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The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What carries something that covers organisms to make fossils?
A. squids
B. Streams
C. streams.
D. coral reef
E. coral
F. amoebae
G. bamboo
H. Nematoda
Answer: | B | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Living organisms release carbon dioxide into the atmosphere by what method?
A. widespread respiration
B. genomic respiration
C. cellular respiration
D. major respiration
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Carbonic acid decomposes easily at room temperature into carbon dioxide and what else?
A. gas
B. water
C. helium
D. oxygen
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What do young female meerkats act as in colonies?
A. midwives
B. defenders
C. babysitters
D. predators
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What substances, which serve as catalysts, are involved in most of the chemical reactions that take place in organisms?
A. carbohydrates
B. vitamins
C. proteins
D. enzymes
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In eukaryotic cells, what divides before the cell itself divides?
A. protons
B. electrons
C. cell wall
D. nucleus
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Ringworm and athlete’s foot are common human diseases caused by types of what?
A. viruses
B. fungi
C. multicellular bacteria
D. acids
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What heats frog eggs so that they may hatch into tadpoles?
A. sun's heat
B. heat
C. the sun
D. geothermal vents
E. Cooking
F. the mother frog
G. the father frog
H. sunlight
Answer: | C | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Given an odd prime $p$, for any $a \in \mathbb{Z}_p$ the equation
A. $x^2 - a = 0$ always has a solution.
B. $x^2 - a = 0$ has exactly two solutions.
C. $x^2 - a = 0$ has at most two solutions.
D. $x^2 - a = 0$ may have four solutions.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
he flow of heat into the system causes what?
A. thermal shields
B. thermal detonation
C. thermal expansion
D. Plant growth is reduced
E. chemical reaction
F. Evaporation
G. kinetic energy
H. thermal heat
Answer: | C | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Changes in what can cause extreme shortages of food?
A. pH of soil
B. Dehydration
C. climate
D. colder weather
E. global warming
F. salinity
G. Time and energy
H. Winter
Answer: | A | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Harriet wants to know the area of a rectangular sheet of paper. Its size is unknown to her. Which one of these will be the only tool that she needs?
A. a ruler
B. a compass
C. a calculator
D. a protractor
Answer: | A | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In deep learning, which of these are hyper-parameters?
A. The learning rate
B. The weights $\mathbf{W}^{[l]}$ and biases $\mathbf{b}^{[l]}$
C. The type of weight initialization
D. The number of layers
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider a message $T$ and a key $K$ chosen independently from $T$. True or false: If there exists a perfectly secret encryption scheme using $K$, then $H(T) \leq H(K)$.
A. True
B. False
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
a light bulb is used for seeing
A. in the morning
B. power
C. heat
D. at noon
E. electricity
F. heat energy
G. at night
H. in the daytime
Answer: | G | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What do mollusks hearts circulate through the body?
A. liquid
B. Energy
C. complex
D. food
E. water
F. blood
G. grass
H. oxygen
Answer: | F | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What has led to the increase in global warming?
A. Greenhouse gases
B. movements in the earth's crust
C. Increase in carbon dioxide
D. Greenhouse gasses
E. forest is destroyed
F. Burning fuel and air
G. movement of tectonic plates
H. tectonic plates being pushed together
Answer: | C | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Using a 4-gram character model, comparing "banana" and "ananas"...
A. is the same as comparing "aaabnn" to "aaanns"
B. is the same as comparing P(bana) to P(anas)
C. is the same as comparing P(bana) to P(anan)
D. is the same as comparing P(ban)/P(an) to P(nas)/P(na)
E. None of the others
Answer: | B | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Soil is an example of what type of resource for growing plants?
A. Recycled Resource
B. Natural Resource
C. Renewable Resource
D. Abundant Resource
Answer: | C | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can mutations cause?
