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The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $S$ be a random variable taking values in $\{a,b,c,d,e\}$ with the following probabilities. $$
\begin{array}{|c|c|c|c|c|c|}
\hline & a & b & c & d & e \\
\hline p_S(\cdot) & 1/3 & 1/3 & 1/9 & 1/9 & 1/9\\
\hline
\end{array}$$ Let $\Gamma_D$ be the $D$-ary Huffman code for $S$. Let $L(S,\Gamma_D)$ be the average codeword-length of $\Gamma_D$, and let $H_D(S)$ be the $D$-ary entropy of $S$. True or false: If $D=3$, then $L(S,\Gamma_D) = H_D(S)$.
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.
Thicker layers of skin would best suit
A. a bird
B. a scorpion
C. a lizard
D. a leopard seal
Answer:
|
D
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What kind of cell is a cell with two chromosomes?
A. haploid cells
B. neurotic cell
C. mutated cell
D. diploid cell
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which is immobile?
A. adult starfish
B. all matter
C. adult goldfish
D. gastropod shells
E. tadpoles
F. adult sponges
G. an object
H. an organism's body
Answer:
|
F
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Modularity of a social network always:
A. Increases with the number of communities
B. Increases when an edge is added between two members of the same community
C. Decreases when new nodes are added to the social network that form their own communities
D. Decreases if an edge is removed
Answer:
|
B
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What term refers to the conditions of the atmosphere from day to day?
A. temperture
B. weather
C. climate
D. humidity
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The atmosphere is made of 78% what?
A. N
B. fire
C. clouds
D. wind
Answer:
|
A
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Equilibriums are affected by changes in concentration, total pressure or volume, and this?
A. temperature
B. rate
C. oxygen
D. time
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Where do orchids keep water?
A. In their leaves
B. dormant state
C. it needs them
D. by indirect light
E. By coral exoskeletons
F. near the shoreline
G. cellulose
H. they body they live in
Answer:
|
A
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Select all the statements that are true.A penalty will be applied for any incorrect answers selected.
A. The Luhn law states that if a set of words are ranked by the decreasing order of their frequencies, the high-ranked words are the best features for identifying the topics that occur in the document collection.
B. The order of words are ignored in the bag-of-words model.
C. High values of document frequency means that the word is not very discriminative.
D. Documents that are orthogonal to each other gives a cosine similarity measure of 1.
E. Cosine similarity is independent of the length of the documents.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what falls on the windward side of the mountain range?
A. density
B. west
C. signs of life
D. rain
E. waves
F. Vapor
G. Inches
H. snow
Answer:
|
D
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Human evolution shows that evolutionary changes typically occur at what pace?
A. sudden
B. rapid
C. uneven
D. slow
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
$\mathbb{Z}_{37}^*$ denotes ...
A. a field.
B. an additive group.
C. a multiplicative group.
D. a ring.
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 statements are correct?
A. One iteration of standard SGD for SVM costs roughly $\Theta(D)$, where $D$ is the dimension.
B. Unions of convex sets are convex.
C. Hinge loss (as in SVMs) is typically preferred over L2 loss (least squares loss) in classification tasks.
D. In PCA, the first principal direction is the eigenvector of the data matrix $\boldsymbol{X}$ with largest associated eigenvalue.
E. MSE (mean squared error) is typically more sensitive to outliers than MAE (mean absolute error).
F. One iteration of standard SGD for logistic regression costs roughly $\Theta(N D)$, where $N$ is the number of samples and $D$ is the dimension.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What do earthworms do when a segment breaks off
A. Dies
B. Regrows it
C. Reproduces
D. Sediment
E. root growth
F. migrate
G. Stops growing
H. roots
Answer:
|
B
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What provides a protective covering for the body and helps maintain homeostasis?
A. endorcrine system
B. integumentary system
C. lysogenic system
D. unadorned system
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
How do molecules react when a gas is heated?
A. they move slower
B. they disintegrate
C. they move faster
D. they explode
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Applying SVD to a term-document matrix M. Each concept is represented in K
A. as a singular value
B. as a linear combination of terms of the vocabulary
C. as a linear combination of documents in the document collection
D. as a least squares approximation of the matrix M
Answer:
|
B
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of the following tasks would typically not be solved by clustering?
