problem stringlengths 14 4.09k | solution stringlengths 1 802k | task_type stringclasses 3
values | problem_tokens int64 5 895 |
|---|---|---|---|
The following is a multiple choice question (with answers).
===Question
According to the absorption analysis theory of international balance of payments, expenditure conversion policies mainly include ( ).
===Choices
industrial policy
trade policy
fiscal policy
exchange rate policy
Tax policy
monetary policy
financial... | exchange rate policy | general_qa | 72 |
The following is a multiple choice question (with answers).
===Question
Two conductors carrying equal and opposite charges create a non-uniform field as shown in fig. What is the capacity of this capacitor if the field along $ y-a x i s $ varies as $ E= $ $ \frac{Q}{\varepsilon_{0} A}\left(1+B y^{2}\right) $ with $ ... | $$ \mathrm{C}=\frac{\varepsilon_{0} \mathrm{A}}{\mathrm{d}\left[1+\frac{1}{3} \mathrm{Bd}^{2}\right]} $$ | general_qa | 423 |
The following is a multiple choice question (with answers).
===Question
Given $u+v=( x-y ) ( x^{2}+4 x y+y^{2} )-2 ( x+y )$, try to determine the analytic function $f ( z )=u + \mathrm{i} v$.
===Choices
$$
z^{2}+2 z+k
$$
, where k can be any arbitrary constant
$$
z^{3}+z+k
$$
, where k can be any arbitrary constant
$$... | $$
z^{3}-2 z+k
$$
, where k can be any arbitrary constant | general_qa | 276 |
The following is a multiple choice question (with answers).
===Question
The herbal medicine that is considered to have potential nephrotoxicity due to the presence of aristolochic acid and has been restricted in many countries is ( ).
===Choices
Stephania tetrandra
Echinacea
Jiaogulan
Aconite
Asarum
Hibiscus
Tripteryg... | Stephania tetrandra | general_qa | 97 |
The following is a multiple choice question (with answers).
===Question
A young child presented with a yellow light reflex in one eye and underwent an orbital CT scan: a soft tissue mass was observed at the posterior pole inside one eye socket, with large irregular calcifications, and the adjacent optic nerve was signi... | Retinoblastoma | general_qa | 133 |
The following is a multiple choice question (with answers).
===Question
What is the numerator in perinatal mortality:-
===Choices
Late neonatal death of fetus >1000 g
Still birth <500 g
Early neonatal death of fetus >750 g
Early neonatal death of fetus >1000 g
Early neonatal death of fetus >900 g
Early neonatal death ... | Early neonatal death of fetus >1000 g | general_qa | 137 |
The following is a multiple choice question (with answers).
===Question
The CD molecule that contains ITIM in the cytoplasmic region and terminates T cell activation upon binding to B7 is ( )
===Choices
CD28
CD152
CD154
CTLA-4
CD3
CD4
CD8 | CTLA-4 | general_qa | 71 |
The following is a multiple choice question (with answers).
===Question
Monopoly is formed in competition and arises as the direct opposite of competition. However, monopoly does not eliminate competition but rather intensifies it. This is because
===Choices
Monopoly must be maintained through competition. Monopoly or... | Monopoly has not eliminated the economic conditions for competition. Competition is a general law of commodity economy, and as long as there is a commodity economy, competition will inevitably exist. | general_qa | 385 |
The following is a multiple choice question (with answers).
===Question
What type of dam is the Hoover Dam?
===Choices
Arch Gravity Dam Hybrid
Arch Gravity Dam
Arch Gravity Hybrid Dam
Arch Dam
Gravity Dam
Arch Gravity Dam Combination
Gravity Arch Hybrid Dam
Gravity Arch Dam Hybrid Combination
Gravity Arch Dam
Gravity ... | Gravity Arch Dam | general_qa | 71 |
The following is a multiple choice question (with answers).
===Question
An object is taken from a point P to another point Q in a gravitational field.
===Choices
The work done depends on the path taken between P and Q, even if both points are at the same height
If P is on the earth's surface and Q above it, the work d... | There is no work done if the object is taken from P to Q and then brought back to P along any path | general_qa | 285 |
The following is a multiple choice question (with answers).
===Question
For the nuclear fusion reaction $ _{ 1 }^{ 2 }H+_{ 1 }^{ 3 }H\rightarrow _{ 2 }^{ 4 }He+_{ 0 }^{ 1 }{ n } $ temperature to which gases must be heated is $ 3.7 \times 10^9 K $ Potential energy between two nuclei is closest to (Boltzmann's constant k... | $$ -10^{-10} J $$ | general_qa | 210 |
The following is a multiple choice question (with answers).
