dataset
stringclasses
6 values
id
stringlengths
12
16
question
stringlengths
1
935
choices
listlengths
4
4
answer
stringclasses
4 values
support
stringlengths
0
7.76k
ARC-Easy
arc_04_01113
At some places in Florida, sand on the beaches is being reduced. New sand is brought from other areas and spread on the beaches. What process causes this reduction to the beach sand?
[ "earthquakes", "erosion", "landslides", "weathering" ]
B
null
medmcqa
medmcqa_05_03508
A patient on treatment for leukemia, develops chest pain, pulmonary infiltrates and pleural effusion. The likely cause is
[ "Daunorubicin", "Hydroxyurea", "Cytarabine", "Tretinoin" ]
D
Ans. (D) Tretinoin(Ref: Katzung 10th/899; KDT 8th/e p928)Tretinoin causes chest pain, pleuritis, pulmonary infiltrates and pleural effusion. It is a known human teratogen. Daunorubicin and doxorubicin cause cardiotoxicity manifested as arrhythmias and CHF.
openbookqa
obqa_02_01919
Cellular respiration releases
[ "blood", "waste", "snot", "feces" ]
B
all cells perform cellular respiration
sciq
sciq_01_05373
Energy comes in discrete packages called what?
[ "quasi", "quanta", "quasar", "quota" ]
B
Energy comes in discrete packages called quanta.
medmcqa
medmcqa_05_04326
Which of the following sensations is most affection by cortical lesion
[ "Proprioception", "Temperature", "Itch", "Crude touch" ]
A
Ans. (a) Proprioception(Ref: Ganong, 25th ed/p.169)Cortical sensations are mainly the proprioception, vibratory sensation, two-point discrimination, and stereognosis
sciq
sciq_01_04148
What is the amount of solute that can dissolve in a given amount of solvent at a given temperature?
[ "solubility", "viscosity", "permeability", "humidity" ]
A
Solubility is the amount of solute that can dissolve in a given amount of solvent at a given temperature. In a solution, the solute is the substance that dissolves, and the solvent is the substance that does the dissolving. For a given solvent, some solutes have greater solubility than others. For example, sugar is muc...
math_qa
mathqa_03_01256
find a positive number , which when increased by 8 is equal to 128 times reciprocal of the number .
[ "5", "6", "8", "7" ]
C
explanation : let the number be x . then , x + 8 = 128 x ( 1 / x ) = > x < sup > 2 < / sup > + 8 x - 128 = 0 = > ( x + 16 ) ( x - 8 ) = 0 = > x = 8 answer : option c
openbookqa
obqa_02_02012
The national symbol for the US would most likely eat
[ "roaches", "birds", "mosquitoes", "salmon" ]
D
eagles eat fish
medmcqa
medmcqa_05_03413
The objectives of minimum needs programme does not include-
[ "Integration of health, water and sanitation", "Urban area given priority", "I PHC for 30,000 population", "Link mid-day meal programme to Sanitation" ]
B
Ans. is 'b' i.e., Urban area given priority The priority was given to rural area. 3 Objective were (by the year 2000) i) One PHC for 30,000 population in plains, and 20,000 population in tribal and hilly areas. ii) One sub-centre for a population of 5000 people in the plains and for 3000 in tribal and hilly areas. iii)...
sciq
sciq_01_02180
What is the type of reproduction where part of the parent plant is used to generate a new plant?
[ "coaxed reproduction", "byproduct reproduction", "sexual reproduction", "asexual reproduction" ]
D
32.3 Asexual Reproduction Many plants reproduce asexually as well as sexually. In asexual reproduction, part of the parent plant is used to generate a new plant. Grafting, layering, and micropropagation are some methods used for artificial asexual reproduction. The new plant is genetically identical to the parent plant...
medmcqa
medmcqa_05_01778
A 7-year-old girl is easily distracted in class and exhibits poor scholastic performance. Seizures are precipitated by hyperventilation.
[ "Myoclonic seizures", "Absence seizures", "Atonic seizures", "Myoclonia" ]
B
Ans. (b) Absence seizure.The EEG shows a typical 3/sec spike and generalized wave discharge.Note: Complex (atypical) absence seizures have associated motor components consisting of myoclonic movement of the face, fingers, or extremities and, on occasion, loss of body tone.
openbookqa
obqa_02_01902
A consumer must locate it's own
[ "tools", "nutrition", "soul", "clothes" ]
B
a consumer can not produce its own food
math_qa
mathqa_03_04160
calculate the circumference of a circular field whose radius is 8 centimeters .
[ "17 π cm", "18 π cm", "1 π cm", "16 π cm" ]
D
"circumference c is given by c = 2 π r = 2 π * 8 = 16 π cm answer : d"
sciq
sciq_01_10073
When a solvent with a gas dissolved in it is heated, the kinetic energy of both the solvent and solute _________?
