Chapter 12 Mineral Nutrition MCQs for Class 11 Biology
Here students can practice Chapter 12 Mineral Nutrition MCQs for Class 11 Biology. All the MCQs are divided into several sub-pages. Each page has 40 MCQs, for the next page just scroll down and click on the buttons. Also you can practice Class 11 Biology MCQs (Multiple Choice Questions) for other chapters.
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Q 1.: __________ is a technique where the plants are grown with their roots suspended in the air.
Q 2.: __________ is an important mineral nutrient
Q 3.: __________ are the elements, without which, the plants will not be able to complete its life cycle
(D) Essential elements
Q 4.: The idea that plants need essential minerals was first proposed by
(B) Bernand Simpson
(C) Arnon and Stout
(D) Von Haier
Q 5.: __________ is not a trace element
Q 6.: ___________ is trace element
Q 7.: Deficiency of __________ causes chlorosis in older leaves
Q 8.: Deficiency of _________ causes the leaves to develop a dark green colouration
(D) None of the above
Q 9.: A “wild type” organism that does not need any additional growth supplement is known as
Q 10.: Which element is located at the centre of the porphyrin ring in chlorophyll?
Q 11.: Leghaemoglobin helps in
(A) Protecting nitrogenase from O2
(B) Destroys bacteria
(C) Transport of food in plants
(D) Nitrogen fixation
Q 12.: A free living nitrogen-fixing cyanobacterium which can also for symbiotic association with the water fern Azolla is
Q 13.: The plant ash is an indication of
(A) Mineral salts absorbed by plants
(B) None of the above
(C) Waste product
(D) Organic matter of plant
Q 14.: Hydroponics is
(A) Soilless culture
(B) Nutrient less culture
(C) Water less culture
(D) None of these
Q 15.: Which element is required in the germination of pollen grain?
Q 16.: A trace element essential for plant growth and radio-isotope which is used in cancer therapy is
Q 17.: Which one of the following elements in plants is not remobilised?
Q 18.: Plants die from prolonged water-logging because
(A) Root respiration stops.
(B) Cell sap in the plants becomes too dilute.
(C) Nutrients leach down due to excess water.
(D) Soil nutrients become very dilute.
Q 19.: Death of stem and root tips occur due to deficiency of
Q 20.: Mineral associated with cytochrome is
(C) Fe and Mg
(D) Fe and Cu
Q 21.: The association between blue-green algae and fungi occurs in
Q 22.: Which one of the following is not an essential element for plants?
Q 23.: The core metal of chlorophyll is
Q 24.: Which one of the following is a micronutrient for plants?
Q 25.: Which of the following is a free living aerobic non-photosynthetic nitrogen-fixer?
Q 26.: The plants grown in magnesium deficient but urea sprayed soil would show
(A) Deep green foilage
(B) Early flowering
(C) Yellowing of leaves
(D) Loss of pigments in petals
Q 27.: Which aquatic fern performs nitrogen fixation?
Q 28.: Enzyme involved in nitrogen assimilation
(B) Nitrate reductase
Q 29.: Element necessary for the middle lamella
Q 30.: Boron in green plants assists in
(A) Sugar transport
(B) Activation of enzyme
(C) Acting as enzyme cofactor
Q 31.: Grey spots of oat are caused by deficiency of
Q 32.: Which one of the following is a magnesium deficiency syndrome
(A) Elongated stem
(B) Chlorosis in young leaves
(C) Chlorosis in older leaves
(D) Spindly and woody stem
Q 33.: Dark green colouration in leaves is caused due to deficiency of which mineral?
Q 34.: Enzymes involved in respiration are activated by which minerals?
(A) Sulphur and iron
(B) Potassium and calcium
(C) Nitrogen and phosphorus
(D) Magnesium and manganese
Q 35.: Which is not a micronutrient?
Q 36.: Among the elements given below, which one has not yet been proved as essential for plants?
Q 37.: What is the function of leg-haemoglobin in root nodules of legumes?
(A) They act as a catalyst during transamination
(B) It carries oxygen to root nodules
(C) It acts as a scavenger of oxygen
(D) They provides energy to nitrogen-fixing bacteria
Q 38.: Which of the following components contain phosphorus?
Q 39.: Plants absorb nitrogen from the soil which is in the form of
(A) Nitrogen oxide
(B) Nitric acid
(D) Free nitrogen gas
Q 40.: Which one of the following discovered nitrogen-fixing bacteria?
We hope that these Chapter 12 Mineral Nutrition MCQs for Class 11 Biology helped you in learning new concepts. All questions are based on NCERT syllabus and some of them have been asked in various competitive exams. You can go to the next pages to practice more for Chapter 12 Mineral Nutrition MCQs for Class 11 Biology, click on the question range given above.
Also you can practice Class 11 Biology MCQs (Multiple Choice Questions) for other chapters.