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The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The Time-Memory Tradeoff Attack ...
A. is useful for finding a preimage within complexity $O\big(\big({\frac{2}{3}}\big)^N\big).$
B. is useful for finding a preimage within complexity $O(N^{\frac{2}{3}}).$
C. is a dedicated method which works only on SHA1.
D. can be combined with birthday paradox to find the order of the group in RSA efficiently.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Solid bedrock vibrates less and therefore does less of what to bedrock?
A. damage
B. dampen
C. butress
D. block
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Lava on the ocean floor may build up upon itself. This is where
A. birds may be thinking
B. lone land mass develops
C. musical notes are heard
D. fish are buried in sand
Answer: | B | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
All chordates are deuterostomes possessing a what?
A. notochord
B. endoderm
C. zygote
D. hydrochord
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the minimum number of pulleys needed for a compound pulley?
A. zero
B. 1
C. 4
D. 2
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of the following statements is wrong regarding RDF?
A. An RDF statement would be expressed in SQL as a tuple in a table
B. Blank nodes in RDF graphs correspond to the special value NULL in SQL
C. The object value of a type statement corresponds to a table name in SQL
D. RDF graphs can be encoded as SQL databases
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 a rainbow?
A. chemical messengers
B. desire
C. heating liquids
D. dreams
E. Sunlight and clouds
F. colors of the spectrum
G. Water and ice
H. Electrical energy
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A polar bear is white because
A. it's a lame Turkish professor in a third rate Pennsylvanian college
B. it's covered in polar snow ice
C. it wants to make a Grizzly bear jealous
D. its parents had white fur
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Some 96% of the dry mass consists of organic compounds produced by what?
A. electrolysis
B. photosynthesis
C. erosion
D. reproduction
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Most fungi can reproduce in which 2 ways?
A. sexually and autonomously
B. binary fission and fusion
C. sexually and binary fusion
D. asexually and sexually
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which phenomena can severely damage soils and crops?
A. lunar eclipse
B. solar eclipse
C. electricty
D. heat
E. wind
F. fire
G. Winter
H. rivers
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
How do the vast majority of fish reproduce?
A. by budding
B. sexually
C. asexually
D. cloning
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which one of the following notions means that ``the information should make clear who the author of it is''?
A. authentication
B. steganograhy
C. privacy
D. confidentiality
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The crocodilia order, which includes crocodiles, alligators, caimans, and gharils, is part of what class of animals?
A. reptiles
B. parasites
C. mammals
D. aquatic
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In science, what is a bit of information that is true?
A. a fact
B. lie
C. falsehood
D. theory
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What organism is at the top of the energy pyramid?
A. herbivore
B. primate
C. carnivore
D. insects
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the most common type of organic compound?
A. carbohydrates
B. fats
C. vitamins
D. proteins
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What causes clear weather?
A. Animal survival
B. looseness of dirt or compost
C. the looseness of soil
D. windpower operated machines
E. our nearest star
F. The area was once underwater
G. electromagnetic energy
H. Something from Bermuda
Answer: | H | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Some farmers make a very good living because the crops they grow are sold to lots of people for
A. feeding to Mars
B. sustenance
C. gravity
D. metal
Answer: | B | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are steroid hormones made of?
A. bacteria
B. fats
C. sugar
D. muscle
E. H 2 O
F. sunlight
G. the Sun
H. SO2
Answer: | B | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
celestial bodies are known to
A. circle balls of hydrogen
B. travel through deep space
C. crash into each other
D. slingshot around the galaxy
Answer: | A | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Plants require what for life-long learning?
A. Light
B. protein
C. Energy.
D. gametes
E. genes
F. water
G. energy
H. oxygen
Answer: | F | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
red hornets can sting you multiple times with their
A. poison sack
B. knife
C. spears
D. rears
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the amorphous form of carbon prepared by the incomplete combustion of natural gas?
A. dark black
B. carbon black
C. dioxide black
D. liquid black
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
New resources required for creation can be reduced through:
A. mining
B. mutations
C. fossil fuels
D. virgin plastic
E. competition
F. deforestation
G. recycling
H. Evaporation
Answer: | G | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $\mathcal C_1$ be a linear code over $\mathbb F_3^n$, and let $\mathcal C_2$ be a linear code over $\mathbb F_2^n$. True or false: $\mathcal C_1 \cap \mathcal C_2$ is necessarily a linear code over $\mathbb F_3^n$.
A. False
B. True
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A renewable resource you can find on Earth is
A. stars
B. Oil
C. sand clay
D. fossil fuels
Answer: | C | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Fishes were the earliest example of what subphylum, and jawless fishes were the earliest of these?