[ "evaporates", "decreases", "generates", "increases" ]
D
Several substances – HCl, NH 3 , and SO 2 – have solubility that decreases as temperature increases. They are all gases at standard pressure. When a solvent with a gas dissolved in it is heated, the kinetic energy of both the solvent and solute increases. As the kinetic energy of the gaseous solute increases, its molec...
openbookqa
obqa_02_01469
If I wanted to get energy what could I do?
[ "Eat a cucumber", "Go running", "Eat dust", "Go swimming" ]
A
having food has a positive impact on an organism 's health
medmcqa
medmcqa_05_00826
According to Bennett's classification, abnormal formation of a part or whole of either arch due to developmental defects of bone is:
[ "Class 1", "Class 2", "Class 3", "Class 4" ]
B
Bennett's Classification
sciq
sciq_01_10679
If two chlorine atoms share their unpaired electrons by making a covalent bond and forming cl2, they can each complete their what?
[ "electron shell", "hypothesized shell", "valence shell", "radiative shell" ]
C
Using Lewis Dot Symbols to Describe Covalent Bonding The valence electron configurations of the constituent atoms of a covalent compound are important factors in determining its structure, stoichiometry, and properties. For example, chlorine, with seven valence electrons, is one electron short of an octet. If two chlor...
sciq
sciq_01_01868
What kind of reproduction results in offspring that are generally all genetically different?
[ "perceptual", "individual", "asexual", "sexual" ]
D
Sexual reproduction is typically slower. However, it also has an advantage. Sexual reproduction results in offspring that are all genetically different. This can be a big plus for a species. The variation may help it adapt to changes in the environment.
sciq
sciq_01_07232
What forms when a glacier scrapes a large hole in the ground?
[ "glacial lake", "frozen lake", "drift lake", "melting lake" ]
A
The depression that allows water to collect to form a lake may come about in a variety of ways. The Great Lakes, for example, are glacial lakes. A glacial lake forms when a glacier scrapes a large hole in the ground. When the glacier melts, the water fills the hole and forms a lake. Over time, water enters the lake fro...
sciq
sciq_01_00685
How many types of galaxies are there?
[ "three", "two", "one", "five" ]
A
Galaxies are divided into three types, according to shape. There are spiral galaxies, elliptical galaxies, and irregular galaxies. Spiral galaxies are a rotating disk of stars and dust. In the center is a dense bulge of material. Several arms spiral out from the center. Spiral galaxies have lots of gas and dust and man...
sciq
sciq_01_06148
All other forms of life, including plants and animals, are composed of what kind of cells?
[ "synthetic", "eukaryotic", "bacterial", "cytoplasmic" ]
B
sciq
sciq_01_00661
Fats are also called triacylglycerols or triglycerides because of their what?
[ "chemical structure", "chemical weight", "atomic number", "elemental type" ]
A
During this ester bond formation, three water molecules are released. The three fatty acids in the triacylglycerol may be similar or dissimilar. Fats are also called triacylglycerols or triglycerides because of their chemical structure. Some fatty acids have common names that specify their origin. For example, palmitic...
openbookqa
obqa_02_03516
You can experiment with seeing evaporation by using
[ "magic", "uncovered mason jars", "nothing", "time travel" ]
B
evaporation causes amount of water to decrease
sciq
sciq_01_04512
What is the largest organ of the human body?
[ "your blood", "your lungs", "your skin", "your brain" ]
C
You couldn’t survive without your skin. It has many important functions. In several ways, it helps maintain homeostasis. The main function of the skin is controlling what enters and leaves the body. It prevents the loss of too much water from the body. It also prevents bacteria and other microorganisms from entering th...
openbookqa
obqa_02_04937
deserts are known for having what type of climates?
[ "moderate", "comfortable", "freezing", "scorching" ]
D
a plant requires a specific climate to grow and survive
sciq
sciq_01_11455
Like animals, cyanobacteria possess what kind of biological rhythm?
[ "circadian rhythm", "brain rhythm", "music rhythm", "variable rhythm" ]
A
sciq
sciq_01_06835
What gas is expired out of the body during exhalation?
[ "carbon monoxide", "carbon dioxide", "hydrogen", "oxygen" ]
B
Introduction Breathing is an involuntary event. How often a breath is taken and how much air is inhaled or exhaled are tightly regulated by the respiratory center in the brain. Humans, when they aren’t exerting themselves, breathe approximately 15 times per minute on average. Canines, like the dog in Figure 39.1, have ...
medmcqa
medmcqa_05_04040
The enzyme deficient in Lesch Nyhan syndrome is:
[ "Adenosine Deaminase", "PRPP synthetase", "HGPRTase", "Xanthine oxidase" ]
C
Ref. Guyton. 13th edition. Page. 879 Lesch-Nyhan syndrome results from a defect in HGPRT, an enzyme involved in the purine salvage pathway. HGPRT catalyzes the conversion of the free base (hypoxanthine of guanine) to a nucleotide (IMP or GMP). HGPRT is not required for de novo purine synthesis, or urate synthesis, or ...
sciq
sciq_01_01914
What is the job of hemoglobin in the body?
