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The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider the loss function $L: \R^d o \R$, $L(\wv) = rac{eta}{2}\|\wv\|^2$, where $eta > 0$ is a constant. We run gradient descent on $L$ with a stepsize $\gamma > 0$ starting from some $\wv_0
eq 0$. Which of the statements below is true?
A. Gradient descent converges to the global minimum for any stepsize $\gamma > 0$.
B. Gradient descent with stepsize $\gamma = rac{2}{eta}$ produces iterates that diverge to infinity ($\|\wv_t\| o \infty$ as $t o \infty$).
C. Gradient descent converges in two steps for $\gamma = rac{1}{eta}$ (i.e., $\wv_2$ is the extbf{first} iterate attaining the global minimum of $L$).
D. Gradient descent converges to the global minimum for any stepsize in the interval $\gamma \in ig( 0, rac{2}{eta}ig)$.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What occurs when muscle fibers get longer?
A. photosynthesis
B. rapid expansion
C. kinetic energy
D. cramps
E. relaxation
F. fertilization
G. movement
H. sweating
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Carbon dioxide can be found in what goes through the
A. neck
B. ears
C. eyes
D. brain
Answer: | A | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Select the non-associative operation.
A. $+$ (addition)
B. $-$ (subtraction)
C. $\times$ (multiplication)
D. $\oplus$ (exclusive-or)
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What organs produce eggs?
A. kidneys
B. testes
C. ovaries
D. glands
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
During which phase do sister chromatids separate and the centromeres divide?
A. gap cycle
B. passivation
C. cell phase
D. anaphase
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which one of these ciphers does achieve perfect secrecy?
A. RSA
B. Vernam
C. DES
D. FOX
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 the use of radioactive decay to estimate the ages of fossils and rock?
A. isotope test
B. microwave theory
C. radioactive dating
D. radioactive illustrating
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What gland secretes its products directly into the urethra through several small ducts
A. adrenal
B. thyroid
C. prostate
D. pituitary
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
When one substance dissolves in another, the mixture is:
A. unidirectional
B. homogenous
C. It expands
D. Condensation
E. elemental
F. emulsion
G. barrel-shaped
H. separated
Answer: | B | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What law explains how the change in direction of the light ray depends on how the speed of light changes, which in turn is related to the indices of refraction of the media involved?
A. Newton's first law
B. law of refraction
C. Boyle's law
D. Born's law
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what can cause bearings to heat up?
A. friction
B. loose soil
C. energy
D. voltage
E. Energy.
F. wind
G. electrically
H. sweating
Answer: | A | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of the following is/are true about fuzzing with sanitizers?
A. Some fuzzers use fork servers to reduce sanitizer overhead.
B. The set of sanitizers used during a fuzzing campaign must be
carefully chosen (tradeoff between bug visibility/execution
speed).
C. Some fuzzers dynamically tweak sanitizers to speed up fuzzing.
D. ASAN instrumentation has a negligible startup overhead.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What does a glacier produce?
A. rainfall
B. heat energy
C. streams.
D. detritus
E. energy
F. erosion
G. rock
H. streams
Answer: | D | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
An item such as a soda can is broken down. This means that the soda can is now
A. completely whole
B. all together
C. an intact item
D. in detached components
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Like quarks, gluons may be confined to systems having a total color of what?
A. blue
B. white
C. red
D. yellow
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Mammals belong to which class of vertebrates?
A. endothermic
B. agnathas
C. placoderms
D. chondrichthyes
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What causes continents to drift closer to the poles or the equator?
A. plate tectonics
B. time
C. earthquakes
D. plate movements
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
When a hemisphere is tilted towards the sun, that hemisphere does what in the sunlight?
A. by indirect light
B. flow of electrons
C. grows papaya trees
D. enormous damage to homes
E. evaporation
F. reflecting light
G. observe it
H. It gets heated up
Answer: | C | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Cranberries cause what environmental effect?
A. salinity
B. contamination
C. disease
D. deforestation
E. pollution
F. gene flow
G. climate
H. Dehydration
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Dna consists of how many long chains of nucleotides?
A. three
B. two
C. zero
D. one
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What do some animals need to survive?
A. radiation
B. smell
C. Energy
D. harm
E. warmth
F. oxygen
G. defeat
H. Water
Answer: | B | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
bacteria have no membrane-bound organelles and lack what?
