You are running out of time! few seconds are remaining.
1.
Physics
A 12V battery needs ...... time in seconds to produce 600J of energy in an electric circuit that has 0.5 A current. what is the time needed?
2.
Biology
The beak of the humming bird is used in
3.
Biology
Where does protein synthesis take place?
4.
Physics
The unit of power ..
5.
Biology
If A player falls and feels pain, what does the body release to relieve/reduce the pain?
6.
Math
$\lim_{x\rightarrow\infty}\frac{3x^4-2x+7}{5x^2+9x}=.....$
7.
Chemistry
Atomic mass unit nearly equals the mass of...
8.
Physics
What is the electrostatic force in Newtons that a charge of $4\times 10^{-9}C$ has on a test charge of 1C that is 1m away? Knowing that Coulomb's constant is $9\times 10^{9} N.m^2/C^2$ ...
9.
Math
The domain of the function $y=\sqrt{x+1}$ is:
10.
Physics
A bicycle has a mass of 50kg and a momentum of 250 kg.m/s, its speed equals ...
11.
Physics
An object immersed in a fluid has an upward force on it that is equal to the ..... of the fluid displaced by the object.
12.
Chemistry
If the angle of the bond is 180, what is the hybridization type?
13.
Math
Determine the direction of opening of the parabola curve whose equation $y^2=-8(x-6)$?
14.
Chemistry
if the reactants' concentration is greater than the products' concentration at equilibrium then ....
15.
Biology
The diagram shows a leaf attached to the stem of a plant. What do the arrows at X represent?
16.
Biology
Which of the following is responsible for the production of red blood cells?
17.
Biology
Which of the following is a major principle upon which cell theory is based?
18.
Math
Which of the following is equivalent to the expression: $\frac{\cos{\theta}}{1-\sin ^2 \theta}$?
19.
Math
If $y=⟨1, 3⟩ , w=⟨-1, 2⟩$ , then what is the value of $y-3w$?
20.
Chemistry
Which of the following is true about the electronic configuration $[Ar]4s^23d^{10}4p^{4}$?
21.
Biology
Which of the following parts of the figure is an example of a biotic factor?
22.
Biology
Which term correctly completes the concept map shown above?
You are running out of time! few seconds are remaining.
23.
Math
If $g(x)=x^2$, then which of the following equals $g(x+1)$ ?
24.
Biology
Which of the following is part of agnathic fish (without jaws)?
25.
Math
In the opposite figure; the measure of the arc $\widehat{AB}$ equals:
26.
Biology
Why men must have more red blood cells per cubic millimeter of blood than women?
27.
Physics
In standing waves, the number of antinodes ...... number of nodes.
28.
Biology
What clears waste and aids in water balance in insects
29.
Biology
Which plant division is the largest on Earth today and is characterized by producing flowers and fruit?
30.
Physics
Temperature equicalent to $50^{\circ}$C in kelvin is...
31.
Physics
A person has a mass of 100kg on the earth, what's its mass on the moon?
32.
Math
Determine the type of the Function: $f(x)=x^5+x$?
33.
Chemistry
A colloid is considered..
34.
Biology
Why do diatoms float on water?
35.
Math
The value of the integration $\int (3x^2-4) {dx}$ equals:
36.
Math
The value of $x$ satisfices the equation: $4^{x-1}+5=6$
37.
Math
The value of $x$ in the opposite quadrilateral equals:
38.
Chemistry
1kg of wood dust burns faster than 1kg of a piece of wood because....
39.
Math
What is the value of the statement $log_aa^n$?
40.
Math
From the opposite figure: the value of $x$ equals:
41.
Biology
What helps (unsegmented Fungal hyphae/ Aseptate) on fast growth
42.
Biology
Which region of a vertebrate forebrain is considered with the neutral-endocrine control of visceral activities?
43.
Physics
The equivalent resistant in the following circuit is ..
44.
Chemistry
What is the volume required of a 2M KI solution to form a 1M solution with a volume of 0.2L?
You are running out of time! few seconds are remaining.
45.
Biology
Which of the following is the building block of protein?
46.
Chemistry
The conjugate acid for the base $HCO_3^-$
47.
Math
From the opposite figure: the local maximum value is:
48.
Physics
a car moves from at rest with an acceleration of $6 m/s^2$ during how many seconds the car velocity reaches 24 m/s?
49.
Biology
When a kid is diagnosed with hip dislocation, the doctor is expected to treat the
50.
Physics
A body is put in front of a concave mirror and the distance between them is 15cm and the focal point is 30cm, what are the characteristics of the body's image?
51.
Biology
What term is used to describe the ability to maintain a constant internal environment
52.
Math
In the opposite figure; if $\angle \widehat{AB}=150^{\circ}$, then the value of x equals:
53.
Chemistry
Carbonyl group: earbon atom bonded with ...... atom in a .....?
54.
Physics
In the decay of an alpha particle in a nucleus, the atomic number (Z) and mass number (A) become.
55.
Chemistry
The oxidation number of nitrogen in $HNO_3$ is ...
56.
Physics
What work is done to move 4C charge through a potential difference of 200V ?
