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The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which would mandate replacing natural resources?
A. camping
B. a national park
C. overlogging
D. a garden
Answer: | C | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are chlamydia, gonorrhea, and syphilis an example of?
A. bacterial stis
B. metabolic disorders
C. viral stis
D. genetic diseases
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $n=pq$ where $p$ and $q$ are prime numbers. We have:
A. $\varphi (n) = n-1$
B. $\varphi (n) = pq$
C. $\varphi (n) = p + q$
D. $\varphi (n) = (p-1) (q-1)$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The formation of more mitochondia does what?
A. increases a body's strength
B. lowered energy cost
C. absorb light energy
D. Plant growth is reduced
E. They grow better
F. to move people
G. Help plants grow
H. duplicate itself
Answer: | A | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
One of the earliest air pumps was made by?
A. Isaac Newton
B. Galileo
C. robert boyle
D. Niels Bohr
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which is a byproduct of a lightbulb?
A. taste
B. death
C. warmth
D. sound
Answer: | C | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Concentration is the removal of solvent, which increases the concentration of what?
A. vapor
B. Water
C. solute
D. sodium
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
If a puppy steps on a lit cigarette, it is likely
A. happy
B. swell
C. lovely
D. pained
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Knowing what to do without ever being taught is known as
A. learned
B. found
C. instinctive
D. given
Answer: | C | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Small water bodies often fed by springs are called what?
A. ponds
B. rivers
C. oceans
D. puddles
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A basic statement in RDF would be expressed in the relational data model by a table
A. with one attribute
B. with two attributes
C. with three attributes
D. cannot be expressed in the relational data model
Answer: | B | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \emph{correct} assertion.
A. MD5 is using a compression function based on the Davies-Meyer scheme.
B. The Keccak hash function is based on the Merkle-Damg{\aa}rd construction.
C. Plain CBCMAC is resistant to forgery attacks.
D. GCM is an efficient MAC based on the CBC mode.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Recall that we say that a kernel $K: \R imes \R
ightarrow \R $ is
valid if there exists $k \in \mathbb{N}$ and $\Phi: \R
ightarrow \R^k$
such that for all $(x, x') \in \R imes \R $, $K(x, x') = \Phi(x)^ op \Phi(x')$. The kernel $K(x, x') = \cos(x + x')$ is a valid kernel.
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.
Which statement about extit{black-box} adversarial attacks is true:
A. They require access to the gradients of the model being attacked.
B. They are highly specific and cannot be transferred from a model which is similar to the one being attacked.
C. They cannot be implemented via gradient-free (e.g., grid search or random search) optimization methods.
D. They can be implemented using gradient approximation via a finite difference formula.
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 process that breaks down rocks into smaller pieces?
A. bleaching
B. erosion
C. weathering
D. bracing
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
An HMM model would not be an appropriate approach to identify
A. Named Entities
B. Part-of-Speech tags
C. Concepts
D. Word n-grams
Answer: | D | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
One of the following ciphers is a \emph{block} cipher. Which one?
A. AES
B. RC4
C. A5/1
D. MD5
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What kind of reproduction generates new individuals without fusion of an egg and sperm?
A. asexual
B. sexual
C. gametes
D. propagation
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What class of animal, including hydras and jellies, is considered the simplest to contain a nervous system?
A. sponges
B. fish
C. cnidarians
D. prokaryotes
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
if you push something harder, it will
A. increase in length
B. travel less distance
C. cover more length
D. remain in place
Answer: | C | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The most common mode of asexual reproduction is through the formation of asexual these?
A. fibers
B. cells
C. atoms
D. spores
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Metabolism is an emergent property of life that arises from orderly interactions between what?
A. nutrients
B. molecules
C. tissues
D. body systems
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is safest to breathe around?
A. coal plant
B. Union Carbide plant
C. windmill
D. automobile
Answer: | C | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Select the \emph{incorrect} statement
A. RC4, A5/1, E0 are stream ciphers
B. MD4, MD5, SHA0, SHA1 are hash functions
C. DES, AES are block ciphers
D. ECB, KDF, PRF are commitment schemes
Answer: | A | m1_preference |
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.
