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The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are vertebrates with four limbs?
A. humans
B. frogs
C. fish
D. Birds
E. phytoplankton
F. coral
G. bears
H. goats
Answer:
|
B
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
If Alice receives a message proven to be coming from Bob, we say that the message is\dots
A. confidential
B. fresh
C. authenticated
D. correct
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The sugar of one nucleotide binds to what group of the next nucleotide?
A. the phosphate
B. the protein
C. the chloride
D. the alkaline
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A query \(q\) has been submitted to two distinct Information Retrieval engines operating on the same document collection containing 1'000 documents, with 50 documents being truly relevant for \(q\).The following result lists have been produced by the two IR engines, \(S_1\) and \(S_2\) respectively:
\(S_1\text{:}\)
\(d_1\)
\(d_2\text{ (*)}\)
\(d_3\text{ (*)}\)
\(d_4\)
\(d_5\text{ (*)}\)
\(S_2\text{:}\)
\(d^\prime_1\text{ (*)}\)
\(d^\prime_2\text{ (*)}\)
\(d^\prime_3\)
\(d^\prime_4\)
\(d^\prime_5\)
In these result lists, the stars \(\text{(*)}\) identify the truly relevant documents.
By convention, we consider that any non retrieved document has been retrieved at rank 6.If Average Precision is used as evaluation metric, which of the two IR engines is performing better for the query \(q\)?
A. \(S_1\)
B. \(S_2\)
C. Both engines perform equally.
D. This evaluation metric cannot be computed.
Answer:
|
B
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Sea hares are poisonous slugs, with tiny bunny-like tentacles, that float in water currents and ocean waves. They squirt a purple colored chemical that's sticky and smelly
A. to attract a mate
B. to swim in deep waters
C. to ward off predators
D. to color the water
Answer:
|
C
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Bacteria can be used to make cheese from milk. the bacteria turn the milk sugars into what?
A. acetic acid
B. lactic acid
C. hydrochloric acid
D. ionic acid
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 functions \( f :\mathbb{Z} imes \mathbb{Z} o \mathbb{Z} \) are surjective?
A. \( f(m,n)=m+n \)
B. \( f(m,n)=m^2+n^2 \)
C. \( f(m,n)=m \)
D. \( f(m,n)=|n| \)
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Changes from a less-ordered state to a more-ordered state (such as a liquid to a solid) are always what?
A. reactive
B. exothermic
C. endothermic
D. unbalanced
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Prokaryotes divide via binary fission and do not undergo what process of cell division?
A. meiosis
B. mitosis
C. prophase
D. fusion
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Confidentiality means that:
A. the message can be read by anyone.
B. information should not leak to any unexpected party.
C. the message should make clear who the author is.
D. the information must be protected against any malicious modification.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can cause disease?
A. imbalanced
B. heterotrophs
C. smoking
D. viruses
E. chickenpox
F. Bacteria
G. toxins
H. Pesticides
Answer:
|
F
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \textbf{true} assertion. In a zero-knowledge interactive proof of knowledge, \ldots
A. for any ppt verifier, any simulator can produce a transcript which is indistinguishable from the original conversation.
B. the proof of knowledge denotes that the prover does not know why the statement is true.
C. for any ppt verifier, there is a simulator which produces a conversation indistinguishable from the original conversation.
D. the simulator is computationally unbounded.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What type of competition occurs between members of the same species?
A. interspecies
B. exospecies
C. intraspecific
D. interspecific
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which is an appropriate method for fighting skewed distributions of class labels in classification?
A. Include an over-proportional number of samples from the larger class
B. Use leave-one-out cross validation
C. Construct the validation set such that the class label distribution approximately matches the global distribution of the class labels
D. Generate artificial data points for the most frequent classes
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{false} assertion. For a Vernam cipher...
