You are running out of time! few seconds are remaining.
1.
Physics
The power of an electric motor with work of 30000J during 30s ....
2.
Biology
During glycolysis the number of ATP molecules used and produced are
3.
Biology
Location of sperm maturation and storage:
4.
Physics
The energy of a photon is ...
5.
Chemistry
What are the two last electronic configuration notation in the element silver $\text{Ag}_{47}$?
Knowing that $\text{Kr}_{36}$
6.
Biology
Which of the following energy transformations occurs only in autotrophic organisms?
7.
Math
The parabola whose equation $x^2=8(y-4)$ is opened to:
8.
Biology
Compared with the fish living in the conditions shown in the figure, panel A, the fish living in the conditions shown in panel B are likely to experience
9.
Math
Determine the type of the Function $f(x)=2x-x^4$?
10.
Biology
What is the name of the structure shown in the picture?
11.
Math
Find the equation of the straight line with slope 4 and passes through the point (-3, -6)?
12.
Math
If $x$ varies inversely with $y$, and $x=24$ when $y=4$ then find the value of $x$ when $y=12$
13.
Chemistry
The oxidation number of chromium in $K_2CrO_4$ is...
14.
Chemistry
A neutral solution contains two equal concentrations of hydrogen ions and ....
15.
Chemistry
Which of the following compounds is an Alkane....
16.
Physics
What is the induced electromotive force produced from the movement of 1m wire at a speed of 4m/s perpendicular to a magnetic field of strength 0.5T?
17.
Biology
An organelle that finalizes and packages proteins after they are produced in the ribosomes
18.
Math
In the opposite figure; the measure of angle $\theta$ equals
19.
Math
If $\log_x32=5$, then the value of x equals:
20.
Biology
Which of these groups of animals is most likely to be capable of solving complex problems?
21.
Physics
The relation between a concave mirror's center of curvature C and the focal distance F is ....
22.
Physics
A person pushed a box with a mass of 40kg for a distance of 10m with a constant speed on a horizontal surface its kinetic energy coefficient is $\mu = 0.1$, calculate the work of friction in $J$. (assume that the acceleration of gravity $g=10m/s^2$)
You are running out of time! few seconds are remaining.
23.
Biology
What is a fruit in biological terms?
24.
Biology
Sea stars feed by .........
25.
Math
The positive geometric mean of the two numbers 12, 3 equals:
26.
Chemistry
Which of the following sublevels is not in an atom?
27.
Physics
The heat absorbed or released from an object does not depend on its ...
28.
Math
The image of the point (-1, 3) by reflection on line $y=x$ is:
29.
Math
If $2+\frac{1}{x}=4$, then the value of $x$ is:
30.
Physics
A racing car increases its velocity (speed) from 4m/s into 36m/s in a time interval = 4s the acceleration of the car in $m/s^2$ unit equals?
31.
Math
For what value of (a) will the function $f(x)$ be continuous at $x=4$, $f(x)=\left\{\begin{matrix} \frac{x^2-16}{x-4} &,x\neq 4 \\ a &, x=4 \end{matrix}\right.$ is:
32.
Math
If $\triangle ABC$ is isosceles, find the length of side $BC$?
33.
Biology
The portion of the DNA molecule that can vary is its
34.
Physics
The precision of the measurement of an instrument is ...
35.
Biology
What is a radula?
36.
Chemistry
The type of reaction in $\text{C}_2\text{H}_6+\text{Cl}_2\rightarrow C_2H_5Cl$ is ...
37.
Biology
The danger of AIDS is that…
38.
Math
What is the common difference of the arithmetic sequence in which its 5th term is 16, and its first term = -8
39.
Chemistry
What's the type of reacting shown?
$\text{CH}_3-\text{CH}_3\rightarrow \text{CH}_2=\text{CH}_2$
40.
Physics
A spring was vibrated 60 times fully in 20s, what is its frequency in Hz?
41.
Physics
A positive charge of $5\mu C$ is put 30cm from a negative charge of $-4\mu C$, What is the magnitude of the force between them? ($K=9\times 10^9 N.m^2/C^2$)
42.
Chemistry
$2\text{Na(s)}+\text{Cl}_2\rightarrow \text{2NaCl(s)}...$
43.
Chemistry
The name of the compound in the following shape ...
44.
Biology
What is the role of cyclic proteins in the cell?
You are running out of time! few seconds are remaining.
45.
Math
The disc is divided into 8 equal sectors, what is the probability of spinning an odd number?
46.
Biology
For the DNA strand 5'-A-C-C-G-T-G-A-C-A-T-T-G-3', the correct compliment DNA would be
47.
Chemistry
if $[H^+] < [OH^-]$ then the solution is
48.
Biology
Which of the following statement is true about mutations?
50.
Biology
What contributes to the transport of substances across the cell membrane
51.
Chemistry
Tyndall effect...
52.
Biology
In what era did the dinosaurs become extinct?
53.
Biology
Which one of the following is a simple sugar?
54.
Math
Find the value: $\lim_{x\rightarrow 4} \frac{x^2-16}{x-4}$ ?
55.