What is the diffusion of water known as?
A. hemostasis
B. osmosis
C. electrolysis
D. evaporation
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What play an important role in the modulation of the nuclear chain reaction?
A. control neutrons
B. control rods
C. radiation rods
D. particle rods
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
During cellular respiration, carbons from the glucose molecule are changed back into what gas?
A. carbon monoxide
B. carbon dioxide
C. deformation dioxide
D. liquid dioxide
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is cellular respiration that proceeds in the presence of oxygen known as?
A. aerobic respiration
B. digestive respiration
C. anaerobic respiration
D. kinetic respiration
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What do some plants produce that protects dormant seeds and aids in their dispersal?
A. fruit
B. stems
C. roots
D. leaves
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $G_1, G_2, G_3$, be valid generator matrices of dimensions $\mathbb F^{k_i \times n_i}$, all over the same field $\mathbb F$. Recall that ``valid'' means that for all $i$, $k_i \leq n_i$ and $\text{rank}(G_i) = k_i$. True or false: Assuming $k_1 = k_2 + k_3$, the matrix $\begin{pmatrix} G_1 &\vline &\begin{matrix} G_2 &\vline &0\ \cline{1-3} 0 &\vline &G_3 \end{matrix} \end{pmatrix}$ is also a valid generator matrix.
A. False
B. True
Answer: | B | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
the Himalayas were formed from older what
A. soils
B. plates
C. rivers
D. rock
E. eras
F. meadows
G. dirt
H. plains
Answer: | D | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of these things is absolutely required in order to notice a bat flying towards you?
A. a hand and an arm
B. eyes and reflected sunlight
C. dogs and scared cats
D. a nose and eyebrows
Answer: | B | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The energy of a wave depends on time as well as what other property of the wave?
A. power
B. frequency
C. force
D. amplitude
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the order of $2^{124}$ in $(\mathbb{Z}_{2^{128}},+)$?
A. 8.
B. $\varphi(2^{128})$.
C. 124.
D. 16.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Where do plants that grow in hot, dry deserts store water?
A. In the stem
B. In the spines
C. peachleaf willow
D. scarce resources
E. bamboo
F. In the branches
G. cactuses
H. In the leaves
Answer: | A | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Skeletal muscle cells and cardiac muscle cells share what property, which is not shared by smooth muscle cells?
A. striations
B. overlap
C. surfaces
D. filaments
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider the following set of frequent 3-itemsets: {1, 2, 3}, {1, 2, 4}, {1, 2, 5}, {1, 3, 4}, {2, 3, 4}, {2, 3, 5}, {3, 4, 5}. Which one is not a candidate 4-itemset?
A. {1,2,4,5}
B. {1,3,4,5}
C. {2,3,4,5}
D. {1,2,3,4}
Answer: | B | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The fossil record indicates that anthropoids began diverging from other primates about how many million years ago?
A. 70
B. 40
C. 50
D. 60
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A 128-bit key ...
A. has 128 decimal digits.
B. is too long for any practical application.
C. provides reasonable security for at least four decades.
D. adresses $n^2$ problem for $n=2^{64}$.
Answer: | A | m1_preference |
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.
Why would philanthropists donate special straws to help poor countries?
A. they pollute water
B. they need straws
C. they treat water
D. they poison water
Answer: | C | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A hard wind blowing at the back of a bike that is being peddled forward will
A. make it stop
B. speed it up
C. slow it down
D. blow it up
Answer: | B | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Snippet 3: the diploid cells resulting from karyogamy are short-lived and undergo meiosis, producing what?
A. stunted spores
B. hyperactive spores
C. haploid spores
D. binary spores
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of the following statements on Latent Semantic Indexing (LSI) and Word Embeddings (WE) is false?
A. The dimensions of LSI can be interpreted as concepts, whereas those of WE cannot
B. LSI does not depend on the order of words in the document, whereas WE does
C. LSI is deterministic (given the dimension), whereas WE is not
D. LSI does take into account the frequency of words in the documents, whereas WE with negative sampling does not
Answer: | D | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Dense connective tissue contains more collagen fibers than does loose connective tissue. as a consequence, it displays greater resistance to what?