A. Community detection in social networks
B. Discretization of continuous features
C. Spam detection in an email system
D. Detection of latent topics in a document collection
Answer:
|
C
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Pressure relationships inspiration (or inhalation) and expiration (or exhalation) are dependent on the differences in pressure between the atmosphere and these?
A. lungs
B. salts
C. bones
D. enzymes
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Suppose you have a search engine that retrieves the top 100 documents and
achieves 90% precision and 20% recall. You modify the search engine to
retrieve the top 200 and mysteriously, the precision stays the same. Which one
is CORRECT?
A. The recall becomes 10%
B. The number of relevant documents is 450
C. The F-score stays the same
D. This is not possible
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 modern periodic table based on?
A. atomic number
B. element mass
C. element density
D. metallic number
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
If heat is conducted to an object what will that object do?
A. heating liquids
B. Cool down
C. enormous damage to homes
D. It gets heated up
E. dangerous
F. Become colder
G. Emit more energy
H. Create wealth
Answer:
|
G
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $\mathcal{C}$ be the $(6,3)$ linear code on $\mathbb{F}_3$ whose parity-check matrix is egin{equation*} H = egin{pmatrix} 2 &0 &1 &1 &1 &0 \ 1 &2 &0 &0 &1 &1 \ 0 &0 &0 &1 &1 &1 \end{pmatrix}. \end{equation*} True or false: The sequence $\mathbf{y} = 111000$ is a codeword of $\mathcal{C}$.
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.
Tick the \textbf{incorrect} assertion regarding plain Rabin, i.e., Rabin without any redundancy.
A. The Rabin Key Recovery Problem relies on the discrete logarithm problem.
B. Plain Rabin suffers from a chosen ciphertext key recovery attack.
C. The decryption of plain Rabin is ambiguous.
D. The Rabin Decryption Problem is equivalent to the factoring problem.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What produces sound waves that travel outward in all directions in water?
A. ultrasound machines
B. echo chamber
C. echo sounders
D. amplifiers
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What effect does taking anabolic steroids have on testosterone production?
A. reduces it
B. eliminates it
C. does nothing
D. increases it
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
On the ventral side of the embryonic disc, opposite the amnion, cells in the lower layer of the embryonic disk (the hypoblast) extend into the blastocyst cavity and form this?
A. neural sac
B. yolk sac
C. embryo sac
D. algae sac
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In what organ does pepsin help break down proteins?
A. liver
B. skin
C. kidney
D. stomach
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the complexity of prime number generation for a prime of length $\ell$?
A. $\mathbf{O}\left(\frac{1}{\ell^4}\right)$
B. $\mathbf{O}(\ell^4)$
C. $\Theta\left(\frac{1}{\ell^4}\right)$
D. $\Theta(\ell^4)$
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The elements of $\mathbf{Z}_{14}^*$ are
A. $\{ 0, 1, 3, 5, 9, 11, 13\}$
B. $\{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13\}$
C. $\{ 1, 3, 5, 9, 11, 13\}$
D. $\{ 1, 2, 3, 9, 11 \}$
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A dormant form of what may be dispersed by moving water, wind or other organisms?
A. orchids
B. Flowers
C. seeds
D. pollen
E. bacteria
F. ferns
G. Chlorophyll
H. fungi
Answer:
|
E
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Cooling or evaporation of what from the sea surface makes surface water dense?
A. warm water
B. dirty water
C. salt water
D. fresh water
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
I want to send a value to Bob without him knowing which value I sent and such that I cannot change my mind later when I reveal it in clear. I should use \dots
A. a stream cipher.
B. a PRNG.
C. a commitment scheme.
D. a digital signature.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In RSA, we set $p = 7, q = 11, e = 13$. The public key is $(m, e) = (77, 13)$. The ciphertext we receive is $c = 14$. What is the message that was sent? (Hint: You may solve faster using Chinese remainder theorem.).
A. $t=42$
B. $t=14$
C. $t=63$
D. $t=7$
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 negative impact on an organism?
