1.
Biology
The step that comes after the hypothesis is:
2.
Biology
We notice from observing snakes that they extend their tongues. What is the purpose of this?
3.
Biology
Which of the following living creatures can make its own food?
4.
Physics
A measure of the resistance of a liquid to flow and spread:
5.
Biology
Plants that lack vascular tissues are:
6.
Physics
Which compound has the highest boiling point?
7.
Biology
In the following diagram, the arrow indicates:
8.
Math
Find the value of x in the following shape:
9.
Math
$\lim_{x\rightarrow0}(x^2\cos x)$ equals:
10.
Biology
The diagram represents the blood type of the donor; therefore, the blood type of the recipient must be:
11.
Physics
The energy of a photon is proportional to:
12.
Physics
Which of the following graphs represents the velocity of a freely falling object?
13.
Chemistry
Proteins are classified as:
14.
Chemistry
Which of the following elements has the lowest ionization energy?
Knowing that the atomic numbers are: Br = 35, Cl = 17, F = 9, I = 53
15.
Chemistry
What is the name of the process in which oil is evaporated at its boiling point and then the different derivatives are collected as they condense at different temperatures?
16.
Physics
A car accelerates from rest at a constant acceleration of $3 m/s^2$. What is the time it takes in seconds for its speed to reach $33 m/s$?
17.
Chemistry
What is the conjugate acid of the base?
18.
Chemistry
The oxidation number of sulfur in SO₂
19.
Biology
What are the possible genotypes for a female with Turner syndrome?
20.
Biology
how many males and females infected:
21.
Math
What is the Cartesian equivalent of the following: $r=4\sin\theta$
22.
Chemistry
Which of the following compounds has the molecular formula C₆H₁₀?
23.
Math
What is the Cartesian graph of the equation r=3
24.
Chemistry
When radium $_{88}^{226}Ra$ decays, it emits an alpha particle and produces a new element, which is:
25.
Biology
The XXY genotype represents:
27.
Biology
Female silkworms produced eggs that became new individuals without fertilization. This method of reproduction is called
28.
Chemistry
An amino acid contains two functional groups, which are:
29.
Math
What is the value of x in the parallelogram below?
30.
Physics
Applications of surface tension include:
31.
Biology
Which of the following molecules is found in abundance in meat?
32.
Biology
What is the most important blood type in the emergency department of hospitals?
33.
Physics
if the following diagram, in order to make the shape balanced the mass of $A$ must equal:
34.
Math
According to the following shape, which curve represents the lowest average speed?
35.
Biology
Parts of the respiratory system that prevent food particles from entering the respiratory system:
36.
Biology
In the diagram, which of the following locations is where gas exchange occurs?
37.
Math
Four friends of equal mass are climbing stairs. Which friend has the most power?
| Saeed | Mohammed | Khalid | Ahmed |
| 14s | 18s | 20s | 24s |
38.
Biology
Diatoms have the ability to float on the surface of water due to...
39.
Physics
To make ruler measurements more accurate, which of the following is correct?
40.
Biology
In the saponification reaction, there is a breakdown of:
41.
Chemistry
Which of the following exhibits the Tyndall effect?
42.
Math
What is the value of x in the following: $\begin{bmatrix} -1 & 1\\ -2 & 1 \end{bmatrix} \cdot \begin{bmatrix} x\\ y \end{bmatrix} = \begin{bmatrix} 3\\ 6 \end{bmatrix}$
43.
Physics
In the figure is a concave mirror, if a body is placed between the focus and the center of curvature then the image of this body is
44.
Chemistry
The branch of chemistry that studies carbon-containing compounds:
45.
Chemistry
How many sigma bonds and pi bonds are there in acetylene H-C≡C-H?
46.
Biology
The figure shows the blood type of the donor. Based on this information, what should be the blood type of the recipient?
47.
Chemistry
Types of monosaccharides:
48.
Math
The Cartesian coordinates of the following point are equal to
49.
Chemistry
Which of the following is a monosaccharide?
50.
Biology
In the following figure, which of the following is the correct order for the complementary DNA strand to the strand shown in the figure?
51.
Biology
A bacterial disease that affects the lungs and reduces the effectiveness of gas exchange between air and blood:
52.
Math
The following function is undefined when x equals:
53.
Biology
What is the function of the referred to?
54.
Biology
Classified within the phylum Annelida, which worm helps maintain blood flow after surgery?
55.
Math
What is the angular velocity in (rad) of a celestial body that rotates on its axis every 20 hours?
56.
Biology
Which of the following creatures is most likely to form fossils?
57.