A. death and devastation
B. blood
C. massive damage
D. Leptospirosis
E. biological diversity
F. horses
G. ice
H. out of control growth
Answer: | H | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
When snow falls to the ground and soaks into the ground, what can it become?
A. steam
B. ice
C. Sediment
D. thermal heat
E. dangerous
F. flooding
G. groundwater
H. rainfall
Answer: | G | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Select the \emph{incorrect} statement. The UMTS improves the security of GSM using
A. authentication of the challenge.
B. integrity protection.
C. A6/1 for encryption.
D. protection against replay attacks.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In which state of matter do particles take the shape of their container, but cannot expand to fill it?
A. gas
B. chemical
C. mixture
D. liquid
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is an example of reproduction being a stage in the life cycle process?
A. births can occur only after reproduction takes place
B. death is the last stage in the life cycle
C. reproduction mightn't guarantee a healthy life
D. life can end during reproduction
Answer: | A | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
If you viewed an eclipse from the moon
A. You would transport to another dimension
B. It would change time
C. You would be thrown off the moon
D. it would go in reverse
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Deficiency of what is symptomized by nausea, fatigue and dizziness, and can be triggered by excessive sweating?
A. electrolytes
B. impurities
C. calories
D. salts
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what does a light bulb require to produce light?
A. flow of electrons
B. flow of neutrons
C. the sun
D. adding heat
E. hydrogen and oxygen
F. an electron lens
G. h2o
H. chemical messengers
Answer: | A | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which assertion has not been proven?
A. SAT $\in P$.
B. SAT is $NP$-complete.
C. SAT $\in NP$.
D. SAT $\in IP$.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Assume we enforce CFI for function returns. Which of the following statements are true?
A. CFI on returns will make control-flow hijacking harder
B. CFI on returns is too coarse-grained and may give the adversary sufficient valid targets for an exploit
C. CFI on returns ensures that only the single valid target is allowed
D. CFI on returns cannot support exceptions
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In desert cactus, thorns that protect the water held in a large, barrel-shaped stem are an example of what?
A. species
B. characteristic
C. feature
D. adaptation
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A platypus is an example of
A. a reptile
B. animals
C. an amphibian
D. a monotreme
E. killing insects
F. insects
G. murmur
H. an arachnid
Answer: | D | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Kidneys, large intestine, liver, skin, and lungs comprise which system?
A. excretory system
B. Digestive system
C. Muscular system
D. Lymphatic system
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider the composite function $f(x)=g(h(x))$, where all functions are $\mathbb{R}$ to $\mathbb{R}$. Which of the following is the weakest condition that guarantees that $f(x)$ is convex?
A. $g(x)$ and $h(x)$ are convex and $g(x)$ and $h(x)$ are increasing
B. $g(x)$ is convex and $g(x)$ is increasing
C. $g(x)$ and $h(x)$ are convex and $h(x)$ is increasing
D. $g(x)$ and $h(x)$ are convex and $g(x)$ is increasing
E. $g(x)$ is convex and $g(x)$ and $h(x)$ are increasing
F. $h(x)$ is convex and $g(x)$ and $h(x)$ are increasing
G. $g(x)$ is convex and $h(x)$ is increasing
Answer: | D | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
When describing motion, what factor is just as important as distance?
A. pressure
B. momentum
C. velocity
D. direction
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Soil can be depleted of which of the following?
A. Potassium carbonate
B. Chlorophyll
C. neon
D. sedimentary rocks
E. carbon monoxide
F. helium
G. Organic compounds
H. vegetation
Answer: | A | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which statement is false about clustering?
A. K-means fails to give good results if the points have non-convex shapes
B. In K-means, bad initialization can lead to poor convergence speed
C. DBSCAN is a deterministic algorithm
D. DBSCAN algorithm is robust to outliers
E. Density-based clustering fails to discover non-convex clusters
Answer: | C | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which is the active ingredient of cereal crop disease, ergot?