A. sun
B. HIV
C. smog
D. ill
E. fire
F. Cars
G. HPV
H. pain
Answer:
|
A
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are two basic types of pollutants in the air?
A. pesticides and smog
B. primary and secondary pollutants
C. organic and inorganic
D. smog and coal
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What causes objects to heat when absorbed?
A. coal
B. an ion
C. lipids
D. fur
E. sugar
F. food
G. Light
H. Gases
Answer:
|
F
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the content of the superblock in the JOS file system?
A. List of all directories
B. List of all files
C. List of all blocks
D. List of all inodes
E. Total number of blocks on disk
F. Magic number identifying the file system
G. Node with the root directory ('/')
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A bunny is desperate for food and happily chows down when offered
A. a meatball
B. some oregano
C. cat food
D. a steak
Answer:
|
B
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of the following apply to recent Android-based mobile systems but not
to Linux-based desktop systems?
A. Apps should use the binder interface to communicate with other
apps.
B. By default, each app runs as its own user.
C. All apps run in a strict container with only limited system
calls available.
D. Arbitrary apps can exchange files through shared
directories.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what and shallow waters provide food and shelter to many ocean organisms
A. dark
B. porous
C. warm
D. life
E. cold
F. gills
G. live
H. murky
Answer:
|
C
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Bananas spread their chromosomes because of
A. bats
B. apples and oranges
C. snakes
D. Jamaican singers
Answer:
|
A
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the term for a system maintaining a stable internal environment in a changeable external environment?
A. fetus
B. Pregnant
C. hypothesis
D. homeostasis
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What kind of competition often leads to extinction because the species that is less well adapted gets fewer of the resources that both species need?
A. intraspecific competition
B. parasitism
C. mutualism
D. interspecific competition
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is formed when an element gains one or more electrons?
A. ion
B. anion
C. cation
D. neutron
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the common abbreviation for noting the rhesus blood type?
A. RNA
B. AB
C. h2
D. rh
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 methods does not exploit statistics on the co-occurrence of words in a text?
A. Word embeddings
B. Transformers
C. Vector space retrieval
D. Fasttext
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 lowest level of organization that can perform all activities required for life?
A. organs
B. the cell
C. nucleii
D. tissues
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
a solution is formed when one of these gets dissolved into another one of these
A. Calcium carbonate
B. Condensation
C. near the shoreline
D. solid, liquid, gas
E. a hydraulic system
F. evaporation
G. Light passing through water
H. chemical changes
Answer:
|
D
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Bluetooth pairing v2.0 is based on\dots
A. bilinar mappings over elliptic curves.
B. a short authenticated string.
C. an ephemeral secret PIN code.
D. a secure token.
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 science of classifying the many organisms on earth called?
A. methodology
B. general classification
C. terminology
D. taxonomy
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which relationship is true?
A. a soccer pitch slows the ball down via magic
B. a soccer pitch slows the ball down because it is wet
C. a soccer pitch slows the ball down because there is always wind
D. a soccer pitch slows the ball down via friction
Answer:
|
D
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \textbf{true} assertion. A first preimage attack on a hash function H is \ldots
A. \ldots given $x$ find $y$ such that $H(x)=y$
B. \ldots given $x$ find $x'\neq x$ such that $H(x)=H(x')$
C. \ldots given $y$ find $x$ such that $H(x)=y$
D. \ldots find $x$ and $x'$ such that $x'\neq x$ and $H(x)=H(x')$
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 study of macroscopic properties, atomic properties, and phenomena in chemical systems?
A. differential chemistry
B. physical chemistry
C. thermal chemistry
D. molecular chemistry
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of the following statements about symbolic execution is/are correct?
A. Symbolic execution can efficiently handle and solve constraints
in programs with simple logics but large input space.
B. State space explosion is a common challenge for symbolic
execution.
C. Symbolic execution can always accurately model a system's
environment (e.g., system calls, file I/O, and network I/O).
D. Symbolic execution requires actually running the target
program.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What influences the chances of a species surviving?
A. light energy
B. migration
C. plate tectonics
D. cell division
E. animals
F. temperature
G. environment
H. erosion
Answer:
|
B
|
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 CFI?