A. nucleus
B. epidermal
C. Joules
D. alveoli
E. glucose
F. Epidermis
G. oxygen
H. PDAs
Answer: | A | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What does breathing pollutants do?
A. Harms the respiratory system
B. destroying life
C. scraping oneself on a contaminated object
D. direct damage to the lungs
E. cause people to become sick.
F. Heals the respiratory system
G. Harms the stomach
H. Improves vision
Answer: | A | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the most common fossil fuel?
A. methane
B. uranium
C. coal
D. diesel oil
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The $n^2$ problem ...
A. is dealt with thanks to Moore's Law.
B. is a consequence of Murphy's Law.
C. is a direct consequence of the Kerchkoffs Principles.
D. appears when $n$ users need to communicate to each other using a symmetric cipher.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
As the temperature of water decreases what happens to the speed of the water molecules?
A. evaporate
B. move faster
C. begin to boil
D. slow down
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
If I wanted to transfer warmth another being I might
A. pour cold water on them
B. put ice in their pants
C. touch their sides with mine
D. let them sit outside in snow
Answer: | C | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Ciliary muscles control the shape of the lens, which bends light and focuses it on what?
A. the retina
B. the cornea
C. the vitreous fluid
D. the pupil
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What rises through solid rocks where conditions are right?
A. nitrogen
B. water
C. magma
D. crystals
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A seeing eye dog is able to do this better than his master:
A. open a door
B. speak out loud
C. talk to friends
D. observe visually
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
We are given a data set $S=\left\{\left(\boldsymbol{x}_{n}, y_{n}\right)\right\}$ for a binary classification task where $\boldsymbol{x}_{n}$ in $\mathbb{R}^{D}$. We want to use a nearestneighbor classifier. In which of the following situations do we have a reasonable chance of success with this approach? [Ignore the issue of complexity.]
A. $n \rightarrow \infty, D$ is fixed
B. $ n \rightarrow \infty, D \ll \ln (n)$
C. $ n=D^2, D \rightarrow \infty$
D. $ n$ is fixed, $D \rightarrow \infty$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are scientists called who study the weather and give forecasts?
A. geologists
B. botanists
C. meteorologists
D. climatologists
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The Moore law
A. implies the key size is doubled every every 18 months to preserve confidentiality
B. says that CPU speed doubles every 18 months
C. has no relevance for cryptography since it only considers speed of computation
D. states that anything that can go wrong will
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
If no unbalanced force acts on an object the object remains at constant velocity or what?
A. constant movement
B. constant
C. at rest
D. rotating
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which flag prevents user programs from reading and writing kernel data?
A. PTE_P
B. PTE_U
C. PTE_D
D. PTE_W
Answer: | B | 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 matter that does not let any light pass through?
A. mirrored
B. dark
C. opaque
D. reflective
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider the following CF grammar \(G_1\)
\( R_1: \text{S} \rightarrow \text{NP VP} \)
\( R_2: \text{S} \rightarrow \text{NP VP PNP} \)
\( R_3: \text{PNP} \rightarrow \text{Prep NP} \)
\( R_4: \text{NP} \rightarrow \text{N} \)
\( R_5: \text{NP} \rightarrow \text{Det N} \)
\( R_6: \text{NP} \rightarrow \text{Det N PNP} \)
\( R_7: \text{VP} \rightarrow \text{V} \)
\( R_8: \text{VP} \rightarrow \text{V NP} \)
(where \(\text{Det}\), \(\text{N}\), \(\text{Prep}\) and \(\text{V}\) are the only pre-terminals), complemented by an adequate lexicon \(L_1\).Assume that the grammar \(G_1\) has been associated with a valid choice of probabilistic coefficients, but then needs to be converted into an equivalent SCFG in extended Chomsky Normal form.Is it possible to derive the stochastic coefficients of the grammar resulting from the conversion from the ones of \(G_1\)?
A. Yes
B. No
C. It depends on how the conversion has been done.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Decay of what provides some of earth's internal heat?
A. ionic elements
B. decaying elements
C. radioactive compounds
D. radioactive elements
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Suppose that q is density reachable from p. The chain of points that ensure this relationship are {t,u,g,r} Which one is FALSE?
A. {t,u,g,r} have to be all core points.
B. p and q will also be density-connected
C. p has to be a core point
D. q has to be a border point
Answer: | D | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What causes harm to living things?