A. byblis acid
B. pixelation acid
C. amino acid
D. lysergic acid
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \textbf{true} statement regarding RSA Cryptosystem.
A. $(e,N,\varphi(N))$ are the public parameters.
B. $e$ is a valid public key if $\gcd(e,N)=1$.
C. Encryption and decryption are performed with the same key.
D. $ed \equiv 1 \pmod{\varphi(N)}$.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider 3 regular expressions \(A\), \(B\), and \(C\), such that:the sets of strings recognized by each of the regular expressions is non empty;the set of strings recognized by \(B\) is included in the set of strings recognized by \(A\);some strings are recognized simultaneously by \(A\) and by \(C\); andno string is recognized simultaneously by \(B\) and \(C\).Which of the following statements are true?(where, for a regular expression \(X\), \((X)\) denotes the transducer which associates every string recognized by \(X\) to itself)(Penalty for wrong ticks)
A. Any string recognized by \(A\) but not by \(B\) is a left string in an association recognized by the transducer \((A)(C)\)
B. Any string recognized by \(B\) is (at least) associated to itself by the transducer \(A\otimes B\)
C. \((A\otimes B)\circ (C)\) recognizes a non empty set of string associations
D. \((B\otimes A)\circ (C)\) recognizes a non empty set of string associations
Answer: | B | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
For most of a star’s life, hydrogen atoms fuse to form what?
A. gas atoms
B. helium atoms
C. neon atoms
D. ionic atoms
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Given a function $f:\left\{ 0,1 \right\}^p \rightarrow \left\{ 0,1 \right\}^q$, given $a\in\left\{ 0,1 \right\}^p$ and $b \in \left\{ 0,1 \right\}^q$, we define $DP^{f}(a,b) = \Pr_{X}[f(X \oplus a) = f(X) \oplus b]$. We have that $\ldots$
A. $DP^f(0,b) = 1$ if and only if $b \not= 0$.
B. $DP^f(a,a) =1$.
C. $\sum_{a \in \{0,1\}^p} \sum_{b \in \{0,1\}^q} DP^f(a,b)= 2^p $.
D. when $f$ is a permutation and $p=q$, $DP^f(a,0) = 1$.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Beaches and deserts collect large deposits of what?
A. plants
B. animals
C. sand
D. water
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Moles will be protected from what?
A. a wildfire
B. colder weather
C. bacteria
D. dirt
E. sun's heat
F. cold air
G. mudslides
H. flooding
Answer: | A | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What would a squirrel like for nutrition?
A. safe plants
B. insects
C. worms
D. poisonous plants
Answer: | A | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
in order for utility of a tool to occur, what has to happen first?
A. it needs to be cleaned
B. none of these
C. it needs to be baptized
D. it needs to be invented
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $f:\R^D
ightarrow\R$ be an $L$-hidden layer multi-layer perceptron (MLP) such that
\[
f(xv)=\sigma_{L+1}ig(\wv^ op\sigma_L(\Wm_L\sigma_{L-1}(\Wm_{L-1}\dots\sigma_1(\Wm_1xv)))ig),
\]
with $\wv\in\R^{M}$, $\Wm_1\in\R^{M imes D}$ and $\Wm_\ell\in\R^{M imes M}$ for $\ell=2,\dots, L$, and $\sigma_i$ for $i=1,\dots,L+1$ is an entry-wise activation function. For any MLP $f$ and a classification threshold $ au$ let $C_{f, au}$ be a binary classifier that outputs YES for a given input $xv$ if $f(xv) \leq au$ and NO otherwise. space{3mm}
Assume $\sigma_{L+1}$ is the element-wise extbf{sigmoid} function and $C_{f, rac{1}{2}}$ is able to obtain a high accuracy on a given binary classification task $T$. Let $g$ be the MLP obtained by multiplying the parameters extbf{in the last layer} of $f$, i.e. $\wv$, by 2. Moreover, let $h$ be the MLP obtained by replacing $\sigma_{L+1}$ with element-wise extbf{ReLU}. Finally, let $q$ be the MLP obtained by doing both of these actions. Which of the following is true?