===Question
Assuming the expansion factor $\alpha = 1.73$ for polystyrene (PS) in benzene solution at 30°C, $\left[ \eta \right] = 147 \mathrm{~cm^{3} ~ \cdot~ g^{-1}}$. Given the Mark-Houwink parameters $K = 0.99 \times 10^{-2}, \, a = 0.74$, find the value o... | $$
6. 1 5 \times1 0^{-9} \mathrm{~ c m \cdot~ m o l}^{1 / 2} \cdot\mathrm{~ g}^{-1 / 2}
$$ | general_qa | 695 |
The following is a multiple choice question (with answers).
===Question
The distribution of foundation soil layers in a certain excavation site and the groundwater level is 0.5m below the surface. The natural unit weight of layers ① and ② is $\gamma=19 \mathrm{kN/m}^{3}$, while the natural unit weight of the silty soil... | 42.6 | general_qa | 272 |
The following is a multiple choice question (with answers).
===Question
Which of the following is the link between computers and users?
===Choices
I/O device
Operating system
CPU
Motherboard
Power supply unit
Graphics card
Solid-state drive
Application software
Network interface
Internal memory | Operating system | general_qa | 60 |
The following is a multiple choice question (with answers).
===Question
A rotational viscometer containing a non-Newtonian fluid gives a dial reading of 14 at a rotor speed of 300 rpm and a dial reading of 24 at a rotor speed of 600 rpm. Which of the following is the correct rheological model of this fluid considering ... | $\mu_p=10 \mathrm{cp}, \tau_y=4\mathrm{lbf}/100\mathrm{ft^2}$ | general_qa | 403 |
The following is a multiple choice question (with answers).
===Question
Which of the following products has the highest price elasticity of supply?
===Choices
Standard manufactured items
Capital-intensive products
Ordinary handicrafts
Luxury goods
Consumer electronics
Commercial office supplies
Mass-produced clothing
... | Ordinary handicrafts | general_qa | 73 |
The following is a multiple choice question (with answers).
===Question
What is the most common vector for zoonotic diseases in military settings?
===Choices
Birds
Rodents
Stray cats
Pet rabbits
Bats
Water buffaloes
Wild boars
Mosquitoes
Domestic dogs
Captive monkeys | Mosquitoes | general_qa | 68 |
The following is a multiple choice question (with answers).
===Question
Generally speaking, the direct heat source for the near-surface atmosphere is____.
===Choices
Heat Conduction from the Upper Atmosphere
Ground Absorbed Radiation
Volcanic Heat Emissions
Subsurface Geological Heat
Atmospheric Heat from Space
Surfac... | Surface Longwave Radiation | general_qa | 95 |
The following is a multiple choice question (with answers).
===Question
The characteristics of agarwood include visible brownish-black resin patches and alternating yellow-white wood sections on the surface; the scent is aromatic; ________.
===Choices
Often found near marshes, usually in tropical areas, where it thriv... | When burning, it emits thick smoke and a strong fragrance, with black oily substances seeping out. | general_qa | 214 |
The following is a multiple choice question (with answers).
===Question
What is the aqueous ammonia concentration of a solution prepared by dissolving $0.15$ mole of $NH_{4}^{+}CH3COO^{-}$ in $1 L$ of water? Given: $K_{a} (CH_{3}COOH) = 1.8 \times 10^{-5}$; $K_{b} (NH_{4}OH) = 1.8 \times 10^{-5}$.
===Choices
$$5.52 \t... | $$8.3 \times 10^{-4}M $$ | general_qa | 259 |
The following is a multiple choice question (with answers).
===Question
The following descriptions of representatives and their works in Russian socialist realist literature are correct:
I. The culmination of Gorky's (Максим Горький) entire creative career is the epic masterpiece The Life of Klim Samgin (Жизнь Клима Са... | III and V and VI | general_qa | 661 |
The following is a multiple choice question (with answers).
===Question
The formulas for calculating the local convective heat transfer coefficient $h_{x}$ for the laminar boundary layer and the turbulent boundary layer on a flat plate surface are respectively
$$
\begin{array} {c} {{{h_{x}=0.332 \frac{k} {x} R e_{x}^{1... | $$
R e_{x_{\mathrm{c}}}^{0. 8}-1 8. 1 9 R e_{x_{\mathrm{c}}}^{1 / 2}
$$ | general_qa | 627 |
The following is a multiple choice question (with answers).
===Question
A 21-year-old woman is diagnosed with a rare subtype of anti-NMDA encephalitis. During the diagnostic workup, she was found to have an ovarian teratoma. Her physician is curious about the association between anti-NMDA encephalitis and ovarian terat... | Case-control study | general_qa | 221 |
The following is a multiple choice question (with answers).
===Question
Given a unit feedback typical second-order system with the closed-loop transfer function $\Phi(s) = \frac{100}{s^2 + 10s + 100}$, a PD controller is proposed to improve the dynamic performance of the system. The transfer function of the PD controll... | $0 < K_{D} < 0.1$ | general_qa | 249 |
The following is a multiple choice question (with answers).
===Question
What types of radiation does nuclear radiation produce?
