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Which of the following is the mismatched pair?
Question
Easy
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Solving time: 1 mins

Which of the following is the mismatched pair?

A
Mineral element- nitrogen
Form that is absorbed by plant-

B
Mineral element- phosphorus
Form that is absorbed by plant-

C
Mineral element- sulphur
Form that is absorbed by plant-

D
Mineral element- iron
Form that is absorbed by plant-

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Views: 5,327 students

Updated on: Oct 24, 2022

Book

Book:

Xtract Objective Biology for NEET (Disha)

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Text SolutionText solutionverified iconVerified

Plants obtain sulphur in the form of sulphate ( ).
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Practice questions from Xtract Objective Biology for NEET (Disha)

Question 1
Easy
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Which of the following essential element is required for photochemical reaction involved in photolysis of water?
Topic

Topic:

Mineral Nutrition

Book

Book:

Xtract Objective Biology for NEET (Disha)

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Question 2
Medium
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Which of the following statements are correct?
(i) Magnesium competes with iron and manganese for uptake and with iron for binding with enzymes.
(ii) Magnesium inhibit calcium translocation in shoot apex.
(iii) Excess of manganese may induce deficiencies of iron, magnesium and calcium.
(iv) Symptoms of manganese toxicity may actually be the deficiency symptoms of iron, magnesium and calcium.
  1. (i), (ii) and (iii)
  2. (i) and (ii)
  3. (iii) and (iv)
  4. (ii), (iii) and (iv)
Topic

Topic:

Mineral Nutrition

Book

Book:

Xtract Objective Biology for NEET (Disha)

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Question 3
Easy
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All are free-living nitrogen fixers except
Topic

Topic:

Mineral Nutrition

Book

Book:

Xtract Objective Biology for NEET (Disha)

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Question 4
Easy
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A gardner purchases a commercial fertilizer. The label says that it is 10-20-10. This label refers to the
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  2. percentage of nitrogen, carbon and oxygen.
  3. rate at which nitrogen is released from the fertilizer.
  4. ratio of organic to inorganic matter in the fertilizer.
Topic

Topic:

Mineral Nutrition

Book

Book:

Xtract Objective Biology for NEET (Disha)

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Practice more questions from Mineral Nutrition

Question 1
Easy
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Which of the following is essential mineral element and is not a constituent of any enzyme but stimulate the activity of many enzymes?
  1. Zn
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  3. Mn
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Topic

Topic:

Mineral Nutrition

Book

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Precalculus

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Question 2
Easy
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Which one of the following nutrient serves as micro elements for plant growth?
  1. Manganese, copper, calcium, zinc
  2. Sodium, potassium, boron, chlorine
  3. Sodium, nickel, chlorine, copper
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Topic:

Mineral Nutrition

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Book:

Precalculus

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Question 3
Easy
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Deficiency of molybdenum cause:
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  2. Bending of leaf tip
  3. Yellowing of leaves
  4. Mottling and necrosis of leaves
Topic

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Mineral Nutrition

Book

Book:

Precalculus

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Question 4
Easy
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Necrosis means:
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  2. Death of tissue and decomposition
  3. Darkening of green colour in leaves
  4. None of the above
Topic

Topic:

Mineral Nutrition

Book

Book:

Precalculus

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What disease affects the female reproductive system and also has subsequent effects on the digestive system?
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(a) From this plot, estimate Km and Vmax for carbonic anhydrase. Make sure to include appropriate units. (b) Using the values that you estimated in part (a), calculate the initial velocity (V0) of the reaction when [CO2] is 5 mM. (c) Calculate the concentration of [CO2] at which V0 will be 95% of Vmax. (d) In the space below, convert the data from the researchers' plot into a double-reciprocal plot and indicate the slope and x-axis and y-axis intercepts. (e) The researchers work to develop a mutant of this enzyme with a specificity constant that approaches "catalytic perfection", such that it is only limited by the rate of enzyme substrate diffusion (in this case 108 M-1 s-1). If the Km of the mutant enzyme remains the same as the wildtype (shown above), and the molecular weight of the mutant enzyme is 30 kDa, how many grams of CO2 would 5 g of enzyme need to turn over in 1 minute to reach catalytic perfection? (f) Considering that 10 g of the wild type enzyme was used to generate the data in the plot for part (a), calculate cat and the specificity constant for the wild type enzyme. The molecular weight of the wild type enzyme is 30 kDa and the volume of the reaction solution for the experiment in part (a) is 1 L. Assuming that the researchers from part (e) are successful in creating a mutant enzyme that achieves "catalytic perfection" with a specificity constant of 108 M-1 s-1, compare the cat and the specificity constant for the wild type and mutant enzymes. How many more molecules of substrate would be converted to product in a minute by a single mutant enzyme as compared to a single wild type enzyme? Please report both the actual number of molecules and the factor increase. 2. A group of researchers has been working with the enzyme carbonic anhydrase which catalyzes the following reaction to hydrate cO2 and allow for its transport from the tissues to the lungs: H2O + CO2= H++HCO3 The researchers measure the dependence of the initial velocity of the enzyme catalyzed reaction on substrate concentration and a plot of their data is shown below: 8.0 6.0 Vo 4.0 - (mM *min-1) 2.0 of 15 30 45 60 75 [COz] (mM)
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Based on what you learned about the endocrine system - does it affect the functions of the lungs and heart?
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Question Text
Which of the following is the mismatched pair?
Updated OnOct 24, 2022
TopicMineral Nutrition
SubjectBiology
ClassClass 11
Answer TypeText solution:1 Video solution: 1
Upvotes205
Avg. Video Duration20 min