A. freezing
B. contracting
C. stiffening
D. stretching
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the outermost layer of the skin?
A. dermis
B. epidermis
C. nexus
D. callus
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What's the term for the period during which women's ovaries stop producing eggs?
A. adolescence
B. maturity
C. menopause
D. puberty
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $n$ be an integer. What is the cardinality of $\mathbf{Z}^*_n$?
A. $n$
B. $n-1$
C. $\varphi(n)$
D. $\varphi(n-1)$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What organ is subdivided into ascending, descending, transverse and sigmoid parts?
A. lungs
B. heart
C. uterus
D. colon
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \emph{incorrect} assertion. The Diffie-Hellman key agreement protocol \ldots
A. allows two participants to set up a key so that they can communicate securely.
B. requires the hardness of the Discrete Logarithm problem.
C. uses ElGamal encryption in order to establish the key.
D. is easy to break when working on the group $\mathbf{Z}_{n}$.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
You are using a 3-layer fully-connected neural net with \textbf{ReLU activations}. Your input data has components in [0, 1]. \textbf{You initialize your weights by sampling from $\mathcal{N}(-10, 0.1)$ (Gaussians of mean -10 and variance 0.1)}, and set all the bias terms to 0. You start optimizing using SGD. What will likely happen?
A. The gradient is 0 so nothing happens
B. The gradient is very large so the model can't converge
C. Training is fine, but our neural net does only as well as a linear model
D. Everything is fine
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
For which kind of bugs does default LLVM provide sanitizers?
A. Memory leaks
B. Buffer overflows
C. Race conditions between threads
D. Logic bugs
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What may cause fighting within a species?
A. caring for young
B. deforestation
C. growing food
D. a tree falling
E. competing for resources
F. Males and females
G. depress neuronal excitability
H. making peace
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are the primary producers in the ocean?
A. fish
B. zooplankton
C. phytoplankton
D. algea
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What do omnivores eat?
A. only animals
B. only plants
C. only seafood
D. plants & animals
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A way to conserve something is to
A. use it up
B. use it sparsely
C. use it quickly
D. finish it off
Answer: | B | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can cause animals to leave an environment?
A. light rain
B. good weather
C. drought
D. mines
E. storms
F. fires
G. wind
H. gentle breezes
Answer: | F | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
if a bush fire breaks out without human action, what might have happened?
A. the mercury read high in the thermometer that day
B. it was a cloudy day
C. it was a very rainy day
D. it was a very cold day
Answer: | A | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
flowing from cold to warm can change the state of what?
A. energy
B. matter
C. society
D. cold
E. Energy.
F. climate
G. an object
H. warm
Answer: | B | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Riding a bike reduces what?
A. energy usage
B. Greenhouse gasses
C. acid rain
D. harmful substances
E. Greenhouse gases
F. temperature
G. prolactin release
H. storms
Answer: | A | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The reverse process of moving material into a cell is the process of what?
A. exocytosis
B. endocytosis
C. osmosis
D. proteolysis
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
How many forces do objects on earth have acting on them at all times?
A. three
B. two
C. ten
D. four
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Digestive enzymes secreted in the acidic environment (low ph) of the stomach help break down what?
A. cells
B. molecules
C. particles
D. proteins
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \emph{wrong} assertion concerning 3G.
A. In 3G, the network is authenticated to the phone.
B. The integrity of 3G messages is well protected.
C. In 3G, there is a counter to protect against replay attacks.
D. 3G uses f8 for encryption.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is muscle tissue that is attached to the bone called?
A. cartilage
B. ligament
C. skeletal tisse
D. epithelial tissue
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $G$ be a set and $*$ a commutative operation on pairs of elements from $G.$ Suppose there exists an element $e\in G$ such that $a*e=e*a=a$ for all $a \in G.$ Also, suppose there exist elements $b,c,d \in G$ such that $b*c=d*c.$. True or false: If $b
ot=d,$ then $(G,*)$ cannot be a group.