A. SUPERMAN can be the result of the encryption of the plaintext ENCRYPT
B. CRYPTO can be used as a key to encrypt the plaintext PLAIN
C. SERGE can be the ciphertext corresponding to the plaintext VAUDENAY
D. The key IAMAKEY can be used to encrypt any message of size up to 7 characters
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Determine which of the following conditional statements evaluate to true (more than one answer can be correct):
A. If 5-7 > 0, then 3-7>0
B. If 5-7 < 0, then 3-7>0
C. If 5-7 > 0, then 3-7<0
D. If 5-7 < 0, then 3-7<0
E. None of the other options
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Earth's tilt on it's rotating axis causes rapid what?
A. temperature
B. root growth
C. population movement
D. rainfall
E. cloud density
F. weather changes
G. moon phases
H. crust pressure
Answer:
|
F
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Friendly bacteria live mostly in the large intestine and part of the small intestine, because what organ is too acidic?
A. skin
B. rectum
C. liver
D. stomach
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What do all cells share?
A. basic function
B. Veins and arteries.
C. exact structure
D. how they look
E. energy usage
F. Electrical energy
G. types of protein
H. Chemical energy
Answer:
|
A
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \emph{correct} assertion. In RSA with public key $(e,N)$ and private key $(d,N)$ \ldots
A. the key generation requires that $\gcd(e,N) = 1$.
B. decryption does not work for some $y \in \mathbb{Z}_N$ for which $\gcd(y,N) \not= 1$.
C. if we know $\phi(N)$, the ciphertext $y$ and the public key, we can decrypt $y$.
D. in order to decrypt we need to have $e^d \equiv 1 \pmod{N}$.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
To grow, bamboo will require both of the following:
A. light and electricity
B. light and money
C. light and mud
D. oil and water
Answer:
|
C
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are the two main minerals found in ocean water?
A. sodium, chloride
B. quartz, carbon
C. dioxide , chloride
D. carbon , chloride
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Disease causing microbes have what type of impact on humans?
A. toxins
B. neutral
C. negative
D. Roundworms
E. Annelids
F. positive
G. heterotrophs
H. beneficial
Answer:
|
C
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
How do organophostbate pesticides work?
A. inhibiting testosterone
B. inhibiting reticulum
C. inhibiting cryptosporidium
D. inhibiting acetylcholinesterase
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
For a blockcipher $B:\{0,1\}^k\times \{0,1\}^n \rightarrow \{0,1\}^n$ that has decorrelation $Dec^q_{\| \cdot \|_{\infty}}(B,C^*)=d$ (from a perfect cipher $C^*$), the best advantage of \textit{any} distinguisher that makes $q$ queries is \ldots
A. bounded by $d/2$.
B. not related to $d$; we have to use the $a$-norm to get a more general result.
C. bounded by $d$.
D. bounded by $d-\frac{1}{2}$.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A hash function $h$ is collision-resistant if\dots
A. \dots given $y$, it is hard to find $x$ such that $h(x)=y$
B. \dots given $x$, it is hard to find $y$ such that $h(x)=y$
C. \dots given $x$, it is hard to find $x' \ne x$ such that $h(x)=h(x')$
D. \dots it is hard to find $x,x'$ such that $x \ne x'$ 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.
Church booleans are a representation of booleans in the lambda calculus. The Church encoding of true and false are functions of two parameters: Church encoding of tru: t => f => t Church encoding of fls: t => f => f What should replace ??? so that the following function computes not(b and c)? b => c => b ??? (not b)
A. (not b)
B. (not c)
C. tru
D. fls
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 evolution over geologic time above the level of the species?
A. macroevolution
B. speciation
C. mutation
D. microevolution
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is a good distance metric to be used when you want to compute the similarity between documents independent of their length?A penalty will be applied for any incorrect answers.
