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mnlp_stem_mcqa_eval_700 | Which of the following is classified as a conjugate acid-base pair? | [
"HCl / NaOH",
"H3O+ / H2O",
"O2 / H2O",
"H+ / Cl−"
] | B |
mnlp_stem_mcqa_eval_701 | A "strictly binary tree" is a binary tree in which every node that is not a leaf has two children. Suppose that for a class of strictly binary trees there exists c > 0 such that, for any tree in the class, the ratio of the lengths of any two root-to-leaf paths is bounded above by c. Which of the following best characterizes the height h of any tree in this class, where N is the number of nodes in the tree and N > 1 ? | [
"h <= log2(N)",
"h = 1/c * log2(N)",
"h < c log2(N)",
"h > c log2(N)"
] | C |
mnlp_stem_mcqa_eval_702 | Determine whether the polynomial in Z[x] satisfies an Eisenstein criterion for irreducibility over Q. 8x^3 + 6x^2 - 9x + 24 | [
"Yes, with p=2.",
"Yes, with p=3.",
"Yes, with p=5.",
"No."
] | B |
mnlp_stem_mcqa_eval_703 | A retail company has 50 large stores located in different areas throughout a state. A researcher for the company believes that employee job satisfaction varies greatly from store to store. Which of the following sampling methods is most appropriate to estimate the proportion of all employees of the company who are satisfied with their job? | [
"Selecting one of the 50 stores at random and then surveying each employee at that store",
"Selecting 10 employees from each store at random and then surveying each employee selected",
"Surveying the 25 highest-paid employees and the 25 lowest-paid employees",
"Creating a website on which employees can express their opinions and then using the first 50 responses"
] | B |
mnlp_stem_mcqa_eval_704 | The line $y=k x+4$, where $k$ is a constant, is graphed in the $x y$-plane. If the line contains the point $(c, d)$, where $c \neq 0$ and $d \neq 0$, what is the slope of the line in terms of $c$ and $d$ ? | [
"$\\frac{d-4}{c}$",
"$\\frac{c-4}{d}$",
"$\\frac{4-d}{c}$",
"$\\frac{4-c}{d}$"
] | A |
mnlp_stem_mcqa_eval_705 | $$\frac{x}{x-3}=\frac{2 x}{2}$$Which of the following represents all the possible values of $x$ that satisfy the equation above? | [
"0 and 2",
"0 and 4",
"-4 and 4",
"4"
] | B |
mnlp_stem_mcqa_eval_706 | A homeotic mutation is one which | [
"is present in only one form in an individual",
"substitutes one body part for another in development",
"results in development of a tumor",
"is wild type at one temperature and abnormal at another"
] | B |
mnlp_stem_mcqa_eval_707 | Which of the following best explains why enzymes are effective in facilitating chemical reactions? | [
"They raise the temperature of the reaction mixture, thereby speeding up the conversion of reactants to products.",
"They alter the equilibrium constant of a reaction (K_eq) so that more reactant can be converted to product.",
"They increase the maximal rate of the chemical reaction (V_max).",
"They lower the activation energy, thereby speeding up the conversion of reactants to products."
] | D |
mnlp_stem_mcqa_eval_708 | The biggest single determinant of HIV transmission to the infant is: | [
"Mother’age",
"Mother’s viral load",
"Mother’s immune status",
"Father’s viral load"
] | B |
mnlp_stem_mcqa_eval_709 | What happens during the 'incubation period'? | [
"The virus is cleared from the body by the immune system",
"Virus replication happens at an intracellular level",
"This period commonly lasts for a few days",
"This period commonly lasts for a few hours"
] | B |
mnlp_stem_mcqa_eval_710 | What is the maximum value of the z-component of the spin angular momentum of 43Ca? [I = 7⁄2] | [
"3.691 x 10^-34 J s",
"4.185 x 10^-34 J s",
"5.493 x 10^-34 J s",
"8.370 x 10^-34 J s"
] | A |
mnlp_stem_mcqa_eval_711 | Statement 1| The original ResNets and Transformers are feedforward neural networks. Statement 2| The original Transformers use self-attention, but the original ResNet does not. | [
"True, True",
"False, False",
"True, False",
"False, True"
] | A |