A. arsenic compounds
B. a pathogens
C. tapeworms
D. deforestation
E. deoxyribonucleic acid
F. Pesticides
G. cigarettes
H. fossil fuels
Answer: | A | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of the following statement(s) is/are true about Safe Exception Handling (SEH)?
A. Neither SafeSEH nor SeHOP checks the order and number of exception handlers.
B. The implementation of SEH is compiler specific.
C. SEH is a defense that protects C/C++ programs against control-flow hijack attacks through changing exception data structures.
D. SafeSEH provides stronger protection than SeHOP.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which pathway carries somatosensory information from the face, head, mouth, and nasal cavity?
A. dual pathway
B. cranial pathway
C. trigeminal pathway
D. posterior pathway
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Given the following data structure: enum IntSet: \t case Empty \t case NonEmpty(x: Int, l: IntSet, r: IntSet) And the following lemmas, holding for all x: Int, xs: List[Int], ys: List[Int], l: IntSet and r: IntSet: (SizeNil) nil.size === 0 (SizeCons) (x :: xs).size === xs.size + 1 (ConcatSize) (xs ++ ys).size === xs.size + ys.size (TreeSizeEmpty) Empty.treeSize === 0 (TreeSizeNonEmpty) NonEmpty(x, l, r).treeSize === l.treeSize + r.treeSize + 1 (ToListEmpty) Empty.toList === nil (ToListNonEmpty) NonEmpty(x, l, r).toList === l.toList ++ (x :: r.toList) Let us prove the following lemma for all s: IntSet: (ToListSize) s.toList.size === s.treeSize We prove it by induction on s. Base case: s is Empty. Therefore, we need to prove: Empty.toList.size === Empty.treeSize Starting from the left hand-side (Empty.toList.size), what exact sequence of lemmas should we apply to get the right hand-side (Empty.treeSize)?
A. SizeNil, ToListEmpty, TreeSizeEmpty
B. ToListEmpty, TreeSizeEmpty, SizeNil
C. SizeNil, TreeSizeEmpty, ToListEmpty
D. TreeSizeEmpty, SizeNil, TreeSizeEmpty
E. ToListEmpty, SizeNil, TreeSizeEmpty
F. TreeSizeEmpty, ToListEmpty, SizeNil
Answer: | E | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In x86, select all synchronous exceptions?
A. Divide error
B. Timer
C. Page Fault
D. Keyboard
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are genes located on the same pair?
A. fused
B. complex
C. nuclear
D. animals
E. cells
F. linked
G. offspring
H. alleles
Answer: | F | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Why can metals expand?
A. tectonic plates being pushed together
B. they are shiny
C. flow of electrons
D. matter vibrating
E. they have large specific heats
F. they are hard
G. they can rust
H. electron transport
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
hormones control many cell activities and are important to what?
A. h2o
B. an organism's body
C. weather
D. increases a body's strength
E. production of energy
F. Transfers energy
G. maintaining density
H. chemical equilibrium of body
Answer: | H | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Chromosomal alterations are mutations that change what?
A. detected structure
B. discovery structure
C. chromosome structure
D. Skeleton Structure
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \emph{false} assertion. The ambiguity issue in the decryption algorithm of the Rabin cryptosystem can be solved by\dots
A. encrypting the message twice.
B. encrypting the message appended to itself.
C. appending some integrity checks to the message before encryption.
D. ensuring that the other possible plaintexts make no sense.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Digestion of polysaccharides and disaccharides in the small intestine produces glucose and other?
A. monosaccharides
B. nitrates
C. fat
D. protein
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the ph level for pure water?
A. ph of 6.47
B. ph of 3.17
C. ph of 7
D. pH of 0
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Carbon in organic compounds are passed through the food web from what?
A. it helps plants in growing
B. Burning fuel and air
C. members of their own species
D. people to dogs
E. herbivores to carnivores
F. carnivores to plants
G. passenger pigeons
H. predators to prey
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are the high points of a transverse wave called?
A. ridges
B. crests
C. troughs
D. peaks
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Harmful instances of what can result in errors in protein sequence that yield non-functional proteins?
A. infection
B. radiation
C. bioaccumulation
D. mutation
Answer: | D | sciq |
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.