A. Cosine similarity
B. Euclidean distance
C. Manhattan distance
D. Chi-squared distance
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Matrix Factorizations: The function $f(\mathbf{v}):=g\left(\mathbf{v} \mathbf{v}^{\top}\right)$ is convex over the vectors $\mathbf{v} \in \mathbb{R}^{2}$, when $g: \mathbb{R}^{2 \times 2} \rightarrow \mathbb{R}$ is defined as
A. (a) if we define $g: \mathbb{R}^{2 \times 2} \rightarrow \mathbb{R}$ as $g(\mathbf{X}):=X_{11}$.
B. (b) if we define $g: \mathbb{R}^{2 \times 2} \rightarrow \mathbb{R}$ as $g(\mathbf{X}):=X_{11}+X_{22}$.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What needs to be increased to change a solid into a liquid or gas?
A. temperature
B. pressure
C. oxygen
D. volume
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What kind of reaction is needed to prepare amides?
A. amino acid reaction
B. lipophilic acid reaction
C. oxidize acid reaction
D. carboxylic acid reaction
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Estuaries allow for appropriate what for a species
A. sunlight
B. weather
C. reusing materials
D. wind
E. population size
F. Quality of life
G. root growth
H. recovery
Answer:
|
E
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What uses electrical energy converted from chemical energy?
A. sunlight
B. cameras
C. cells
D. buses
E. bacteria
F. Cars
G. dogs
H. vehicles
Answer:
|
B
|
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.
Consider the following lexicon \(L\):
bear : V, N
bears : V, N
blue : Adj, N
drink : N, V
drinks : N, V
Nice : Adj, N
When using an order-1 HMM model (using \(L\)) to tag the word sequence:"Nice bears drink blue drinks"does the tag of drink depend on the tag of nice?
A. yes, because the HMM approach relies on a global maximum.
B. no, the hypotheses make the two tags independent from each other.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what can the offspring of two living things have when crossed with each other?
A. attached ear lobes
B. coded genes
C. genetic material
D. colors of the spectrum
E. fur and fat
F. food and shelter
G. haploid plants
H. genetic diversity
Answer:
|
A
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The vertebrate endoskeleton is made of bone and what tough, flexible tissue?
A. cartilage
B. cuticle
C. collagen
D. synovial tissue
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A proof system is computational-zero-knowledge if \dots
A. for any PPT verifier and for any simulator $S$, $S$ produces an output which is hard to distinguish from the view of the protocol.
B. there exists a PPT simulator $S$ such that for any \emph{honest} verifier, $S$ produces an output which is hard to distinguish from the view of the verifier.
C. for any PPT verifier, there exists a PPT simulator that produces an output which is hard to distinguish from the view of the protocol.
D. for any \emph{honest} verifier and for any simulator $S$, $S$ produces an output which is hard to distinguish from the view of the protocol.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In preparation for phagocytosis, a portion of the inward-facing surface of the plasma membrane becomes coated with a protein called clathrin, which stabilizes this section of what?
A. membrane
B. mitochondria
C. nuclei
D. particles
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the condition of a plant in which the fluid in a cell exerts a pressure against the cell wall?
A. hydration
B. tumor
C. turgor
D. constriction
Answer:
|
C
|
sciq
|
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.
If your grandma sends you out in the yard to get the weeds out of the garden she means to
A. water the weeds thoroughly
B. rip them out of the soil
C. fertilize and till the weeds
D. ask them to leave the yard
Answer:
|
B
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What varies in shape but are all microscopic?
A. alveoli
B. small
C. ovaries
D. cells
E. bushes
F. ferns
G. fossils
H. fungi
Answer:
|
D
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what can persist in the circulation for decades?
A. active immunity
B. density
C. Veins and arteries.
D. oxygen cells
E. bacteria
F. chlorofluorocarbons
G. fur and fat
H. Chemical energy
Answer:
|
A
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let P(x) is âx is an elephantâ and F(x) is âx fliesâ and the domain consists of all animals. Translate the following statement into English: â!x(P(x) ⧠F(x))
A. There exists only one elephant that can fly
B. There is an animal that flies if itâs an elephant
C. All elephants fly
D. Some elephants can flyv
E. None of the other options
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $\mathcal{C}$ be a binary $(5,2)$ linear code with generator matrix egin{equation*} G = egin{pmatrix} 1 &0 &1 &0 &1 \ 0 &1 &0 &1 &1 \end{pmatrix} \end{equation*} and consider a minimum-distance decoder obtained by choosing the coset leaders of the standard array of $\mathcal{C}$ so that the error probability is minimized under a binary symmetric channel with bit-flip probability $\epsilon < rac{1}{2}$. True or false: The word $00101$ is certainly not one of the coset leaders.