mnlp_stem_mcqa_eval_712 | At Lincoln High School, approximately 7 percent of enrolled juniors and 5 percent of enrolled seniors were inducted into the National Honor Society last year. If there were 562 juniors and 602 seniors enrolled at Lincoln High School last year, which of the following is closest to the total number of juniors and seniors at Lincoln High School last year who were inducted into the National Honor Society? | [
"140",
"69",
"39",
"30"
] | B |
mnlp_stem_mcqa_eval_713 | Which of the following techniques could be used to demonstrate protein binding to specific DNA sequences? | [
"Western blot hybridization",
"Northern blot hybridization",
"Southern blot hybridization",
"Electrophoretic mobility shift assay"
] | D |
mnlp_stem_mcqa_eval_714 | \begin{center}\begin{tabular}{|l|c|c|}\hline\multicolumn{3}{|c|}{Townsend Realty Group Investments} \\\hlineProperty address & $\begin{array}{c}\text { Purchase price } \\ \text { (dollars) }\end{array}$ & $\begin{array}{c}\text { Monthly rental } \\ \text { price } \\ \text { (dollars) }\end{array}$ \\\hlineClearwater Lane & 128,000 & 950 \\\hlineDriftwood Drive & 176,000 & 1,310 \\\hlineEdgemont Street & 70,000 & 515 \\\hlineGlenview Street & 140,000 & 1,040 \\\hlineHamilton Circle & 450,000 & 3,365 \\\hline\end{tabular}\end{center}The Townsend Realty Group invested in the five different properties listed in the table above. The table shows the amount, in dollars, the company paid for each property and the corresponding monthly rental price, in dollars, the company charges for the property at each of the five locations. 23The relationship between the monthly rental price $r$, in dollars, and the property's purchase price $p$, in thousands of dollars, can be represented by a linear function. Which of the following functions represents the relationship? | [
"$r(p)=2.5 p-870$",
"$r(p)=5 p+165$",
"$r(p)=6.5 p+440$",
"$r(p)=7.5 p-10$"
] | D |
mnlp_stem_mcqa_eval_715 | Suppose your model is overfitting. Which of the following is NOT a valid way to try and reduce the overfitting? | [
"Increase the amount of training data.",
"Improve the optimisation algorithm being used for error minimisation.",
"Decrease the model complexity.",
"Reduce the noise in the training data."
] | B |
mnlp_stem_mcqa_eval_716 | A scientist using mouse models to determine the response of blood hormones to large levels of glucose in the body discovers a new hormone not previously described. According to his data, this hormone is found both inside and out of cells when carrying out its function, increase the amount of nucleic acid in the cell while functioning, and are derived from a structure containing four hydroxycarbon rings. This will likely be categorized as which type of hormone? | [
"Enzymatic",
"Steroid",
"Peptide",
"Amino acid"
] | B |
mnlp_stem_mcqa_eval_717 | $$f(x)=\frac{x+3}{2}$$For the function $f$ defined above, what is the value of $f(-1)$ ? | [
"-2",
"-1",
"1",
"2"
] | C |
mnlp_stem_mcqa_eval_718 | Of the following ionic substances, which has the greatest lattice enthalpy? | [
"MgO",
"MgS",
"NaF",
"NaCl"
] | A |
mnlp_stem_mcqa_eval_719 | An Hfr strain of E. coli contains: | [
"a vector of yeast or bacterial origin which is used to make many copies of a particular DNA sequence",
"a bacterial chromosome with a human gene inserted",
"a bacterial chromosome with the F factor inserted",
"a human chromosome with a transposable element inserted"
] | C |
mnlp_stem_mcqa_eval_720 | Unpolarized light is incident on a pair of ideal linear polarizers whose transmission axes make an angle of 45q with each other. The transmitted light intensity through both polarizers is what percentage of the incident intensity? | [
"100%",
"75%",
"50%",
"25%"
] | D |
mnlp_stem_mcqa_eval_721 | Consider an electron in the n = 4, l = 1 state in hydrogen. Which of the following final states can NOT be reached by an allowed transition? | [
"n = 3, l = 2",
"n = 3, l = 1",
"n = 3, l = 0",
"n = 2, l = 0"
] | B |
mnlp_stem_mcqa_eval_722 | $$\begin{aligned}& 3 x+b=5 x-7 \\& 3 y+c=5 y-7\end{aligned}$$In the equations above, $b$ and $c$ are constants.If $b$ is $c$ minus $\frac{1}{2}$, which of the following is true? | [
"$x$ is $y$ minus $\\frac{1}{4}$.",
"$x$ is $y$ minus $\\frac{1}{2}$.",
"$x$ is $y$ minus 1 .",
"$x$ is $y$ plus $\\frac{1}{2}$."
