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DBT BET JRF 2022 Previous Year Questions and Video solution

Original Fraction After Percentage Changes

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April 6, 2025
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If the numerator of a fraction is increased by 15% and its denominator is decreased by 8%, the new fraction becomes 15/16. Find the original fraction. A. 4/3 B. 15/4 […]

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How to Calculate Volume by Rotating a Line Around the Y-Axis

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April 6, 2025
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The line 𝑦 = 2𝑥 from 𝑥 = 0 to 1 is rotated around the y-axis. The volume generated is: A. 1/2 𝜋 B. 2/3 𝜋 C. 3/4 𝜋 D. […]

You are measuring blood glucose level by glucose oxidase method. Following are the absorbance values that you got for the standard and the test sample. Determine the glucose concentration in the test sample: sample Concentration 𝐴505 Standard 1 0.4 mmol/L 0.120 Standard 2 0.6 mmol/L 0.180 Standard 3 0.8 mmol/L 0.240 unknown ? 0.210

DBT BET JRF 2022 Previous Year Questions and Video solution

Calculate Blood Glucose Concentration Using the Glucose Oxidase Method

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April 6, 2025
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You are measuring blood glucose level by glucose oxidase method. Following are the absorbance values that you got for the standard and the test sample. Determine the glucose concentration […]

Match the items in List I with the items in List II List I List II A. Sucrose I. 𝛽-glycosidic link (D-glucose) B. Lactose II. 𝛼-glycosidic link (D-glucose) C. Maltose III. 𝛽-glycosidic link (D-glucose and D-galactose) D. Cellobiose IV. 𝛼-1, 𝛽-2-glycosidic link(D-glucose and D-fructose)

DBT BET JRF 2022 Previous Year Questions and Video solution

Understanding Disaccharides and Their Glycosidic Linkages

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April 6, 2025
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Match the items in List I with the items in List II List I […]

500 mg of a drug (Molecular weight 100) was intravenously injected into an individual having a blood volume of 5 litre. The drug is neither absorbed by the tissues nor it is excreted. If the drug is metabolized so that half of it is degraded in eight hours, what would be the molar concentration of the drug one day after injection? A. 2.5 mm B. 1.25 mM C. 0.625 mm D. 0.0312 mM

DBT BET JRF 2022 Previous Year Questions and Video solution

Calculating Drug Concentration After One Day

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April 6, 2025
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500 mg of a drug (Molecular weight 100) was intravenously injected into an individual having a blood volume of 5 litre. The drug is neither absorbed by the tissues nor […]

Identify the sum of 𝑎 + 𝑏 + 𝑐, provided the total of each row and each column is same. 11 16 a 10 b 14 c 8 13

DBT BET JRF 2022 Previous Year Questions and Video solution

Solving the Magic Square: Find the Sum of a + b + c

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April 6, 2025
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Identify the sum of 𝑎 + 𝑏 + 𝑐, provided the total of each row and each column is same. 11 16 a 10 b 14 c 8 13 […]

Gap junctions are absent in: A. Brain cells. B. Cardiac muscle cells. C. Liver cells. D. Erythrocytes.

DBT BET JRF 2022 Previous Year Questions and Video solution

Which Cells Lack Gap Junctions

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April 6, 2025
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Gap junctions are absent in: A. Brain cells. B. Cardiac muscle cells. C. Liver cells. D. Erythrocytes. What Are Gap Junctions? Gap junctions are specialized intercellular connections that allow […]

DBT BET JRF 2022 Previous Year Questions and Video solution

Methylation Motifs in Plant Protein-Coding Genes:

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April 5, 2025
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The cytosine residues in the DNA are methylated at specific di- or trinucleotide sequences. Which among these methylation motifs are found predominantly in case of protein-coding genes in plants? H […]

DBT BET JRF 2022 Previous Year Questions and Video solution

RNA polymerase preinitiation complex transcription factors

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April 5, 2025
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For transcribing protein coding genes, the RNA Polymerase forms the preinitiation complex (PIC) in association with: A.TFIIA, TFIID, TFIIG B. TFIIA, TFIIG, TFIIH C.TFIIH, TFIIF, TFIID D.TFIIC, TFIID, TFIIF […]