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Mineral Nutrition (Class 11th Biology) Revision Test | MCQs For NEET

25 Questions 7 Attempts 4.08K Seen
In this practice test, we have included the 25 most important multiple choice questions from the chapter- Mineral Nutrition (Class 11th Biology). Attempt this test to know your score and practice for a quick revision before the exam. Start Test without Login in
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Q.1. In plants, a common symptom caused by deficiency of P, K, Ca and Mg is the

  1. bending of leaf tip
  2. formation of anthocyanins
  3. poor development of vasculature
  4. appearance of dead necrotic tissue

Q.2. Function of zinc is

  1. Closing of stomata
  2. Biosynthesis of 3-IAA
  3. Synthesis of chlorophyll
  4. Oxidation of carbohydrate

Q.3. Which of the following is a group of micronutrients?

  1. Ca, Zn, B
  2. Fe, Mn, Cu
  3. Cl, C, Ca
  4. Ni, Mo, H

Q.4. The process of conversion of NO2– to N2 is called

  1. nitrification
  2. ammonification
  3. denitrification
  4. nitrogen fixation

Q.5. The formation of first stable product of nitrogen fixation is catalysed by enzyme

  1. dehydrogenase
  2. nitrogenase
  3. isomerase
  4. none of these

Q.6. Manganese toxicity leads to deficiency of

  1. iron
  2. calcium
  3. magnesium
  4. all of the above

Q.7. Chlorosis will occur if a plant is grown in

  1. dark
  2. shade
  3. strong light
  4. Fe – free medium

Q.8. Choose the correct function of magnesium

  1. It is a constituent of several coenzyme
  2. It activates the enzymes of respiration and photosynthesis.
  3. It activates enzyme catalase
  4. It helps in maintaining anion-cation balance

Q.9. Mineral salts which are absorbed by the roots from soil are in the form of

  1. Dilute solution
  2. Very concentrated solution
  3. Concentrated solution
  4. Very dilute solution

Q.10. Which one of the following mineral elements plays an in biological nitrogen fixation?

  1. Copper
  2. Manganese
  3. Zinc
  4. Molybdenum

Q.11. Oxygen scavangers present in root nodules of legumes is

  1. haemoglobin
  2. leg haemoglobin
  3. cyano haemoglobin
  4. none of these

Q.12. Which one of the following is not a micronutrient?

  1. Magnesium
  2. Molybdenum
  3. Boron
  4. Zinc

Q.13. Which of the following is not a macronutrient

  1. iron
  2. calcium
  3. manganese
  4. phosphorus

Q.14. Insectivorous plants grow where

  1. There is carbohydrate deficient soil
  2. There is nitrogen deficient soil
  3. Vitamin c is required
  4. Hormones are required

Q.15. Phytotron is meant for

  1. Controlled humidity
  2. Induction of mutations
  3. Controlled irradiation
  4. Growing plants under controlled environment

Q.16. Toxicity of which element leads to the appearance of brown spots on leaves

  1. Mg
  2. Mn
  3. Fe
  4. Cu

Q.17. Presence of phosphorus

  1. brings about healthy root growth
  2. promotes fruit ripening
  3. retards protein formation
  4. none

Q.18. Which element is required for opening and closing of stomata?

  1. P
  2. K
  3. Ca
  4. Na

Q.19. Exanthema is due to deficiency of

  1. B
  2. Mo
  3. Mn
  4. Cu

Q.20. NPK denotes

  1. Nitrogen, Protein, Kinetin
  2. Nitrogen, Protein, Potassium
  3. Nitrogen, Potassium, kinetin
  4. Nitrogen, Phosphorus, Potassium

Q.21. The nitrogen exists as two nitrogen atoms joined by

  1. Di covalent bonds
  2. tetra covalent bonds
  3. triple covalent bonds
  4. monocovalent bond

Q.22. Biological nitrogen fixation was discovered by

  1. Gericke
  2. Nehar and Sakmann
  3. Liebig
  4. Winograndsky

Q.23. The enzyme involved in biological nitrogen fixation are

  1. Carboxylase
  2. Oxygenase
  3. Dehydrogenase
  4. Nitrogenase

Q.24. The requirement of micro nutrient are always low if the concentration increases it leads to

  1. deficiency symptoms
  2. Cell differentiation
  3. toxicity
  4. Cell elongation

Q.25. Analysis of xylem sap shows

  1. presence of enzymes
  2. presence of organic matter
  3. presence of nutrients
  4. presence of mineral salts
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