===Choices
'muon rays', 'tau radiations', 'omega beams', 'gluon radiations'
'X rays', 'UV rays', 'infrared rays', 'microwave rays'
'alpha particles', 'beta particles', 'gamma particles', 'neu... | 'α rays', 'β rays', 'γ rays', 'neutron rays' | general_qa | 211 |
The following is a multiple choice question (with answers).
===Question
In early spring, as deciduous trees begin their new year's growth, what is the primary driving force behind the rise of water in the xylem?
===Choices
Closure of Stomata in Leaves
The Diffusion of Water in Tree Leaves
The Adhesion Between Water Mo... | Root Pressure | general_qa | 133 |
The following is a multiple choice question (with answers).
===Question
A block of mass $m=0.1kg$ is released from a height of $4\ m$ on a curved smooth surface. On the horizontal surface, path $AB$ is smooth and path $BC$ offers coefficient of friction $\mu =0.1$. If the impact of block with the vertical wall at $C$ b... | $$59\ m$$ | general_qa | 190 |
The following is a multiple choice question (with answers).
===Question
What are the eigenroots of the following matrices?
$$
\left( \begin{matrix} {{{1}}} & {{{-2}}} & {{{2}}} \\ {{{-2}}} & {{{-2}}} & {{{4}}} \\ {{{2}}} & {{{4}}} & {{{-2}}} \\ \end{matrix} \right)
$$
===Choices
$$
\lambda_{1}=-1 \;, \lambda_{2}=-1,\l... | $$
\lambda_{1}=-7 \;, \lambda_{2}=\lambda_{3}=2
$$ | general_qa | 344 |
The following is a multiple choice question (with answers).
===Question
The basic structural feature of simple coumarins is ( ).
===Choices
several phenol replacements
consistent benzene derivatives
only substituents on the benzene ring
multiple ether linkages
not forming glycosides
combinations of hydroxyl groups
var... | only substituents on the benzene ring | general_qa | 95 |
The following is a multiple choice question (with answers).
===Question
There is an 8-way merged winner tree with elements 10,9,20,6,8,23,21,17 as leaf nodes. After outputting an element, a new element will be added to the corresponding leaf node. How many elements should be corrected in the reconstructed winning tree?... | 3 | general_qa | 103 |
The following is a multiple choice question (with answers).
===Question
The______refers to the area surrounding a continent, extending from the low tide shoreline to where the seabed slope becomes dramatically steep.
===Choices
continental shelf
coastal perimeter
continental ridge
coastal terrace
maritime basin
seasid... | continental shelf | general_qa | 91 |
The following is a multiple choice question (with answers).
===Question
Calculate the spring rate of the mounting springs to reduce theunbalanced force by 15% for an engine. The engine weighs950 lbs. and functions at 1300 rpm. Number of springs= 4.
===Choices
1484.4 lb./in.
1900 lb./in.
1600 lb./in.
1350 lb./in.
1425 ... | 1484.4 lb./in. | general_qa | 147 |
The following is a multiple choice question (with answers).
===Question
Which of the following options correctly describes the gait characteristics of a patient with lumbar disc herniation?
===Choices
Rapid and firm, erratic walking, consistent
Steady and balanced, quick stepping, constant limping
Brisk and steady, qu... | Rapid and unstable, slow walking, intermittent limping | general_qa | 143 |
The following is a multiple choice question (with answers).
===Question
In the FoxPro operating environment, create the command file abc.prg and use the command ().
===Choices
RUN COMMAND abc.prg
CREATE abc
DO abc
MODIFY abc.prg
BUILD abc.prg
EXECUTE abc.prg
SAVE TO abc
EXEC abc
LOAD abc.prg
MODIFY COMMAND abc | DO abc | general_qa | 82 |
The following is a multiple choice question (with answers).
===Question
Consider a function $e(s)$ defined for all positive real numbers $s$ as follows: \[ e(s) = \lim_{z \to 0} \left((s+1)^{z+1} - s^{z+1}\right)^{{1}/{z}}. \] Determine the value of $\lim_{s \to \infty} \frac{e(s)}{s}$.
===Choices
e
e^{1/2}
e^2
e^{3/2... | e | general_qa | 146 |
The following is a multiple choice question (with answers).
===Question
Pressure of the gas $\mathrm{NH}$ is $p=10.13 \ \mathrm{MPa}$, temperature $T=633 \mathrm{~K}$. Try to find its density using the generalized compressibility chart and compare it with the density calculated from the ideal gas equation of state.
==... | $$
34.9\mathrm{kg/m}^{3},1.064
$$ | general_qa | 303 |
The following is a multiple choice question (with answers).
===Question
What are the principles of treatment for systemic septic infections?
===Choices
Aggressive fluid therapy, boost immune system, prompt use of broad-spectrum antibiotics, manage primary health issue
Palliative care only, increase nutritional support... | Symptomatic treatment, improve systemic resistance, early application of large doses of effective antibiotics, early control of the original disease | general_qa | 250 |
The following is a multiple choice question (with answers).