ReLU(x) = max\{x, 0\} \
Sigmoid(x) = rac{1}{1 + e^{-x}}
A. $C_{g, rac{1}{2}}$ may have an accuracy significantly lower than $C_{f, rac{1}{2}}$ on $T$
B. $C_{h, 0}$ may have an accuracy significantly lower than $C_{f, rac{1}{2}}$ on $T$
C. $C_{q, 0}$ may have an accuracy significantly lower than $C_{f, rac{1}{2}}$ on $T$
D. $C_{g, rac{1}{2}}$, $C_{h, 0}$, and $C_{q, 0}$ have the same accuracy as $C_{f, rac{1}{2}}$ on $T$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What produces both eggs and sperm?
A. Plant reproduction
B. sub-units of species
C. gastropod shells
D. an individual mature sponge
E. Microscopic organisms
F. members of their own species
G. peachleaf willow
H. seed dispersal
Answer: | D | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $f(x, y)$ be a general function over $\mathbb{R}^{2}$. Mark any of the following statements that is always (independent of the function) correct?
A. $\max _{y^{\prime}} \min _{x^{\prime}} f\left(x^{\prime}, y^{\prime}\right) \leq \min _{x^{\prime}} \max _{y^{\prime}} f\left(x^{\prime}, y^{\prime}\right)$
B. $\min _{x^{\prime}} f\left(x^{\prime}, y\right) \leq \min _{y^{\prime}} f\left(x, y^{\prime}\right), \forall x, y$
C. $\max _{x^{\prime}} f\left(x^{\prime}, y\right) \leq \max _{y^{\prime}} f\left(x, y^{\prime}\right), \forall x, y$
D. $\min _{x^{\prime}} f\left(x^{\prime}, y\right) \leq \max _{y^{\prime}} f\left(x, y^{\prime}\right), \forall x, y$
E. $\min _{x^{\prime}} f\left(x^{\prime}, y\right) \leq \max _{x^{\prime}} f\left(x^{\prime}, y\right), \forall y$
F. $\min _{y^{\prime}} \max _{x^{\prime}} f\left(x^{\prime}, y^{\prime}\right) \leq \max _{x^{\prime}} \min _{y^{\prime}} f\left(x^{\prime}, y^{\prime}\right)$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
How many generators do we have in a group of order $13$?
A. 13.
B. 12.
C. 6.
D. 2.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What type of reproduction produces offspring from a single parent that share the exact same genetic material as the parent?
A. mutation
B. sexual reproduction
C. asexual reproduction
D. microscopic reproduction
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Any structure inside a cell that is enclosed by a membrane is called?
A. an article
B. an organelle
C. an enclave
D. a particle
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of AddressSanitizer (ASan), MemorySanitizer (MemSan),
UndefinedBehaviorSanitizer (UBSan) or ThreadSanitizer (TSan) can detect
bugs (if any) in the following code snippet?
\begin{lstlisting}[language=C,style=c]
int sum_array(int *arr, size_t len) {
// Return sum of array elements
int result = 0;
for (size_t i = 0; i <= len; i++) {
result += arr[i];
}
return result;
}
\end{lstlisting}
A. ASan
B. MemSan
C. UBSan
D. TSan
E. There is at least one bug in the snippet, but none of the
mentioned sanitizers can detect it.
F. There are no bugs in the snippet.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Sediments in oligotrophic lakes contain large amounts of what?
A. igneous rocks
B. fertilizer
C. algae
D. decomposable organic matter
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Changes in the pH of soil can cause plants to decay and leave what for future plants?