] | A |
mnlp_stem_mcqa_eval_723 | Among primates, a high degree of sexual dimorphism in a species usually indicates intense competition between | [
"males in order to obtain individual food resources",
"males in order to obtain mates",
"females in order to obtain individual food resources",
"females in order to obtain mates"
] | B |
mnlp_stem_mcqa_eval_724 | Mr. Kohl has a beaker containing $n$ milliliters of solution to distribute to the students in his chemistry class. If he gives each student 3 milliliters of solution, he will have 5 milliliters left over. In order to give each student 4 milliliters of solution, he will need an additional 21 milliliters. How many students are in the class? | [
"16",
"21",
"23",
"26"
] | D |
mnlp_stem_mcqa_eval_725 | How many bits are required to store one BCD digit ? | [
"1",
"2",
"3",
"4"
] | D |
mnlp_stem_mcqa_eval_726 | Protons used in cancer therapy are typically accelerated to about 0.6c. How much work must be done on a particle of mass m in order for it to reach this speed, assuming it starts at rest? | [
"0.25mc^2",
"0.60mc^2",
"0.67mc^2",
"1.25mc^2"
] | A |
mnlp_stem_mcqa_eval_727 | Let G = (V, E) be a finite directed acyclic graph with |E| > 0. Which of the following must be true?
I. G has a vertex with no incoming edge.
II. G has a vertex with no outgoing edge.
III. G has an isolated vertex, that is, one with neither an incoming edge nor an outgoing edge. | [
"I only",
"II only",
"III only",
"I and II only"
] | D |
mnlp_stem_mcqa_eval_728 | If $a-b=12$ and $\frac{b}{2}=10$, what is the value of $a+b ?$ | [
"2",
"12",
"32",
"52"
] | D |
mnlp_stem_mcqa_eval_729 | The magnetisation and applied field in ferromagnetic materials are related | [
"sinusoidally.",
"non linearly.",
"linearly.",
"parabolically."
] | B |
mnlp_stem_mcqa_eval_730 | The mean kinetic energy of the conduction electrons in metals is ordinarily much higher than kT because | [
"electrons have many more degrees of freedom than atoms do",
"the electrons and the lattice are not in thermal equilibrium",
"the electrons form a degenerate Fermi gas",
"electrons in metals are highly relativistic"
] | C |
mnlp_stem_mcqa_eval_731 | Power dissipation in ideal inductor is | [
"Maximum",
"Minimum",
"Zero",
"A finite value"
] | C |
mnlp_stem_mcqa_eval_732 | The polynomial x^4 + 4 can be factored into linear factors in Z_5[x]. Find this factorization. | [
"(x − 2)(x + 2)(x − 1)(x + 1)",
"(x+1)^4",
"(x-1)(x+1)^3",
"(x-1)^3(x+1)"
] | A |
mnlp_stem_mcqa_eval_733 | Percent of Residents Who Earned a Bachelor's Degree or Higher\begin{center}\begin{tabular}{|c|c|}\hlineState & Percent of residents \\\hlineState A & $21.9 \%$ \\\hlineState B & $27.9 \%$ \\\hlineState C & $25.9 \%$ \\\hlineState D & $19.5 \%$ \\\hlineState E & $30.1 \%$ \\\hlineState F & $36.4 \%$ \\\hlineState G & $35.5 \%$ \\\hline\end{tabular}\end{center}A survey was given to residents of all 50 states asking if they had earned a bachelor's degree or higher.The results from 7 of the states are given in the table above. The median percent of residents who earned a bachelor's degree or higher for all 50 states was $26.95 \%$. What is the difference between the median percent of residents who earned a bachelor's degree or higher for these 7 states and the median for all 50 states? | [
"$0.05 \\%$",
"$0.95 \\%$",
"$1.22 \\%$",
"$7.45 \\%$"
] | B |
mnlp_stem_mcqa_eval_734 | $$m=\frac{\left(\frac{r}{1,200}\right)\left(1+\frac{r}{1,200}\right)^{N}}{\left(1+\frac{r}{1,200}\right)^{N}-1} P$$The formula above gives the monthly payment $m$ needed to pay off a loan of $P$ dollars at $r$ percent annual interest over $N$ months. Which of the following gives $P$ in terms of $m, r$, and $N$ ? | [
"$P=\\frac{\\left(\\frac{r}{1,200}\\right)\\left(1+\\frac{r}{1,200}\\right)^{N}}{\\left(1+\\frac{r}{1,200}\\right)^{N}-1} m$",
"$P=\\frac{\\left(1+\\frac{r}{1,200}\\right)^{N}-1}{\\left(\\frac{r}{1,200}\\right)\\left(1+\\frac{r}{1,200}\\right)^{N}} m$",
"$P=\\left(\\frac{r}{1,200}\\right) m$",
"$P=\\left(\\frac{1,200}{r}\\right) m$"
