List of top Plant Biotechnology Questions

Match List-I with List-II

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Match List-I with List-II

Choose the correct answer from the options given below:

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A) : Carbohydrates are more efficient storage form of the energy as compared to the triacylglycerols.
Reason (R) : Carbohydrates are more oxidized and hence yield more energy on oxidation.
In light of the above statements, choose the correct answer from the options given below:

Non-GM herbicide tolerant rice varieties viz. PB 1979 and PB 1985 have been developed by mutating gene encoding for which one of the following enzymes?

Match List-I with List-II

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The absorbance of a solution of an analyte having 75% transmittance would be equal to (Given log 5= 0.6990 and log 3= 0.4771):

The "Van Deemter equation" describes the elements of band broadening and chromatographic column efficiency in terms of
(A). Eddy diffusion of analyte in the column
(B). Longitudinal diffusion of analyte in the column
(C). Mass transfer of analyte between stationary and mobile phase
(D). Flow rate
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Which of the following enzymes of Glycolytic pathway has achieved the catalytic perfection in the sense that any increase in its catalytic efficiency would not increase the rate of reaction catalysed by it?

The molarity of a buffer soultion made up from a weak acid and its conjugate base would be equal to:

Which of the following patterns is true about the relationship between three pKa values of triprotic phosphoric acid?

The decreasing order of the numerical values of Molar Extinction Coefficient of following amino acids at 280 nm is:
(A). Cysteine
(B). Phenylalanine
(C). Tyrosine
(D). Tryptophan
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Match List-I with List-II

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Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A) : The fluorescence of Green Fluorescent Protein (GFP) occurs without the assistance of any helper molecule or prosthetic group.
Reason (R) : Three amino acids-serine, tyrosine and glycine- in the sequence of GFP react between themselves to form a chromophore that imparts light-transducing capability to GFP.
In light of the above statements, choose the correct answer from the options given below:

Equal volumes of 0.1 M acetic acid and 0.1 M sodium acetate are mixed to form a buffer solution. Considering that the ionization of acetic acid is occuring at dissociation constant of \(1.74 \times 10^{-5}\), what will be its pKa value? (Given: log 1.74 = 0.24)

Which one of the following monounsaturated fatty acids is not an omega-9 (\(\omega\)-9) fatty acid?

Most commonly used chemicals to break dormancy requiring light in seeds (of oats, lettuce, gladiolus etc.) are
(A) Potassium nitrate
(B) Kinetine
(C) Thiourea
(D) NAA
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Identify the crop plants based on the amount of water consumed per gram of $\text{CO}_2$ fixed:
(A) Cowpea < Wheat < Redgram
(B) Tomato < Pineapple < Sorghum
(C) Pineapple < Maize < Rice
(D) Soybean < Sugarcane < Brinjal
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Identify the nutrient elements in crop plants, capable of getting redistributed under deficiency conditions in descending order:

Identify the synthetic inhibitors used in crop plants
(A) Maleic Hydrazide
(B) Chlormequat Chloride
(C) Paclobutrazol
(D) Triidobenzoic acid
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Identify the "Orthodox" seeds
(A) Sorghum
(B) Mango
(C) Sapota
(D) Cotton
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The enzyme requiring nickel in higher plants is

The test which is used to determine the difference between the observed frequencies and expected frequencies in one or more than one categories is

Given below are two statements:
Statement (I) : The Photosynthetic Photon Flux Density (PPFD) at which the $\text{CO}_2$ uptake by photosynthesis is exactly equal to $\text{CO}_2$ released through respiratory process is called Light Compensation Point (LCP).
Statement (II) : LCP of sun plants range from $1 - 5\text{ }\mu\text{mol m}^{-2}\text{ s}^{-1}$, whereas the corresponding values for shade plants are $10 - 20\text{ }\mu\text{mol m}^{-2}\text{ s}^{-1}$.
In light of the above statements, choose the most appropriate answer from the options given below.