A. True
B. False
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What state is achieved when the forward and reverse reactions proceed at equal rates?
A. equality
B. equilibrium
C. neutrality
D. constant
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Where do fossil fuels come from?
A. Dead prehistoric beings
B. Under water
C. basic building blocks of life
D. dead organisms
E. decaying trees
F. burning coal
G. A factory
H. Outerspace
Answer:
|
A
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What happens when metal absorbs energy?
A. Energy.
B. Relieve pain
C. kinetic energy
D. It expands
E. Light
F. electricity
G. boiling
H. Evaporation
Answer:
|
D
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What term indicates moles per liter, whereas molality is moles per kilogram of solvent?
A. kilocalorie
B. molarity
C. abundance
D. pollenation
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Suppose that an item in a leaf node N exists in every path. Which one is correct?
A. N co-occurs with its prefix in every transaction.
B. For every node P that is a parent of N in the fp tree, confidence(P->N) = 1
C. N’s minimum possible support is equal to the number of paths.
D. The item N exists in every candidate set.
Answer:
|
C
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In what part of the lungs is pulmonary gas exchanged?
A. trachea
B. bronchi
C. alveoli
D. bronchioles
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can cause light to bounce off an object?
A. something painted black
B. surface with aluminium
C. water condensation
D. springs and coils
Answer:
|
B
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What kind of harm does a corrosive substance cause?
A. Attracts dust
B. eats through objects
C. Rust objects
D. Builds a crust
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Production of ethanol is dependent on
A. the environment
B. the sun's energy
C. rubbing alcohol
D. Movement of an air mass
E. Rayleigh scattering
F. agriculture
G. heat produced
H. vinegar
Answer:
|
B
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What have similar membranes?
A. PDAs
B. humans
C. viruses
D. crocodiles
E. animals
F. sharks
G. fur seals
H. insects
Answer:
|
C
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
If a seed is planted and it develops into a large tomato plant
A. the seed came from a cucumber
B. the seed came from something red
C. the seed came from a tree
D. the seed came from a bird
Answer:
|
B
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the term for species evolving together?
A. specmutation
B. interconnection
C. conjuration
D. coevolution
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Plants are multicellular eukaryotes with cell walls composed primarily of what?
A. protein
B. plants
C. leaves
D. chemicals
E. Energy.
F. lignin
G. eukaryotes
H. Energy
Answer:
|
F
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In glycolysis, glucose is split into two molecules of pyruvate. this results in a net gain of?
A. three atp molecules
B. two atp molecules
C. six atp molecules
D. four atp molecules
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Plants attract bees with what?
A. male gametes
B. organic molecules
C. sense organs
D. fertilization occurs
E. circulatory systems
F. color of their flowers
G. smell and taste
H. Chemical energy
Answer:
|
F
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What has a life cycle with sexual reproduction?
A. animals
B. viruses
C. plants
D. fungi
E. mammals
F. the Sun
G. planets
H. insects
Answer:
|
H
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Select the \emph{incorrect} statement. Bluetooth is
A. a short-range wireless technology.
B. designed both for data and voice transmission.
C. a standard for RFID tags.
D. able to transmit 1Mbit/sec in 10m distance.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A bunny wants to eat strawberries, but it is unable to find any. However, the bunny finds a patch of small white buds. If the rabbit waits a while
A. there will be extra bees
B. there will be green flowers
C. there will be eight rabbits
D. there will be berries there
Answer:
|
D
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Given an odd prime $p$, for any $a \in \mathbb{Z}_p$ the equation
A. $x^2 - a = 0$ always has a solution.
B. $x^2 - a = 0$ has exactly two solutions.
C. $x^2 - a = 0$ has at most two solutions.
D. $x^2 - a = 0$ may have four solutions.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Budding and fission in annelids are examples of what type of reproduction?