[ "transports neurons", "transports oxygen", "become scabs", "infects oxygen" ]
B
Hemoglobin is a protein that transports oxygen throughout the body. Source: Image from the RCSB PDB (www. org) of PDB ID 1I3D (R. Kidd, H. Baker, A. Mathews, T. Brittain, E. Baker (2001) Oligomerization and ligand binding in a homotetrameric hemoglobin: two high-resolution crystal structures of hemoglobin Bart's (gamma...
sciq
sciq_01_05633
What is the term for a structure composed of more than one type of tissue?
[ "system", "marrow", "organ", "cortex" ]
C
Like animals, plants have organs that are specialized to carry out complex functions. An organ is a structure composed of more than one type of tissue. A tissue, in turn, is a group of cells of the same kind that do the same job. In this lesson, you will read about the tissues that do the important work of plants. The ...
medmcqa
medmcqa_05_03187
Left trisegmentectomy involves removal of
[ "Segment II, III, IV, V, VIII", "Segment II, III, IV", "Segment IV, V, VI, VII, VIII", "Segment V, VI, VII, VIII" ]
A
Trisegmentectomy Right trisegmentectomy or extended right hepatectomy : Complete resection of segment IV with the right liver (Removal of segment IV, V, VI, VII, VIII Left trisegmentectomy or extended left hepatectomy : Complete resection of segment V and VIII with left liver (removal of segment II, III, IV, V, VIII) R...
medmcqa
medmcqa_05_04306
Ashley rule is for determination of what:
[ "Age", "Sex", "Height", "Ethnicity" ]
B
Ans. b. Sex (Ref: Modern Medical Toxicology/p4)Ashley's rule is used to know the sex of sternum; It is also known as '149 rule'Differences between Male & Female sternumFeaturesMale sternumFemale sternumBodyBigger, longer & more than twice the length of manubriumShorter & less than twice the length of manubriumAshley's ...
ARC-Easy
arc_04_00206
Which of the following allows the planets to stay in orbit?
[ "the Moon's gravity", "the Sun's gravity", "magnetism", "rotation" ]
B
null
openbookqa
obqa_02_00769
After a long, hard workout, many professionals will help their body to heal by consuming
[ "electrolytes", "protein", "sugar", "carbohydrates" ]
B
protein is used to repair cells by the human body
ARC-Easy
arc_04_00447
How does the appearance of a constellation change during the night?
[ "Its shape appears to become longer.", "Its position appears to shift relative to the horizon.", "Its brightest stars begin to appear orange.", "Its distance to the North Star decreases." ]
B
null
ARC-Challenge
arc_04_03223
Which adaptation often helps an animal attract a mate?
[ "hibernation", "camouflage", "coloration", "migration" ]
C
null
medmcqa
medmcqa_05_04606
Tardy ulnar nerve palsy is due to
[ "Cubitus valgus", "Fixation of the nerve in the groove by osteoahritis", "Excision of elbow joint", "Fracture of internal condyle" ]
A
Tardy ulnar nerve palsy is due to cubitus valgus. Fracture of the lateral condyle of humerus in the long run can lead to complications such as Cubitus valgus. Friction neuritis of the ulnar nerve as it moves over the medial epicondayle every time the elbow is flexed and extended may result in a late ulnar nerve palsy c...
medmcqa
medmcqa_05_01797
A lady of 150 cm height with Hb of 11gm%, BP of 160/110 mm Hg and 12 kg gain during her pregnancy delivered an IUGR baby, the causes in this cases are:
[ "Maternal infection", "Short stature", "HTN", "| Weight gain" ]
C
Ans. is c, i.e. HTN (hypertension)Ref. Dutta Obs. 7/e, p 97, p 260, 51Friends, It is a tricky question which needs only common sense. Answer is hidden in the question itself. So, lets read the question once again and rule out each option one by one.The lady in our question is of 150 cm height ( 5 feet)."While an arbitr...
sciq
sciq_01_08275
What is the only commercial way of reproducing plants such as orchids?
[ "cross-breeding", "cloning", "grafting", "sexual reproduction" ]
B
medmcqa
medmcqa_05_02889
Best specimen of bone for sex determination is :
[ "Femur", "Pelvis", "Skull", "Mandible" ]
B
B i.e. Pelvis
openbookqa
obqa_02_02278
Heat energy may be added to this in order to cook it.
