QUESTION stringlengths 3 2.5k | ANSWER stringlengths 4 302 | CHOICES listlengths 1 4 | RATIONALE stringlengths 0 14.5k ⌀ | dataset stringclasses 8
values | id stringlengths 12 26 |
|---|---|---|---|---|---|
Which of these provides most of the oxygen in Earth's atmosphere?
A. coral reefs
B. rainforest plants
C. ocean phytoplankton
D. continental grasslands
Answer: | C. ocean phytoplankton
| [
""
] | To determine which option provides most of the oxygen in Earth's atmosphere, we need to analyze each of the choices:
A. **Coral reefs**: While coral reefs are important ecosystems and support a diverse range of marine life, they are not significant contributors to oxygen production. They do have some photosynthetic or... | mmlu | mmlu_0000047 |
Which stimulus causes a porcupine to extend its quills? | C. threatening behavior by predators | [
"lunar effect on Earth",
"seasonal temperature changes",
"threatening behavior by predators",
"environmental encroachment by humans"
] | arc_easy | arc_easy_0001146 | |
Rapid X descent unlikely in | C. RVMI | [
"Constrictive pericarditis",
"Cardiac tamponade",
"RVMI",
"Restrictive cardiomyopathy"
] | Answer is C (RVMI) Rapid 'x' descent is rare in RVMI Feature Tamponade Constrictive Pericaditis Restrictive Cardiomyopathy RVMI Prominent x descent Present Usually present Present Rare Prominent y descent Absent Usually present Rare Rare | medmcqa | medmcqa_0004786 |
If 1=x. 2=2x 3=4x....
what is 2x*6x+5x/4x-56x | D. 10 | [
"1",
"22",
"23",
"10"
] | Let
1=x
2=2x
3=4x
4=8x
5=16x
6=32x
7=64x
now given
2x*6x+5x/4x-56x
i can write it as
=2x*(2x+4x)+(x+4x)/4x-(64x-8x)
Now by putting the values i get
=2*(2+3)+(8+1)/3-(7-4)
=2*5+9/3-3
=10+9/3-3
=10+3-3
=10
ANSWER:D | aqua_rat | aqua_rat_0000417 |
Which muscle is a band-like muscle that extends from the anterior superior iliac spine to the medial side? | A. sartorius | [
"sartorius",
"tibialis anterior",
"soleus",
"vastus medialis"
] | The muscles of the anterior compartment of the thigh flex the thigh and extend the leg. This compartment contains the quadriceps femoris group, which actually comprises four muscles that extend and stabilize the knee. The rectus femoris is on the anterior aspect of the thigh, the vastus lateralis is on the lateral aspe... | sciq | sciq_0001697 |
If n is a positive integer and the product of all integers from 1 to n, inclusive, is a multiple of 690, what is the least possible value of n? | C. 23 | [
"10",
"11",
"23",
"13"
] | 690 = 2 * 3 * 5 * 23
so the least value forNcan be 23.
E | aqua_rat | aqua_rat_0004808 |
The burning of what type of fuels is a major source of sulfur oxides and nitrogen oxides? | D. fossil | [
"synthetic",
"renewable",
"biofuels",
"fossil"
] | sciq | sciq_0010407 | |
What season do the largest waves for surfers typically come? | A. winter | [
"winter",
"autumn",
"spring",
"summer"
] | Jaws Beach in Maui, Hawaii has legendary waves. The largest waves come when winds are very strong, usually in the winter. The rocks and reef offshore magnify the size of the incoming wave energy. Cowabunga!. | sciq | sciq_0001709 |
Over geologic time, global mean sea level has varied significantly. Which change is most likely responsible for an increase in global mean sea level? | D. melting of polar ice caps | [
"erosion of sediment from a mountain range",
"mass extinction of marine organisms",
"formation of an ocean trench",
"melting of polar ice caps"
] | arc_easy | arc_easy_0000045 | |
If incidence = 50 cases/1000 population/year and mean duration of disease = 5 years, then prevalence would be: | B. 250 | [
"10",
"250",
"10-Jan",
"1/250"
] | null | medmcqa | medmcqa_0002588 |
Best anti - Emetic for patient treated with radiotherapy - | C. Ondansetron | [
"Clonidine",
"Metoclopromide",
"Ondansetron",
"Cisapride"
] | Ans. is 'c' i.e., Ondansetron Chemotherapy induced nausea and vomiting: Cytotoxic drugs and radiation cause cellular damage which leads to release of 5-HT from intestine and activation of emetogenic 5-HT3 receptors. Therefore, 5-HT3 receptor antagonists (e.g. ondenstron) are the DOC for this condition. Cisplatin is the... | medmcqa | medmcqa_0004096 |
How many integers between 324,700 and 458,600 have tens digit 1 and units digit 3? | A. 1,339 | [
"1,339",
"10,030",
"1,353",
"1,352"
] | There is one number in hundred with 1 in th tens digit and 3 in the units digit: 13, 113, 213, 313, ...
The difference between 324,700 and 458,600 is 458,600-324,700=133,900 - one number per each hundred gives 133,900/100=1,339 numbers.
Answer: E | aqua_rat | aqua_rat_0004275 |
The letters O,L and T are rearranged to form the word 'Lot'. Find its probability. | B. 1/6 | [
"1/18",
"1/6",
"1/4",
"1/8"
] | Explanation :
There are total 3 letters. The probability that O gets the first position is 1/3.