A. vertebrates
B. mammals
C. grasses
D. ferns
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What causes rain to fall?
A. a hydraulic system
B. Water expanding
C. kinetic energy
D. heating liquids
E. Condensation
F. Evaporation
G. fossil fuels
H. circulatory system
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What molecules are are encoded with instructions that tell cells what to do?
A. Earth revolving around the sun
B. mitosis
C. philtrums
D. viruses
E. allow growth
F. A Greek letter
G. Plant growth is reduced
H. deoxyribonucleic acid
Answer: | H | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are ships used for?
A. teleportation
B. moving people across oceans
C. production of energy
D. reusing materials
E. moving people through magma
F. A transportation fuel
G. rotating around the Earth
H. exchange information
Answer: | B | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Fine-grained mud in the deep ocean comes from silts and clays brought from the land by?
A. wind
B. water
C. fire
D. waves
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Suppose that you can prove the security of your symmetric encryption scheme against the following attacks. In which case is your scheme going to be the \textbf{most} secure?
A. Key recovery under known plaintext attack.
B. Key recovery under chosen ciphertext attack.
C. Decryption under known plaintext attack.
D. Decryption under chosen ciphertext attack.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is absorbed from food waste in the large intestine before it passes out of the body as feces?
A. dependent water
B. distilled water
C. excess water
D. inactive water
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The exponent of the group $\mathbb{Z}_9^*$ is
A. 6.
B. 9.
C. 8.
D. 3.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Resistors connected end to end are said to be in what?
A. lines
B. groups
C. parallel
D. series
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can behaviors be?
A. dangerous
B. positive
C. movement
D. protect them
E. harmful substances
F. smoking cigarettes
G. Fun to learn
H. mechanical
Answer: | G | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what gets increased in the soil from decomposition?
A. sugar
B. glycogen
C. energy
D. bushes
E. bamboo
F. cations
G. bacteria
H. Energy.
Answer: | F | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Blood calcium levels are tightly regulated by the what system?
A. digestive
B. nervous
C. endocrine
D. cardiovascular
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can reduce fuel usage?
A. airplanes
B. adding heat
C. trains
D. evaporation
E. buses
F. Metling snow
G. car pools
H. exercise
Answer: | G | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
According to the Kerckhoffs Principle:
A. The internal design of a cryptosystem should be public.
B. The internal design of a cryptosystem should \emph{not} be public.
C. If there is a single security hole in a cryptosystem, somebody will discover it.
D. The security of the cryptosystem should \emph{not} rely on the secrecy of the cryptosystem itself.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What has a positive impact on an ecosystem?
A. mussels
B. hurricanes
C. invasive species
D. Frogs
E. stay warm
F. animals
G. wildfires
H. oxygen
Answer: | H | qasc |
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.
Tick the \emph{incorrect} assertion. In a multiplicative cyclic group $G$ of order $m > 1$ with neutral element $e_G$ \ldots
A. $\lambda = m$, where $\lambda$ is the exponent of $G$.
B. the order of every element $x \in G$ is $m$.
C. there exists $g \in G$ that generates the whole group.
D. for any $x \in G$, we have that $x^m = e_{G}$.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What does sunlight do for a plant?
A. during the day
B. Kills it
C. it can be seen
D. Helps it survive
E. Helps it drink water
F. It gets heated up
G. adding heat
H. Makes the color darker
Answer: | D | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Above a stove, where a pot of water boils, is a hood. The steam from the pot rises to the hood and
A. gathers up
B. burns up dry
C. freezes solid
D. makes zero sense
Answer: | A | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Where are feces formed?
A. small intestine
B. large intestine
C. duodenum
D. liver
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Carbon dioxide is an example of a material that easily undergoes what?
A. amplification
B. spontaneous mutation
C. sublimation
D. decomposition
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \emph{incorrect} assertion. In a multiplicative cyclic group $G$ of order $m > 1$ with neutral element $e_G$ \ldots
A. $\lambda = m$, where $\lambda$ is the exponent of $G$.
B. the order of every element $x \in G$ is $m$.
C. there exists $g \in G$ that generates the whole group.
D. for any $x \in G$, we have that $x^m = e_{G}$.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Roundworms reproduce by combining an egg and sperm to form what?
A. larvae
B. plants
C. offspring
D. Flowers
E. seeds
F. infants
G. kittens
H. puppies
Answer: | A | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What temperature are icebergs?
A. kalenchoes
B. Warmer
C. 100 Degrees Celsius
D. dormant
E. Warm
F. near the shoreline
G. watershred
H. Freezing cold
Answer: | H | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What requires nutrients to grow and heal?
