(c) 32 ATP for two NH3
(d) 8 ATP for each NH3
Answer
D
Question. During nitrogen metabolism in plants, transaminase enzyme is used in conversion of :
(a) Glutamic acid into other amino acids
(b) a-Ketoglutaric acid into glutamic acid
(c) Glutamic acid into glutamine
(d) NH4+ into glutamic acid
Answer
A
Question. Proper aeration is required in hydroponics.
(a) to avoid the toxicity of minerals
(b) for translocation of mineral from root to shoot
(c) for absorption of minerals
(d) to decrease the osmotic pressure in root cells
Answer
C
Question. If deficiency symptoms of any element appear first in the senescent leaves, this element should not be :
(a) Calcium
(b) Nitrogen
(c) Potassium
(d) Magnesium
Answer
A
Question. Deficiency symptoms of element can be visualised
by what kind of changes ?
(a) Physiological changes
(b) Morphological changes
(c) Chemical changes
(d) Anatomical changes
Answer
B
Question. What is the major fate of NH3 produced by ammonification ?
(a) Volatilise to re-enter in the atmosphere
(b) Absorbed by plants
(c) Converted into nitrates
(d) Denitrification
Answer
C