Likewise, probability for L and T are 1/2 and 1/1.
Hence, the required probability is:-
=> (1/3) x (1/2) x 1.
=> 1/6.
Answer : E | aqua_rat | aqua_rat_0007834 |
Perimeter of front wheel =30, back wheel = 20. If front wheel revolves 240 times. How many revolutions will the back wheel take? | D. 360 | [
"120",
"180",
"240",
"360"
] | sice the distance covered by both the wheels should be same
so
let x be the no. of revolutions by the back wheel
so 240*2*pie*30=x*2*pie*20
so x=360.
ANSWER:D | aqua_rat | aqua_rat_0001332 |
The Fenton reaction leads to free radical generation when: | C. Ferrous ions are converted to ferric ions. | [
"Radiant energy is absorbed by water",
"Hydrogen peroxide is formed by Myeloperoxidase.",
"Ferrous ions are converted to ferric ions.",
"Nitric oxide is converted to peroxynitrite anion."
] | Ans. is 'c' i.e. Ferrous ions are converted to ferric ions Free radicals are generated through Fenton's reaction.In this reaction iron is converted from its ferrous to ferric form and a free radical is generated, i.e.(H2O+Fe2+ - Fe3++OH++OH-)Note H2O2 can also react with copper instead of iron to produce free radicals.... | medmcqa | medmcqa_0002543 |
A bag contains 23 purple jellybeans, 12 green jellybeans, and 15 yellow jellybeans; these jellybeans are the only items in the bag. If a person picks a jellybean at random out of the bag, what is the probability that the jellybean will be green? | C. 24% | [
"15%",
"20%",
"24%",
"30%"
] | p = 23 , g=12 , y=15
total = 50
p(green)=(12/50)*100 = 24% . Ans = C | aqua_rat | aqua_rat_0008879 |
What organs are the main organs of the urinary system? | D. kidneys | [
"spleen",
"gall bladder",
"prostate",
"kidneys"
] | The kidneys are the main organs of the urinary system. | sciq | sciq_0002480 |
Unlocking of knee is done by which muscle:September 2009, March 2013 (d, e, h) | C. Popliteus | [
"Adductor magnus",
"Biceps femoris",
"Popliteus",
"Saorius"
] | Ans. C: PopliteusPopliteus muscleOrigin: Lateral surface of lateral condyle of femurInseion: Posterior surface of shaft of tibia above soleal lineNerve supply: Tibial nerve L4, 5; S1Action: Flexes leg at knee joint; unlocks knee joint by lateral rotation of femur on tibia and slackens ligaments of joint | medmcqa | medmcqa_0009756 |
What cause rabies, measles, diarrheal diseases, hepatitis, polio, and cold sores? | B. viruses | [
"parasites",
"viruses",
"contaminants",
"bacteria"
] | Viruses cause many human diseases. In addition to the diseases mentioned above, viruses cause rabies, measles, diarrheal diseases, hepatitis, polio, and cold sores (see Figure below ). Viral diseases range from mild to fatal. One way viruses cause disease is by causing host cells to burst open and die. Viruses may also... | sciq | sciq_0011095 |
A 3-month-old female infant is diagnosed with anal stenosis after several periods of stool infrequency, two of which lasted 10 days without a bowel movement. Which of the following is the most likely cause of this condition? | B. Dorsal deviation of the urorectal septum | [
"Incomplete separation of the cloaca by the urorectal septum",
"Dorsal deviation of the urorectal septum",
"Failure of the anal membrane to perforate",
"Abnormal recanalization of the colon"
] | Dorsal deviation of the urorectal septum results in anal stenosis. Incomplete separation of the cloaca by the urorectal septum results in anal agenesis. Failure of the anal membrane to perforate results in imperforate anus. The anal canal exists but is obstructed by a layer of tissue. Abnormal recanalization of the col... | medmcqa | medmcqa_0000033 |
What type of planet is jupiter? | D. a gas giant | [
"a noble gas",
"a red dwarf",
"a phantom",
"a gas giant"
] | Since Jupiter is a gas giant, could a spacecraft land on its surface? The answer is no. There is no solid surface at all! Jupiter is made mostly of hydrogen, with some helium, and small amounts of other elements. The outer layers of the planet are gas. Deeper within the planet, the intense pressure condenses the gases ... | sciq | sciq_0006956 |
No color change is seen in subconjunctival hemorrhage due to: WB 09 | C. Continuous O2 supply | [
"Continuous CO2 supply",
"Little amount of blood is present",
"Continuous O2 supply",
"Color change occurs but not visible to naked eye"
] | Ans. Continuous O2 supply | medmcqa | medmcqa_0009321 |
The length of a rectangle is two - fifths of the radius of a circle. The radius of the circle is equal to the side of the square, whose area is 1225 sq.units. What is the area (in sq.units) of the rectangle if the rectangle if the breadth is 9 units? | A. 126 sq.units | [
"126 sq.units",
"170 sq.units",
"190 sq.units",