Heavy rains cause flooding which
A. soak fields
B. create dams
C. feed fish
D. ruin crops
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Select \emph{incorrect} statement. The brute force technique against a cipher with key $256$ bits is
A. impossible even if we can compute without burning an energy.
B. impossible since the number of possible keys is too high $2^{256} \approx 10^{77}$.
C. impossible in future even if we consider Moore's law.
D. feasible using all clusters at EPFL.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is most of the water used in agriculture used for?
A. irrigation
B. sowing
C. cleaning
D. construction
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Pinocytosis or "cellular drinking," occurs when the plasma membrane folds inward to form a channel allowing dissolved substances to enter what?
A. proteins
B. nucleus
C. cell
D. homeostasis
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Changing electric and mnagnetic fields radiate outward when?
A. charged particles accelerate
B. firing particles accelerate
C. particles lose their charge
D. particles multiply
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are most buildings heated with?
A. a hydraulic system
B. electromagnetic energy
C. compound of hydrogen oxygen
D. Movement of an air mass
E. cellulose
F. turbine generators
G. lowered energy cost
H. direct energy
Answer: | F | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $C$ be a perfect cipher with $\ell$-bit blocks. Then, \dots
A. for $x_1 \neq x_2$, $\Pr[C(x_1) = y_1, C(x_2)=y_2] = \frac{1}{2^{2\ell}}$.
B. the size of the key space of $C$ should be at least $(2^{\ell}!)$.
C. given pairwise independent inputs to $C$, the corresponding outputs are independent and uniformly distributed.
D. $C$ has an order $3$ decorrelation matrix which is equal to the order $3$ decorrelation matrix of a random function.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The rhino population is smaller than before because
A. cars crashed into rhinos
B. lions have become more effective at hunting rhinos
C. global warming has increased temperatures
D. people use parts for health remedies
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What results in changing from a gas into a liquid by reducing heat energy?
A. exposure to cold
B. degrees celcius
C. molecules joining together
D. rain or sun shine
E. Warm air moving into cold air
F. molecules separating
G. molecules becoming nothing
H. molecules exploding
Answer: | C | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
How thick is the earth's continental crust, on average?
A. 35 kilometers
B. 60 kilometers
C. 25 kilometers
D. 15 kilometers
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
If I yell out to a co worker which occupation would have a scenario where it is impossible to respond for scientific reasons?
A. astronaut
B. lumberjack
C. fisherman
D. miner
Answer: | A | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
If the body goes without its requirements a person will eventually get what after a few days
A. healthy
B. death
C. HIV
D. Toxins
E. sick
F. loss
G. tall
H. well nourished
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A major specificity of natural languages is that they are inherently implicit and ambiguous. How should this be taken into account in the NLP perspective?
(penalty for wrong ticks)
A. by teaching humans to talk and write in a way that reduces implicitness and ambiguity
B. by designing NLP algorithms and data structures able to efficiently cope with very ambiguous representations
C. by interacting with human experts to formulate precise interpretation rules for linguistic entities
D. by increasing the amount of a priori knowledge that NLP systems are able to exploit
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which type of plankton make food via photosynthesis?
A. common plankton
B. dinoflagellates
C. zooplankton
D. phytoplankton
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What would burn more quickly?
A. wet log
B. green leaves
C. soggy tree trunk
D. sun dried branches
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are known as the building blocks of proteins?
A. organism acids
B. protein acids
C. amino acids
D. bases
Answer: | C | sciq |
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 are the areas located at fixed distances from the nucleus of the atom?
A. orbit points
B. energy levels
C. molar levels
D. atomic regions
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What collects something that consists of tiny grains that are the male gametes of plants
A. Energy
B. bees
C. amoebas
D. roses
E. honey
F. food
G. wheat
H. seeds
Answer: | B | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What type of generators use electromagnetic induction to change kinetic energy to electrical energy?
A. thermal generators
B. radiators
C. conductors
D. electric generators
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What do some animals do to adjust to hot temperatures?
A. they run
B. they hunt
C. they perspire
D. they fly
Answer: | C | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What has a complex nervous system?
A. insects
B. Airplanes
C. Rocks
D. elephants
E. humans
F. animals
G. h2o
H. Cephalopods
Answer: | H | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
If a beach is experiencing sneaker waves, which are very dangerous, it is likely due to
A. our sun
B. luna
C. our trees
D. our skies
Answer: | B | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
For his awesome research, Tugrulcan is going to use the Pagerank with teleportation and HITS algorithm, not on a network of webpages but on the retweet network of Twitter! The retweet network is a directed graph, where nodes are users and an edge going out from a user A and to a user B means that "User A retweeted User B". Which one is FALSE about a Twitter bot that retweeted other users frequently but got never retweeted by other users or by itself?
