Recent questions without answers

Phylum proteobacteria is subdivided into $\alpha-, \beta-, \gamma-, \delta-$ and $\epsilon-$ proteobacteria based on$G+C$ content$23S\; rRNA$ sequences$tRNA$ sequences$16...

Which one of the following is an $ABC$ transporter?multidrug resistance proteinacetylcholine receptorbacteriorhodopsin$ATP$ synthase

Which one of the following modifications is common toboth protein and DNA?SUMOylationNitrosylationMethylationUbiquitination

Protein A, which has strong affinity to $F_C$ region of immunoglobulin, is extracted from$\text{Saccharomyces cerevisiae}$$\text{Staphylococcus aureus}$$\text{Streptococc...

The first humanized monoclonal antibody approved for the treatment of breast cancerisRituximabCetuximabBevacizumabHerceptin

Which one of the following aminoacids in proteins does $NOT$ undergo phosphorylation?SerThrProTyr

Under alkaline conditions, DNA is more stable than RNA becauseRNA forms secondary structuresRNA is a single stranded moleculeRNA has uracil in place of thymidineRNA is su...

A political party orders an arch for the entrance to the ground in which the annual convention is being held. The profile of the arch follows the equation $y = 2x -0.1x^2...

Choose the grammatically INCORRECT sentence:They gave us the money back less the service charges of Three Hundred rupeesThis country’s expenditure is not less than that o...

Which one of the following options is the closest in meaning to the word given below?MitigateDiminishDivulgeDedicateDenote

Choose the most appropriate alternative from the options given below to complete the following sentence:$\text{Despite several ________ the mission succeeded in its attem...

Wanted Temporary, Part-time persons for the post of Field Interviewer to conduct personal interviews to collect and collate economic data. Requirements: High School-pass,...

Which of the following assertions are CORRECT?P: Adding 7 to each entry in a list adds 7 to the mean of the listQ: Adding 7 to each entry in a list adds 7 to the standard...

An automobile plant contracted to buy shock absorbers from two suppliers $X$ and $Y$. $X$ supplies $60\%$ and $Y$ supplies $40 \%$ of the shock absorbers. All shock absor...

Answer the question based on the information given below:The purification data for an enzyme is given below:$\begin{array}{|l|l|l|l|l|l|} \hline & \text{Step} & \text{Vol...

Answer the question based on the information given below:The purification data for an enzyme is given below:$\begin{array}{|l|l|l|l|l|l|} \hline & \text{Step} & \text{Vol...

$\text{Statement for Linked Answer Questions 52 and 53:}$An E $coli$ cell of volume $10^{-12}$ $cm^3$ contains 60 molecules of lac-repressor. The repressor has a binding ...

$\text{Statement for Linked Answer Questions 52 and 53:}$An E $coli$ cell of volume $10^{-12}$ $cm^3$ contains 60 molecules of lac-repressor. The repressor has a binding ...

$\beta$-Galactosidase bound to DEAE-cellulose is used to hydrolyze lactose to glucose and galactose in a plug flow bioreactor with a packed bed of volume $100$ liters and...

$\beta$-Galactosidase bound to DEAE-cellulose is used to hydrolyze lactose to glucose and galactose in a plug flow bioreactor with a packed bed of volume $100$ liters and...

The cost function for a product in a firm is given by $5q^2$, where q is the amount of production. The firm can sell the product at a market price of ₹ 50 per unit. The ...

Choose the most appropriate alternative from the options given below to complete the following sentence:$\text{Suresh’s dog is the one $\_\_\_\_\_\_\_$ was hurt in the st...

Match the high energy compounds in $\text{Group I}$ with the biosynhetic pathways for the molecules in $\text{Group II}$.$\begin{array}{|l|l|l|l|} \hline & \text{Group I...

Match the vitamins in $\text{Group I}$ with the processes/reactions in $\text{Group II}$$\begin{array}{|l|l|l|l|} \hline & \text{Group I} && \text{Group II} \\ \hline P. ...

Consider the data set $14, 18, 14, 14, 10, 29, 33, 31, 25$. If you add $20$ to each of the values, thenboth mean and variance changeboth mean and variance are unchangedth...

An enzymatic reaction is described by the following rate expression.$$v = \frac{v_mS}{K_m+S+S^2/K_s},$$Which one of the following curves represents this expression?

A bacterial culture ($200 \: \mu l$ containing $1.8 \times 10^9$ cells) was treated with an antibiotic $Z$ ($50 \: \mu g$ per $ml$) for $4$ h at $37^\circ C$. After this ...

In a muscle, the extracellular and intracellular concentrations of ${Na^+}$ are $150 \text{ mM}$ and $12 \text{ mM}$, and those of ${K^+}$ are $2.7 \text{ mM}$ and $140 \...

$\text{Common Data Questions}$$\text{Common Data for Questions 48 and 49}$:In a muscle, the extracellular and intracellular concentrations of ${Na^+}$ are $\text{150 mM}$...

Determine the correctness or otherwise of the following $Assertion$ (a) and $Reason$ (r).$Assertion:$ Plants convert fatty' acids into glucose. $Reason:$ Plants have ...

Determine the correctness or otherwise of the following $Assertion$ (a) and $Reason$ (r).$Assertion:$ In direct somatic embryogenesis, embryos are developed without going...

Match the entries in $\text{Group I}$ with the process parameters in $\text{Group II}$.$\begin{array}{|C|l|C|l|} \hline &\textbf{Group I} & {} & \text{Group II} \\\hline ...

Match the downstream processes in $\text{Group I}$ with the products in $\text{Group II}$.$\begin{array}{|C|l|C|l|} \hline& \textbf{Group I} & {} & \textbf{Group II} \\\h...

Determine the correctness or otherwise of the following $Assertion$ (a) and $Reason$ (r).$Assertion:$ Cell mass yield of a methylotrophic yeast is more on methanol compar...

A disease is inherited by a child with a probability of $1/4$. In a family with two children, the probability that exactly one sibling is affected by this disease is$1/4$...

Match the organisms in Group I with the entries in Group II.$\begin{array}{|l|l|l|l|} \hline & \textbf{Group I}. && \textbf{Group II} \\ \hline P. & \textit{Clostridium...

Match the entries in $\text{Group I}$ with the methods of sterilization in $\text{Group II}$$\begin{array}{|l|l|l|l|} \hline & \textbf{Group I} && \text{Group II} \\ \h...

Match the entries in $\textbf{Group I}$ with those in $\textbf{Group II}$.$\begin{array}{|c|l|c|l|}\hline &\textbf{Group I} & {} & \textbf{Group II} \\\hline P. & \text{M...

In an exponentially growing batch culture of $\text{Saccharormyces cerevisiae}$, the cell density is 20 ${gl^{-1}}$ (DCW), the specific growth rate ($\mu$) is 0.4 ${h^{-1...

A single base pair of DNA weighs $1.1 \times 10^{-21}$ grams. How many picomoles of a plasmid vector of length $2750$ bp are contained in 1 $\mu$g of purified DNA?$0.30$$...