A. birds
B. computers
C. dirt
D. metals
Answer: | A | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The decline of speed is associated with what?
A. an object gaining energy
B. a lot of human deaths
C. decrease stamina
D. hyperthyroidism
E. an object losing energy
F. an object gaining momentum
G. body temperature reduces
H. an object going faster
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A plane mirror has a flat reflective surface and forms only which kind of images?
A. virtual
B. enlarged
C. spherical
D. reduced
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
About 50% of all animal species died off between the mesozoic and which other era?
A. precambrian
B. jurassic
C. cretaceous
D. cenozoic
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Rh antibodies can prove dangerous if they cross what barrier in pregnancy?
A. placental
B. embryo
C. fungal
D. stomach
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What helps an animal move through a river better?
A. salinity
B. scales
C. long snout
D. long tail
E. contracting
F. stamina
G. long fur
H. four limbs
Answer: | D | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are the vertical columns of similar chemical properties on the periodic table?
A. zones
B. groups
C. Pods
D. Family
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A false negative in sampling can only occur for itemsets with support smaller than
A. the threshold s
B. p*s
C. p*m
D. None of the above
Answer: | D | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Alpha emission is a type of what?
A. radiation
B. light
C. heat
D. radioactivity
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Why does photosynthesis not occur in the deep-water zone?
A. it is pressurized
B. it is dark
C. it is cold
D. it is stagnant
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is more likely to have caused pollution in the air?
A. it developed on its own
B. a hurricane
C. an action by a business
D. a flock of birds
Answer: | C | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Making associations between experiences is often a part of what activity?
A. sleeping
B. dying
C. learning
D. eating
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are microscopic vessels with very thin, porous walls?
A. valves
B. arteries
C. veins
D. capillaries
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A light bulb will turn on when what flows to it?
A. fire
B. zapping energy
C. wind
D. water
Answer: | B | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Polyps do not use:
A. visible energy
B. an organism's body
C. gamete fusion
D. Pesticides
E. Electrical energy
F. heat or cold
G. harmful substances
H. heat energy
Answer: | C | qasc |
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.
Select all statements that are true.A penalty will be applied for any wrong answers.
A. Phrase-structure grammars are relatively better suited for fixed-order languages than free-order languages.
B. Dependency grammars describe functional dependencies between words in a sequence.
C. Phrase-structure grammars better describe selectional constraints.
D. The expressive power of context-free grammars are higher than that of context-dependent grammars.
E. Any context-free grammar can be transformed into Chomsky-Normal form.
F. Dependency grammars better describe positional constraints.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Why do block ciphers use modes of operation?
A. it is necessary for the decryption to work.
B. to be provably secure.
C. to use keys of any size.
D. to encrypt messages of any size.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are surface currents generally caused by?
A. major steam belts
B. minor wind belts
C. major wind belts
D. major humidity belts
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In ElGamal signature scheme, if we avoid checking that $0 \leq r < p$ then \ldots
A. \ldots a universal forgery attack is possible.
B. \ldots an existential forgery attack is avoided.
C. \ldots we can recover the secret key.
D. \ldots we need to put a stamp on the message.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Suppose a file system used only for reading immutable files in random fashion. What is the best block allocation strategy?
A. Linked-list allocation
B. Continuous allocation
C. Index allocation with B-tree
D. Index allocation with Hash-table
Answer: | B | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider a linear regression problem with $N$ samples $\left\{\left(\boldsymbol{x}_{n}, y_{n}\right)\right\}_{n=1}^{N}$, where each input $\boldsymbol{x}_{n}$ is a $D$-dimensional vector $\{-1,+1\}^{D}$, and all output values are $y_{i} \in \mathbb{R}$. Which of the following statements is correct?
A. Linear regression always "works" very well for $N \ll D$
B. A linear regressor works very well if the data is linearly separable.
C. Linear regression always "works" very well for $D \ll N$
D. None of the above.
Answer: | D | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What receives blood in the heart?
A. chamber
B. the atria
C. the epidermis
D. ventricle
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The training loss of the 1-nearest neighbor classifier is always zero.
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 Time-Memory Tradeoff Attack ...
A. is useful for finding a preimage within complexity $O\big(\big({\frac{2}{3}}\big)^N\big).$
B. is useful for finding a preimage within complexity $O(N^{\frac{2}{3}}).$
C. is a dedicated method which works only on SHA1.
D. can be combined with birthday paradox to find the order of the group in RSA efficiently.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What attaches a muscle to a bone?
A. tendons
B. veins
C. arteries
D. marrow
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of the following operations would switch the user program from user space to kernel space?
A. Dividing integer by 0.
B. Calling sin() in math library.
C. Invoking read() syscall.
D. Jumping to an invalid address.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The earliest cells were called what?