A. When producing valid target sets, missing a legitimate target is unacceptable.
B. CFI’s checks of the valid target set are insufficient to protect every forward edge control-flow transfer
C. Keeping the overhead of producing valid target sets as low as possible is crucial for a CFI mechanism.
D. CFI prevents attackers from exploiting memory corruptions.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of these describes a living thing?
A. one thing doing nothing
B. large body of inanimate material
C. many small things working together
D. large lake of moving water
Answer:
|
C
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Amniocentesis and chorionic villus sampling can indicate whether a suspected genetic disorder is present at what stage?
A. adult
B. toddler
C. infant
D. fetal
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Increasing the temperature of n2 molecules increases what energy of motion?
A. emotional energy
B. kinetic energy
C. residual energy
D. compression energy
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $X$, $Y$, and $K$ be respectively the plaintext, ciphertext, and key distributions. $H$ denotes the Shannon entropy. The consequence of perfect secrecy is \dots
A. $H(K) \geq H(X)$
B. $H(K) \leq H(X)$
C. $H(K,X) \leq H(X)$
D. $H(Y) \leq H(X)$
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Something that could cause harm to an animal could be
A. affection
B. hugs
C. love
D. punches
Answer:
|
D
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what produces carbon monoxide?
A. h2o
B. burning coal
C. hydrogen
D. freezing
E. heating homes
F. chlorofluorocarbons
G. cigarettes
H. gasoline
Answer:
|
E
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What do you call the substance in a cooling system that has a low boiling point and changes between liquid and gaseous states?
A. byproduct
B. refrigerant
C. emission
D. coolant
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \textbf{false} statement. Moore's Law ...
A. is partly a reason why some existing cryptosystems are insecure.
B. was stated by the founder of Intel.
C. assumes the number of transistors per CPU increases exponentially fast with time.
D. implies that the heat generated by transistors of CPU doubles every 18 months.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The Kerckhoffs principle says that
A. the design of a cryptosystem has to be public to be secure.
B. the design of a cryptosystem has to be secure before being made public.
C. the security of a system should not rely on the secrecy of the cryptosystem.
D. a cryptosystem should have a public component (such as a key) to be secure.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can sunglasses protect against?
A. fissures of hot, acidic water
B. rays or beams
C. Looking at sunglasses
D. Looking at bright objects
E. Looking at dark objects
F. Looking at newspapers
G. enormous damage to homes
H. Light passing through water
Answer:
|
D
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
when organisms die, they
A. reproduce
B. wither away
C. petrify
D. regenerate
Answer:
|
B
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Does the following code compile? val x = 12 def foo(x: List[Int]): Int = x match \t case Nil => 0 \t case x :: xs => x
A. Yes
B. No
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which chemical controls sexual development and reproduction in females?
A. acetic acid
B. Hemoglobin
C. Fructose
D. barnacles
E. animals
F. Estrogen
G. Pesticides
H. Baby spray
Answer:
|
F
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is a source of energy?
A. fossil fuels
B. cooking
C. damming a river
D. sleeping
E. napping
F. Electrical energy
G. our nearest star
H. sunlight
Answer:
|
C
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what enters the eye through the pupil and falls on the retina?
A. an electron microscope
B. rain or sun shine
C. iris
D. rods and cones
E. an electron lens
F. Chemical energy
G. intermediate length rays
H. hydrogen
Answer:
|
G
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In general, what is true regarding Fagin's algorithm?
A. It performs a complete scan over the posting files
B. It provably returns the k documents with the largest aggregate scores
C. Posting files need to be indexed by the TF-IDF weights
D. It never reads more than (kn)½ entries from a posting list
Answer:
|
B
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Male dogs use what in their urine to mark their territory?
A. hydrocarbons
B. volatile substances
C. kinetic energy
D. an area swollen with pus
E. Chemical energy
F. competing for resources
G. add a solute
H. Positive charges
Answer:
|
B
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A stone is weathered into sand in about
A. a millennia
B. a week
C. a day
D. a fortnight
Answer:
|
A
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The number of plaintext/ciphertext pairs required for a differential cryptanalysis is\dots
A. $\approx DP$
B. $\approx \frac{1}{DP}$
C. $\approx \frac{1}{DP^2}$
D. $\approx \log \frac{1}{DP}$
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Nitrogen is a very important element to living things, because it is part of nucleotides and amino acids that are the building blocks of nucleic acids and these?