===Question
It is advisable to stir-fry and remove oil for internal use. What should be used with caution by those with weak spleen and stomach?
===Choices
Cardamom seed
Peppermint leaf
Cinnamon bark
Lemon zest
Garlic clove
Frankincense
Turmeric powder
Ginger... | Frankincense | general_qa | 88 |
The following is a multiple choice question (with answers).
===Question
According to the classification of the causes of joints, what categories can they be divided into?
===Choices
tension joint and expansion joint
shear joint and tension joint
hinge joint and tension joint
bending joint and flexure joint
torsion joi... | shear joint and tension joint | general_qa | 105 |
The following is a multiple choice question (with answers).
===Question
On July 8, 2000, Zhang San owed Li Si 1,000 yuan due to gambling. On July 10, Li Si demanded the debt from Zhang San, and Zhang San paid Li Si 1,000 yuan. which of the following statements is correct?
===Choices
The 1,000 yuan is illegal income an... | Zhang San's payment of 1,000 yuan to Li Si was a genuine expression of intent, so Li Si should acquire ownership of the 1,000 yuan. | general_qa | 334 |
The following is a multiple choice question (with answers).
===Question
Who are the five judges of the Supreme Court who restored the awards and delivered a judgment that the "Bharat Ratna and Padma awards are not titles under Article 18 of the Constitution of India?"
===Choices
Ahmadi C. J., Kuldip Singh, B. P. Jeeva... | Ahmadi C. J., Kuldip Singh, B. P. Jeevan Reddy, N. P. Singh, and S. Saghir Ahmad. | general_qa | 422 |
The following is a multiple choice question (with answers).
===Question
What determines the highest frequency of excitable cells capable of producing excitation per unit of time?
===Choices
Partial refractory period (physiology)
Brief activation period
Critical firing period
Low normal period
Refractory Period
Extraor... | Absolute refractory period (physiology) | general_qa | 88 |
The following is a multiple choice question (with answers).
===Question
$0.2\ moles$ of an ideal gas is taken round the cycle $ABC$ as shown in the figure. The path $B\rightarrow C$ is an adiabatic process, $A\rightarrow B$ is an isochoric process and $C\rightarrow A$ is an isobaric process. The temperature $T_{B} = 50... | $$6.8\ L$$ | general_qa | 292 |
The following is a multiple choice question (with answers).
===Question
Given that the resistance of a certain photoresistor is $550 \Omega$ under an illumination of $500 \mathrm{lx}$, and $450 \Omega$ under an illumination of $700 \mathrm{lx}$, what is the resistance of this photoresistor under illuminations of 550 lx... | 518.8Ω,493.3Ω | general_qa | 235 |
The following is a multiple choice question (with answers).
===Question
Sirius is known to have a visual magnitude of -1.45, and at a distance of 2.7pc, its absolute apparent magnitude is ___.
===Choices
+1.8
+2.3
+0.5
+1.2
+3.1
+1.5
+2.0
-0.2
+1.0
+0.8 | +1.5 | general_qa | 100 |
The following is a multiple choice question (with answers).
===Question
The process parameters for activated sludge aimed at removing organic matter is _____.
===Choices
The sludge load is often maintained at 0.2-0.4 kgBOD5/(kg MLSS·d), with a sludge age of 5-15 days.
The sludge loading is often set at 0.05-0.4 kgBOD5... | The sludge loading is often set at 0.05-0.4 kgBOD5/(kg MLSS·d), with a sludge age of 5-30 days. | general_qa | 437 |
The following is a multiple choice question (with answers).
===Question
What is a Super Secondary Structure?
===Choices
It refers to the construction where secondary elements that are sequentially dispersed in a newly formed chain frequently overlap in spatial schemes, collaborate exclusively, and assemble independent... | It refers to the phenomenon where secondary structures that are sequentially adjacent in a polypeptide chain are often close in spatial folding, interact with each other, and form secondary structure aggregates. | general_qa | 340 |
The following is a multiple choice question (with answers).
===Question
The submergence level of a certain drum vacuum filter is $1/3$, with a rotation speed of 2 r/min. It operates under a pressure differential of 50 kPa, and the experimental measured filtration constant is $K=4.24 \times 10^{-5} \, \text{m}^2/\text{s... | $3.54 {m}^{3} /{h}$ | general_qa | 291 |
The following is a multiple choice question (with answers).
===Question
Infite springs with force constant $k,2k,4k,8k,...$ respectively are connected in series to which mass $'m'$ is attached. The frequency of small oscillations is:
===Choices
$$f=\dfrac{1}{2\pi}\sqrt{\dfrac{768K}{m}}$$
$$f=\dfrac {1}{2\pi}\sqrt {\df... | $$f=\dfrac {1}{2\pi}\sqrt {\dfrac {2048K}{m}}$$ | general_qa | 318 |
The following is a multiple choice question (with answers).