"940 sq.units"
] | Explanation:
Given that the area of the square = 1225 sq.units
=> Side of square = √1225 = 35 units
The radius of the circle = side of the square = 35 units Length of the rectangle = 2/5 * 35 = 14 units
Given that breadth = 10 units
Area of the rectangle = lb = 14 * 9 = 126 sq.units
Answer: Option A | aqua_rat | aqua_rat_0007654 |
Which molecules in the body holds energy? | C. glucose molecules | [
"mitochondria molecules",
"lipid molecules",
"glucose molecules",
"water molecules"
] | How does the food you eat provide energy? When you need a quick boost of energy, you might reach for an apple or a candy bar. But cells do not "eat" apples or candy bars; these foods need to be broken down so that cells can use them. Through the process of cellular respiration , the energy in food is changed into energ... | sciq | sciq_0003990 |
20-year-old female presents with a cystic swelling in the neck- It moves up with protrusion of tongue. | B. TG cyst | [
"Thyroid swelling",
"TG cyst",
"Sublingual gland swelling",
"Ranula- plunging"
] | Ans. (b) TG cyst* Thyroglossal cyst moves with protrusion of tongue* Other swellings which move only with deglutition are - Subhyoid bursitis, Midline Dermoid cyst and Thyroid swelling. | medmcqa | medmcqa_0005649 |
(5)1.25 × (12)0.25 × (60)0.75 = ? | D. 300 | [
"420",
"260",
"200",
"300"
] | Explanation :
(5)1.25 × (12)0.25 × (60)0.75
=(5)1.25 × (12)0.25 × (12 × 5)0.75
= (5)1.25 × (12)0.25 × (12)0.75 × (5)0.75
= (5)(1.25 + 0.75) × (12)(0.25 + 0.75)
= (5)2 × (12)1
= 25 × 12
= 300
Answer : Option D | aqua_rat | aqua_rat_0003804 |
How many shots of 1cm radius can be prepared from a sphere of 6cm radius? | C. 216 | [
"33",
"88",
"216",
"288"
] | 4/3 π * 6 * 6 * 6 = 4/3 π * 1 * 1 * 1 * x
x = 216
Answer: C | aqua_rat | aqua_rat_0009374 |
Which of the following disorders is LEAST likely to cause high output failure? | B. Addison disease | [
"Thiamine deficiency",
"Addison disease",
"Hypehyroidism",
"Paget disease of bone"
] | High output failure is least likely to be associated with Addison disease, which is characterized by massive salt wasting and hypotension from mineralocoicoid deficiency. Patients are more likely to experience hypovolemic shock than high output failure. High output failure is the outcome of any condition that increases... | medmcqa | medmcqa_0004936 |
By selling 28 metres of clothes, a shopkeeper gains the price of 3 metres of clothes. His gain per cent is | B. 12% | [
"16%",
"12%",
"14%",
"13%"
] | Suppose S.P of 28 meters of cloth = Rs 28
Therefore, Gain = Rs 3 => C.P = Rs 25
Gain % = 3/25 x 100 = 12%
Gain = 12%
ANSWER:E | aqua_rat | aqua_rat_0009700 |
A very preterm baby on 30 mL/kg of enteral feeding developed sudden severe abdominal distension with visible bowel loops on day 6 of life. The baby also showed temperature instability and lethargy. X-ray of the abdomen showed portal venous gas. The staging of NEC is? | C. 2b | [
"I",
"2a",
"2b",
"3a"
] | c. 2b(Ref: Nelson's 20/e p 869-870, Ghai 8/e p 165-166)Stage of NECRadiological featureINormal/mild intestinal dilatation IIIIa: Pneumatosis intestinalis;IIb: Portal vein gasIIIIIIa: Peritonitis/Ascites;IIIb: Pneumoperitoneum | medmcqa | medmcqa_0005788 |
Bones, cartilage, and ligaments make up what anatomical system? | C. skeletal system | [
"Integumentary system",
"Muscular system",
"skeletal system",
"Lymphatic system"
] | The skeletal system is made up of bones, cartilage, and ligaments. The skeletal system has many important functions in your body. What bones protect the heart and lungs? What protects the brain?. | sciq | sciq_0011659 |
What is the only way to completely avoid stis? | B. avoid sexual contact | [
"cover your mouth",
"avoid sexual contact",
"contraceptive use",
"oral sex"
] | The only completely effective way to prevent infection with STIs is to avoid sexual contact and other risky behaviors. Using condoms can lower the risk of becoming infected with STIs during some types of sexual activity. However, condoms are not foolproof. Pathogens may be present on areas of the body not covered by co... | sciq | sciq_0005268 |
Plants can help prevent erosion or contribute to erosion. Which describes how plants could contribute to erosion? | B. Plant roots grow in rocks, breaking the rocks. | [
"Plants slow the runoff of water and soil.",
"Plant roots grow in rocks, breaking the rocks.",
"Plant roots hold the soil in place against wind.",
"Plants break the impact of raindrops before they hit the soil."
] | arc_challenge | arc_challenge_0000510 | |
A solution with a pH of 2 can be increased to a pH above 7 by adding | C. a base. | [
"an acid.",
"water.",
"a base.",
"hydrogen."
