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The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $G$ be a set and $*$ a commutative operation on pairs of elements from $G.$ Suppose there exists an element $e\in G$ such that $a*e=e*a=a$ for all $a \in G.$ Also, suppose there exist elements $b,c,d \in G$ such that $b*c=d*c.$. True or false: If $b
ot=d,$ then $(G,*)$ cannot be a group.
A. False
B. True
Answer: | B | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
When using linear regression, how do you help prevent numerical instabilities? (One or multiple answers)
A. reduce learning rate
B. add a regularization term
C. remove degenerate features
D. add more features
Answer: | A | m1_preference |
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.
what has a nervous system?
A. h2o
B. tortoises
C. viruses
D. bacteria
E. crocodiles
F. octopus
G. animals
H. elephants
Answer: | F | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Plants detect and respond to what?
A. water cycles
B. Greenhouse gasses
C. plant cycles
D. Electrical energy
E. sleep cycles
F. heat or cold
G. Diurnal cycles
H. Temperature changing
Answer: | G | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of the following models for generating vector representations for text require to precompute the frequency of co-occurrence of words from the vocabulary in the document collection
A. LSI
B. CBOW
C. Fasttext
D. Glove
Answer: | D | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Leaves contain the green pigment
A. peachleaf willow
B. chlorophyll
C. Chemical energy
D. xylem cells
E. Plants growth
F. Most plants
G. elastin
H. melanin
Answer: | B | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A bag contains the letters of LETSPLAY. Someone picks at random 4 letters from the bag without revealing the outcome to you. Subsequently you pick one letter at random among the remaining 4 letters. What is the entropy (in bits) of the random variable that models your choice? Check the correct answer.
A. $ rac{11}{4}$
B. $2$
C. $\log_2(7)$
D. $\log_2(8)$
Answer: | A | m1_preference |
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.
What effect occurs when a population suddenly gets much smaller, due to natural disaster or other cause?
A. bottleneck effect
B. convergence effect
C. limitation effect
D. extinction effect
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Sexually reproducing organisms alternate between which stages?
A. binary and diploid
B. haploid and diploid
C. binary and haploid
D. diploid and traploid
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
When tree roots grow, sometimes they
A. eat worms
B. form perfect braids
C. strangle people
D. break hard objects
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Rubber is an example of what type of substances that do not allow electrons to move through them?
A. insulators
B. solids
C. conductor
D. semi-conductor
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What kind of energy positions do electrons occupy during ground state?
A. lowest energy positions
B. relative energy positions
C. highest energy positions
D. closest energy positions
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A hot-water heating system uses what type of energy to heat water?
A. atmospheric energy
B. negative energy
C. thermal energy
D. potential energy
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
for warmth, we depend on the closest star to our planet, which is also
A. the red planet mars
B. the moon of the earth
C. the Orion star cluster
D. a major player in photosynthesis
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What three characteristics do waves have?
A. reflection, refraction and deflection
B. spin, refraction, and deflection
C. theory , refraction and deflection
D. structure , refraction and deflection
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $(e,N)$ be the public parameters of the RSA cryptosystem. What is the advantage of taking a \emph{small} value for $e$?
A. The complexity of the parameters generation is smaller.
B. The complexity of the encryption step is smaller.
C. The complexity of the decryption step is smaller.
D. The whole system is stronger against several attacks.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Activities that can reduce the effects of what condition include exercises to keep the blood and lymph flowing through affected areas?
A. asthma
B. edema
C. anemia
D. inflammation
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In deep learning, which of these are hyper-parameters?
A. The learning rate
B. The weights $\mathbf{W}^{[l]}$ and biases $\mathbf{b}^{[l]}$
C. The type of weight initialization
D. The number of layers
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What would an insect run from?
A. lizard
B. insect
C. cloud
D. wind
Answer: | A | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Flowers will reproduce more if
A. dragonflies reproduce more often
B. pollinators visit them sparingly
C. they are planted in premium fertilizer
D. more bees make a pit stop at them
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Select all valid answers about UNIX-like shell.