A. asexual
B. hybrid
C. byproduct
D. sexual
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
If A is an uncountable set and B is an uncountable set, A â B cannot be :
A. countably infinite
B. uncountable
C. the null set
D. none of the other options
Answer:
|
D
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can mutate cells?
A. Allergies
B. water
C. fruits
D. flow of electrons
E. vegetables
F. harmful substances
G. rays or beams
H. some viruses
Answer:
|
H
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is necessary for a growing child?
A. four limbs
B. stamina
C. hydration
D. food
E. pets
F. minerals
G. plastics
H. a measuring stick
Answer:
|
F
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A model predicts $\mathbf{\hat{y}} = [1, 0, 1, 1, 1]$. The ground truths are $\mathbf{y} = [1, 0, 0, 1, 1]$.
What is the accuracy?
A. 0.5
B. 0.75
C. 0.8
D. 0.875
Answer:
|
C
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Landslides and mudslides are the most destructive types of what geologic phenomenon?
A. formation movement
B. land momentum
C. intensity movement
D. mass movement
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the multicellular diploid stage called?
A. blastocyte
B. sporophyte
C. sporangium
D. lymphocyte
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what converts fuel into light and heat energy
A. warmth
B. Lift
C. food
D. fire
E. NaCl
F. Cars
G. trees
H. reacts
Answer:
|
D
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What do chemical reactions need to be activated?
A. products
B. food
C. energy
D. space
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is TRUE regarding Fagin's algorithm?
A. Posting files need to be indexed by TF-IDF weights
B. It performs a complete scan over the posting files
C. It never reads more than (kn)1â2 entries from a posting list
D. It provably returns the k documents with the largest aggregate scores
Answer:
|
D
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
You are using a 3-layer fully-connected neural, and you are using \textbf{$f(x) = 2x$ as your activation function} . Your input data has components in [0, 1]. \textbf{You initialize your weights using Kaiming (He) initialization}, and set all the bias terms to 0. You start optimizing using SGD. What will likely happen?
A. The gradient is 0 so nothing happens
B. The gradient is very large so the model can't converge
C. Training is fine, but our neural net does only as well as a linear model
D. Everything is fine
Answer:
|
C
|
m1_preference
|
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 must be protected against any malicious modification''?
A. privacy.
B. integrity.
C. confidentiality.
D. reliability.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Binary fission is an example of which type of production?
A. algal
B. asexual
C. primitive
D. sexual
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What do we call water that has been used for cleaning, washing, flushing, or manufacturing?
A. wastewater
B. sewage
C. Grey water
D. groundwater
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Birds are thought to have evolved around 150 million years ago from what?
A. raptor dinosaurs
B. theropod dinosaurs
C. teradactils
D. parrot dinosaurs
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which would likeliest eat a sardine?
A. a plant
B. a tree
C. a canary
D. a tunafish
Answer:
|
D
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider the cipher defined by $$\begin{array}{llll} C : & \{0,1\}^{4} & \rightarrow & \{0,1\}^{4} \\ & x & \mapsto & C(x)=x \oplus 0110 \\ \end{array} $$ The value $LP^C(1,1)$ is equal to
A. $0$
B. $1/4$
C. $1/2$
D. $1$
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is friction that acts on objects while it is rolling over a surface called?
A. rolling friction
B. opposing friction
C. blowing friction
D. surface friction
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $E$ be an elliptic curve. Solving which of the following problems would help you to break Elliptic Curve Diffie-Hellman (ECDH) over $E$?