A. False
B. True
Answer: | B | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Freshwater biomes contain water that contains little to no what?
A. cations
B. Acids
C. Nutrients
D. sodium
E. Pollution
F. animals
G. plants
H. water
Answer: | D | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What causes the refraction of light?
A. focusing a lens
B. Chemical energy
C. fossil fuels
D. all liquids
E. a solute
F. chemical changes
G. an electron lens
H. squids
Answer: | D | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In JOS, suppose a value is passed between two Envs. What is the minimum number of executed system calls?
A. 1
B. 2
C. 3
D. 4
Answer: | B | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Cells secrete acids and bases to maintain what?
A. Chemical energy
B. resistance
C. increases a body's strength
D. To keep their body heat.
E. most human enzymes
F. aerobic capacity
G. allow growth
H. temperature
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $p>2$ be a prime. Then \dots
A. for any $x \in \mathbb{Z}_p^*$, we have $x^p \bmod{p} = 1$.
B. the set of quadratic residues modulo $p$ form a field.
C. the set of quadratic residues modulo $p$ is of order $(p-1)/2$.
D. $\phi(p^2) = (p-1)^2$.
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 coiled structures made of dna and proteins?
A. platelets
B. neutrons
C. nodes
D. chromosomes
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Electrons flow through wires to create what?
A. balanced reaction
B. electric current
C. hydroelectric power
D. electromagnetism
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The four phases of mitosis are prophase, metaphase, anaphase and what?
A. telophase
B. trichina
C. spirogyra
D. postphase
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What occurs when the muscular walls of blood vessels contract?
A. Dehydration
B. rapid expansion
C. smooth skin
D. smoking tobacco
E. loose bumping
F. pinched nerves
G. tight sqeezing
H. movement
Answer: | G | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider a hash function $H$ with $n$ output bits. Tick the \emph{incorrect} assertion.
A. Due to birthday paradox, an output collision of $H$ can be found much faster than with running time $2^n$.
B. It is possible to find an output collision of $H$ with $O(2^{\frac{n}{2}})$ memory and $O(2^{\frac{n}{2}})$ running time.
C. It is possible to find an output collision of $H$ with $O(1)$ memory and $O(2^{\frac{n}{2}})$ running time.
D. It is possible to find an output collision of $H$ with $O(2^{\frac{n}{2}})$ memory and $O(1)$ running time.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The SMART algorithm for query relevance feedback modifies? (Slide 11 Week 3)
A. The original document weight vectors
B. The original query weight vectors
C. The result document weight vectors
D. The keywords of the original user query
Answer: | B | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let \(A = \{a, b, c, d, ..., z\}\) be the set of lower cased English letters.
Let \(S = \{a, b, ab, cd, ae, xy, ord, ...\}\) be the set of all strings using \(A\) as an alphabet.
Given \(s\in S\), \(N(s)\) is the number of vowels in \(s\).
For example,\(N(algrzqi) = 2\), \(N(bebebe) = 3\).
We say \((s, t)\) belongs to relation \(R\) if \(N(s) \leq N(t)\).
Which of the following statements are true (more than one answer can be correct) ?
A. \(R\) is reflexive.
B. \(R\) is transitive.
C. \(R\) is symmetric.
D. \(R\) is not an equivalence relation.
Answer: | A | m1_preference |
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 do you call the heat below earth’s surface that can be used to produce electricity?
A. inert energy
B. geothermal energy
C. renewable energy
D. natural energy
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what is adrenaline a response to?