A. The shell is a program, that runs in user-space.
B. The shell is a program, that runs in kernel-space.
C. The shell is a program, which reads from standard input.
D. The shell is a function inside kernel.
E. The shell is the layer, which has to be always used for communicating with kernel.
F. The shell must run only in a single instance. Multiple running instances cause memory corruption.
G. The shell is a user interface for UNIX-like systems.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What do gametes undergo to produce many additional copies of themselves?
A. cytokinesis
B. prophase
C. angiogenesis
D. mitosis
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Stars spend most of their lives on the main sequence, fusing hydrogen into what?
A. carbon
B. neon
C. helium
D. nitrogen
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Choose the \emph{incorrect} statement.
A. The key is always sent alongside the commitment.
B. Statisticaly hiding property is more desirable than computationally hiding.
C. A commitment scheme can be perfectly hiding.
D. A commitment scheme can be non-interactive.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider a source $S$ with some distribution $P_S$ over the alphabet $\mathcal{A} = \{a, b, c, d, e, f\}$. Consider the following encoding $\Gamma$ over a code alphabet $\mathcal{D}$ of size $D$ with the following codeword lengths: egin{center} egin{tabular}{ |c|c|c|c|c|c|c| } \hline & $a$ & $b$ & $c$ & $d$ & $e$ & $f$ \ \hline $l(\Gamma(\cdot))$ & 1 & 1 & 1 & 2 & 2 & 4 \ \hline \end{tabular} \end{center} True or false: If $D=4$ then $\Gamma$ is necessarily prefix-free.
A. True
B. False
Answer: | B | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The burning of what type of fuels is a major source of sulfur oxides and nitrogen oxides?
A. renewable
B. synthetic
C. biofuels
D. fossil
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are created through erosion?
A. kalenchoes
B. Roads
C. Valleys
D. Mountains
E. Volcanoes
F. Stalactites
G. flooding
H. loose soil
Answer: | C | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can a dam form?
A. fens
B. rain
C. lake
D. water
E. cracks
F. H2O
G. valley
H. canyon
Answer: | C | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Where do rainbows rarely appear?
A. the Great Barrier Reef
B. Nurseries of the ocean.
C. over the mountains
D. over the valleys
E. summer end
F. over the plains
G. swamp vegetation
H. over the deserts
Answer: | H | qasc |
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 organism's health?
A. chemical energy
B. aerobic capacity
C. predators
D. exercise
E. nutrients
F. Proteins
G. habitat destruction
H. death
Answer: | A | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In the first pass over the database of the FP Growth algorithm
A. Frequent itemsets are extracted
B. A tree structure is constructed
C. The frequency of items is computed
D. Prefixes among itemsets are determined
Answer: | C | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What structure supports the body, protects internal organs, produces blood cells, and maintains mineral homeostasis?
A. skeleton
B. cuticle
C. fossil
D. skin
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Arthropods have a life cycle with what?
A. rapid expansion
B. survival
C. aerobic capacity
D. food and shelter
E. an organism's body
F. reproduce
G. barnacles
H. mixing genes up
Answer: | H | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
When designing a cryptosystem that follows the rules of modern cryptography, we \dots
A. must hide the design and our own cryptanalysis very well.
B. must assume that the adversary will learn everything about the cryptosystem.
C. can assume that the adversaries are not smarter than the designers.
D. must publish the whole design and our own cryptanalysis.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In terms of the \textbf{bias-variance} decomposition, a 1-nearest neighbor classifier has \rule{2cm}{0.15mm} than a 3-nearest neighbor classifier.
A. higher variance
B. lower variance
C. higher bias
D. lower bias
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What happens when water's temperature drops to 32 degrees or below?
A. Its speed increases
B. vaporization
C. It turns into oil
D. They may not survive.
E. It becomes solid
F. It becomes ice cream
G. Plant growth is reduced
H. permineralization
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Who is likely to receive its coloration and hairy body from its parents?
A. Peter the Parakeet
B. Valentina the Vole
C. Terry the Tuna
D. Greta the Grouper
Answer: | B | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Where does the heartbeat originate in vertebrates?
A. the pulse
B. the heart
C. the tissue
D. the blood
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A bag contains the letters of LETSPLAY. Someone picks at random 4 letters from the bag without revealing the outcome to you. Subsequently you pick one letter at random among the remaining 4 letters. What is the entropy (in bits) of the random variable that models your choice? Check the correct answer.
A. $ rac{11}{4}$
B. $2$
C. $\log_2(7)$
D. $\log_2(8)$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Cephalization refers to the development of what anatomical region, which evolved at the same time as bilateral symmetry in animals?
A. tail
B. chest
C. heart
D. head
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the algorithm to perform optimization with gradient descent? Actions between Start loop and End loop are performed multiple times. (One answer)
A. 1 Start loop, 2 Initialize weights, 3 Compute gradients, 4 Update weights, 5 End loop
B. 1 Initialize weights, 2 Compute gradients, 3 Start loop, 4 Update weights, 5 End loop
C. 1 Initialize weights, 2 Start loop, 3 Update weights, 4 End loop, 5 Compute gradients
D. 1 Initialize weights, 2 Start loop, 3 Compute gradients, 4 Update weights, 5 End Loop
Answer: | D | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the part of the flower that produces pollen?
A. leaves
B. stigma
C. cones
D. stamen
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
How can you measure a shadow?
A. size
B. observe it
C. Light
D. simple
E. a ruler
F. mirrors
G. Winter
H. an image
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Water molecules move about continuously due to what type of energy?
A. kinetic
B. optical
C. potential
D. seismic
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Where is the fruiting body normally produced in relation to the food source?
A. in the soil
B. at the surface
C. at the root
D. underneath the surface
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Blind people are unable to see what the shapes of things are, but they can still sense it thanks contacting it via their
A. flying
B. singing
C. smiling
D. hands
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
An example of thermal energy is
A. crying in a school bathroom
B. trying to kiss someone
C. typing on a computer
D. Drying our clothes in the sun
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of the following lock acquisition orders (locks are acquired from left to right), for thread 1 (T1) and thread 2 (T2), will result in a deadlock ? Assume that A, B, C, D are lock instances.
A. T1: A,B,C,D T2: A,B,C,D
B. T1: A,D,C,B T2: A,D,C,B
C. T1: A,B,C,D T2: D,C,B,A
D. T1: A,B,C,D T2: A,B,E,F
E. T1: A,B,C,D T2: E,B,A,F
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{true} statement regarding $\mathbb{Z}_p^*$, where $p$ is an arbitrary prime number.
A. It is a group of prime order when $p>3$.
B. It has $\varphi(p-1)$ generators.
C. For any $x \in \mathbb{Z}_p^*$ we have $x^{p}=1 \pmod p$
D. It is isomorphic to $\mathbb{Z}_n^*$ for all $n >0$.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What causes tooth decay and unhealthy gums?
A. meat
B. worms
C. salt
D. smoking
E. sugar
F. vegetables
G. mildew
H. Alcohol
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The chromosomal theory of inheritance proposed that what reside on chromosomes?
A. genes
B. molecules
C. atoms
D. rna
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What type of light can mosquitoes see?
A. spicule
B. trichina
C. infared
D. neon
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is measured using units pascal, bar, atmosphere or mmhg?
A. pressure
B. push
C. fuel
D. Muscle
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What uses organic compounds from dead organisms?
A. fossil fuels
B. swamp vegetation
C. peachleaf willow
D. Cooking
E. it needs them
F. Heterotrophs
G. agriculture
H. Most plants
Answer: | F | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A rainbow is caused by rain and what?
A. grass
B. winds
C. solar rays
D. oceans
Answer: | C | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
If a space that is lacking walls or a roof is continuously dampened from above, data may be collected to inform those living there about the results. The information would be
A. measuring distance
B. creating rain
C. measuring dampness
D. enjoying nature
Answer: | C | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is an example of hunting?
A. Cats eating cat food
B. sea otter cracking open clams with a rock
C. Humans going to restaurants
D. A dog eating dog food
Answer: | B | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is transported to other parts of the body?
A. Organic compounds
B. ice
C. oxygen and heat
D. vital organs
E. heat energy
F. Veins and arteries.
G. electromagnetic energy
H. cat hair
Answer: | C | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
plant stem is the vehicle for transporting water and food from roots to the rest of the
A. solar harnessing life
B. cupcake
C. rock
D. sneaker
Answer: | A | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \emph{false} assertion concerning WEP
A. In WEP, encryption is based on RC4.
B. In WEP, IVs repeat themselves too often.
C. In WEP, encryption is based on a block cipher.
D. WPA-TKIP was designed as a quick fix for WEP.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What part of the brain controls body position, coordination, and balance?
A. right brain
B. cerebellum
C. cerebrum
D. brain stem
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In the χ2 statistics for a binary feature, we obtain P(χ2 | DF = 1) > 0.05. This means in this case, it is assumed:
A. That the class labels depends on the feature
B. That the class label is independent of the feature
C. That the class label correlates with the feature
D. None of the above
Answer: | B | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Snails, scallops, and squids are what type of invertebrate?
A. mollusk
B. arthropod
C. crustacean
D. algae
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
If we pick independent random numbers in $\{1, 2, \dots, N\}$ with uniform distribution, $\theta \sqrt{N}$ times, we get at least one number twice with probability\dots
A. $e^{\theta ^2}$
B. $1-e^{\theta ^2}$
C. $e^{-\theta ^2 /2}$
D. $1-e^{-\theta ^2 /2}$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is used as a vector for gene insertion in ex vivo gene therapy?
A. bacteria
B. typhus
C. penicillin
D. virus
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 are true about DEP?
A. DEP prohibits code injection but not code reuse.
B. A single bit is used to indicate that a memory region is DEP protected.
C. Even if it is called Enhanced Virus Protection on AMD hardware, it does not protect against viruses.
D. Data Execution Prevention is usually handled at byte-level granularity.
E. A region marked as DEP protected cannot be read.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Objects in motion that return to the same position after a fixed period of time are said to be in what?
A. homeostasis
B. harmonic motion
C. resonant motion
D. kinetic motion
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
If an object is what by a foot, then force is exerted on that object?
A. kinetic
B. following
C. struck
D. noticed
E. friction
F. thrust
G. dangerous
H. near
Answer: | C | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What process provides over 99% of the energy supply for life on earth?
A. nutrients
B. gases
C. Carbon
D. photosynthesis
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In a tropical rainforest, where are ferns common?
A. forrest floor
B. canopy
C. understory
D. emergent
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What raw material is consumed by chloroplast
A. flour
B. stone
C. CO2
D. lava
Answer: | C | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Given that $100000000003$ is prime, what is the cardinality of $\mathbf{Z}_{200000000006}^*$?
A. $2$
B. $100000000002$
C. $100000000003$
D. $200000000006$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
_ are tetrapods.
A. animals
B. amoeba
C. Frogs
D. Length
E. insects
F. Spiders
G. Snakes
H. Birds
Answer: | C | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What lacks chlorophyll, making them unable to make food by photosynthesis as plants can?
A. trees
B. bamboo
C. bushes
D. acetic acid
E. Leptospirosis
F. mushrooms
G. potatoes
H. bacteria
Answer: | F | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In what type of reproduction do parents of different sexes mate to produce offspring?
A. dual reproduction
B. subject reproduction
C. parallel reproduction
D. sexual reproduction
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Organisms in which class have beaks that are generally adapted for the food they eat?
A. apples
B. Mammalia
C. koalas
D. voles
E. Agnatha
F. Aves
G. Reptilia
H. edible
Answer: | F | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Acne is a skin disturbance that typically occurs on areas of the skin that are rich in sebaceous glands (face and back). it is most common along with the onset of puberty due to association with these?
A. hormonal changes
B. digestive changes
C. thermal changes
D. mental changes
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Where does digestion take place within an incomplete digestive system?
A. lumbar region
B. abdomen
C. central nervous system
D. gastrovascular cavity
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which item can help someone who is trying to conserve?