A. seeds
B. fossil fuels
C. Earthworms
D. minerals
E. bugs
F. nutrients
G. It decreases
H. roots
Answer: | D | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Church booleans are a representation of booleans in the lambda calculus. The Church encoding of true and false are functions of two parameters: Church encoding of tru: t => f => t Church encoding of fls: t => f => f What does the following function implement? b => c => b (not c) c
A. not c
B. b xor c
C. b or c
D. b and c
E. not(b and c)
Answer: | B | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
If Alice receives a message proven to be coming from Bob, we say that the message is\dots
A. confidential
B. fresh
C. authenticated
D. correct
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Your input is "Distributed Information Systems". Your model tries to predict "Distributed" and "Systems" by leveraging the fact that these words are in the neighborhood of "Information". This model can be:
A. Bag of Words
B. Word Embeddings
C. LDA
D. kNN
Answer: | B | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can cause the immune system to not work properly?
A. cigarettes
B. Malnutrition
C. burning coal
D. Healthy food
E. Exercise
F. Good health
G. Allergies
H. Pesticides
Answer: | B | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \emph{incorrect} statement. When $x\rightarrow+\infty$ \ldots
A. $x^3 + 2x + 5 = \mathcal{O}(x^3)$.
B. $\frac{1}{x^2} = \mathcal{O}(\frac{1}{x})$.
C. $2^{\frac{x}{\log x}} = \mathcal{O}(2^x)$.
D. $n^x = \mathcal{O}(x^n)$ for any constant $n>1$.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What prepares the body for fight or flight during emergencies?
A. abnormal division
B. metabolic response
C. adrenal mechanism
D. sympathetic division
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the gradient of $\mathbf{x}^{\top} \mathbf{W} \mathbf{x}$ with respect to all entries of $\mathbf{W}$ (written as a matrix)?
A. (a) $\mathbf{W} \mathbf{x}$
B. (b) $\mathbf{W}^{\top} \mathbf{x}$
C. (c) $\square\left(\mathbf{W}+\mathbf{W}^{\top}\right) \mathbf{x}$.
D. (d) $\mathbf{W}$
E. (e) $\mathbf{x} \mathbf{x}^{\top}$.
F. (f) $\mathbf{x}^{\top} \mathbf{x}$
G. (g) $\mathbf{W} \mathbf{W}^{\top}$.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $\mathcal{C}$ be a binary $(5,2)$ linear code with generator matrix egin{equation*} G = egin{pmatrix} 1 &0 &1 &0 &1 \ 0 &1 &0 &1 &1 \end{pmatrix} \end{equation*} and consider a minimum-distance decoder obtained by choosing the coset leaders of the standard array of $\mathcal{C}$ so that the error probability is minimized under a binary symmetric channel with bit-flip probability $\epsilon < rac{1}{2}$. True or false: The word $00101$ is certainly not one of the coset leaders.
A. True
B. False
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
When a glacier no longer moves, what is it called?
A. an iceberg
B. an ice sheet
C. an ice cylinder
D. a glacial lake
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
For binary classification, which of the following methods can achieve perfect training accuracy on \textbf{all} linearly separable datasets?
A. Decision tree
B. Hard-margin SVM
C. 15-nearest neighbors
D. None of the suggested
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider a source $S$ with some distribution $P_S$ over the alphabet $\mathcal{A} = \{a, b, c, d, e, f\}$. Consider the following encoding $\Gamma$ over a code alphabet $\mathcal{D}$ of size $D$ with the following codeword lengths: egin{center} egin{tabular}{ |c|c|c|c|c|c|c| } \hline & $a$ & $b$ & $c$ & $d$ & $e$ & $f$ \ \hline $l(\Gamma(\cdot))$ & 1 & 1 & 1 & 2 & 2 & 4 \ \hline \end{tabular} \end{center} True or false: If $D=2$ there exists a uniquely-decodable code with the same lengths of $\Gamma$.