57.
Math
The length of the transverse axis for the hyperbola whose equation $\frac{(x-8)^2}{49} - \frac{(y+5)^2}{64}=1$ equals:
58.
Biology
Which is the smallest unit of life that can survive and reproduce on its own?
59.
Physics
The diagram represents the motion of a runner; his speed is ...
60.
Physics
What is the charging of a capacitor with a capacitance of $6\mu F$ and its potential difference is 30 V?
61.
Physics
What is the frequency in Hz of the second resonance for a one end closed tube that has a height of 15cm? Knowing that the speed of sound is 343 m\s.
62.
Math
What is the measure of each interior angle of a regular pentagon?
63.
Biology
Which is not a trait shared by freshwater green algae and plants?
64.
Chemistry
if $[OH^-]=10^{-5}$, Find the pH
65.
Physics
Calculate the amount of change in entropy for a sample of water that gained 600j of heat at $27^{\circ}$C ..
66.
Math
Find the sixth term of the sequences: 2, 4, 8, .... ?
You are running out of time! few seconds are remaining.
67.
Physics
Pendulum with a length of L equal to the gravitational acceleration g, what is the period for this pendulum in s?
68.
Math
What is the image of the point $B(2, 3)$ by translation $(x, y) \rightarrow (x+4, y-5)$?
69.
Math
Find the equation of the line with a slop of 4 and a $y$-intercept of 5?
70.
Math
Find the fifth term in the expansion of $(x+y)^{6}$?
71.
Math
In the opposite figure: if $m(\angle 1)=2x-5$ , $m(\angle 2) = 4x-13$, then $m(\angle 2) = ......$
72.
Biology
What is the most common cause of cardiovascular disease?
73.
Biology
Reptiles are similar to bats in all the following, except
74.
Biology
The glue cells on the contractile tentacles of Hydra used to catch prey is called
75.
Chemistry
Which of the following mole ratio for iron in the following balanced chemical equation is right?
$3\text{Fe(s)}+4\text{H}_2\text{O(I)} \rightarrow \text{Fe}_3\text{O}_4\text{(s)}+4\text{H}_2\text{(g)}$
76.
Math
In the opposite figure: The value of $x$ equals:
77.
Biology
In your heart, when the blood leaves the ventricle, it goes to:
78.
Biology
Where do producers obtain their energy?
79.
Biology
Which of the following doesn’t have an antenna:
80.
Chemistry
Calculate the sells potential $\text{Sn(s)}+\text{Cu}^{2+}\text{(aq)}+\text{Cu(s)}$, knowing that $E^0_{\text{Sn}^{2+}} \ \text{,} \ E^0_{\text{Cu}^{2+}}=+0.3\text{V}$
81.
Biology
Which is a characteristic of mosses?
82.
Physics
A lamp has an average power of 75W, what is its maximum power?
83.
Chemistry
The name of the compound in the following figure...
84.
Math
The parent function of the opposite graph is:
85.
Math
The value of $(7+4i)-(1-5i)$ equals:
86.
Math
The number $\pi$ is:
87.
Chemistry
which compound has the highest polarity?
88.
Biology
what symmetry is seen in octopus?
You are running out of time! few seconds are remaining.
89.
Math
If $y$ varies directly with $t$, and $x=6$ when $y=9$, then what is the value of $y$ when $x=18$?
90.
Math
The mean of normal distribution is 34, and its standard deviation is 5, find the probability that the value of $x$ which randomly selected in this distribution is more than 24?
91.
Physics
The transmission of an electron from the fourth energy level to the second energy level launches ............ series.
92.
Biology
The opening of the uterus that connects to the vagina is called the:
93.
Math
What is the number of sample elements for selecting two cards with replacement, from a set of numbered cards from 1 to 8?
94.
Chemistry
The bond between carbon molecules is ....
95.
Math
Find the polar coordinates for the point $(1, -\sqrt{3})$?
96.
Physics
The equation of the energy of vibration is....
97.
Chemistry
The following shape represents ...
98.
Physics
The magnetic force acting on a wire that its length is 5m, a 2A current passes through it, oriented at right angle in a magnetic field with strength 0.6T...
99.
Chemistry
Which of the following is considered matter?
100.
Biology
Which of the following is a sarcodina?
101.
Biology
Which of the following is the building block carbohydrate?
102.
Biology
Which is concerned with phylogenetic taxonomy
103.
Chemistry
Which of the following electrons are distributed according to Hund's rule?
104.
Biology
Why do you experience not seeing things clearly for some seconds when you enter suddenly a well-lighted room after coming from n a dark room?
105.
Math
What is the derivative of the function $f(x)=\frac{1}{x^6}$
106.
Chemistry
How do we make carbon dioxide dissolve in liquid?
107.
Math
If $f(x)=2x-5$, then $f^{-1}(x)$ equals:
108.
Chemistry
moving down a group in the periodic table...
109.
Math
A circle of radius 3 units is drawn within a square of length 9 units, a point was randomly selected inside the square. What is the probability that is also located in the circle?
110.
Chemistry
A property of compounds is that its components ...
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