A. It will have a non-zero hub value.
B. It will have an authority value of zero.
C. It will have a pagerank of zero.
D. Its authority value will be equal to the hub value of a user who never retweets other users.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is another term for stored energy?
A. potential energy
B. mechanical energy
C. inertia
D. latency
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Carboxylic acids are weak acids, meaning they are not 100% ionized in what?
A. air
B. liquid
C. ethanol
D. water
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A plant requires what to grow?
A. Something that is created on Mars
B. Something made primarily of oxygen and nitrogen
C. Something that is found on Jupiter
D. Something that take eight minutes to travel to the Earth
E. Basic units of the plant body.
F. keeping food fresh for long periods of time
G. Something that comes from the Moon
H. Something whose growth is discouraged by heavy wet soils
Answer: | D | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Mass can be destroyed to release what?
A. energy
B. mass
C. velocity
D. acceleration
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What do we call coiled structures made of dna and proteins?
A. Molecules
B. chromosomes
C. Organisms
D. nodes
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What do radiators use to heat buildings?
A. coal
B. CFCs
C. Solar power
D. Oil
E. Oxygen
F. hot
G. Hydrogen
H. fuse
Answer: | D | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What divides into two parts to reproduce?
A. bushes
B. legumes
C. elephants
D. sheep
E. embryos
F. dogs
G. mitosis
H. yeast
Answer: | H | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Looking at what has a negative impact on the eyes?
A. Pollution
B. Allergies
C. disease
D. the sun
E. clouds
F. sun's heat
G. the moon
H. glasses
Answer: | D | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which measure shows how individuals in a population are distributed, or spread throughout their area?
A. population phase
B. proportional distribution
C. population distribution
D. geographical distribution
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider the following mysterious binary encoding:egin{center} egin{tabular}{c|c} symbol & encoding \ \hline $a$ & $??0$\ $b$ & $??0$\ $c$ & $??0$\ $d$ & $??0$ \end{tabular} \end{center} where with '$?$' we mean that we do not know which bit is assigned as the first two symbols of the encoding of any of the source symbols $a,b,c,d$. What can you infer on this encoding assuming that the code-words are all different?
A. The encoding is uniquely-decodable.
B. The encoding is uniquely-decodable but not prefix-free.
C. We do not possess enough information to say something about the code.
D. It does not satisfy Kraft's Inequality.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Where do green plants grow best?
A. dark corners
B. soils
C. outside
D. on Mars
E. mild
F. indoors
G. loose soil
H. Light
Answer: | C | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the term for a scalar measure of how quickly an object is moving along this line?
A. force
B. velocity
C. motion
D. speed
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Molecules of tRNA and amino acids are assembled where?
A. nucleoli
B. A computer
C. Cooking
D. Most plants
E. boiling
F. animals
G. Power plants
H. retina
Answer: | A | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is it called when the nucleus of an atom splits into two smaller nuclei?
A. nuclear fusion
B. cell division
C. nuclear fission
D. complex fission
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
An electron microscope can look at
A. my emotions
B. an elephant
C. a dog
D. my common cold
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A plant will get more light energy
A. if it drinks power drinks
B. if the trees cover it
C. if it gets more rain
D. if the leaves are bigger
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What type of barrier physically blocks pathogens from entering the body?
A. potential
B. Solid
C. molecular
D. mechanical
Answer: | D | sciq |
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 algorithm to perform optimization with gradient descent? Actions between Start loop and End loop are performed multiple times. (One answer)
A. 1 Start loop, 2 Initialize weights, 3 Compute gradients, 4 Update weights, 5 End loop
B. 1 Initialize weights, 2 Compute gradients, 3 Start loop, 4 Update weights, 5 End loop
C. 1 Initialize weights, 2 Start loop, 3 Update weights, 4 End loop, 5 Compute gradients
D. 1 Initialize weights, 2 Start loop, 3 Compute gradients, 4 Update weights, 5 End Loop
Answer: | D | 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 environmental causes of mutations?
A. carcinogens
B. mutagens
C. pollutants
D. catalysts
Answer: | B | sciq |
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