===Question
In which year was Dina Nath Walli (an Indian watercolor artist and poet from Srinagar city) born?
===Choices
1903
1910
1902
1917
1908
1906
1912
1907
1909
1918 | 1908 | general_qa | 91 |
The following is a multiple choice question (with answers).
===Question
The composition of bearing steel is: $w \ [ \mathrm{~ C ~} ] \ =\ 1.05\%$, $w \left[ \mathrm{\ S i ~} \right]=0.6\%$, $w \left[ \mathrm{M n} \right]=1.0\%$, $w \big[ \mathrm{\ P} \big]=0.02\%$, $w [ \mathrm{\ S} ]=0.02\%$, $w \left[ \mathrm{\bf~ C ... | $1.30,0.026$ | general_qa | 298 |
The following is a multiple choice question (with answers).
===Question
Groundwater flows through an aquifer with a height of 100 feet, a width of 5000 feet, a porosity of 0.2, and a hydraulic conductivity of 0.1 feet/day. What is the average time required for pollutant carrying with a water quality point to travel 100... | $$
1 5. 6 {\mathrm{y r}}
$$ | general_qa | 258 |
The following is a multiple choice question (with answers).
===Question
Tenderness, not hard in texture, smooth without adhesions, suggests ________.
===Choices
steatosis
hemolysis
nephrolithiasis
fibrosis
adenopathy
angiogenesis
lymphadenitis
myocarditis
leukocytosis
myositis | lymphadenitis | general_qa | 78 |
The following is a multiple choice question (with answers).
===Question
Empirical ethical thought first emerged in the form of ____.
===Choices
Humanistic Happiness Theory
Pragmatic Ethics
Relativistic Ethics
Moral Realism
utilitarianism
Virtue Ethics
Kantian Ethics
Psychological Analysis and Social Empirical Analysis... | Hedonism | general_qa | 81 |
The following is a multiple choice question (with answers).
===Question
"Spring Outing" is an early three-part chorus piece written and composed by the musician ______.
===Choices
Ma Sicong
Zhao Yuanren
Xian Xinghai
Wang Luobin
He Luting
Nie Er
Chen Qigang
Li Shutong
Tan Dun
Liu Tianhua | Li Shutong | general_qa | 82 |
The following is a multiple choice question (with answers).
===Question
What day, month, and year was the municipality of Segovia, Antioquia, Colombia, founded?
===Choices
July 24th, 1859
July 24th, 1889
July 24th, 1868
July 24th, 1864
July 24th, 1879
July 24th, 1863
July 24th, 1874
July 24th, 1865
July 24th, 1870
Jul... | July 24th, 1869 | general_qa | 159 |
The following is a multiple choice question (with answers).
===Question
Freon - 22 when $t_0 $= - 10 ° C dry saturated steam specific volume is $v_1 '$after = 0.0651 m/kg, $t_0 $= - 10 ° C saturation pressure of saturation temperature change is $(p / Δ Δ t) _ {t_0 = - 10 ° C} $= 0.1261 kg/cm squared / ° C. When $t_0 $=... | 1.8 | general_qa | 292 |
The following is a multiple choice question (with answers).
===Question
In which volume and issue of the journal Linguistics was the paper "Articulatory constraints on stop insertion and elision in consonant clusters" originally published?
===Choices
Volume 49 Issue 4
Volume 48 Issue 5
Volume 48 Issue 6
Volume 49 Issu... | Volume 49 Issue 5 | general_qa | 128 |
The following is a multiple choice question (with answers).
===Question
What are the general steps in solving a problem with a computer?
===Choices
Analyze the issue, establish a mathematical model, program/debug, obtain the results
Analyze problems, design algorithms, program, test, and obtain results.
Analyze proble... | Analyze the issue, establish mathematical models, design algorithms, program/debug, and obtain results. | general_qa | 199 |
The following is a multiple choice question (with answers).
===Question
The equivalent mass of $H_3BO_3(M=molar \:mass \:of\: H_3BO_3)$ in its reaction with $NaOH$ to form $Na_2B_4O_7$ is equal to:
===Choices
\frac{M}{5}
$$\frac{M}{6}$$
$$M$$
\frac{M}{3}
$$\frac{M}{4}$$
\frac{M}{8}
\frac{M}{12}
$$\frac{M}{2}$$
\frac{M... | $$M$$ | general_qa | 147 |
The following is a multiple choice question (with answers).
===Question
Buffer solution of pH = 9.56 was obtained by mixing 2 mole of $NH_3$ and 1 mole of $NH_4Cl$ to form 1 L solution. To 200 ml of this soln, 10 ml of 10 M NaOH is added. Calculate pH of resulting soln
===Choices
9.56
9.96
9.62
9.26
9.34
9.68
4.44
4.7... | 9.26 | general_qa | 139 |
The following is a multiple choice question (with answers).