] | arc_challenge | arc_challenge_0000716 | |
What function does the longer flagellae perform in dinoflagellates? | C. propels | [
"grasps",
"defends",
"propels",
"attacks"
] | 22.11.5 Pyrrophytes Pyrrophytes are unicellular, photosynthetic, and mostly aquatic. They have protective coats composed of stiff cellulose. They are more easily identifiable, due to the presence of two flagellae. The longer flagellae propels the dinoflagellate, while the second shorter, flatter flagellae functions as ... | sciq | sciq_0009272 |
What are the only living organisms that can make their own food? | C. plants | [
"animals",
"bacteria",
"plants",
"protozoa"
] | sciq | sciq_0004619 | |
Power in electricity is the voltage multiplied by what? | C. the current | [
"power",
"wattage",
"the current",
"amperes"
] | ; Power in electricity is the voltage multiplied by the current. | sciq | sciq_0005576 |
What type of cells are flagella rare in? | D. eukaryotic | [
"intracellular",
"synthetic",
"cancer.",
"eukaryotic"
] | Some bacteria also have tail-like structures called flagella ( Figure below ). Flagella help bacteria move. As the flagella rotate, they spin the bacteria and propel them forward. It is often said the flagella looks like a tiny whip, propelling the bacteria forward. Though some eukaryotic cells do have a flagella, a fl... | sciq | sciq_0010582 |
What blood protein carries oxygen from the lungs to cells throughout the body? | D. hemoglobin | [
"plasma",
"dopamine",
"platelets",
"hemoglobin"
] | The blood protein hemoglobin binds with oxygen and carries it from the lungs to cells throughout the body. Heme is a small molecule containing iron that is part of the larger hemoglobin molecule. Oxygen binds to the iron in heme. | sciq | sciq_0003689 |
Most common lesion assoasiated with pathological fractures in hand is | A. Enchondroma | [
"Enchondroma",
"Metastases",
"Osteoid sarcoma",
"Osteochondroma"
] | Majority of the pathological fractures are caused by Enchondromas Refer Management of hand fractures | medmcqa | medmcqa_0009916 |
Carbon dioxide is an example of a material that easily undergoes what? | B. sublimation | [
"amplification",
"sublimation",
"decomposition",
"spontaneous mutation"
] | Carbon dioxide is an example of a material that easily undergoes sublimation. | sciq | sciq_0008773 |
What process, which results because of great pressure at the center of a star, causes stars to shine? | C. nuclear fusion | [
"electric fusion",
"gravitational pull",
"nuclear fusion",
"energy fusion"
] | Stars shine because of nuclear fusion. Fusion reactions in the Sun's core keep our nearest star burning. Stars are made mostly of hydrogen and helium. Both are very lightweight gases. A star contains so much hydrogen and helium that the weight of these gases is enormous. The pressure at the center of a star is great en... | sciq | sciq_0010544 |
Fractures, osteoarthritis, and rickets are problems of which body system? | B. skeletal system | [
"circulatory system",
"skeletal system",
"digestive system",
"cardiovascular system"
] | Skeletal system problems include fractures, osteoarthritis, and rickets. | sciq | sciq_0004141 |
If a cistern has 3 pipes of 1 cm , 4/3 cm and 2 cm thickness ...where the pipe with 2 cm thickness can fill the cistern in 2 hrs and 2 min..then in how much time they can fill the tank? | D. 56.7min | [
"53.7min",
"54.7min",
"55.7min",
"56.7min"
] | 2cm can fill in 122min
thickness inversly propotional to time
total thickness of the pipe=1+4/3+2=4.3
we know that 2cm can fill in 122min
for 4.3cm time =56.7min
ANSWER:D | aqua_rat | aqua_rat_0000099 |
What is defined in physics as the amount of force pushing against a given area? | D. pressure | [
"resistance",
"gravity",
"energy",
"pressure"
] | Particles of gas are constantly moving in all directions at random. As a result, they are always bumping into each other and other things. This is modeled in the Figure below . The force of the particles against things they bump into creates pressure. Pressure is defined in physics as the amount of force pushing agains... | sciq | sciq_0004648 |
Inveor of foot is | A. Tibialis posterior | [
"Tibialis posterior",
"Peroneus teius",
"Peroneus brevis",
"Gastrocnemius"
] | Eversion: movement in which the lateral border of the foot is elevated so that the sole faces laterally. Inversion: movement in which the medial border of the foot is elevated so that the sole faces medially. In eversion and inversion, the entire pa of the foot below the talus moves together. Inversion is accompanied b... | medmcqa | medmcqa_0008864 |
Aging is associated with the death of what? | D. cells | [
"muscles",
"genes",
"proteins",
"cells"
] | Aging is associated with the death of cells. Give two reasons why cells die. | sciq | sciq_0004627 |
Do most substances increase or decrease in size when they change from a liquid to a solid? | C. decrease | [
"increase",
"it is unable to be measured",
"decrease",
"stay the same"
] | This is how ice wedging works. When liquid water changes into solid ice, it increases in volume. You see this when you fill an ice cube tray with water and put it in the freezer. The ice cubes go to a higher level in the tray than the water. You also may have seen this if you put a can of soda into the freezer so that ... | sciq | sciq_0002078 |
A 40 year old male patient complains of pins and needles sensation in the legs. Patient consumes polished rice as staple food. This patient may be suffering from deficiency of- | B. Vitamin B1 | [
"Vitamin C",
"Vitamin B1",
"Vitamin B2",
"Vitamin A"
] | Deficiency of vitamin B1 causes beriberi
Beri-beri is mostly seen in populations consuming exclusively polished rice as staple food.
The early symptoms of thiamine deficiency are loss of appetite (anorexia), weakness, constipation, nausea, mental depression, peripheral neuropathy, irritability etc.