Biology
The following graph represents the blood pressure level of a person. Which of the following hormones caused the sudden increase indicated by the arrow in the graph?
58.
Biology
The hormone that rises when exposed to heatstroke is:
59.
Chemistry
What is the name of the compound in the following structure?
61.
Chemistry
The ratio of the mass of oxygen in $H_2O_2$ to its mass in $H_2O$ represents the law of:
62.
Chemistry
The general formula for an ether
63.
Biology
The largest animal extinction event occurred in:
64.
Biology
The shape shows the valves of the heart. Which of the following numbers refers to the pulmonary valve?
65.
Biology
If you see an animal with hair and nurses its young, you would classify it in the phylum:
66.
Physics
If the pressure is held constant, the volume of a gas will increase with...?
67.
Biology
Components of blood that indicate the presence of bacterial infections:
68.
Math
The graph that represents the function $f(x) = \sqrt{x + 1}$
69.
Chemistry
The attractive force between the positive ions of metals and free electrons:
70.
Biology
Nutrition in sponges is a type of nutrition:
72.
Math
if $\sin \theta=\frac{\sqrt{3}}{2}$ then $\csc =$
73.
Math
When there are no outliers in the data, the best measure of central tendency is:
74.
Chemistry
What is the functional group in aldehydes?
75.
Biology
A man has 6 sons. What is the probability that he will have another son?
77.
Chemistry
What is the most suitable method for separating the components of ink from water?
78.
Math
Find the derivative of the function $-x^2+6x$ at the point (1, 1)
80.
Biology
Heart valves work in one direction and allow blood to flow:
81.
Physics
Which of the following is a correct description of the Tyndall effect?
82.
Math
If $\sin \theta = \frac{\sqrt{3}}{2}$ then $\csc =$
83.
Biology
Examples of the daily pattern of animals:
84.
Math
determine the type of function in the given form:
85.
Chemistry
If the pOH value is 8.5, the compound is:
86.
Chemistry
Which of the following is classified as an alcohol?
87.
Biology
The regulation of an organism's internal environment to maintain its life is called:
88.
Biology
Bacteria that live on the root nodules of plants:
89.
Chemistry
The following electron configuration represents the sub-energy levels of the main energy levels of an atom of an element in the periodic table that is located in period:
90.
Math
the value of x in the following equation equals:
91.
Math
A person walks in a circular path and travels 360 meters in two seconds to return to his starting point. Which of the following is true?
92.
Chemistry
Which radioisotope is formed by the emission of an alpha particle according to the equation?
$^{226}_{88}Ra \rightarrow ^{222}_{86}Rn + ^{4}_{2}He$
93.
Physics
In the circuit diagram, there are six bulbs connected in a circuit. If bulb number (1) burns out, what will happen to the glow of the other bulbs?
94.
Chemistry
What is the chemical reaction that occurs between a triglyceride and a strong base solution to produce carboxylate salts and glycerol?
95.
Chemistry
What type of chemical reaction is represented by the equation:
96.
Chemistry
When the smell of solid naphthalene is detected in the air, it is evidence of the occurrence of which process?
97.
Biology
To prevent African sleeping sickness:
98.
Math
What is the next shape in the pattern?
99.
Biology
When the birth rate and external migration are equal to the death rate and internal migration:
100.
Biology
The table shows the antibodies and antigens in the blood of both Saeed and Ahmed. What are the blood types of Saeed and Ahmed?
| | Antigens | Antibodies |
| Saeed | B | A |
| Ahmed | AB | N/A |
101.
Math
In the following figure, if LMNP is a parallelogram, then the value of (x) is equal to
102.
Physics
The compound that has the highest boiling point
103.
Chemistry
Used in biological sample preservation for many years
104.
Physics
Which of the following is used as an indicator to determine the quantity of dispersed particles?
105.
Chemistry
Which of the following elements has the highest ionization energy?
Knowing that ($F^9,\ Cl^13,\ Br^35,\ I^53$)
107.
Biology
Which of the following regions has a great diversity of plankton?
108.
Chemistry
Which of the following expresses molality?
109.
Biology
In the diagram below, the processes of inhalation and exhalation occur when structure number ..........…. contracts or expands.
110.
Biology
...... cells build a cell plate that divides the cell into two new cells
111.
Chemistry
The most electronegative element:
112.
Biology
Excess glucose is stored in the liver and muscles in the form of:
113.
Chemistry
Which of the following compounds is systematically named cyclohexanol?
114.
Chemistry
Which of the following reactions is classified as a substitution reaction?
115.
Biology
To maintain our health, we must maintain the bacteria that fall under the name
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