===Question
A ray of sunlight enters a spherical water droplet $(n = \dfrac{4}{3})$ at an angle of incidence $53^\circ$ measured with respect to the normal to the surface. It is reflected from the back surface of the droplet and re-enters into air. The angle b... | $$127^\circ$$ | general_qa | 182 |
The following is a multiple choice question (with answers).
===Question
The Basal Metabolic Rate may vary from person to person but it is closely related to a person's amount of ().
===Choices
Mental State
Water Consumption
Physical Activity
Lean issue
Muscular energy
Food Tolerance
Daily Nutrition
Weight of body
Livi... | Physical Activity | general_qa | 76 |
The following is a multiple choice question (with answers).
===Question
A piano string of mass per unit length \(5.00 \times 10^{-3} \mathrm{~kg} /
\mathrm{m}\) is under a tension of \(1350 \mathrm{~N}\). Find the speed with
which a wave travels on this string.
===Choices
165.7 m/s
166.5 m/s
166.0 m/s
165.3 m/s
164.5 ... | 165.5 m/s | general_qa | 160 |
The following is a multiple choice question (with answers).
===Question
Volvox is of great significance in animal evolution. What is its taxonomic status?
===Choices
Mosses
Vertebrates
Lichens
Fungi
Amphibians
Viruses
Algae
Insects
Protozoa
Bacteria | Protozoa | general_qa | 69 |
The following is a multiple choice question (with answers).
===Question
When is the range of values for $a$ such that the quadratic form $f ( x_{1}, x_{2}, x_{3} )=x_{1}^{2}+x_{2}+5 x_{3}+2 a x_{1} x_{2}-2 x_{1} x_{3}+4 x_{2} x_{3}$ ?
===Choices
$$
- \frac{1} {5} < a < \frac{1} {5}
$$
$$
- 2 < a < 2
$$
$$
- 1< a < 1
$... | $$
- \frac{4} {5} < a < 0
$$ | general_qa | 295 |
The following is a multiple choice question (with answers).
===Question
Stairs are generally considered to be part of which structure of a building?
===Choices
auxiliary components
insulation materials
external facades
flooring sections
foundational elements
ceiling units
roofing systems
primary walls
decorative featu... | auxiliary components | general_qa | 69 |
The following is a multiple choice question (with answers).
===Question
RG-59 coaxial cable consists of an inner conductor having radius 0.292mm, an outer conductor having radius 1.855 mm, and a polyethylene spacing material having relative permittivity 2.25. Which is the capacitance per length of RG-59.
===Choices
$7... | $67.7pF/m$ | general_qa | 172 |
The following is a multiple choice question (with answers).
===Question
Which substance acts as a flux in the electrolyte of industrial aluminum electrolysis?
===Choices
Magnesium oxide and sodium fluoride
Calcium oxide and potassium fluoride
Cryolith and aluminum fluoride
Barium carbonate and magnesium
Boron nitride ... | Cryolith and aluminum fluoride | general_qa | 93 |
The following is a multiple choice question (with answers).
===Question
The pulsar PSR J0437−4715 is located in which constellation?
===Choices
Canis Major
Dorado
Sculptor
Vela
Tucana
Pictor
Centaurus
Canis Minor
Canes Venatici
Carina | Pictor | general_qa | 76 |
The following is a multiple choice question (with answers).
===Question
Where are the main sites of action for furosemide and uric acid diuretics?
===Choices
The cortical part of the ascending limb of the loop of Henle.
The cortical segment of the descending limb of the loop of Henle.
The cortical segment of the ascen... | The medullary segment of the ascending limb of the loop of Henle. | general_qa | 187 |
The following is a multiple choice question (with answers).
===Question
A reaction $S_8(g)\rightleftharpoons 4S_2(g)$ is carried out by taking 2 mol of $S_8(g)$ and 0.2 mol of $S_2(g)$ is a reaction vessel of 1 L. Which one is not correct if $K_c=6.30\times 10^{-6}$?
===Choices
$$K_p=2.55 atm^3$$
$$K_p=4.55 atm^3$$
$$... | $$K_p=2.55 atm^3$$ | general_qa | 187 |
The following is a multiple choice question (with answers).
===Question
Granophyre is a genus of the granites which are characterized by ().
===Choices
Composition shows a macroscopic texture configuration
Structure possesses a large-scale texture appearance
Formation features a macroscopic texture structure
Construct... | Development has a microscopic texture structure | general_qa | 107 |
The following is a multiple choice question (with answers).
===Question
Determine the value of $10(x+y)$ , given that $[x]+[y]+y=43.8$ , and $x+y-[x]=18.4$ , where $[$ $]$ means greatest integer less than or equal to $x$ or $y$ .
===Choices
278
270
276
266
274
288
272
284
264
268 | 274 | general_qa | 119 |
The following is a multiple choice question (with answers).
===Question
Hegel believes that in the stage of abstract law, it goes through three phases in sequence: ownership, ( ), and illegality.