[ "velvet socks", "fish food", "dish water", "cupcake batter" ]
D
if food is cooked then heat energy is added to that food
medmcqa
medmcqa_05_00292
Type 1 diabetes mellitus is associated with-
[ "Male gender", "Old age", "Gestational diabetes", "HLADR3" ]
D
Type 1 DM is the result of interactions of genetic, environmental, and immunologic factors that ultimately lead to T-cell mediated autoimmune destruction of the pancreatic beta cells and insulin deficiency. Type 1 DM, which can develop at any age, develops most commonly before 20 years of age. Most individuals with typ...
sciq
sciq_01_02565
Portable amplifiers have batteries that store what type of energy?
[ "kinetic energy", "carbon energy", "mechanical energy", "chemical energy" ]
D
Amplifier: Tim Walker; Battery: Emilian Robert Vicol. Portable amplifiers have batteries that store chemical energy . Amplifier: CC BY 2.0; Battery: Public Domain.
medmcqa
medmcqa_05_04943
Rickettsial pox is transmitted by a house mice mite. The symtoms similar to chicken pox is caused by which of the following?
[ "Rickettsia ricketsiae", "Rickettsia akari", "R. typhi", "Rickettsia conori" ]
B
Rickettsial pox, caused by Rickettsia akari, is transmitted to humans by the house mouse mite Liponyssoides sanguineus. It is also known as vesicular rickettsiosis, a disease similar to chicken pox. The disorder begins with the bite of an infected mite, which results in a black eschar. The classic triad of rickettsialp...
sciq
sciq_01_06222
What regulates the cell cycle only when they are tightly bound to cdks?
[ "kinases", "subclades", "cyclins", "hormones" ]
C
Cyclins regulate the cell cycle only when they are tightly bound to Cdks. To be fully active, the Cdk/cyclin complex must also be phosphorylated in specific locations. Like all kinases, Cdks are enzymes (kinases) that phosphorylate other proteins. Phosphorylation activates the protein by changing its shape. The protein...
math_qa
mathqa_03_03637
95 white and black tiles will be used to form a 10 x 10 square pattern . if there must be at least one black tile in every row and at least one white tile in every column , what is the maximum difference between the number of black and white tiles that can be used ?
[ "75", "80", "85", "90" ]
C
answer = c please refer diagram below 95 - 10 = 85
medmcqa
medmcqa_05_04371
A malarial survey is conducted in 50 villages having a population of one lakh. Out of 20000 slides examined, 500 turned out to be malaria positive. The annual parasite incidence is -
[ "20%", "5%", "0.50%", "0.40%" ]
C
<> -Annual parasite incidence. = confirmed cases during one year *1000 ---------------------------------------------------------- Population under surveillance (0.5%) -It is based on intensive active and passive surveillance and cases are confirmed by blood examination. Reference : Park's textbook of preventive and soc...
sciq
sciq_01_05751
On the atomic level, the dissolution of an ionic compound occurs when water interacts with the what in the crystal lattice?
[ "ions", "particles", "atoms", "fractals" ]
A
The last property above requires some additional explanation. We are all familiar with the process of dissolution on a large scale. If you stir a spoonful of salt into a glass of water, the salt crystals are broken down and seem to disappear into the water. On the atomic level, the dissolution of an ionic compound occu...
medmcqa
medmcqa_05_00799
OCP's intake cause psychiatric symptoms, and abdominal pain. Diagnosis is:
[ "Acute intermittent porphyria", "Systemic lupus", "Thrombosis", "Anemia" ]
A
Ans. is a, i.e. Acute intermittent porphyriaRef: Harrison 17th/ed, p2439Patient taking OCP's and presenting with abdominal pain and psychiatric problem, diagnosis is undoubtedly acute intermittent porphyria as OCP's can precipitate porphyria.Some drugs which precipitate porphyria are:* BarbituratesSulfonamide antibioti...
sciq
sciq_01_02392
This calcification prevents diffusion of nutrients into the matrix, resulting in what dying and the opening up of cavities in the diaphysis cartilage?
[ "chondrocytes", "keratinocytes", "nanoparticles", "phytocytes" ]
A
matrix and deposit calcium, which hardens the matrix. The non-mineralized portion of the bone or osteoid continues to form around blood vessels, forming spongy bone. Connective tissue in the matrix differentiates into red bone marrow in the fetus. The spongy bone is remodeled into a thin layer of compact bone on the su...
sciq
sciq_01_07393
What is the functional unit of compact bone?
[ "the auteron", "the boron", "the canton", "the osteon" ]
D
Bone matrix provides bones with their basic structure. Notice the spongy bone in the middle, and the compact bone towards the outer region. The osteon is the functional unit of compact bone.
sciq
sciq_01_01473
Dna replication, chromosome segregation, and the separation into two daughter cells are steps in what process?
[ "multiple fission", "reproductive fission", "binary fission", "nuclear fission" ]
C
Binary fission can be described as a series of steps, although it is actually a continuous process. The steps are described below and also illustrated in Figure below . They include DNA replication, chromosome segregation, and finally the separation into two daughter cells.