] | B |
mnlp_stem_mcqa_eval_735 | An electron and a proton are placed in a 1.0 T magnetic field at 300 K. What is the ratio of the equilibrium polarizations: |pe / pH| ? | [
"[|ɣe| = 1.761 x 10^11 T^-1 s^-1]",
"820",
"658",
"329"
] | B |
mnlp_stem_mcqa_eval_736 | ______ has been described as the phenomenon by which one genotype can give rise to a range of different physiological or morphological states in response to different environmental conditions during development (West-Eberhard, 1989). | [
"Fetal plasticity",
"The fetal origins hypothesis",
"Developmental plasticity",
"Environmental plasticity"
] | C |
mnlp_stem_mcqa_eval_737 | The maximum number of acute angles in a convex 10-gon in the Euclidean plane is | [
"1",
"2",
"3",
"4"
] | C |
mnlp_stem_mcqa_eval_738 | Which of the following conditions can be expressed by a Boolean formula in the Boolean variables p_1, p_2, p_3, p_4 and the connectives ∧,∨ (without ¬)?
I. At least three of p_1, p_2, p_3, p_4 are true.
II. Exactly three of p_1, p_2, p_3, p_4 are true.
III. An even number of p_1, p_2, p_3, p_4 are true. | [
"I only",
"II only",
"III only",
"I and III"
] | A |
mnlp_stem_mcqa_eval_739 | Consider the system of linear equations
w + 3x + 2y + 2z = 0
w + 4x + y = 0
3w + 5x + 10 y + 14z = 0
2w + 5x + 5y + 6z = 0
with solutions of the form (w, x, y, z), where w x, y, and z are real. Which of the following statements is FALSE? | [
"The system is consistent.",
"The system has infinitely many solutions.",
"The sum of any two solutions is a solution.",
"Every solution is a scalar multiple of (-5, 1, 1, 0)."
] | D |
mnlp_stem_mcqa_eval_740 | The ROM programmed during manufacturing process itself is called | [
"MROM",
"PROM",
"EPROM",
"EEPROM"
] | A |
mnlp_stem_mcqa_eval_741 | If A = (1, 2, 3, 4). Let ~= {(1, 2), (1, 3), (4, 2)}. Then ~ is | [
"not anti-symmetric",
"transitive",
"reflexive",
"symmetric"
] | B |
mnlp_stem_mcqa_eval_742 | PreP is an effective strategy for reducing the incidence of HIV in: | [
"Women",
"Drug users",
"Pregnant women",
"a. and b. above"
] | B |
mnlp_stem_mcqa_eval_743 | The supply frequency usually employed for high frequency eddy current heating is | [
"1 KHz.",
"5 KHz.",
"10 MHz.",
"10 KHz to 400 KHz."
] | D |
mnlp_stem_mcqa_eval_744 | Plant A is currently 20 centimeters tall, and Plant B is currently 12 centimeters tall. The ratio of the heights of Plant A to Plant B is equal to the ratio of the heights of Plant $\mathrm{C}$ to Plant D. If Plant $\mathrm{C}$ is 54 centimeters tall, what is the height of Plant $\mathrm{D}$, in centimeters? | [
"32.4",
"44.0",
"62.0",
"90.0"
] | A |
mnlp_stem_mcqa_eval_745 | A cross between two true breeding lines one with dark blue flowers and one with bright white flowers produces F1 offspring that are light blue. When the F1 progeny are selfed a 1:2:1 ratio of dark blue to light blue to white flowers is observed. What genetic phenomenon is consistent with these results? | [
"epistasis",
"incomplete dominance",
"codominance",
"inbreeding depression"
] | B |
mnlp_stem_mcqa_eval_746 | Dreams Recalled during One Week\begin{center}\begin{tabular}{|l|c|c|c|c|}\hline& None & 1 to 4 & 5 or more & Total \\\hline\hlineGroup X & 15 & 28 & 57 & 100 \\\hlineGroup Y & 21 & 11 & 68 & 100 \\\hlineTotal & 36 & 39 & 125 & 200 \\\hline\end{tabular}\end{center}The data in the table above were produced by a sleep researcher studying the number of dreams people recall when asked to record their dreams for one week. Group X consisted of 100 people who observed early bedtimes, and Group Y consisted of 100 people who observed later bedtimes. If a person is chosen at random from those who recalled at least 1 dream, what is the probability that the person belonged to Group Y ? | [
"$\\frac{68}{100}$",
"$\\frac{79}{100}$",
"$\\frac{79}{164}$",
"$\\frac{164}{200}$"
] | C |
mnlp_stem_mcqa_eval_747 | Enzyme assay can be used to identify carriers of: | [
"Cystic fibrosis.",
"Fragile X syndrome.",
"Oculocutaneous albinism.",
"Tay-Sachs disease."