Math
The component form of the vector V where $|v|=8 \ \ \ , \ \ \ \theta =45^{\circ}$ is:
56.
Chemistry
how many moles does a 66g of $\text{CO}_2$ has? knowing that C=12, O=16, H=1 ....
57.
Math
in the trapezoid $DEGH: x, y$ are midpoints of its legs, find $DE$?
58.
Math
If the probability of the occurrence of event $A$ is 42%, then the probability of non occurring the event $A$ equals:
59.
Math
The opposite figure shows number of students successfully passing each subject. the number of students who did not succeed in chemistry equals:
60.
Physics
A 100n horizontal force is applied on a 20kg body and moved it with the same direction of the force, the gained acceleration of the body in $m/s^2$ is ....
61.
Biology
Two adaptations that have helped all flowering plants succeed are
62.
Biology
Which is considered a general or nonspecific immunity in the body?
63.
Math
How many ways can a person enter a mosque which has five doors and exit from a different door?
64.
Math
The center of the ellipse whose equation $\frac{(x+2)^2}{36}+\frac{(y-5)^2}{9}=1$ ; the point
65.
Math
Find the number of sides for a regular polygon, if the measure of its exterior angle equals $30^{\circ}$
66.
Biology
Rather than exploring an animal's intelligence, scientists interested in mental skill focus on the animal's
You are running out of time! few seconds are remaining.
67.
Physics
As the velocity of fluid flow increases, the pressure exerted by that fluid....
68.
Physics
The speed of sound in the air depends on ....
69.
Biology
Substances that make up the CDK cycloenzyme group that control the stages of the cell cycle
70.
Biology
The cancer drug vinblastine interferes with cancer by preventing.
71.
Math
Find the value of the integration $\int_{1}^{4} 2x \ dx$?
72.
Biology
The two main groups of flowering plants based on seed type are
73.
Physics
a transformer that its number of turns in primary coil is 200 turns, and 4000turns in secondary coil. if it was supplied with a potential (or effective) difference of 6V calculate the secondary potential difference....
74.
Chemistry
Elements in their standard state have a $\Delta H^{\circ}_f$ of ....
75.
Chemistry
The percent by mass of a solution containing 5g of dissolved solute in 50g of water...
76.
Chemistry
Which of the following is an oxidation reaction?
77.
Physics
Which of the following is a vector quantity?
78.
Math
If $\triangle JLM \sim \triangle QST$ find the value of $x$?
79.
Chemistry
Which of the following increases in size when transformed form liquid to solid?
80.
Biology
The key difference between animal-like protists and animals is that animal-like protists are
81.
Math
Find the exact value of $\cos 135^{\circ}$ ?
82.
Physics
A bulb has an illuminance of 2lx, what is it's luminous flux in a distance of 5m?
83.
Biology
Where do light dependent reactions occur during photosynthesis?
84.
Biology
Malaria is caused by the parasitic protist
85.
Physics
When connecting two resistors, R1, R2, in series, you can calculate the current using which formula
86.
Math
A set of data is distributed naturally with arithmetic mean equals 12 and standard deviation2, then what is the percentage of $p(10\leq x \leq 16)$ ?
87.
Chemistry
Which of the following does not have a hydrogen bond?
88.
Biology
Which of the following is a disaccharide?
You are running out of time! few seconds are remaining.
89.
Chemistry
The name of the compound in the following shape ....
90.
Math
The inverse function of $f(x)=18-3x$ is:
91.
Physics
When an ultraviolet radiation falls on a negative charged zinc board, it ejects an electron from zinc because...
92.
Chemistry
What is the order of the following chemical reaction? $R=k[A]^1 \cdot [B]^2$
93.
Math
Find the scalar (inner) product of the two vectors v, u if $v=$❮$-5, 1$❯$\ , \ u=$❮$3, -2$❯?
94.
Chemistry
When the electronegativity difference between the two atoms is zero, then the compound is....
95.
Physics
Based on the following figure: find the electric potential difference between the two plates.
96.
Chemistry
What's the result of the acetone reduction?
97.
Physics
Beta decay causes ...
98.
Physics
If the specific heat of zinc is $388j/kg^{\circ}C$ then 97j of heat is enough to ....
99.
Math
What is the derivative of the function $f(x)=\sqrt{7}$
100.
Biology
It Supports the cell, maintains its shape, and stabilizes the organelles in the cell ....
101.
Biology
A Protein that makes up the hair, nails, and animals horns
102.
Math
In the opposite figure: what is the value of x?
103.
Math
Find the value of b if: $3-2bi=3+8i$
104.
Chemistry
The vapor pressure effect on 1 mol NaCl is lower than the vapor pressure effect on.....
105.
Math
Which of the following numbers doesn't belong to the domain of the function $f(x)=\sqrt{4-2x}$
106.
Math
Find the value of the function $f(x) = 2x^2-8$ at $x=-1$
107.
Biology
What four features do all chordates share at some point during development?
108.
Math
In the opposite figure; the value of $x$ equals:
109.
Biology
Fertilization in reptiles ...
110.
Biology
Algae are similar to plants because they have ..
Your quiz time is about to finish. Few seconds left.
Responses