A. earthquakes
B. water
C. magnetism
D. threats
E. Heart rate
F. hormones
G. threatened
H. heat
Answer: | D | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Matrix Factorizations: The function $f(\mathbf{v}):=g\left(\mathbf{v} \mathbf{v}^{\top}\right)$ is convex over the vectors $\mathbf{v} \in \mathbb{R}^{2}$, when $g: \mathbb{R}^{2 \times 2} \rightarrow \mathbb{R}$ is defined as
A. (a) if we define $g: \mathbb{R}^{2 \times 2} \rightarrow \mathbb{R}$ as $g(\mathbf{X}):=X_{11}$.
B. (b) if we define $g: \mathbb{R}^{2 \times 2} \rightarrow \mathbb{R}$ as $g(\mathbf{X}):=X_{11}+X_{22}$.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
(Backpropagation) Training via the backpropagation algorithm always learns a globally optimal neural network if there is only one hidden layer and we run an infinite number of iterations and decrease the step size appropriately over time.
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.
Eggs reside in the mesohyl, but sperm are carried out of the sponge by what?
A. water current
B. ion channels
C. air current
D. phloem
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Supersaturated solutions of most solids in water are prepared by cooling what?
A. saturated solutions
B. dense solutions
C. mineral solutions
D. plasma solutions
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider the following sequence of random variables $S_1,\ldots,S_n,\ldots$ Assume that the limit $H^\star(\mathcal{S})=k$ exists and is finite. Suppose that there exists $\hat{n}>0$ such that for all $i\geq \hat{n}$ one has that the marginal distributions of $S_{i+1}$ and $S_i$ satisfy $p_{S_{i+1}}=p_{S_i}$. Denote with $\mathcal{Y}_{\hat{n}}$ the alphabet of the source $S_{\hat{n}}$. True or false: Can one use this information to infer that the following holds: $|\mathcal{Y}_{\hat{n}}| \geq 2^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.
the inability of a once breathing organism to function can be described as?
A. a state of the union
B. a state of activity
C. a state of agility
D. a state of being dead
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Pick the \emph{false} statement.
A. A ring is always commutative: $ab=ba$
B. A ring is always associative: $(ab)c=a(bc)$
C. A ring is always distributive: $a(b+c)=ab+ac$, $(a+b)c=ac+bc$
D. A ring is always Abelian: $a+b = b+a$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Under which condition is an element $x\in \mathbb{Z}_n$ invertible?
A. $\mathsf{gcd}(x,\varphi (n)) = 1$.
B. $\mathsf{gcd}(x,n-1) = 1$.
C. $\mathsf{gcd}(x,n) = 1$.
D. $\mathsf{gcd}(x,n) \ne 1$.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Angiosperms possess reproductive structures that attract animals that perform what role?
A. evolution
B. vegetation
C. pollination
D. isolation
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what do animals use for energy?
A. hydrogen
B. chemicals
C. vitamin C
D. nitrogen
E. food
F. glucose
G. Nutrients
H. soil
Answer: | F | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What do hydrocarbons consist of?
A. carbon and helium
B. carbon and oxygen
C. carbon and water
D. carbon and hydrogen
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Sedans being powered by _______ is an example of an alternative fuel source
A. maize
B. refuse
C. bees
D. soda cans
Answer: | A | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the si unit for pressure?
A. le
B. laurent
C. pascal
D. watt
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Assume that we have a convolutional neural net with $L$ layers, $K$ nodes per layer, and where each node is connected to $k$ nodes in a previous layer. We ignore in the sequel the question of how we deal with the points at the boundary and assume that $k<<<K$ (much, much, much smaller). How does the complexity of the back-propagation algorithm scale in these parameters?
A. $\Theta\left(L k^K\right)$
B. $\Theta\left(L k^K\right)$
C. $\Theta\left(L K^k\right)$
D. $\Theta(L K k)$
E. $\Theta\left(L^k K\right)$
Answer: | D | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The earliest vertebrates were jawless what?
A. reptiles
B. dinosaurs
C. fish
D. mammals
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
An egg requires warmth to do what?
A. grow
B. adapt
C. die
D. live
E. growth
F. run away
G. life
H. eat
Answer: | D | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Where is glucose carried in the human body?
A. the heart
B. the liver
C. the blood
D. the brain
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
It's easier to spot something small twenty feet away on a cloudless day if
A. the object is buried an inch underground
B. the object is a dirty black object on black ground
C. the object is a polished metal ring
D. the object is a dull green marble lying in live grass
Answer: | C | openbookqa |
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