] | D |
mnlp_stem_mcqa_eval_748 | Which of the following is thought to be implicated in the development of peripheral muscle fatigue during multiple sprint activities? | [
"An accumulation of inorganic phosphate.",
"Development of hyperosmolality in the muscles.",
"An excess of antioxidants.",
"A lack of potassium."
] | A |
mnlp_stem_mcqa_eval_749 | Any set of Boolean operators that is sufficient to represent all Boolean expressions is said to be complete. Which of the following is NOT complete? | [
"{AND, NOT}",
"{NOT, OR}",
"{AND, OR}",
"{NAND}"
] | C |
mnlp_stem_mcqa_eval_750 | Which of the following statements about Ethernets is typically FALSE? | [
"Ethernets use circuit switching to send messages.",
"Ethernets use buses with multiple masters.",
"Ethernet protocols use a collision-detection method to ensure that messages are transmitted properly.",
"Networks connected by Ethernets are limited in length to a few hundred meters."
] | A |
mnlp_stem_mcqa_eval_751 | In the $x y$-plane, the line determined by the points $(2, k)$ and $(k, 32)$ passes through the origin. Which of the following could be the value of $k$ ? | [
"0",
"4",
"8",
"16"
] | C |
mnlp_stem_mcqa_eval_752 | Katarina is a botanist studying the production of pears by two types of pear trees. She noticed that Type A trees produced 20 percent more pears than Type B trees did. Based on Katarina's observation, if the Type A trees produced 144 pears, how many pears did the Type B trees produce? | [
"115",
"120",
"124",
"173"
] | B |
mnlp_stem_mcqa_eval_753 | For a polynomial $p(x)$, the value of $p(3)$ is -2 .Which of the following must be true about $p(x)$ ? | [
"$x-5$ is a factor of $p(x)$.",
"$x-2$ is a factor of $p(x)$.",
"$x+2$ is a factor of $p(x)$.",
"The remainder when $p(x)$ is divided by $x-3$ is -2 ."
] | D |
mnlp_stem_mcqa_eval_754 | Statement 1 | Suppose {s_n} and {t_n} are sequences of complex numbers such that lim_n→∞ s_n = s and lim_n→∞ tn = t. lim_n→∞ s_nt_n = st. Statement 2 | There exists a bounded sequence of real numbers with no convergent subsequence. | [
"True, True",
"True, False",
"False, True",
"False, False"
] | B |
mnlp_stem_mcqa_eval_755 | Which of the following is not a chromosome instability syndrome? | [
"Klinefelter syndrome",
"Ataxia telangiectasia",
"Fanconi anaemia",
"Bloom syndrome"
] | A |
mnlp_stem_mcqa_eval_756 | How will the quantity of the product supplied to the market change if the price of the product is increased by $\$ 10$ ? | [
"The quantity supplied will decrease by 5 units.",
"The quantity supplied will increase by 5 units.",
"The quantity supplied will increase by 10 units.",
"The quantity supplied will increase by 50 units."
] | B |
mnlp_stem_mcqa_eval_757 | Suppose we have the following objective function: $\argmin_{w} \frac{1}{2} \norm{Xw-y}^2_2 + \frac{1}{2}\gamma \norm{w}^2_2$ What is the gradient of $\frac{1}{2} \norm{Xw-y}^2_2 + \frac{1}{2}\lambda \norm{w}^2_2$ with respect to $w$? | [
"$\\nabla_w f(w) = (X^\\top X + \\lambda I)w - X^\\top y + \\lambda w$",
"$\\nabla_w f(w) = X^\\top X w - X^\\top y + \\lambda$",
"$\\nabla_w f(w) = X^\\top X w - X^\\top y + \\lambda w$",
"$\\nabla_w f(w) = X^\\top X w - X^\\top y + (\\lambda+1) w$"
] | C |
mnlp_stem_mcqa_eval_758 | Piezoelectric effect is carried out in | [
"composite filter.",
"crystal filter.",
"m derived.",
"constant k prototype."
