1.
Math
The integral: $\int (4x+5)\ dx$ is equal to:
3.
Biology
Female bees produced eggs that formed new individuals, both males and females, without fertilization. This method of reproduction is called:
4.
Math
What are the solutions of the equation $x^2+2x+5=0$?
5.
Math
In the following scenario, a car collides with a rock barrier and comes to a stop. If the average force acting on it is ($5\times 10^3N$), what is the time required (in seconds) for it to stop?
6.
Biology
The following diagram represents the gastrula stage of embryonic development. Which of the following structures does the arrow point to?
7.
Chemistry
The solution that resists changes in pH values upon adding specified amounts of acids and bases is the:
8.
Biology
In the following diagram, which of the following parts of the circulatory system does the arrow point to?
9.
Physics
Power loss in electrical wires can be reduced by using wires with a radius:
11.
Biology
When a person experiences a sudden spike in blood sugar levels, which of the following hormones regulates blood sugar levels to a normal range?
12.
Physics
Three equal resistors, each with a value of 15Ω, are connected in parallel. What is the equivalent resistance of the combination in the same units?
13.
Physics
What is the derived mathematical formula that expresses the force acting on a wire carrying electric current placed in a magnetic field?
14.
Chemistry
The general formula for ketones is:
15.
Physics
In the following figure, which represents a standing wave, which is:
16.
Math
What is the slope of the line perpendicular to the line with the equation: $y = 3x - 3$
17.
Biology
the following shape represent:
18.
Physics
In the following diagram, if the plank is swinging with m1 at the top and m2 at the bottom, where should we move the pivot point to balance the seesaw?
19.
Math
Which of the following is not an asymptote of the function $f(x)=\frac{6}{x^2-3x310}$
20.
Math
Saleh bought a bag with a digital lock that opens using three digits from 0 to 9. In how many ways can he choose the lock digits such that each digit is used only once?
22.
Biology
What are the complementary nitrogenous bases for the following sequence: :5'ATGGGCGC3'
23.
Chemistry
In the following reaction, the reaction does not occur because:
$Br_{2(l)} +NaF_{(aq)) \rightarrow NR$
24.
Biology
In: ___________________ the testes produce sperm in animals after
25.
Physics
When an attacker heads the ball towards the goal and the goalkeeper repels it with his hand, the force exerted by the goalkeeper on the ball is equal to the force:
26.
Math
What is the sixth term in the arithmetic sequence represented by the following pattern?
27.
Physics
Which of the following statements is correct?
28.
Physics
After one half-life, the radioactive activity of a sample decreases by:
29.
Math
In the following diagram, $\theta D$, what is the measure of $\widehat{AC}$?
30.
Biology
Mosquitoes are classified as:
31.
Chemistry
Which of the following statements represents a quantitative expression?
32.
Biology
The second diagram represents a comparative organizer for cells. Which of the following structures are represented by the question mark (?)?
33.
Chemistry
A concise way to express information about the atoms that make up a specific chemical compound is:
34.
Physics
In the following figure, a pond is filled with water with a density of 1000 kg/m³. What is the water pressure at point A in units of pascals (Pa)? (g = 10 m/s²)
35.
Chemistry
Using: $H_2O$, which is water, the components can be separated by:
36.
Physics
An object is placed 12 cm in front of a concave mirror with a radius of curvature of 24 cm. In which of the following positions will the image be located?
38.
Chemistry
When the temperature of an exothermic reaction at equilibrium is decreased:
40.
Chemistry
Which of the following equations represents a combustion reaction?
41.
Chemistry
What is the oxidation number of $Cr$ in the compound $K_2Cr_2O_7$?
42.
Chemistry
What is the expected formula of the product when sodium carbonate ($CO_{3}^{--}$) combines with sodium?
43.
Math
What is the exact value of cos(420°)?
44.
Physics
What type of bond exists in the molecule hydrogen chloride (HCl)?
Note that the atomic numbers are (Cl=17, H=1)
45.
Math
If $z_1 = 5(\cos(\frac{pi}{3}) + i \sin(\frac{pi}{3}))$ and $z_2 = 2(\cos(\frac{pi}{6}) + i \sin(\frac{pi}{6}))$, then what is the product $z_1 z_2$?
46.
Biology
Diatoms have the ability to float to the surface of the water due to:
47.
Biology
All of the following animals are considered secondary consumers except for:
48.
Physics
Which of the following is a physical change?
49.
Biology
Which of the following ecosystems is the most diverse?
50.
Biology
The following diagram represents the larva of a worm that lives in freshwater and causes the disease:
51.
Math
The expression $\frac{\sin\theta} {\tan \theta}$​ is positive in the following quadrants:
52.
Biology
When you dissect a spider, you see sac-like pockets that help in obtaining oxygen. These pockets are called:
53.
Biology
In the following diagram, which part of a sperm cell does the arrow point to?
54.
Chemistry
Calculate the mass in grams for the element K if you know that the number of moles is 2 mol and its molar mass is [39g/mol].
55.
Chemistry
Number of valence electrons for neon ($_{10}Ne$):
56.
Biology
All of the following are involved in a reflex arc, except for:
57.
Biology
I saw an animal with fur and nurses its young. What class does it belong to?
58.
Math
Which of the following always produces virtual images?
59.
Physics
In the following diagram, the current does not flow in the circuit because part X is made of:
60.
Math
In the following figure, a saw blade is made from a regular hexagon by cutting off six congruent right triangles. If a segment XY is cut from each tooth and m∠XYZ = 45°, what is the measure of angle ∠XZR, the sharp point of the blade?
61.
Biology
A couple both carry a recessive genetic disorder called cystic fibrosis. What is the probability of having a child affected with this disease?
62.
Math
Which of the following represents an ellipse?
63.
Math
in a study conducted on winter temperatures in Riyadh, the temperatures were recorded for a week and were as follows: 12, 11, 13, 13, 15, 19, 15. What is the average temperature for this week?
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