A. True
B. False
Answer: | B | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
the gravitational pull of the Moon on Earth 's oceans causes water to enter and leave the bay when
A. H20
B. seasons
C. weekly
D. daily
E. slow
F. monthly
G. strong
H. annually
Answer: | D | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider a Generative Adversarial Network (GAN) which successfully produces images of goats. Which of the following statements is false?
A. The discriminator can be used to classify images as goat vs non-goat.
B. The generator aims to learn the distribution of goat images.
C. After the training, the discriminator loss should ideally reach a constant value.
D. The generator can produce unseen images of goats.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Transport like what is the final stage of aerobic respiration?
A. kinetic
B. a mountain
C. Chemical energy
D. a plane
E. Energy.
F. Energy
G. a bus
H. a waterfall
Answer: | H | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of the following statements about fuzzing is/are correct?
A. Generational fuzzing requires more manual work (to specify the
generator policies) than mutational fuzzing, but can generate
high-quality seeds.
B. Blackbox fuzzers can make use of initial seeds.
C. Greybox fuzzing is always the better alternative to
blackbox fuzzing.
D. Greybox fuzzing keeps track of concrete program paths to
abstract behavior.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the term for tough, flexible connective tissue that contains the protein collagen?
A. muscle
B. cartilage
C. cuticle
D. membrane
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Decomposition increases amount of _ in soil
A. biome
B. lipids
C. acid
D. O2
E. potash
F. pH
G. fungi
H. corn
Answer: | C | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Between meals, when the level of blood glucose drops below a certain point, a signal is sent to what organ saying “make more glucose"?
A. brain
B. kidney
C. pancreas
D. liver
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can humans hide from weather in?
A. a shady tree
B. a local museum
C. a soda can
D. a playground
Answer: | B | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A light bulb emits what when turned on?
A. movement
B. warmth
C. photons
D. sunlight
E. motion
F. sun's heat
G. dangerous
H. Heart rate
Answer: | C | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What has traditionally been defined as a force of attraction between two masses?
A. mass
B. motion
C. volume
D. gravity
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
When do female reproductive organs mature?
A. at birth
B. periomenopause
C. at puberty
D. at menopause
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is a common condition caused by stomach acid?
A. arthritis
B. heartburn
C. sunburn
D. headache
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Earth is a similar material as
A. Mars
B. Jupiter
C. Neptune
D. the sun
Answer: | A | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
oil is formed by burial of decomposing algae being pushed down which increases what
A. volcanic activity
B. Greenhouse gases
C. ocean acidity
D. kinetic energy
E. sea currents
F. Pollution
G. nutrients
H. temperatures
Answer: | H | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What type of disease is caused by pathogens?
A. autoimmune diseases
B. nervous diseases
C. infectious diseases
D. viral diseases
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In User-Based Collaborative Filtering, which of the following is correct, assuming that all the ratings are positive?
A. Pearson Correlation Coefficient and Cosine Similarity have different value range, but return the same similarity ranking for the users
B. If the ratings of two users have both variance equal to 0, then their Cosine Similarity is maximized
C. Pearson Correlation Coefficient and Cosine Similarity have the same value range, but can return different similarity ranking for the users
D. If the variance of the ratings of one of the users is 0, then their Cosine Similarity is not computable
Answer: | B | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Bacteria can be chemotrophs, which obtain what by breaking down chemical compounds in their environment?
A. energy
B. chemials
C. waste
D. food
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What were the first forms of life on earth?
A. protists
B. eukaryotes
C. aniryotes
D. prokaryotes
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
While many habitats support a great variety of life, and deserts are included, many animals
A. freeze in deserts
B. starve in deserts
C. are abandoned there
D. drown in deserts
Answer: | B | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what uses cell division to grow and repair themselves?
A. animals
B. humans
C. plants
D. trees
E. volume
F. battery cells
G. ferns
H. density
Answer: | B | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In an electromagnetic wave, what do the crests and troughs represent?
