Mineral Nutrition MCQ Questions for Class 11 Biology Chapter 12 with Answers

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NCERT Chapters for Class 11 Biology


Q1. Hydroponics is

(i) soilless culture
(ii) nutrient less culture
(iii) water less culture
(iv) none of these


(i) soilless culture


Q2. Main source of nitrogen for plants is

(i) Atmoshpere
(ii) Soil
(iii) Nitrifying bacteria
(iv) Water soluble nitrites nitrates.


(i) Atmosphere.


Q3. Which one of the following microbes forms a symbiotic association with plants and helps them in their nutrition.

(i) Aspergillus
(ii) Trichoderma
(iii) Glomus
(iv) Azotobacter


(iii) Glomus


Q4. The formation of first stable product of nitrogen fixation is catalysed by enzyme

(i) dehydrogenase
(ii) nitrogenase
(iii) isomerase
(iv) none of these


(ii) nitrogenase


Q5. The most abundant element found in plants is

(i) Carbon
(ii) Manganese
(iii) Nitrogen
(iv) Iron


(i) Carbon


Q6. Which is essential for root hair growth?

(i) Zn
(ii) Mo
(iii) Ca
(iv) S


(iii) Ca


Q7. Presence of phosphorus

(i) brings about healthy root growth
(ii) promotes fruit ripening
(iii) retards protein formation
(iv) none


(iii) retards protein formation


Q8. Which one of the following organism help in absorption of phosphorus from soil by plants

(i) Glomus
(ii) Frankia
(iii) Rhizobium
(iv) Anabaena


(i) Glomus


Q9. In non-leguminous plants like Casurina and Alnus symbiotic N fixing bacteria occur in their roots like

(i) Frankia
(ii) Closteridium
(iii) Rhizobium
(iv) Azotobacter.


(i) Frankia.


Q10. An element which is constituent of every enzyme and is thus essential for ail biochemical reactions in plants is

(i) Nitrogen
(ii) Sulphur
(iii) Phosphorus
(iv) Carbon


(i) Nitrogen.


Q11. Deficiency of which of the following can cause yellowing of intravenous regions of leaves?

(i) Potassium
(ii) Calcium
(iii) Phosphorus
(iv) Copper


(i) Potassium


Q12. Which of the following is a group of micronutrients?

(i) Ca, Zn, B
(ii) Fe, Mn, Cu
(iii) Cl, C, Ca
(iv) Ni, Mo, H


(ii) Fe, Mn, Cu


Q13. Which among the following is NOT the source of nitrogen?

(i) Automobile exhaust
(ii) Xylem
(iii) Industrial combustion
(iv) Forest fire


(ii) Xylem


Q14. Which one of the following is a micronutrient in plants?

(i) Potassium
(ii) Magnesium
(iii) Calcium
(iv) Zinc


(iv) Zinc


Q15. Insectivorous plants grow where

(i) There is carbohydrate deficient soil
(ii) There is nitrogen deficient soil
(iii) Vitamin c is required
(iv) Hormones are required


(ii) There is nitrogen deficient soil


Q16. The requirement of micro nutrient are always low if the concentration increases it leads to

(i) deficiency symptoms
(ii) Cell differentiation
(iii) Toxicity
(iv) Cell elongation


(iii) Toxicity


Q17. The most common symbiotic nitrogen fixing organism/s is

(i) Azotobacter
(ii) Closteridium
(iii) Rhizobium leguminaris
(iv) Chlorobium.


(iii) Rhizobium leguminaris


Q18. Name the scientist who first showed that plants obtain minerals from the soil for their growth and development.

(i) Woodward
(ii) de-Saussure
(iii) Armon
(iv) Stout.


(i) Woodward.


Q19. Phosphorous is a constituent of A. Cell membrane B. Nucleic acids C. cellwall D. chlorophyll

(i) C and D
(ii) A and B
(iii) B and C
(iv) D and A


(ii) A and B


Q20. In plants, a common symptom caused by deficiency of P, K, Ca and Mg is the

(i) bending of leaf tip
(ii) formation of anthocyanins
(iii) poor development of vasculature
(iv) appearance of dead necrotic tissue


(iv) appearance of dead necrotic tissue


I Think the given NCERT MCQ Questions for class 11 Biology book Chapter 12 Mineral Nutrition with Answers Pdf free download will assist you. If you’ve got any queries regarding CBSE Class 11 Biology Mineral Nutrition MCQs Multiple Choice Questions with Answers, drop a comment below and that we will come back to you soon.


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Chapter : 5 Morphology of Flowering Plants Class 11 MCQ Questions
Chapter : 6 Anatomy of Flowering Plants Class 11 MCQ Questions
Chapter : 7 Structural Organisation in Animals Class 11 MCQ Questions
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Chapter : 9 Biomolecules Class 11 MCQ Questions
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Chapter : 11 Transport in Plants Class 11 MCQ Questions
Chapter : 12 Mineral Nutrition Class 11 MCQ Questions
Chapter : 13 Photosynthesis in Higher Plants Class 11 MCQ Questions
Chapter : 14 Respiration in Plants Class 11 MCQ Questions
Chapter : 15 Plant Growth and Development Class 11 MCQ Questions
Chapter : 16 Digestion and Absorption Class 11 MCQ Questions
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Chapter : 18 Body Fluids and Circulation Class 11 MCQ Questions
Chapter : 19 Excretory Products and their Elimination Class 11 MCQ Questions
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