MCQ_SINGLE

Given below are two statements: Statement I: Modern Homo sapiens arose in Australia and moved across continents. Statement II: Homo sapiens arose around 75000 to 10000 years ago. In the light of the above statements, choose the most appropriate answer from the options given below:

MCQ_SINGLE

Match List-I with List-II. List-I: A. Family B. Genus C. Class D. Phylum E. Order List-II: I. Sapindales II. Dicotyledonae III. Anacardiaceae IV. Angiospermae V. Mangifera Choose the correct answer from the options given below :

MCQ_SINGLE

For a salt XY, which is a strong electrolyte, the plot of $\Lambda_{m}$ versus $\sqrt{c}$ has a slope of $-90.0~S~cm^{2}mol^{-3/2}L^{1/2}$ at 298 K. At 0.01 M concentration of XY, the value of $\Lambda_{m}$ is $145.0~S~cm^{2}mol^{-1}$. The limiting molar conductivity of $Y^{-}$ ion $(\lambda_{Y^{-}}^{0}$, in $S~cm^{2}~mol^{-1}$) at 298 K will be (Given : $\lambda_{X^{+}}^{0}=74.0~S~cm^{2}mol^{-1})$

MCQ_SINGLE

Match List-I with List-II. List-I: A. Transformation B. Cloning site C. Selection D. Ori List-II: I. Restriction enzyme II. Transfer DNA to host bacteria III. Replication IV. Antibiotic Choose the correct answer from the options given below:

MCQ_SINGLE

Three identical p-n junction diodes $D_{1}$, $D_{2}$ and $D_{3}$ are connected across a battery as shown in the figure. If the width of the depletion regions of $D_{1},$ $D_{2}$ and $D_{3}$ are $W_{1},$ $W_{2}$ and $W_{3}$, respectively, then the correct option is: [Image Placeholder]

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