A. vibrating fields
B. particles fields
C. oscillating fields
D. ocean waves
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A colleague challenges you to create a $(n-1,k,d_{min})$ code $\mathcal C'$ from a $(n,k,d_{min})$ code $\mathcal C$ as follows: given a generator matrix $G$ that generates $\mathcal C$, drop one column from $G$. Then, generate the new code with this truncated $k imes (n-1)$ generator matrix. The catch is that your colleague only gives you a set $\mathcal S=\{\vec s_1,\vec s_2, \vec s_3\}$ of $3$ columns of $G$ that you are allowed to drop, where $\vec s_1$ is the all-zeros vector, $\vec s_2$ is the all-ones vector, and $\vec s_3$ is a canonical basis vector. From the length of the columns $s_i$ you can infer $k$. You do not know $n$, neither do you know anything about the $n-3$ columns of $G$ that are not in $\mathcal S$. However, your colleague tells you that $G$ is in systematic form, i.e., $G=[I ~~ P]$ for some unknown $P$, and that all of the elements in $\mathcal S$ are columns of $P$. Which of the following options in $\mathcal S$ would you choose as the column of $G$ to drop?
A. $\vec s_1$ (the all-zeros vector).
B. $\vec s_2$ (the all-ones vector)
C. $\vec s_3$ (one of the canonical basis vectors).
D. It is impossible to guarantee that dropping a column from $\mathcal S$ will not decrease the minimum distance.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A multiset is an unordered collection where elements can appear multiple times. We will represent a multiset of Char elements as a function from Char to Int: the function returns 0 for any Char argument that is not in the multiset, and the (positive) number of times it appears otherwise: type Multiset = Char => Int The filter operation on a multiset m returns the subset of m for which p holds. What should replace ??? so that the filter function is correct? def filter(m: Multiset, p: Char => Boolean): Multiset = ???
A. x => if m(x) then p(x) else 0
B. x => m(x) && p(x)
C. x => if !m(x) then p(x) else 0
D. x => if p(x) then m(x) else 0
Answer: | D | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In JOS, suppose one Env sends a page to another Env. Is the page copied?
A. Yes
B. No
Answer: | B | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Igniting the shuttles boosters causes it to
A. explode
B. stop midair
C. accelerate
D. decelerate
Answer: | C | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \emph{false} assertion. Two-keys triple DES\dots
A. is more secure than double encryption.
B. is less secure than AES.
C. is as secure as a block cipher using a key twice longer.
D. is vulnerable to a certain variant of a meet-in-the-middle attacks.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The anodes in each cell of a rechargeable battery are plates or grids of lead containing spongy lead metal, while the cathodes are similar grids containing powdered what?
A. carbon dioxide
B. straight dioxide
C. lead dioxide
D. coal
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can be removed to preserve food?
A. water
B. nutrients
C. toxins
D. salt
E. A virus
F. sugar
G. leeches
H. peat
Answer: | A | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Millilters mL is a unit generally used for values between 1 and 1000 to measure
A. the space inside a container
B. the height of a container
C. the weight of a container
D. the length of a container
Answer: | A | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are magnetites naturally attracted to?
A. iron
B. glass
C. aluminum
D. stone
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What branch of science offers an overview of the physiology of humans?
A. marine biology
B. engineer
C. human biology
D. geology
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what is a negative impact on an organism
A. malnutrition
B. plants
C. hyperthyroidism
D. cancer
E. sweat
F. laughter
G. smallpox
H. leukemia
Answer: | A | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In iceland, the mid-atlantic ridge is above sea what?
A. bottom
B. level
C. atmosphere
D. tide
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What supplement would a human take to aid in breaking down food?
A. sweating
B. Energy
C. Enzymes.
D. Calcium supplements.
E. Energy.
F. Antacid.
G. Protein supplement.
H. evaporation
Answer: | C | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The wolf raises his family near a
A. den
B. field
C. tree
D. mother.
Answer: | A | openbookqa |
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