Numbness in the le... | medmcqa | medmcqa_0005374 |
A man gets a simple interest of Rs.200 on a certain principal at the rate of 5% p.a in two years. Find the compound interest the man will get on twice the principal in two years at the same rate? | A. s.410 | [
"s.410",
"s.226",
"s.300",
"s.356"
] | Let the principal be Rs.P
S.I at 5% p.a in 2 years on Rs.P = Rs.200
(P)(2)(5)/100 = 200
P = 2000
C.I on Rs.2P i.e., Rs.4000 at 5% p.a in two years
=4000{ [1 + 5/100]^2 - 1}
= 4000(41/ 400)
= Rs.410
Answer:E | aqua_rat | aqua_rat_0004798 |
Which of the following describes how a microwave oven heats food? | D. Water molecules in the food absorb the energy of microwave radiation. | [
"The oven's interior reflects heat onto the food.",
"The oven's interior, like a lens, focuses heat onto the food.",
"Water molecules in the food reflect energy from microwave radiation.",
"Water molecules in the food absorb the energy of microwave radiation."
] | arc_easy | arc_easy_0001028 | |
A train covers a distance of 12 km in 10 min. If it takes 6 sec to pass a telegraph post, then the length of the train is? | C. 120 m | [
"90 m",
"100 m",
"120 m",
"140 m"
] | Speed = (12/10 * 60) km/hr = (72 * 5/18) m/sec = 20 m/sec.
Length of the train = 20 * 6 = 120 m.
ANSWER:C | aqua_rat | aqua_rat_0004052 |
What is the most likely function of a turtle's hard shell? | C. provide protection | [
"convert energy",
"increase speed",
"provide protection",
"allow for reproduction"
] | arc_easy | arc_easy_0001828 | |
What are living things that obtain glucose by eating self feeders called? | C. heterotrophs | [
"viruses",
"producers",
"heterotrophs",
"chimeras"
] | Types of organisms that make glucose by photosynthesis are pictured in Figure below . They include plants, plant-like protists such as algae, and some kinds of bacteria. Living things that make glucose are called autotrophs ("self feeders"). All other living things obtain glucose by eating autotrophs (or organisms that... | sciq | sciq_0000139 |
A patient with blunt trauma of abdomen at 48 hours, USG shows normal, but patient had tenderness in left lumbar region. Best appropriate diagnosis is by: | C. CECT abdomen | [
"MCU",
"IVP",
"CECT abdomen",
"Repeat USG"
] | Suspect - injury of kidney in left abdomen. MCU is IOC for Vesicourethral Reflux IVP is IOC for Ureterocele | medmcqa | medmcqa_0006187 |
How many chromosomes are in each set? | C. 23 | [
"21",
"13",
"23",
"22"
] | Human cells normally have two sets of chromosomes, one set inherited from each parent. There are 23 chromosomes in each set, for a total of 46 chromosomes per cell. Each chromosome in one set is matched by a chromosome of the same type in the other set, so there are actually 23 pairs of chromosomes per cell. Each pair ... | sciq | sciq_0003545 |
What two organs secrete fluids that aid in digestion? | C. pancreas and liver | [
"spleen and bladder",
"kidney and gall bladder",
"pancreas and liver",
"stomach and lung"
] | The pancreas and liver secrete fluids that aid in digestion. | sciq | sciq_0005641 |
You have been given a physical balance and 7 weights of 43, 45, 30, 33, 28, 37 and 55 kgs. Keeping weights on one pan and object on the other, what is the maximum you can weigh less than 145 kgs. | B. 143 | [
"145",
"143",
"147",
"141"
] | 55 + 43 + 45 = 143
Answer: B | aqua_rat | aqua_rat_0007292 |
What is a popular treatment for kidney failure? | D. dialysis | [
"metastasis",
"psychotherapy",
"electrolysis",
"dialysis"
] | Uncontrolled diabetes may damage capillaries of nephrons. As a result, the kidneys lose much of their ability to filter blood. This is called kidney failure . The only cure for kidney failure is a kidney transplant, but it can be treated with dialysis. Dialysis is a medical procedure in which blood is filtered through ... | sciq | sciq_0003097 |
The posterior end of a typical rib is called what? | A. head | [
"head",
"chest",
"neck",
"bottom"
] | Parts of a Typical Rib The posterior end of a typical rib is called the head of the rib (see Figure 7.27). This region articulates primarily with the costal facet located on the body of the same numbered thoracic vertebra and to a lesser degree, with the costal facet located on the body of the next higher vertebra. Lat... | sciq | sciq_0003577 |
Mees lines are seen in? | A. Arsenic poisoning | [
"Arsenic poisoning",
"Lead poisoning",
"Iodine poisoning",
"Phosphorus"
] | ANSWER: (A) Arsenic poisoningREF: Parikh 6th Ed Pg 9.11See APPENDIX-42 for "ANTIDOTES &TOXICOLOGY"Repeat Forensic medidne 2013 Sessionl, 2012 Session 1, December 2011, 2007 | medmcqa | medmcqa_0007367 |
If x = 3p, where p is a prime number greater than 2, how many different positive even divisors does x have, including x? | A. 0 | [
"0",
"1",
"2",
"3"
] | p is prime greater than 2 thus p is odd
3p is odd
Thus no even factors
Ans:A | aqua_rat | aqua_rat_0007985 |
Which is considered a nonrenewable resource? | A. oil | [
"oil",
"soil",
"food",
"water"
] | arc_challenge | arc_challenge_0000492 | |
An organism, such as a nematode worm, may have only 1000 cells. It should be classified as being
A. a virus.
B. a bacteria.
C. unicellular.
D. multicellular.
Answer: | D. multicellular.