===Choices
Exchange
Sale
Claim
Contract
Accord
Transaction
Obligation
Possession
Agreement
Covenant | Contract | general_qa | 70 |
The following is a multiple choice question (with answers).
===Question
If the radius of the sphere is given as 43m and the spherical excess as 186.54m, what is the area of a spherical triangle?
===Choices
6190.85 sq. m
6018.59 sq. m
6001.85 sq. m
6019.85 sq. m
6089.15 sq. m
6109.85 sq. m
6091.85 sq. m
6091.58 sq. m
6... | 6019.85 sq. m | general_qa | 162 |
The following is a multiple choice question (with answers).
===Question
Given a positive integer $c$, define the function $a_c(j) = \prod_{{k=1}}^c \cos(kj)$.Determine the smallest $c$ such that the absolute value of the second derivative at zero satisfies $|a_c''(0)| > 5384$.
===Choices
24
21
23
28
24.5
22
26
27
29
2... | 25 | general_qa | 115 |
The following is a multiple choice question (with answers).
===Question
Which of the following descriptions of forced hyperelastic deformation or ordinary hyperelastic deformation is correct?
===Choices
The mechanical properties result from ionic interactions primarily.
The thermal adaptation is influenced by dipole m... | Which of the following descriptions of forced hyperelastic deformation or ordinary hyperelastic deformation is correct?
The molecular mechanism of both deformations is the movement of polymer segments | general_qa | 177 |
The following is a multiple choice question (with answers).
===Question
What happens to the image formed by a concave mirror as the object is moved from far away to near the focal point?
===Choices
The image moves toward the mirror and gets shorter.
The image disappears as it moves toward the mirror.
The image flips u... | The image moves away from the mirror and gets taller. | general_qa | 159 |
The following is a multiple choice question (with answers).
===Question
A trolley T of mass $5 kg$ on a horizontal smooth surface is pulled by a load of $2 kg$ through a uniform rope ABC of length $2 m$ and mass $1 kg$. As the load falls from $BC=0$ to $BC=2 m$, its acceleration (in $m{ s }^{ -2 }$) changes from
===Ch... | $$\frac { 20 }{ 8 } to \frac { 30 }{ 8 } $$ | general_qa | 295 |
The following is a multiple choice question (with answers).
===Question
If an integral membrane glycoprotein is transported from the Golgi apparatus via the vesicular secretion pathway, and the oligosaccharide chains and the N-terminus of the protein face the lumen of the Golgi apparatus, where will the oligosaccharide... | Extracellular surface | general_qa | 200 |
The following is a multiple choice question (with answers).
===Question
A square loop antenna has each side measuring 0.3m, with a number of turns $= 10$, and the total inductance of the antenna is 100μH. This antenna is connected to a receiver with an input impedance of 100Ω. The voltage amplification factor from the ... | 1.0098mV/m | general_qa | 261 |
The following is a multiple choice question (with answers).
===Question
Solutions containing $23$ g $HCOOH$ is/are :
===Choices
46 g of 7.5 M HCOOH (d_{solution} = 1 g/ml)
50 g of 9 M HCOOH (d_{solution} = 1 g/ml)
$46$ g of $5 \: M \: HCOOH \: (d_{solution} = 1 \:g/ml)$
50 g of 11 M HCOOH (d_{solution}=1 g/ml)
$50$ g ... | $50$ g of $10 \: M \: HCOOH \: (d_{solution}=1 \: g/ml)$ | general_qa | 255 |
The following is a multiple choice question (with answers).
===Question
What is the main drug of Yueju Pill?
===Choices
Scutellaria baicalensis G.
Cyperus rotundus L.
Echinacea purpurea M.
Artemisia annua S.
Zingiber officinale R.
Glycyrrhiza glabra Y.
Curcuma longa T.
Angelica sinensis O.
Ligusticum chuanxiong H.
Pae... | Cyperus rotundus L. | general_qa | 110 |
The following is a multiple choice question (with answers).
===Question
The nutritional type of cyanobacteria is __________.
===Choices
chemolithoheterotrophic
chemolithomixotrophic
chemolithosynthetic
chemolithoautotrophic
chemophotoautotrophic
photochemosynthetic
photolitoautotrophic
photolithoautotrophic
photoautot... | photoautotrophic | general_qa | 92 |
The following is a multiple choice question (with answers).
===Question
A tank initially holds 100 gallons of soapy water, containing 5 oz of soap. At $t = 0$, more soap solution is poured in containing 10 oz of soap/gallon at a rate of 1 gal/min. Allowing for the even dispersal of the soap, the new solution leaves the... | 53.5267 | general_qa | 183 |
The following is a multiple choice question (with answers).
===Question
In which of the following French literary works did the prototype of the writing technique of 'stream of consciousness' first appear?
===Choices
Duras's L'amant
Nerval's Sylvie
Stendhal's Armance
Proust's In Search of Lost Time | Nerval's Sylvie | general_qa | 70 |
The following is a multiple choice question (with answers).
===Question
During the single shear condition, the shear surfaces are parallel to the surfaces involved in which of the following options?
===Choices
XY surface of the strain ellipsoid
YZ surface of the stress ellipsoid
YZ surface of the strain ellipsoid
Defo... | XY surface of the strain ellipsoid | general_qa | 96 |
The following is a multiple choice question (with answers).
===Question
The force constant is $k$, and the ground state wave function of a harmonic oscillator with mass $m$ is
$$
\psi_{0} ( x )=\left( \frac{\alpha} {\pi} \right)^{\frac{1} {4}} \mathrm{e}^{-\frac{1} {2} \alpha x^{2}}, \quad\alpha=\frac{m \omega_{0}} {\h... | $$
P\approx16\%
$$ | general_qa | 249 |
The following is a multiple choice question (with answers).
===Question
What is the ratio of the change in laminar flow rate in a circular tube to the formation of ().
===Choices
Pipe length is directly proportional
The square of the pipeline radius is proportional
Viscosity adjustment is inversely proportional
Temper... | Viscosity is inversely proportional | general_qa | 111 |
The following is a multiple choice question (with answers).
===Question
_____are complete crystalline aggregates that develop on the walls of cavities or holes in rocks and consist of a group of complete crystals.
===Choices
Group holes
Rock aggregates
Crystal holes
Holes clusters
Crystal formations
Aggregate walls
Ro... | Crystal clusters | general_qa | 78 |
The following is a multiple choice question (with answers).
===Question
A polymeric organic compound has formula $(C_6H_3)(C_3Hg)_nBr_2$. If it contains $7.68$% bromine, then the value of $n$ will be (approximate)
(Atomic mass of $Br = 80 U$)
===Choices
$$25$$
$$21$$
$$17$$
$$11$$
$$13$$
$$15$$
$$19$$
$$27$$
$$23$$
$$... | $$19$$ | general_qa | 130 |
The following is a multiple choice question (with answers).
===Question
For instigators who incite a person under 18 years old to commit a crime ().
===Choices
May be punished more severely
May receive an aggravated punishment
Should be punished more severely
Should receive an aggravated punishment
Could be fined inst... | Should be punished more severely | general_qa | 99 |
The following is a multiple choice question (with answers).
===Question
____ and fertilizers in wastewater are the main anthropogenic sources of nitrogen, phosphorus, and other nutrients in the marine environment.
===Choices
Forest leachates
Oceanic upwelling
Geological erosion
Atmospheric deposition
Industrial discha... | Agricultural emissions | general_qa | 88 |
The following is a multiple choice question (with answers).
===Question
A uniform solid cylinder is placed on a horizontal board. The coefficient of friction between them is 0.3. The board is imparted a constant acceleration of $ a = 6m/ s^2$ in a horizontal direction at right angles of the cylindrical axis. Then (take... | The limiting value of 'a' for which there will be no slipping is $12 m/ s^2$ | general_qa | 326 |
The following is a multiple choice question (with answers).
===Question
A ray of light travelling in a medium of refractive index $\mu $ is incident at an angle $\theta$ on a composite transparent plate consisting of 50 plates of $R.I.1.01 \mu, 1.02\mu, 1.03 \mu, ...... 1.50 \mu$ The ray emerges from the composite plat... | sin x=$\frac{5}{8} sin \theta $ | general_qa | 352 |
The following is a multiple choice question (with answers).
===Question
If the chain termination reaction of a free radical polymerization is entirely through coupling termination, what is the relative molecular weight distribution index of the polymer obtained at low conversion rates?
===Choices
$2.5$
$1.8$
$0.7$
$1.... | $1.5$ | general_qa | 101 |
The following is a multiple choice question (with answers).
===Question
The water level for stocking fish fry in a pond should be maintained at ().
===Choices
35-45 cm
50-70 cm
40-60 cm
30-50 cm
55-75 cm
15-25 cm
10-20 cm
20-30 cm
45-65 cm
25-35 cm | 30-50 cm | general_qa | 102 |
The following is a multiple choice question (with answers).
===Question
The boiling point of a NaCl aqueous solution with a known concentration of 0.25 at an absolute pressure of 19.6 kPa is 65.8°C. Use Duhring's rule to determine the boiling point of this solution at an absolute pressure of 50 kPa is ().
===Choices
8... | 87.91°C | general_qa | 153 |
The following is a multiple choice question (with answers).
===Question
A ball of mass $m=100\ gm$ is suspended from a point $A$ by an inextensible thread of length $l$. Ball is drawn a side and held at same level as $A$ but at a distance $\dfrac{\sqrt{3}}{2}l$ from $A$ as shown in figure. Now ball is released.
Then:
(... | impulse applied by string $\sqrt{\dfrac{gl}{20}}$ | general_qa | 281 |
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