A. eukaryotes
B. carbohydrates
C. prokaryotes
D. microcytes
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Chewing a bite of bread mixes it with what and facilitates its chemical breakdown?
A. chyme
B. interstitial fluid
C. saliva
D. calcium
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Involved in balance, the semicircular canals are parts of what organs?
A. eyes
B. ears
C. lungs
D. ovaries
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what causes brain atrophy?
A. Smoking
B. sodium
C. Dehydration
D. sweating
E. death
F. birth
G. Veins and arteries.
H. lack of oxygen
Answer: | H | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A living thing requires what to grow?
A. support
B. nutriment
C. toys
D. plastic
Answer: | B | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Most of what kind of animal have good eyesight and a good sense of smell?
A. have a positive impact on the environment
B. members of their own species
C. Something that makes plants green
D. passenger pigeons
E. Something with a head, thorax, and abdomen
F. Something that is self-aware
G. competing for resources
H. animals in the class reptilia
Answer: | H | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What laboratory instrument is used to analyze and test for static charge?
A. microscope
B. microtome
C. electroscope
D. bunsen burner
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the advantage of selecting for certain genetic traits for crops?
A. promotes productivity
B. Faster growth
C. protection from pests
D. improves taste
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Some what are beneficial to humans?
A. fungi
B. parasites
C. roots
D. humans suffering
E. natural disasters
F. honeybees
G. poisons
H. orchids
Answer: | B | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \textbf{false} assertion. A distinguisher \ldots
A. \ldots can break PRNG.
B. \ldots is an algorithm calling an oracle.
C. \ldots recovers the secret key of a stream cipher.
D. \ldots can differentiate the encryption of two known plaintexts.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider a linear regression model on a dataset which we split into a training set and a test set. After training, our model gives a mean-squared error of 0.1 on the training set and a mean-squared error of 5.3 on the test set. Recall that the mean-squared error (MSE) is given by:
$$MSE_{ extbf{w}}( extbf{y}, extbf{X}) = rac{1}{2N} \sum_{n=1}^N (y_n - extbf{x}_n^ op extbf{w})^2$$
Which of the following statements is extbf{correct} ?
A. Retraining the model with feature augmentation (e.g. adding polynomial features) will increase the training MSE.
B. Using cross-validation can help decrease the training MSE of this very model.
C. Retraining while discarding some training samples will likely reduce the gap between the train MSE and the test MSE.
D. Ridge regression can help reduce the gap between the training MSE and the test MSE.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What do mammals use to conserve heat?
A. energy
B. Energy.
C. fur and fat
D. blood
E. haircoat
F. food
G. body water
H. tail
Answer: | E | 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.
what does lighting it cause a candle?
A. it stays same
B. none of these
C. it gets shorter
D. it gets taller
Answer: | C | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
When dissolved in water, the base sodium hydroxide (naoh) produces sodium ions with what charge?
A. similar
B. constant
C. positive
D. negative
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can be formed by carbonic acid in groundwater seeping through rock and dissolving limestone?
A. water
B. swamp vegetation
C. Calcium carbonate
D. sunlight
E. contamination
F. loose soil
G. underground caves
H. arsenic
Answer: | G | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
deserts are a location where wind transport can deposit what
A. plant
B. rocks
C. crust
D. grains
E. money
F. sand
G. matter
H. soils
Answer: | F | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Within each sporangium, hundreds of what kind of spores develop and are dispersed through the air?
A. infertile
B. polyploid
C. diploid
D. haploid
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider any block cipher $C$ and a uniformly distributed random permutation $C^*$ on $\{0,1\}^\ell$. Then, for any $n \ge 1$ we always have\dots
A. $[C^* \circ C]^n = [C]^n$
B. $[C^* \circ C]^n = [C^*]^n$
C. $[C^* \circ C]^n = [C]^{2n}$
D. $[C^* \circ C]^n = [C]^n + [C^*]^n$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Oxygen is essentially just a waste product of the light reactions of what?
A. electrolysis
B. photosynthesis
C. Fibrinolysis
D. glycolysis
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $X$ be a plaintext and $Y$ its ciphertext. Which statement is \textbf{not} equivalent to the others?
A. the encyption scheme provides perfect secrecy
B. only a quantum computer can retrieve $X$ given $Y$
C. $X$ and $Y$ are statistically independent random variables
D. the conditionnal entropy of $X$ given $Y$ is equal to the entropy of $X$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of the following is NOT an (instance-level) ontology?
A. Wordnet
B. WikiData
C. Schema.org
D. Google Knowledge Graph
Answer: | C | m1_preference |
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