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The phase in paper chromatography is water that trapped in a thin strip or a small piece of paper that is placed in the solvent. (stationary/mobile)

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Important Questions on Organic Chemistry- Some Basic Principles and Techniques

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Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Methods of Purification of Organic Compounds
Which of the following biomolecules is common to respiration mediated breakdown of fats, carbohydrates, and proteins?
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Emerson's enhancement effect and red drop have been instrumental in the discovery of:
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Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Methods of Purification of Organic Compounds
Cytochromes are found in:
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If  14CO2 is added to a suspension of photosynthesizing chloroplasts, which of the following will be the first compound to be radioactive?
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Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Methods of Purification of Organic Compounds

Assertion (A): Chromatographic separation of leaf pigments shows that leaves has four different pigments.

Reason (R): Pigments absorb light at specific wavelengths and help in the process of photosynthesis. The major leaf pigments are chlorophyll-a, chlorophyll-b, xanthophylls and carotenoids. 

The correct option among the following is:

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Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Methods of Purification of Organic Compounds
The percentage of sunlight captured by plants is
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Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Methods of Purification of Organic Compounds
A plant in your garden avoids photorespiratory losses, has improved water use efficiency, shows high rates of photosynthesis at high temperatures and has improved efficiency of nitrogen utilization. In which of the following physiological groups would you assign this plant?
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Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Methods of Purification of Organic Compounds
Which statement is wrong for Krebs' cycle?
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Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Methods of Purification of Organic Compounds
With the help of a suitable diagrammatic representation explain HSK pathway.
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Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Methods of Purification of Organic Compounds
In chromatography, which of the following statements is incorrect for Rf?
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Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Methods of Purification of Organic Compounds
Which one of the following options is true in photosynthesis?
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Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Methods of Purification of Organic Compounds
Which one of the following is NOT a role of accessory pigments?
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Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Methods of Purification of Organic Compounds
The two enzymatic activities associated with RuBisCO are:
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Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Methods of Purification of Organic Compounds
The process which makes a major difference between C3 and C4 plants is:
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Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Methods of Purification of Organic Compounds
With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct?
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Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Methods of Purification of Organic Compounds
Z- scheme is connected with ___.
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Which of the following statements is incorrect?
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Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Methods of Purification of Organic Compounds
In chromatography technique, the purification of a compound is independent of:
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Chemistry>Organic Chemistry>Organic Chemistry- Some Basic Principles and Techniques>Methods of Purification of Organic Compounds
Choose the correct statements among the following.
A) Chlorophyll is the major pigment responsible for the trapping of light, accessory pigments also participate
B) In green plants, H2O is the hydrogen donor
C) In purple sulfur bacteria the oxidation product is carbon
D) Radioisotope studies proved water as a source of O2 release in photosynthesis.
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A chromatography column, packed with silica gel as stationary phase, was used to separate a mixture of compounds consisting of A benzanilide B aniline and C acetophenone. When the column is eluted with a mixture of solvents, hexane:ethyl acetate 20:80 , the sequence of obtained compounds is: