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The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. One day a zebra dies. Zero baby zebras were born in the herd on that day. A. the zebras traveled a hundred miles that day B. a new life was created C. the population went down D. the population of the herd increased Answer:
C
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. In User-Based Collaborative Filtering, which of the following is correct, assuming that all the ratings are positive? Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. For any function $f:\{0,1\}^p\rightarrow \{0,1\}^q$ and for any $a\in\{0,1\}^p$, we have\ldots A. $\Sigma _{b\in \{0,1\}^q}\mathsf{DP}^f(a,b)=1$ B. $\Sigma _{b\in \{0,1\}^q}\mathsf{DP}^f(a,b)=0$ C. $\Sigma _{b\in \{0,1\}^q}\mathsf{DP}^f(a,b)=\frac{1}{2}$ D. $\Sigma _{b\in \{0,1\}^q}\mathsf{DP}^f(a,b)=\frac{1}{\sqrt{2}}$ Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. When observing animals in the wild, which of these are you most likely to see? A. A frog stalking a rabbit B. A bear sticking its claws in the river C. A wolf hunting an eagle D. A tiger hunting a dolphin Answer:
B
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What is the smallest contractile portion of a muscle? A. filaments B. cell C. sarcomere D. capillary Answer:
C
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What is the predominant stage in the life cycle of most scyphozoans? A. medusa B. gamete C. spore D. hydra Answer:
A
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The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What type of tissue runs the length of a stem in vascular bundles? A. thermal tissue B. vascular tissue C. muscle tissue D. cardiac tissue Answer:
B
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. When I hear news of a warm front I make sure to bring A. game boy B. clocks C. guns D. waterproof appendage covers Answer:
D
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. The complexities of the encryption and decryption in RSA with a modulus of $s$ bits are respectively within the order of magnitude \ldots A. $s^3$ and $s^3$ B. $s^4$ and $s^3$ C. $s^3$ and $s^4$ D. $s^4$ and $s^4$ Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. A rubber band stretched too thin will have particles what? A. tiny B. kinetic C. Energy. D. break off E. vibrate F. an object G. imbalanced H. energy Answer:
E
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What property do germs have that can make people sick? A. coded genes B. hyperthyroidism C. hypothyroidism D. chickenpox E. smallpox F. viruses G. Echinoids H. resistance Answer:
H
qasc
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. What do all vertebrates have? A. sensory neurons B. characteristics C. a complete digestive system D. Veins and arteries. E. sub-units of species F. wings and feathers G. gills H. gizzard Answer:
C
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The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. what produces amniotic eggs? A. fluid B. spiders C. scrambled D. a fish E. sharks F. snakes G. animals H. tortoises Answer:
F
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Tick the \emph{incorrect} statement. When $x\rightarrow+\infty$ \ldots A. $x^3 + 2x + 5 = \mathcal{O}(x^3)$. B. $\frac{1}{x^2} = \mathcal{O}(\frac{1}{x})$. C. $2^{\frac{x}{\log x}} = \mathcal{O}(2^x)$. D. $n^x = \mathcal{O}(x^n)$ for any constant $n>1$. Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Suppose that you possess a $D$-ary encoding $\Gamma$ for the source $S$ that does not satisfy Kraft's Inequality. Specifically, in this problem, we assume that our encoding satisfies $\sum_{i=1}^n D^{-l_i} = k+1 $ with $k>0$. What can you infer on the average code-word length $L(S,\Gamma)$? A. $L(S,\Gamma) \geq H_D(S)-\log_D(e^k)$. B. $L(S,\Gamma) \geq k H_D(S)$. C. $L(S,\Gamma) \geq rac{H_D(S)}{k}$. D. The code would not be uniquely-decodable and thus we can't infer anything on its expected length. Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. f a plant shows up in a new place, what might have happened? A. the plant is able to relocate itself B. it spontaneously appeared there C. its cased embryo have been dispersed D. it walked to the new place Answer:
C
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. An invasion of bacteria on the body can cause body tissue to do what? A. swell B. soften C. adapt D. shrink E. dissolve F. growth G. Injury H. death Answer:
A
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Tick the \textbf{true} assertion. Let $X,Y$ be two random variables over the same probability space. Then, A. $X$ is always independent from $Y$. B. $E(XY)=E(X)\times E(Y)$, if $X$ and $Y$ are independent. C. $\Pr[X = x \, \text{and} \, Y = y ] = \Pr[X = x ] \times \Pr[Y = y]$. D. $X+Y$ does not make sense. Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Particles with what type of electric charges attract each other? A. opposite B. same C. simple D. similar Answer:
A
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. what gets energy from sunlight? A. organisms and their habitat B. Earth orbiting the Sun C. Microscopic organisms D. peachleaf willow E. caves F. density G. objects that have mass H. ocean floor Answer:
A
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Tick the \textbf{false} statement. The Shannon Encryption Model ... A. requires a black-box encryption model. B. assumes a known input distribution. C. assumes the key is independent from the message. D. requires the correctness property $\Pr[C_K^{-1}(C_K(X))=X]=1$. Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What are groups of young stars loosely held together by gravity called? A. constellations B. closed clusters C. open clusters D. galaxies Answer:
C
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What is the study of energy and how it interacts with matter? A. kinetics B. quantum mechanics C. physics D. cosmology Answer:
C
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. How does water from roots reach the leaves? A. water - combining cells B. water - raising cells C. water-conducting cells D. water-phobic cells Answer:
C
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What are formed when crystals precipitate out from a liquid? A. gaseous sedimentary rocks B. chemical sedimentary rocks C. additive sedimentary rocks D. diamonds Answer:
B
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. If one electrical conductor touches another one what will flow through them both? A. zapping power B. tea C. water D. milk Answer:
A
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. You are given the following collection of premises: If I go to the museum, it either rains or snows. I went to the museum on Saturday or I went to the museum on Sunday. It did not rain and it did not snow on Saturday. It did not rain on Sunday. Which conclusions can be drawn from these premises ? (more than one answer can be correct) A. I went to the museum on Sunday. B. It snowed on Sunday. C. I went to the museum on Saturday. D. It was warm on Saturday. Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What is the term for potential energy due to the position of an object above earth? A. gravitational indication energy B. gravitational pull energy C. gravitational recovery energy D. gravitational potential energy Answer:
D
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Tick the \textbf{non-commutative} operation. A. $+$ (addition) over $\mathbb{Z}$ B. $\oplus$ (exclusive-or) C. $-$ (subtraction) over $\mathbb{Z}$ D. $\times$ (multiplication) over $\mathbb{Z}$ Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. In amniotes that lay eggs, the shell of the egg provides protection for the developing embryo while being permeable enough to allow for the exchange of carbon dioxide and this? A. tissue B. oxygen C. gas D. Protein Answer:
B
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What are small planets in our solar system called? A. scrub planets B. dwarf planets C. Tiny planets D. light planets 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} assertion. A distinguisher \ldots A. \ldots can break PRNG. B. \ldots is an algorithm calling an oracle. C. \ldots recovers the secret key of a stream cipher. D. \ldots can differentiate the encryption of two known plaintexts. Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. what are used to reproduce? A. flagella B. nectar C. ocean D. bacteria E. sound F. eggs G. ferns H. bulbs Answer:
F
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. The third line of defense of the immune system is called? A. the malignant response B. the asymptomatic response C. the sudden response D. the immune response Answer:
D
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Poultry can cause what? A. disease B. chickenpox C. heat D. Parkinson's E. murmur F. illness G. autism H. cancer Answer:
F
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Which of the following is WRONG for Ontologies? A. Different information systems need to agree on the same ontology in order to interoperate. B. They help in the integration of data expressed in different models. C. They give the possibility to specify schemas for different domains. D. They 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. Met, asn, trp, and gln connect together like beads on a necklace and are an example of what type of acids? A. peptic acids B. polymer acids C. organism acids D. amino acids Answer:
D
sciq
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 does the following function implement? b => c => b (not c) c A. not c B. b xor c C. b or c D. b and c E. not(b and c) Answer:
B
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Where are protons and neutrons located? A. radius B. epidermis C. nucleus D. electron shell Answer:
C
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What determines which type of precipitation falls? A. air pressure B. air temperature C. ground temperature D. air currents Answer:
B
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What substance causes oxidation by accepting electrons? A. thermal agent B. solvents C. enzymes D. oxidizing agent Answer:
D
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. In vector space retrieval each row of the matrix M corresponds to A. A document B. A concept C. A query D. A term Answer:
D
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What are used to write nuclear equations for radioactive decay? A. radioactive symbols B. nuclear symbols C. critical symbols D. trigonometric symbols 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 operations would switch the user program from user space to kernel space? A. Dividing integer by 0. B. Calling sin() in math library. C. Invoking read() syscall. D. Jumping to an invalid address. Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Tick the \textbf{true} assertion. Let $X,Y$ be two random variables over the same probability space. Then, A. $X$ is always independent from $Y$. B. $E(XY)=E(X)\times E(Y)$, if $X$ and $Y$ are independent. C. $\Pr[X = x \, \text{and} \, Y = y ] = \Pr[X = x ] \times \Pr[Y = y]$. D. $X+Y$ does not make sense. Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Why do animals eat stems? A. Animal survival B. A transportation fuel C. it keeps an organism warm D. It gets more light E. basic building blocks of life F. Plants store liquids there G. it needs them H. Help plants grow Answer:
F
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What is a diploid zygote the result of? A. photosynthesis B. Plant reproduction C. diploid sperm and egg D. mate with females E. Leptospirosis F. haploid sperm and egg G. triploid sperm and egg H. two haploid eggs Answer:
F
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. We are given a data set $S=\left\{\left(\boldsymbol{x}_{n}, y_{n}\right)\right\}$ for a binary classification task where $\boldsymbol{x}_{n}$ in $\mathbb{R}^{D}$. We want to use a nearestneighbor classifier. In which of the following situations do we have a reasonable chance of success with this approach? [Ignore the issue of complexity.] A. $n \rightarrow \infty, D$ is fixed B. $ n \rightarrow \infty, D \ll \ln (n)$ C. $ n=D^2, D \rightarrow \infty$ D. $ n$ is fixed, $D \rightarrow \infty$ Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Consider the following loaded dice with $6$ faces: $P(S_1=6)=5/6$ and $P(S_1 = x)=1/30$ for $x\in\{1,2,3,4,5\}$. Suppose we throw it indefinitely. Hence, we have a source $S=S_1 S_2 S_3\ldots$. Then, the source is stationary. 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 do mollusks not have? A. backbone B. tissue C. alveoli D. life E. heat energy F. a cuticle G. food H. shell Answer:
A
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Saturated and unsaturated are the two main kinds of what? A. sugars B. polymers C. fats D. acids Answer:
C
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What is the study of how living things interact with each other and with their environment? A. ecology B. geology C. scientology D. biology Answer:
A
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What is the process called in which nutrients pass into the bloodstream? A. accumulation B. accumulation C. absorption D. incorporation Answer:
C
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. what is electricity? A. coiled B. movement C. dangerous D. energy E. waves F. engines G. a hazard H. Light Answer:
G
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. There are two basic body plans in cnidarians which are called the polyp and what else? A. stoma B. medusa C. hydra D. spore 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 regarding topic models is false? A. Topic models map documents to dense vectors B. In LDA, topics are modeled as distributions over documents C. LDA assumes that each document is generated from a mixture of topics with a probability distribution D. Topics can serve as features for document classification Answer:
B
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. When trees are harvested, the trees A. are lacking in leaves B. need to be replaced or numbers go down C. are tiny and irrelevant D. are smaller and less Answer:
B
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Categorized based on how they produce their mrna using the baltimore classification method, what consist of a nucleic acid core surrounded by a protein capsid with or without an outer lipid envelope? A. parasites B. amphibians C. viruses D. bacteria Answer:
C
sciq
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 uniquely-decodable. 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. what directs current? A. streams B. switch C. rivers D. squids E. chemicals F. streams. G. hormones H. spring Answer:
B
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. You can see an electrical circuit in motion when A. drinking water B. making toast C. holding hands D. eating carrots Answer:
B
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What job site would most likely utilize powerful magnets that use electricity? A. a grocery store B. a gymnasium C. a scrap yard D. an office Answer:
C
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Places lacking warmth have few what A. biological entities B. biological weapons C. cold entities D. astronomical entities Answer:
A
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. When food is not immediately used for what it is stored in the body? A. fats B. pH C. warmth D. matter E. sodium F. heat G. sugar H. Mass Answer:
F
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Which organism likely contains chlorophyll? A. bamboo B. pandas C. protozoa D. humans Answer:
A
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What is the process in which a solid changes directly to a gas called? A. condensation B. sublimation C. solidification D. vaporization Answer:
B
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What is the term for an ionic compound that produces positive hydrogen ions when dissolved in water? A. hydrocarbon B. base C. acid D. sulfur Answer:
C
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Which system consists of all the nervous tissue that lies outside the central nervous system? A. auxiliary nervous system B. cerebral cortex C. spinal cord D. peripheral nervous system Answer:
D
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What is the name of something some animals use to conserve water and elminate waste? A. it keeps an organism warm B. food and shelter C. Exfoliation D. an area swollen with pus E. swamp vegetation F. excretory structures G. reusing materials H. colder and wetter Answer:
F
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. A Carmichael number $n$ ... A. is a prime number. B. will always pass Fermat's test for any $0 < b < n$. C. verifies that $\forall b$, $\mathsf{gcd}(b,n)=1$ implies that $b^{n-1} \equiv 1 \ \pmod n $. D. will be considered as a prime by the Miller-Rabin algorithm. Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Let $n$ be an integer. What is the cardinality of $\mathbf{Z}^*_n$? A. $n$ B. $n-1$ C. $\varphi(n)$ D. $\varphi(n-1)$ Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. A horse is kicked out of the barn on a hot summer's day, because the stalls need mucked, and the workers have difficulty cleaning around the horses. So the horse is standing in the field, in direct sunlight, and begins to overheat a bit. In order to stand the heat better, the horse A. eats B. stamps C. neighs D. perspires Answer:
D
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. The scale that is used to measure the loudness of sound measures their loudness in what? A. weight B. waves C. decibels D. centimeters Answer:
C
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What stimulates the reproductive organs to develop testicles? A. sperm B. mechanical C. barnacles D. the penis E. the moon F. testosterone G. Chemical energy H. competition Answer:
F
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. if a person remotely controls a machine to do something, which of these is required? A. a thing for information B. these are all incorrect C. a meal to eat D. a floral plant life Answer:
B
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What organ breaks down excess amino acids and toxins in the blood? A. kidney B. heart C. liver D. lungs Answer:
C
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What is the critical factor for the survival of segmented worms? A. sunlight and warmth B. humidity and sunlight C. water and humidity D. sunlight and water 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 are correct implementation for acquire function ? Assume 0 means UNLOCKED and 1 means LOCKED. Initially l->locked = 0. A. c void acquire(struct lock *l) { for(;;) if(xchg(&l->locked, 1) == 0) return; } B. c void acquire(struct lock *l) { if(cas(&l->locked, 0, 1) == 0) return; } C. c void acquire(struct lock *l) { for(;;) if(cas(&l->locked, 1, 0) == 1) return; } D. c void acquire(struct lock *l) { if(l->locked == 0) return; } Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What can run through copper, causing it to heat up? A. activation energy B. oxygen C. water D. an electron lens E. electromagnetic energy F. ice G. hydrogen and oxygen H. electrical current Answer:
H
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What type of roads and parking lots prevent rainwater from soaking into the ground? A. dirt B. paved C. shaded D. gravel Answer:
B
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Laid on dry land by reptiles, amniotic eggs have what that prevents them from drying out? A. waterproof membranes B. oil coating C. double yolks D. double shells Answer:
A
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What do animals require to grow and develop? A. sucrose B. sunlight C. carbon dioxide D. food Answer:
D
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The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Fossil fuel consumption is a major contributor to global emissions of what gas? A. carbon dioxide B. carbon monoxide C. oxygen D. methane Answer:
A
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The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What affects the boiling point of water? A. external pressure B. internal pressure C. heat source D. latter pressure Answer:
A
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The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What do you call materials that have high resistance to electric current? A. semiconductors B. conductors C. electric insulators D. destructive insulators Answer:
C
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. When indexing a document collection using an inverted file, the main space requirement is implied by A. The access structure B. The vocabulary C. The index file D. The postings file Answer:
D
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Let \( f : A ightarrow B \) be a function from A to B such that \(f (a) = |a| \). f is a bijection if: A. \( A= [0, 1] \) and \(B= [-1, 0] \) B. \( A= [-1, 0] \) and \(B= [-1, 0] \) C. \( A= [-1, 0] \) and \(B= [0, 1] \) D. \( A= [-1, 1] \) and \(B= [-1, 1] \) Answer:
C
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Natural openings on the surface, leading to caves are formed by what? A. hydrogen and oxygen B. aqueous solution C. precipitation D. calcite E. erosion F. flow of electrons G. Calcium carbonate H. Physical weathering Answer:
C
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Mean Square Error loss: A. Minimizing the distance between the predicted point and the true point B. Maximizing the probability of the correct class C. Minimizing the score of false classes when they are close, or bigger than, the score of the true class D. Maximizing the accuracy Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. How does LSI querying work? A. The query vector is treated as an additional term; then cosine similarity is computed B. The query vector is transformed by Matrix S; then cosine similarity is computed C. The query vector is treated as an additional document; then cosine similarity is computed D. The query vector is multiplied with an orthonormal matrix; then cosine similarity is computed Answer:
C
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What can be a source of food for many species of fish? A. Fully cooking the oysters B. Organic compounds C. beef D. fishing poles E. sessile organisms F. barnacles G. grass H. gastropod shells Answer:
E
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. A deer is killed and the body is broken down by worms and bacteria. The deer's body is A. bigger B. has less mass C. invisible D. the same shape Answer:
B
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. How many pairs of chromosomes do human have ? A. 19 pairs B. 12 pairs C. 23 pairs D. 31 pairs Answer:
C
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What during reproduction develop into new haploid individuals without being fertilized A. Earth orbiting the Sun B. parasites C. release of spores D. graptolites E. gastropod shells F. honeybees G. barnacles H. They may not survive. Answer:
C
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What part of the brain is divided from front to back into the left and right hemispheres? A. medula oblongata B. cerebellum C. thalmus D. cerebrum Answer:
D
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Candace pushed a button outside her friend's house and a buzzer went off inside the house. A. a circuit was closed B. a circuit was destroyed C. the electricity cut out D. lightning struck the house Answer:
A
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What are the two most common silicates? A. Petalite and Quartz B. Petalite and Analcime C. feldspar and quartz D. Analcime and Feldspar Answer:
C
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Gloves over hands protect what from feeling A. the feet B. the soul C. nerves D. the mind Answer:
C
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. A cartilaginous joint where the bones are joined by fibrocartilage is called a what? A. mitosis B. Testes C. vesicles D. symphysis Answer:
D
sciq