A. a plastic fork
B. a paper towel
C. a shipping box
D. a menstrual cup
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
If the first column of matrix L is (0,1,1,1) and all other entries are 0 then the authority values
A. (0, 1, 1, 1)
B. (0, 1/sqrt(3), 1/sqrt(3), 1/sqrt(3))
C. (1, 1/sqrt(3), 1/sqrt(3), 1/sqrt(3))
D. (1, 0, 0, 0)
Answer: | B | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \emph{false} assertion concerning WEP
A. In WEP, encryption is based on RC4.
B. In WEP, IVs repeat themselves too often.
C. In WEP, encryption is based on a block cipher.
D. WPA-TKIP was designed as a quick fix for WEP.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can live in salt water?
A. otters
B. spider
C. amoeba
D. clam
E. alligator
F. ducks
G. goldfish
H. voles
Answer: | D | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What type of tissues are major barriers to the entry of pathogens into the body?
A. mucosal
B. nasal
C. skin
D. vascular
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The tails of the hale-bopp comet point away from the sun, evidence that light has what property of motion?
A. inertia
B. velocity
C. momentum
D. acceleration
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Like earth, the moon has a distinct crust, mantle, and what else?
A. temperature
B. polarity
C. core
D. atmosphere
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are highly probable in the evolution of a group of bipedal dinosaurs?
A. group activities
B. heat energy
C. lack of teeth
D. animals
E. high altitidues
F. mammals
G. fur and fat
H. feathers
Answer: | H | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
It is harmful to place paintings where
A. mines
B. cold
C. inside
D. outside
E. threatened
F. on the wall
G. dangerous
H. in a drawer
Answer: | D | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The two main types of phagocytic cells in the mammalian body are neutrophils and what other?
A. leukocytes
B. eukaryotes
C. macrophages
D. histones
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What detects hybrids of the substance that helps assemble proteins?
A. orchids
B. sensory neurons
C. peachleaf willow
D. luminometer
E. A computer
F. animals
G. A Greek letter
H. scattered light
Answer: | D | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The neural plate undergoes a series of cell movements where it rolls up and forms a tube called what?
A. cell tube
B. peripheral tube
C. occular tube
D. neural tube
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Under certain conditions, maximizing the log-likelihood is equivalent to minimizing mean-squared error for linear regression. The mean-squared error can be defined as $\mathcal{L}_{m s e}(\mathbf{w}):=$ $\frac{1}{2 N} \sum_{n=1}^{N}\left(y_{n}-\widetilde{\mathbf{x}}_{n}^{\top} \mathbf{w}\right)^{2}$ and $y_{n}=\widetilde{\mathbf{x}}_{n}^{\top} \mathbf{w}+\varepsilon_{n}$ is assumed for the probabilistic model. Which of following conditions is necessary for the equivalence?
A. The noise parameter $\varepsilon_{n}$ should have a normal distribution.
B. The target variable $y_{n}$ should have a normal distribution.
C. The i.i.d. assumption on the variable $\mathbf{w}$.
D. The conditional probability $p\left(y_{n} \mid \widetilde{\mathbf{x}}_{n}, \mathbf{w}\right)$ should follow a Laplacian distribution.
E. The noise parameter $\varepsilon_{n}$ should have non-zero mean.
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} 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.
Which of the following is wrong regarding Ontologies?
A. We can create more than one ontology that conceptualize the same real-world entities
B. Ontologies help in the integration of data expressed in different models
C. Ontologies support domain-specific vocabularies
D. Ontologies dictate how semi-structured data are serialized
Answer: | D | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
How do leaves keep animals from getting cold?
A. can be worn as clothes
B. protect them
C. adapt to coolness
D. heat with the sun
E. used to start fires
F. hard outer covering
G. preventing heat transfer
H. A transportation fuel
Answer: | G | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are the chemical formulas for covalent compounds referred to as?
A. magnetic formulas
B. Electron Formulas
C. nucleus formulas
D. molecular formulas
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is most likely to result from warm air advancing on cold air?
A. white outs
B. energy of moving objects
C. heat is produced
D. a tree falling
E. cloudy and rainy weather
F. tsunamis
G. freezing nitrogen
H. kinetic energy
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the smallest unit of a chemical element called?
A. droplet
B. nucleus
C. cell
D. atom
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Over time, what changes solid rock into pieces?
A. weathering
B. leaching
C. creep
D. metamorphosis
Answer: | A | sciq |
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