| [
""
] | To determine the correct classification of an organism like a nematode worm, which has around 1000 cells, we need to understand the definitions of the options provided:
A. **Virus**: Viruses are not considered living organisms as they do not have cellular structures and cannot reproduce independently. They require a h... | mmlu | mmlu_0001010 |
Nuclei with even numbers of protons, neutrons, or both are more likely to be this? | B. stable | [
"ionic",
"stable",
"solid",
"unstable"
] | The nuclei that are to the left or to the right of the band of stability are unstable and exhibit radioactivity. They change spontaneously (decay) into other nuclei that are either in, or closer to, the band of stability. These nuclear decay reactions convert one unstable isotope (or radioisotope) into another, more st... | sciq | sciq_0005559 |
A merchant gets a 5% discount on each meter of fabric he buys after the first 2,000 meters and a 7% discount on every meter after the next 1,500 meters. The price, before discount, of one meter of fabric is $2, what is the total amount of money the merchant spends on 5,500 meters of fabric? | D. $10,570 | [
"$7,360",
"$8,540",
"$9,720",
"$10,570"
] | For first 2000 meters he does not get any discount.
The price is 2*2000 = $4000
For next 1500 meters, he gets a 5% discount.
The price is 1.9*1500 = $2850
For the next 1500 meters, he gets a 7% discount.
The price is 1.86*2000 = $3720
The total price is $4000 + $2850 + $3720 = $10,570
The answer is D. | aqua_rat | aqua_rat_0002868 |
In 1998 the profits of company N were 10 percent of revenues. In 1999, the revenues of company N fell by 20 percent, but profits were 14 percent of revenues. The profits in 1999 were what percent of the profits in 1998? | D. 112% | [
"80%",
"105%",
"120%",
"112%"
] | 0,112R = x/100*0.1R
Answer D | aqua_rat | aqua_rat_0000645 |
A, B, C together started a business. A invested Rs.6000 for 5 months B invested Rs.3600 for 6 months and C Rs.7500 for 3 months. If they get a total profit of Rs.7410. Find the share of A? | B. 3000 | [
"2277",
"3000",
"2682",
"7222"
] | 60*5:36*6:75*3
100: 72: 75
100/247 * 7410 = 3000
Answer:B | aqua_rat | aqua_rat_0003733 |
The average age of seven persons sitting in a row facing east is 28 years. If the average age of the first three persons is 25 years and the average age of the last three persons is 32 years, then find the age of the person sitting in the middle of the row? | C. 25 years | [
"9 years",
"29 years",
"25 years",
"19 years"
] | Total age seven persons = (28 * 7)years
Total age of the first three persons and the last three persons are (25 * 3) years and (32 * 3) years respectively.
Age of the person sitting in the middle of the row = 28 * 7 - 25 * 3 - 32 * 3 = 196 - 75 - 96 = 25 years.
ANSWER:C | aqua_rat | aqua_rat_0001561 |
Which continent is the only one that reptiles don't inhabit? | A. antartica | [
"antartica",
"South America",
"Africa",
"Europe"
] | Today, reptiles live in a wide range of habitats. They can be found on every continent except Antarctica. Many turtles live in the ocean, while others live in freshwater or on land. Lizards are all terrestrial, but their habitats may range from deserts to rainforests, and from underground burrows to the tops of trees. ... | sciq | sciq_0008077 |
What does fog consist of? | B. droplets of water | [
"helium",
"droplets of water",
"steam",
"carbon monoxide"
] | Both of these photos show the famous Golden Gate Bridge near San Francisco, California. The pictures were taken from about the same point of view, but they look very different. In the picture on the left, the deck of the bridge is almost completely hidden by a thick layer of fog. In the picture on the right the fog has... | sciq | sciq_0008435 |
Scientists estimate that Maryland contains more than 850 million tons of coal. Coal is most commonly used to produce ___. | A. electricity | [
"electricity",
"medicine",
"metals",
"water"
] | arc_easy | arc_easy_0001995 | |
What is the cutting and burning trees to clear land for farming called? | D. slash-and-burn agriculture | [
"reduce-and-ignite agriculture",
"drop-and-blaze agriculture",
"cut-and-smoke farming",
"slash-and-burn agriculture"
] | Cutting and burning trees to clear land for farming is called slash-and-burn agriculture. How does this affect the atmosphere?. | sciq | sciq_0002691 |
Increased level of NM indicates? | C. Acute infection | [
"Vaccination",
"Immunized person",
"Acute infection",
"Chronic infection"
] | Ans. is 'c' i.e., Acute Infection IgM is the earliest immunoglobulin class to be synthesized by the fetus, begining at 20 weeks of age. As it is not transpoed across the placenta, the presence of IgM in the fetus or newborn indicates intrauterine infection and its detection is useful in the diagnosis of congenital infe... | medmcqa | medmcqa_0008517 |
What is the colorless gas with a sharp, pungent odor used in smelling salts? | A. ammonia | [