ARC-Easy
arc_04_00146
Based on the evidence available at the time, early models of the solar system stated that all objects in space orbited Earth. In the 16th century, an astronomer reevaluated the evidence and proposed a model of the solar system that is still in use. What part of this model corrected the mistake in previous solar system ...
[ "The Sun is at the center of this model.", "Earth is the largest object in this model.", "This model contains more than one star.", "This model shows that Earth is stationary." ]
A
null
sciq
sciq_01_03182
What type of analysis is performed to study gene expression patterns in cells?
[ "dna analysis", "proteins analysis", "rna analysis", "residues analysis" ]
C
RNA analysis is performed to study gene expression patterns in cells. RNA is naturally very unstable because RNAses are commonly present in nature and very difficult to inactivate. Similar to DNA, RNA extraction involves the use of various buffers and enzymes to inactivate macromolecules and preserve the RNA. Gel Elect...
ARC-Easy
arc_04_01235
The primary function of a doorbell circuit is to convert electrical energy into
[ "sound.", "motion.", "radiant energy.", "chemical energy." ]
A
null
openbookqa
obqa_02_01421
A person cuts down their neighbor's tree without permission. The neighbor who lost the tree is upset, and sues for the cost of the tree, which depends on the age of the tree at the time of cutting. The tree age is determined by
[ "size of branches", "number of leaves", "color of roots", "number of circles" ]
D
a tree growing a tree-growth ring occurs once per year
math_qa
mathqa_03_03387
find large number from below question the difference of two numbers is 1365 . on dividing the larger number by the smaller , we get 6 as quotient and the 18 as remainder
[ "1235", "1346", "1378", "1634.4" ]
D
"let the smaller number be x . then larger number = ( x + 1365 ) . x + 1365 = 6 x + 18 5 x = 1347 x = 269.4 number = 269.4 + 1365 = 1634.4 d"
sciq
sciq_01_11589
When amino acids bind together, they form a long chain called what, which is an essential component of protein?
[ "polypeptide", "peptide", "enzyme", "lipids" ]
A
When amino acids bind together, they form a long chain called a polypeptide . A protein consists of one or more polypeptide chains. A protein may have up to four levels of structure. The lowest level, a protein’s primary structure, is its sequence of amino acids. Higher levels of protein structure are described in Figu...
openbookqa
obqa_02_04192
A telescope uses what to redirect light
[ "money", "shiny glass", "lasers", "people" ]
B
a mirror reflects light
medmcqa
medmcqa_05_02593
Philadelphia (Ph) chromosome
[ "Deletion", "Break DNA", "Balanced translocation", "Balanced transcription" ]
C
i.e. (Balanced translocation): (414-H17th) (493-94-CMDT-l1)The Philadelphia chromosome (Ph) is derived from a reciprocal translocation between chromosome 9 and 22 with the break point joining the sequence of ABL oncogene with the BCR gene. The fusion of these DNA sequences allows the generation of an entirely noval fus...
openbookqa
obqa_02_02586
An example of camouflage could be
[ "Baking a cake for a birthday", "A sting ray covering itself in sand", "Cleaning make up off my face", "Going naked outside on a rainy day" ]
B
An example of camouflage is an organism looking like leaves
sciq
sciq_01_00336
What is the term for a mixture of two or more substances that has the same composition throughout?
[ "solution", "fluid", "structure", "simple liquid" ]
A
Water is the main ingredient of many solutions. A solution is a mixture of two or more substances that has the same composition throughout. Some solutions are acids and some are bases. To understand acids and bases, you need to know more about pure water. In pure water (such as distilled water), a tiny fraction of wate...
sciq
sciq_01_09944
What organ lets us understand what we see, hear, or sense in other ways, and allows us to use language, learn, think, and remember?
[ "heart", "Kidneys", "bone", "brain" ]
D
The brain is the organ that lets us understand what we see, hear, or sense in other ways. It also allows us to use language, learn, think, and remember. The brain controls the organs in our body and our movements as well. The brain consists of three main parts, the cerebrum, the cerebellum, and the brain stem ( Figure ...
sciq
sciq_01_11087
A fact or question is only considered science if it has what property?
[ "it is believable", "it is testable", "it is interesting", "it is mineral" ]
B
Note the word science in that last sentence. Earth Science is a science, or maybe it’s made up of a lot of sciences. But what is science? Most people think of science as a bunch of knowledge. And it is. But science is also a way of knowing things. It’s different from other ways of knowing because it is based on a metho...
sciq
sciq_01_01358
What is the term for organisms that have adaptations to both salty and basic conditions?