A. Let $P,R \in E$. Given $P$ and $P+R$, compute $R$.
B. Let $P,Q \in E$. Given $P$ and $Q$, compute the product between $P$ and $Q$, i.e., $P \times Q$.
C. Let $P \in E$ and $\ell \in \mathbb{N}$. Given $P$ and $\ell P$, compute $\ell$.
D. Find a point which is not on the curve $E$.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Modularity clustering will end up always with the same community structure?
A. True
B. Only for connected graphs
C. Only for cliques
D. False
Answer:
|
D
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The binding of complementary bases allows dna molecules to take their well-known shape, called a what?
A. simple helix
B. triple helix
C. single helix
D. double helix
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
When do homologous chromosomes separate and go to different gametes?
A. during electrolysis
B. after meiosis
C. during meiosis
D. before meiosis
Answer:
|
C
|
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 the condition in which distant objects are seen clearly, but nearby objects appear blurry?
A. synthesise , or hyperopia
B. farsightedness, or hyperopia
C. gleam , or hyperopia
D. nearsightedness or hyperopia
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 acronyms does not designate a mode of operation?
A. CBC
B. CTR
C. CRC
D. ECB
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 pairing of an adult male to an adult female to produce young?
A. asexual reproduction
B. evolution
C. mating
D. binary fission
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Given a matrix $\Xm$ of shape $D imes N$ with a singular value decomposition (SVD), $X=USV^ op$, suppose $\Xm$ has rank $K$ and $\Am=\Xm\Xm^ op$.
Which one of the following statements is extbf{false}?
A. The eigenvalues of A are the singular values of X
B. A is positive semi-definite, i.e all eigenvalues of A are non-negative
C. The eigendecomposition of A is also a singular value decomposition (SVD) of A
D. A vector $v$ that can be expressed as a linear combination of the last $D-K$ columns of $U$, i.e $x=\sum_{i=K+1}^{D} w_{i}u_{i}$ (where $u_{i}$ is the $i$-th column of $U$
), lies in the null space of $X^ op$
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In which of the following cases does the TLB need to be flushed?
A. Inserting a new page into the page table for a user-space application.
B. Deleting a page from the page table.
C. Changing the read/write permission bit in the page table.
D. Inserting a new page into the page table for kernel.
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{correct} assertion about $\mathbf{Z}_{pq}^*$, where $p$ and $q$ are distinct prime numbers \ldots
A. the order of $\mathbf{Z}_{pq}^*$ is $p \cdot q$.
B. an element $x$ belongs to $\mathbf{Z}_{pq}^*$ if $gcd(x,\phi(pq)) =1$.
C. the element $1$ is in $\mathbf{Z}_{pq}^*$.
D. the element $0$ is in $\mathbf{Z}_{pq}^*$.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider the following lexicon \(L\):
boy : Adj, N
boys : N
blue : Adj, N
drink : N, V
drinks : N, V
Nice : Adj, N
When using an order-1 HMM model (using \(L\)) to tag the word sequence:"Nice boys drink blue drinks"does the tag of drink depend on the tag of nice?
A. yes, because the HMM approach relies on a global maximum.
B. no, the hypotheses make the two tags independent from each other.
Answer:
|
B
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
a byproduct of an open flame is
A. cooking
B. warmth
C. cold
D. light
Answer:
|
B
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Select the \emph{incorrect} statement.
A. The order of an element is always multiple of the order of its group.
B. An ideal $I$ of commutative ring $R$ is a subgroup closed under multiplication by all elements of $R$.
C. Given a prime $p$, we have $a^{p} = a$ for every $a \in \mathbb{Z}_p$.
D. Any element of order $\varphi(n)$ is a generator of $\mathbb{Z}_n^*$.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Hard igneous rocks and easily dissolved sedimentary rocks respond very differently to what natural force?
A. evaporation
B. gravity
C. weathering
D. sunlight
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What increases the rate of metabolism in cells throughout the body?
A. Thyroxine
B. Smoking
C. fever
D. bioaerosols
E. acetic acid
F. sweating
G. Power plants
H. heat produced
Answer:
|
A
|
qasc
|
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