"ammonia",
"helium",
"hydrogen",
"nitrogen"
] | Ammonia is a colorless gas with a sharp, pungent odor. Smelling salts utilize this powerful odor. Gaseous ammonia readily liquefies to give a colorless liquid that boils at −33 °C. Due to intermolecular hydrogen bonding, the enthalpy of vaporization of liquid ammonia is higher than that of any other liquid except water... | sciq | sciq_0001513 |
The most commonly seen primary orbital tumour in children is: | A. Rhabdomyosarcoma | [
"Rhabdomyosarcoma",
"Glioma of optic nerve",
"Optic nerve sheath meningioma",
"Retinoblastoma"
] | Ans. Rhabdomyosarcoma | medmcqa | medmcqa_0009451 |
A lymphocyte is the type of which cell involved in an immune system response? | B. white blood cell | [
"white brain cell",
"white blood cell",
"white immunity cell",
"red blood cell"
] | A lymphocyte is the type of white blood cell involved in an immune system response. You can see what a lymphocyte looks like, greatly magnified, in Figure below . Lymphocytes make up about one quarter of all white blood cells, but there are trillions of them in the human body. Usually, fewer than half of the body’s lym... | sciq | sciq_0002839 |
In ten years, David will be four times as old as Aaron. Twenty years ago, David was twice as old as Ellen. If David is eleven years older than Ellen, how old is Aaron? | A. 3–5 | [
"3–5",
"6–10",
"11–15",
"16–20"
] | Let David's present age be 'd', Aaron's present age be 'a' and Ellen's present age be 'e'
In ten years, David will be four times as old as Aaron --> d+10 = 4(a+10)
Twenty years ago, David was twice as old as Ellen --> d-20 = 2(e-20)
David is seven years older than Ellen --> d = e + 11
e+11-20 = 2e-40
e-9 = 2e-40
e = 31... | aqua_rat | aqua_rat_0007590 |
A winter storm is called what? | D. blizzard | [
"gale",
"snow storm",
"tempest",
"blizzard"
] | A storm is an episode of severe weather caused by a major disturbance in the atmosphere. Storms can vary a lot in the time they last and in how severe they are. A storm may last for less than an hour or for more than a week. It may affect just a few square kilometers or thousands. Some storms are harmless and some are ... | sciq | sciq_0002128 |
Maximum radio opaque shadow in ovary is seen in | A. Teratoma | [
"Teratoma",
"Dysgerminoma",
"Mucinous cystadenoma",
"Granulosa cell tumor"
] | A i.e. Teratoma In teratoma, there may be presence of tooth & other calcified bodies giving rise to radio-opaque shadows. | medmcqa | medmcqa_0003403 |
A 55 years old male had retrosternal discomfo unrelated to physical exeion. Pain gets worse after lying down there is paial relief with antacids. The most likely diagnosis is: | D. Hiatus hernia | [
"Ischemic hea disease",
"Carcinoma esophagus",
"Achalasia cardia",
"Hiatus hernia"
] | From the given question Unrelated to physical exeion - Not ischemic hea disease Paial relief with antacids - Not Ca. Esophagus Achalasia cardia - Mostly present with dysphagia to liquids . Retrosternal discomfo -->REFLUX Pain | after lying down SLIDING HIATUS HERNIA Dx - Barium Swallow Tx - Laparoscopic hiatus hernia r... | medmcqa | medmcqa_0003585 |
When did we learn there was a hole in the ozone layer? | C. 1980s | [
"1950s",
"1970s",
"1980s",
"1990's"
] | Ozone near the ground harms human health. Ground-level ozone is a pollutant. But the ozone layer in the stratosphere protects us from harmful solar rays. That’s why people were alarmed in the 1980s to learn that there was a hole in the ozone layer. | sciq | sciq_0007734 |
What is another name for collar cells? | A. choanocytes | [
"choanocytes",
"sporozoans",
"enzymes",
"clutches"
] | Morphology of Sponges The morphology of the simplest sponges takes the shape of a cylinder with a large central cavity, the spongocoel, occupying the inside of the cylinder. Water can enter into the spongocoel from numerous pores in the body wall. Water entering the spongocoel is extruded via a large common opening cal... | sciq | sciq_0003617 |
Inorganic chemistry refers to the study of materials *not* containing which element? | C. carbon | [
"oxygen",
"helium",
"carbon",
"hydrogen"
] | Inorganic chemistry is the study of chemicals that do not, in general, contain carbon. Inorganic chemicals are commonly found in rocks and minerals. One current important area of inorganic chemistry deals with the design and properties of materials involved in energy and information technology. | sciq | sciq_0003416 |
What are biological catalysts that speeds up biochemical reactions? | D. enzymes | [
"proteins",
"carbohydrates",
"hormones",
"enzymes"
] | This super fast train can obviously reach great speeds. And there's a lot of technology that helps this train go fast. Speaking of helping things go fast brings us to enzymes. Life could not exist without enzymes. Essentially, enzymes are biological catalysts that speed up biochemical reactions. | sciq | sciq_0010155 |
In which phase of clinical trials, post–marketing surveillance of a drug is carried out: | D. Phase IV | [