[ "sporozoans", "heterophiles", "haloalkaliphiles", "salinophytes" ]
C
Alkaliphiles are organisms that "love" bases. Bases are like the opposite of acids. Basic environments where archaeans are found include Mono Lake in California, pictured in Figure below . Mono Lake is the oldest lake in North America. The water is not only unusually basic. It's also saltier than the ocean. So archaean...
sciq
sciq_01_08565
Where is the site of photosynthesis?
[ "the organism", "the chloroburst", "another chloroplast", "the chloroplast" ]
D
The chloroplast is the site of photosynthesis. Part of the photosynthesis reactions occur in an internal membrane within the organelle. Many of the pigments and other molecules necessary for photosynthesis are embedded within these internal membranes, The chloroplast contains many of these internal membranes, allowing ...
math_qa
mathqa_03_00243
machine a can finish a job in 6 hours , machine в can finish the job in 12 hours , and machine с can finish the job in 8 hours . how many hours will it take for a , b , and с together to finish the job ?
[ "6 / 5", "7 / 4", "8 / 3", "9 / 2" ]
C
the combined rate is 1 / 6 + 1 / 12 + 1 / 8 = 9 / 24 of the job per hour . the time to complete the job is 24 / 9 = 8 / 3 hours . the answer is c .
ARC-Challenge
arc_04_02710
Scientists analyzed the cells of an animal to determine the cause of an infection. The scientists did not agree on the results of the analysis. What does this disagreement indicate about the nature of science?
[ "Scientists can present data in different formats.", "Scientific results can be interpreted in different ways.", "Scientists are capable of making unsupported claims.", "Scientific results are often different from the expected results." ]
B
null
medmcqa
medmcqa_05_01108
A old lady is getting very irritable. He shows unusual anger at the noise made by her children in the house and sometimes beat her two children harmfully. What kind of psychiatric disorder does lady have: March 2013 (g)
[ "Severe depression", "Schizophrenia", "Paranoid", "Phobia" ]
A
Ans. A i.e. Severe depression Depression MC psychiatric disorder in India: Depression Neurotransmitter involved in depression: - Serotonin, - Norepinephrine MC cause of suicide: Depression MC type of post puerperal psychosis: Depression Nihilistic ideas are seen in: Depression Risk factors for suicide in depression: - ...
sciq
sciq_01_08004
Root systems are mainly of two types. dicots have a tap root system, while monocots have a what?
[ "long root system", "runner root system", "fibrous root system", "attaching root system" ]
C
Types of Root Systems Root systems are mainly of two types (Figure 30.15). Dicots have a tap root system, while monocots have a fibrous root system. A tap root system has a main root that grows down vertically, and from which many smaller lateral roots arise. Dandelions are a good example; their tap roots usually break...
math_qa
mathqa_03_04910
a particular library has 75 books in a special collection , all of which were in the library at the beginning of the month . these book are occasionally loaned out through an inter - library program . if , by the end of the month , 70 percent of books that were loaned out are returned and there are 66 books in the spec...
[ "20", "30", "35", "40" ]
B
total = 75 books . 65 % of books that were loaned out are returned - - > 100 % - 70 % = 30 % of books that were loaned out are not returned . now , there are 66 books , thus 76 - 68 = 7 books are not returned . { loaned out } * 0.30 = 7 - - > { loaned out } = 30 . answer : b .
medmcqa
medmcqa_05_03532
A 35-year-old female complains of slowly progressive dyspnea. Her history is otherwise unremarkable, and there is no cough, sputum production, pleuritic chest pain, or thrombophlebitis. She has taken appetite suppressants at different times. On physical exam, there is jugular venous distention, a palpable right ventric...
[ "Primary pulmonary hypeension", "Recurrent pulmonary emboli", "Cardiac shunt", "Interstitial lung disease" ]
A
(Braunwald, 15/e, pp 1506-1508.) Although a difficult diagnosis to make, primary pulmonary hypeension is the most likely diagnosis in this young woman who has used appetite suppressants. There has been a recent increase in primary pulmonary hypeension in the individuals consuming fenfluramines, an appetite suppressant....
sciq
sciq_01_07354
In hypothesis-based science, specific results are predicted from a general premise, which is called what type of reasoning that proceeds from general to particular?
[ "reactive", "transitive", "deductive", "reflexive" ]
C
lecture. One observation to explain this occurrence might be, “When I eat breakfast before class, I am better able to pay attention. ” The student could then design an experiment with a control to test this hypothesis. In hypothesis-based science, specific results are predicted from a general premise. This type of reas...
sciq
sciq_01_01359
What organism is the most disruptive towards the diversity of other species?
