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

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

Check the below NCERT MCQ Questions for Class 11 Biology Chapter 12 Mineral Nutrition with Answers Pdf free download. MCQ Questions for Class 11 Biology with Answers were prepared based on the latest exam pattern. We have provided Mineral Nutrition Class 11 Biology MCQs Questions with Answers to help students understand the concept very well.


Q1. Which one of the following is a wrong statement ?

(a) Greenhouse effect is a natural Phenomenon
(b) Eutrophication is a natural phenomenon in freshwater bodies
(c) Most of the forests have been lost in tropical areas
(d) Ozone in upper part of atmosphere is harmful to animals

(d) Ozone in upper part of atmosphere is harmful to animals


Q2. That element which helps in electron transport in the process of photosynthesis

(a) Zinc
(b) Chlorine
(c) Manganese
(d) Boron

(c) Manganese


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

(a) Aspergillus
(b) Trichoderma
(c) Glomus
(d) Azotobacter

(c) Glomus


Q4. Which one of the following is a micronutrient in plants?

(a) Potassium
(b) Magnesium
(c) Calcium
(d) Zinc

(d) Zinc


Q5. Which is essential for root hair growth?

(a) Zn
(b) Mo
(c) Ca
(d) S

(c) Ca


Q6. Which one of the following mineral elements plays an in biological nitrogen fixation?

(a) Copper
(b) Manganese
(c) Zinc
(d) Molybdenum

(d) Molybdenum


Q7. Function of laghaemoglobin during biological nitrogen fixation in root nodules of legumes is to

(a) Protect nitrogenase from Oxygen
(b) Transport Oxygen for nitrogenase activity
(c) Convert ammonium into nitrite
(d) Convert N2 to NH2

(a) Protect nitrogenase from Oxygen


Q8. Those essential element which occur in 1-10 mg/g of dry matter are

(a) Macronutrients
(b) Micronutrients
(c) Toxic elements
(d) Beneficial nutrients

(a) Macronutrients


Q9. The middle lamella mainly contains

(a) Na
(b) Mg
(c) K
(d) Ca

(d) Ca


Q10. Nitrogenase enzyme converts

(a) Nitrate and nitrite into nitrogen
(b) Atmospheric nitrogen into ammonia
(c) Ammonia into nitrate and nitrite
(d) Nitrate into nitrite

(b) Atmospheric nitrogen into ammonia


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

(a) Potassium
(b) Calcium
(c) Phosphorus
(d) Copper

(a) Potassium


Q12. Choose the odd one out among the following

(a) Pseudomonas
(b) Rhizobium
(c) Azotobacter
(d) Bacillus anabaena

(a) Pseudomonas


Q13. Phosphorous is a constituent of A.Cell membrane B.Nucleic acids C.cellwallD.chlorophyll

(a) C and D
(b) A and B
(c) B and C
(d) D and A

(b) A and B


Q14. It is the technique of growing plants in above-ground strands provided with fine mist of normal solution.

(a) Chemoponics
(b) Hydroponics
(c) Hygroponics
(d) Aeroponics

(d) Aeroponics


Q15. Minerals present in the soil are absorbed by

(a) stems
(b) leaf
(c) roots
(d) buds

(c) roots


Q16. Toxicity of which element leads to the appearance of brown spots on leaves

(a) Mg
(b) Mn
(c) Fe
(d) Cu

(b) Mn


Q17. Presence of phosphorus

(a) brings about healthy root growth
(b) promotes fruit ripening
(c) retards protein formation
(d) none

(c) retards protein formation


Q18. Which element is required for opening and closing of stomata?

(a) P
(b) K
(c) Ca
(d) Na

(b) K


Q19. Exanthema is due to deficiency of

(a) B
(b) Mo
(c) Mn
(d) Cu

(d) Cu


Q20. NPK denotes

(a) Nitrogen, Protein, Kinetin
(b) Nitrogen, Protein, Potassium
(c) Nitrogen, Potassium, kinetin
(d) Nitrogen, Phosphorus, Potassium

(d) Nitrogen, Phosphorus, Potassium


Q21. Analysis of xylem sap shows

(a) presence of enzymes
(b) presence of organic matter
(c) presence of nutrients
(d) presence of mineral salts

(d) presence of mineral salts


Q22. In plant, nitrate is reduced to ammonia state in two steps. In second step electrons are donated by

(a) Nitrite reductase
(b) Cytochrome b5
(c) Ferredoxin
(d) Nitrate reductase

(c) Ferredoxin


Q23. Which one of the following organism help in absorption of phosphorus from soil by plants

(a) Glomus
(b) Frankia
(c) Rhizobium
(d) Anabaena

(a) Glomus


MCQ Questions for Class 11 Biology with Answers Chapter Wise


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