"Phase I",
"Phase II",
"Phase III",
"Phase IV"
] | null | medmcqa | medmcqa_0006171 |
What type of molecules are found in the hydration shell of a dissolved ion? | B. water | [
"carbon",
"water",
"oxygen",
"iron"
] | sciq | sciq_0010974 | |
What type of weathering breaks rock into smaller pieces? | D. mechanical weathering | [
"chemical erosion",
"chemical weathering",
"fluid weathering",
"mechanical weathering"
] | Mechanical weathering breaks rock into smaller pieces. These smaller pieces are just like the bigger rock; they're just smaller! The rock has broken without changing its composition. The smaller pieces have the same minerals in the same proportions. You could use the expression “a chip off the old block“ to describe me... | sciq | sciq_0006063 |
What is the approximate length of time it takes the Moon to complete one lunar cycle? | B. 29 days | [
"14 days",
"29 days",
"180 days",
"365 days"
] | arc_easy | arc_easy_0001604 | |
Which of the following process is involved in conversion of DNA to RNA: | D. Transcription | [
"Conjugation",
"Transduction",
"Translocation",
"Transcription"
] | Ans. D. TranscriptionTransformationTransfer of genetic information through agency of free DNA.E.g: Pneumococci, BacillusTransductionTransfer of a portion of a DNA from one bacterium to another by a bacteriophage.TransversionSubstitution of a purine for a pyramidine and vice versa in base pairing.TranslationTransfer of ... | medmcqa | medmcqa_0003454 |
Jellyfish belong to which phylum? | A. cnidaria | [
"cnidaria",
"analidae",
"porifera",
"mycobacteria"
] | Do you know what these greenish, blob-like shapes are? Would it surprise you to learn that they are animals? They don’t look anything like the animals you are probably familiar with—animals such as dogs and deer, fish and frogs. But the greenish blobs are animals nonetheless. They belong to a phylum called Cnidaria, bu... | sciq | sciq_0011435 |
P and Q started a business investing Rs. 48,000 and Rs. 24,000 respectively. In what ratio the profit earned after 2 years be divided between P and Q respectively? | C. 2:1 | [
"2:6",
"2:3",
"2:1",
"17:9"
] | P:Q = 48000 : 24000
= 2:1.
Answer:C | aqua_rat | aqua_rat_0007251 |
The ratio of 2 numbers is 3:7 and their H.C.F. is 10. Their L.C.M. is ? | B. 210 | [
"220",
"210",
"252",
"236"
] | Let the numbers be 3x and 7x
Their H.C.F. = 10
so the numbers are 3*10 , 7*10 = 30,70
L.C.M. = 210
Answer is B | aqua_rat | aqua_rat_0006263 |
Aeroplane splint is used in ? | C. Brachial plexus injury | [
"Radial nerve injury",
"Ulnar nerve injury",
"Brachial plexus injury",
"Scoliosis"
] | Ans. is 'c' i.e., Brachial plexus injury Name Use Cramer-wire splint Thomas splint Bohler-Braun splint Aluminium splint Dennis Brown splint Cock-up splint Knuckle-bender splint Toe-raising splint Volkmann's splint Four-post collar Aeroplane splint SOMI brace ASHE (Anterior spinal hyperextension) Taylor's brace Milwauke... | medmcqa | medmcqa_0008671 |
Conn syndrome is seen due to increased production of | D. Aldosterone | [
"Coisol",
"ACTH",
"CRH",
"Aldosterone"
] | An adrenocoical disorder caused by excessive secretion of aldosterone. ; primary aldosteronismPrimary aldosteronism is an adrenocoical disorder caused by excessive secretion of aldosterone and characterized by headaches, nocturia, polyuria, fatigue, hypeension, potassium depletion, hypokalemic alkalosis, hypervolemia, ... | medmcqa | medmcqa_0008239 |
The sound heard when a piano key is hit is caused by | A. vibration. | [
"vibration.",
"refraction.",
"momentum.",
"acceleration."
] | arc_easy | arc_easy_0002168 | |
Residual chlorine level after disaster like flood ? | A. 0.7 mg/litre | [
"0.7 mg/litre",
"1.5 mg/litre",
"2 mg/litre",
"3 mg/litre"
] | Ans. is 'a' i.e., 0.7 mg/litre Principles of chlorination Water should be clear and free from turbidity. Turbidity impedes efficient chlorination. The chlorine demand of the water should be estimated. It is the amount of chlorine that is needed to destroy bacteria and to oxidize all the organic matter and ammoniacal su... | medmcqa | medmcqa_0007692 |
Contralateral superior quadrantanopia and sensory aphasia occurs due to occlusion of which branch of MCA: | A. M2 MCA- inferior division | [
"M2 MCA- inferior division",
"M2 MCA - superior division",
"MCA stem",
"M1 MCA"
] | Contralateral superior quadrantanopia(MEYER'S LOOP IN TEMPORAL LOBE) and sensory aphasia are seen in occlusion of inferior division of MCA. | medmcqa | medmcqa_0002677 |
When wood is burned what kind of energy allows the wood to burn? | A. chemical | [
"chemical",
"carbon",
"physical",
"radiation"
] | Chemical energy is stored in wood and released when the wood burns. | sciq | sciq_0002588 |
The treatment of Acute Manic Episodes is | B. ECT | [
"ECT",
"ECT",
"Diazepam",
"Sodium valproate"
] | Lithium | medmcqa | medmcqa_0006816 |
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