[ "bacteria", "insects", "reptiles", "humans" ]
D
medmcqa
medmcqa_05_04593
The visualization of the angle of anterior chamber by:
[ "Direct ophthalmoscopy", "Indirect ophthalmoscopy", "Gonioscopy", "Perimetery" ]
C
(Gonioscopy) (546-Khurana 4rd)GONIOSCOPY - The angle between the posterior corneal surface and the anterior surface of the iris constitute the angle of the anterior chamber the configuration of which is relevant to the pathogenesis of glaucoma contact between peripheral iris and cornea signifies, a closed angle, which ...
openbookqa
obqa_02_00004
You can make a telescope with a
[ "straw", "Glass", "Candle", "mailing tube" ]
D
Galileo Galilei made improvements to the telescope to make better observations of celestial bodies
sciq
sciq_01_03625
What is used to measure current through a resistor?
[ "microscopes", "spectrographs", "ammeters", "thermometers" ]
C
Ammeters measure the current through a resistor.
medmcqa
medmcqa_05_03556
What is not seen with uremic lung?
[ "Alveolar injury", "Pulmonary edema", "Interstitial fibrosis", "Fibrinous exudate in alveoli" ]
C
Uremic lung Pathophysiology is based on uremia- induced increased permeability of pulmonary alveolar-capillary interfaces Leading to interstitial and intra-alveolar edema, atelectasis, alveolar hemorrhage, and pulmonary hyaline membrane formation. These changes are compounded by bleeding diathesis secondary to platelet...
medmcqa
medmcqa_05_02155
Compliance is greatest during which stage of breathing?
[ "Sta of inspiration", "Mid inspiration", "End of inspiration", "Expiration" ]
A
Extent to which lungs will expand for each unit increase in transpulmonary pressure is called LUNG COMPLIANCE. COMPLIANCE a 1/ Surface tension Surface tension is decreased by surfactant. At sta of inspiration/End of expiration, alveoli are smallest and surfactant is concentrated in alveoli ,Surface tension is least and...
math_qa
mathqa_03_01016
what is the cp of rs 100 stock at 6 discount , with 1 / 5 % brokerage ?
[ "96.9", "96.3", "94.2", "96.7" ]
C
"explanation : use the formula , cp = 100 â € “ discount + brokerage % cp = 100 - 6 + 1 / 5 94.2 thus the cp is rs 94.2 . answer : c"
math_qa
mathqa_03_04455
in a box , there are 8 orange , 7 black and 6 white balls . if one ball is picked up randomly . what is the probability that it is neither orange nor white ?
[ "2 / 3", "3 / 4", "7 / 19", "8 / 21" ]
D
total balls are 21 and neither black nor white . so favor case will be only 8 c 1 and total case 21 c 1 probability will be 8 c 1 / 21 c 1 = 8 / 21 answer : d
openbookqa
obqa_02_00164
Deserts, Jungles, and Oceans have many different
[ "organisms", "fish", "trees", "grasses" ]
A
an ecosystem contains a large community of living organisms in a particular place
sciq
sciq_01_09333
Generators usually transform kinetic energy into what kind of energy?
[ "electrical energy", "potential energy", "subsequent energy", "nuclear energy" ]
A
Generators may produce either alternating or direct current, but they all change kinetic energy to electrical energy.
ARC-Easy
arc_04_01248
The mathematical model for calculating speed is shown below. Speed = distance/time. An airplane traveled 700 kilometers in two hours during a trip. What was the average speed of the plane during the trip?
[ "5.8 kilometers per hour", "350 kilometers per hour", "1400 kilometers per hour", "84,000 kilometers per hour" ]
B
null
medmcqa
medmcqa_05_00892
Gastric motility decreases in A/E:
[ "Diabetes", "Upper abdominal surgery", "Stroke", "Hypehyroidism" ]
D
Answer is D (Hypehyroidism): Hypehyroidism is associated with increased gastric and intestinal motility while Hypothyroidism is associated with decreased gastric and intestinal motility. Hypehyroidism Hyperrnotilitv: diarrhea or steatorrhea Hypothyroidism Decreased motility: reflux, bezoars, ileus, constipation
openbookqa
obqa_02_02514
Making a pie produces a
[ "chemical reaction", "cake", "lots of sweat", "fear of ovens" ]
A
cooking causes a chemical reaction
sciq
sciq_01_11285
There are three basic types of hormones: lipid-derived, amino acid-derived, and what?
[ "secreted", "manipulated", "acidic", "peptide" ]
D
CHAPTER SUMMARY 37.1 Types of Hormones There are three basic types of hormones: lipid-derived, amino acid-derived, and peptide. Lipid-derived hormones are structurally similar to cholesterol and include steroid hormones such as estradiol and testosterone. Amino acid-derived hormones are relatively small molecules and i...
sciq
sciq_01_04993
When you heat a pot of water on a stove top, energy moves from the pot to its metal handle by what process?
[ "induction", "thermal radiation", "conduction", "convection" ]
C
Sunlight is turned into electricity at a solar power plant. These power plants use a large group of mirrors to focus sunlight on one place. This place is called a receiver ( Figure below ). At the receiver, a liquid such as oil or water is heated to a high temperature. The liquid transfers its heat by conduction . In c...
math_qa
mathqa_03_02713
a textile manufacturing firm employees 125 looms . it makes fabrics for a branded company . the aggregate sales value of the output of the 125 looms is rs 5 , 00,000 and the monthly manufacturing expenses is rs 1 , 50,000 . assume that each loom contributes equally to the sales and manufacturing expenses are evenly spr...