] | B |
mnlp_stem_mcqa_eval_759 | Statement 1 | The image of a group of 6 elements under a homomorphism may have 12 elements. Statement 2 | There is a homomorphism of some group of 6 elements into some group of 12 elements. | [
"True, True",
"False, False",
"True, False",
"False, True"
] | D |
mnlp_stem_mcqa_eval_760 | $$\begin{aligned}y & =x^{2} \\2 y+6 & =2(x+3)\end{aligned}$$If $(x, y)$ is a solution of the system of equations above and $x>0$, what is the value of $x y$ ? | [
"1",
"2",
"3",
"9"
] | A |
mnlp_stem_mcqa_eval_761 | A step up chopper has input voltage 110 V and output voltage 150 V. The value of duty cycle is | [
"0.32.",
"0.67.",
"0.45.",
"0.27."
] | B |
mnlp_stem_mcqa_eval_762 | Marisa needs to hire at least 10 staff members for an upcoming project. The staff members will be made up of junior directors, who will be paid $\$ 640$ per week, and senior directors, who will be paid $\$ 880$ per week. Her budget for paying the staff members is no more than $\$ 9,700$ per week. She must hire at least 3 junior directors and at least 1 senior director. Which of the following systems of inequalities represents the conditions described if $x$ is the number of junior directors and $y$ is the number of senior directors? | [
"$640 x+880 y \\geq 9,700$ $x+y \\leq 10$ $x \\geq 3$ $y \\geq 1$",
"$640 x+880 y \\leq 9,700$ $x+y \\geq 10$ $x \\geq 3$ $y \\geq 1$",
"$640 x+880 y \\geq 9,700$ $x+y \\geq 10$ $x \\leq 3$ $y \\leq 1$",
"$640 x+880 y \\leq 9,700$ $x+y \\leq 10$ $x \\leq 3$ $y \\leq 1$"
] | B |
mnlp_stem_mcqa_eval_763 | Let G = (V, E) be a connected, undirected graph, and let a and b be two distinct vertices in V. Let P_1 be the problem of finding a shortest simple path between a and b, and let P_2 be the problem of finding a longest simple path between a and b. Which of the following statements about P_1 and P_2 is true? | [
"Both P_1 and P_2 can be solved in polynomial time.",
"P_1 can be solved in polynomial time but P_2 is not known to be solvable in polynomial time.",
"P_1 is not known to be solvable in polynomial time but P_2 can be solved in polynomial time.",
"It is not known whether either P_1 or P_2 can be solved in polynomial time."
] | B |
mnlp_stem_mcqa_eval_764 | Consider the representation of six-bit numbers by two's complement, one's complement, or by sign and magnitude. In which representation is there overflow from the addition of the integers 011000 and 011000? | [
"Two's complement only",
"Sign and magnitude and one's complement only",
"Two's complement and one's complement only",
"All three representations"
] | D |
mnlp_stem_mcqa_eval_765 | Which nuclide has an NMR frequency of 115.5 MHz in a 20.0 T magnetic field? | [
"17O",
"19F",
"29Si",
"31P"
] | A |
mnlp_stem_mcqa_eval_766 | Conductor is static and the field is varying then emf will be induced. This principle is called | [
"virtually induced emf.",
"dynamically induced emf.",
"static induced emf.",
"none of these"
] | C |
mnlp_stem_mcqa_eval_767 | A food truck sells salads for $\$ 6.50$ each and drinks for $\$ 2.00$ each. The food truck's revenue from selling a total of 209 salads and drinks in one day was $\$ 836.50$. How many salads were sold that day? | [
"77",
"93",
"99",
"105"
] | B |
mnlp_stem_mcqa_eval_768 | An online bookstore sells novels and magazines. Each novel sells for $\$ 4$, and each magazine sells for $\$ 1$. If Sadie purchased a total of 11 novels and magazines that have a combined selling price of $\$ 20$, how many novels did she purchase? | [
"2",
"3",
"4",
"5"
] | B |
mnlp_stem_mcqa_eval_769 | Why do vigorous CD8 cell responses in chronically infected HIV-positive individuals fail to eliminate the virus? | [
"CTL exhaustion",
"Epitope escape",
"Suboptimal CTL",
"Absence of dendritic cells"
] | B |
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