A. proteins
B. follicles
C. lipids
D. cells
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
How is blood supplied from the mother to the fetus?
A. vagina
B. brain stem
C. umbilical cord
D. spinal cord
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \emph{true} assertion related to the ElGamal signature scheme.
A. A signature of a given message is obtained in a deterministic way.
B. The generator $g$ generates a subgroup of prime order.
C. The signature verification procedure is probabilistic.
D. The main computational cost of the signature generation is due to one modular exponentiation.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Select the \emph{incorrect} statement. Pedersen Commitment is
A. unconditionally hiding.
B. computationally binding.
C. based on the hardness of the discrete logarithm problem.
D. based on DSA.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Where do polychaetes live?
A. the tundra
B. lakes
C. ocean floor
D. great plains
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 can cause cancer?
A. Birth defects
B. Smoking
C. cigarettes
D. radiation
E. Malnutrition
F. Pesticides
G. rays or beams
H. cancer pills
Answer:
|
D
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The diaphragms in the microphone and speaker convert sound energy into
A. light energy
B. low voltage electricity
C. back message
D. heat energy
Answer:
|
B
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The total number of protons and neutorns in an atom is called what?
A. volume number
B. mass number
C. formation number
D. atom number
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Plastic and other mulches offer a barrier to what?
A. contamination
B. Animal survival
C. erosion
D. Deposition.
E. spores moving
F. bacteria
G. environment
H. high temperature
Answer:
|
E
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \textbf{\emph{correct}} assertion. A random oracle $\ldots$
A. returns the same answer when queried with two different values.
B. is instantiated with a hash function in practice.
C. has predictable output before any query is made.
D. answers with random values that are always independent of the previous queries.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Reptiles are a class of tetrapod vertebrates that what
A. are warm blooded
B. reproduce
C. graptolites
D. lay shelled eggs
E. major threat to health
F. allow growth
G. eat grass
H. live in water
Answer:
|
D
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
You are given the task of choosing the parameters of a hash function. What value of the output will you recommend in order to be minimal and secure against second preimage attacks?
A. 40 bits
B. 80 bits
C. 160 bits
D. 320 bits
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Reducing the production of what gas, or removing it from the air, are practices that could reduce global warming?
A. oxygen
B. helium
C. hydrogen
D. carbon dioxide
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the benefit of LDA over LSI?
A. LSI is sensitive to the ordering of the words in a document, whereas LDA is not
B. LDA has better theoretical explanation, and its empirical results are in general better than LSI’s
C. LSI is based on a model of how documents are generated, whereas LDA is not
D. LDA represents semantic dimensions (topics, concepts) as weighted combinations of terms, whereas LSI does not
Answer:
|
B
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What devices do astronomers use to see objects at wavelengths all across the electromagnetic spectrum?
A. levels
B. microscopes
C. spectrographs
D. telescopes
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The Shannon theorem states that perfect secrecy implies...
A. $H(K)=H(X)$
B. $H(Y)\geq H(X)$
C. $H(K)\geq H(X)$
D. $H(Y)\leq H(X)$
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Temperature can affect what attribute of a siamese cat's coat?
A. density
B. weight
C. chemical makeup
D. color
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Pakicetus and rodhocetus are considered to be ancestors of modern what?
A. primates
B. rodents
C. whales
D. hominins
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Genetic disorders are diseases caused by what?
A. traits
B. environment
C. lesions
D. mutations
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What type of cell division produces gametes?
A. meiosis
B. apoptosis
C. mutations
D. mitosis
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the amount of energy required to begin a chemical reaction known as?
A. reaction energy
B. positive energy
C. decomposition energy
D. activation energy
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the term for plants that produce flowers and fruit?
A. spores
B. gymnosperms
C. angiosperms
D. endosperms
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Antacids are bases that neutralize what in the digestive tract?
A. salts
B. hormones
C. acids
D. fats
Answer:
|
C
|
sciq
|
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