[ "13000", "7000", "10000", "2800" ]
D
"explanation : profit = 5 , 00,000 â ˆ ’ ( 1 , 50,000 + 75,000 ) = rs . 2 , 75,000 . since , such loom contributes equally to sales and manufacturing expenses . but the monthly charges are fixed at rs 75,000 . if one loan breaks down sales and expenses will decrease . new profit : - = > 500000 ã — ( 124 / 125 ) â ˆ ’ 1...
math_qa
mathqa_03_04397
what will be the compound interest on rs . 40000 after 3 years at the rate of 12 % per annum
[ "rs 16123.20", "rs 16123.30", "rs 16197.12", "rs 16123.50" ]
C
"explanation : ( 40000 × ( 1 + 12 / 100 ) 3 ) = > 40000 × 28 / 25 × 28 / 25 × 28 / 25 = > 56197.12 so compound interest will be 56197.12 - 40000 = rs 16197.12 option c"
math_qa
mathqa_03_04655
if the number is decreased by 5 and divided by 7 the result is 7 . what would be the result if 4 is subtracted and divided by 10 ?
[ "4", "7", "8", "5" ]
D
"explanation : let the number be x . then , ( x - 5 ) / 7 = 7 = > x - 5 = 49 x = 54 . : ( x - 4 ) / 10 = ( 54 - 4 ) / 10 = 5 answer : option d"
sciq
sciq_01_08814
What is unique and found in all living things because it can form up to four covalent bonds between atoms or molecules?
[ "potassium", "hydrogen", "carbon", "oxygen" ]
C
Chapter 2 1 Figure 2.3 Carbon-12 has six neutrons. Carbon-13 has seven neutrons. 3 Figure 2.24 C 4 A 6 C 8 D 10 C 12 D 14 Ionic bonds are created between ions. The electrons are not shared between the atoms, but rather are associated more with one ion than the other. Ionic bonds are strong bonds, but are weaker than co...
sciq
sciq_01_04295
What type of invertebrate typically has a single spiraled shell?
[ "arthropod", "bipod", "gastropod", "anthropod" ]
C
openbookqa
obqa_02_00569
some level of crushing and pressure would be needed for sedimentary rock formation
[ "this is accurate", "maybe true", "this is untrue", "all of these" ]
A
sedimentary rocks are formed from sediment compacting together
sciq
sciq_01_03467
The ability of matter to combine chemically with other substances is known as?
[ "reactivity", "turbidity", "solubility", "permeability" ]
A
Reactivity is the ability of matter to combine chemically with other substances. Some kinds of matter are extremely reactive; others are extremely unreactive. For example, potassium is very reactive, even with water. When a pea-sized piece of potassium is added to a small amount of water, it reacts explosively. You can...
ARC-Easy
arc_04_01921
Paper chromatography is a process used to separate mixtures of substances into their components. The components are carried by a mobile phase through a stationary phase made of absorbent paper. An investigation analyzed a sample of black ink to determine its components.Which property allows the components to separate?
[ "the solubility of the components in the mobile phase", "the evaporation rate of the components at a certain temperature", "the magnetic property of the components", "the thickness of the paper used as the stationary phase" ]
A
null
ARC-Easy
arc_04_01773
The Piedmont and Coastal Plains regions in Maryland produce crops such as corn, soybeans, wheat, tobacco, tomatoes, and apples. Which environmental factor most likely influences which crops are grown in these regions?
[ "soil quality", "wind speeds", "bird migration", "water temperature" ]
A
null
openbookqa
obqa_02_02281
Which of the following organisms uses what is referred to as system of tubes to transport water and nutrients?
[ "a shark", "a panda", "a bamboo stalk", "a human" ]
C
a plant stem contains a system of tubes for transporting water and nutrients to other parts of the plant
ARC-Easy
arc_04_01014
Which technology used to generate electrical power involves a trade-off between economical electricity and long-term waste disposal problems?
[ "fossil fuel", "nuclear reactor", "solar collector", "wind turbine" ]
B
null
medmcqa
medmcqa_05_01980
The caries reduction benefits of water fluoridation to primary teeth and permanent teeth respectively -
[ "10-30%, 30-50%", "40-50%, 50-60%,", "10-20%, 20-40%", "50-70%, 60-80%" ]
B
Murray  reviewed  113  studies  conducted  in  23  countries to help clarify various reports on the benefits to primary teeth of communal water fluoridation.72  A thorough review of the data clearly showed that water fluoridation provides protection for primary teeth against dental caries but to a somewhat lesser degre...