SAAT – Experimental Test 3 – SATI

Welcome to your SAAT - Experimental Test 3

School Name

Gender

Male

Female

City

Physics

When connecting two resistors, R1, R2, in series, you can calculate the current using which formula

$I=V(R1+R2)$

$I=\frac{V}{R_1+R_2}$

$I=\frac{R_1R_2}{V}$

$I=\frac{V}{R_1R_2}$

None

Math

If $\triangle ABC$ is isosceles, find the length of side $BC$?

None

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? ($K=9\times 10^9 N.m^2/C^2$)

30N

20N

None

Math

If $\log_x32=5$, then the value of x equals:

None

Biology

Which of the following statement is true about mutations?

only certain gene locations are affected

Rates tend to be very high in most populations.

irreversible

generally lethal

None

Chemistry

The percent by mass of a solution containing 5g of dissolved solute in 50g of water...

10%

12%

None

Chemistry

Elements in their standard state have a $\Delta H^{\circ}_f$ of ....

3 kJ\mol

0 kJ\mol

1 kJ\mol

2 kJ\mol

None

Physics

The precision of the measurement of an instrument is ...

One half the smallest division

One quarter the smallest division

One quarter the greatest division

One half the greatest division

None

Math

Find the exact value of $\cos 135^{\circ}$ ?

$-\frac{\sqrt{2}}{2}$

$\frac{\sqrt{3}}{2}$

$\sqrt{-2}$

$\sqrt{2}$

None

10.

Math

What is the common difference of the arithmetic sequence in which its 5th term is 16, and its first term = -8

-2

None

11.

Physics

The relation between a concave mirror's center of curvature C and the focal distance F is ....

C=$\frac{1}{4}$F

C=2F

C=$\frac{1}{2}$F

C=F

None

12.

Physics

As the velocity of fluid flow increases, the pressure exerted by that fluid....

Doesn't change

Increases

Equal zero

Decreases

None

13.

Physics

The heat absorbed or released from an object does not depend on its ...

change in its temperature

mass

shape

specific heat

None

14.

Biology

The portion of the DNA molecule that can vary is its

ribose.

deoxyribose.

sugar.

base.

None

15.

Biology

What is a fruit in biological terms?

a ripened plant ovary

the sweet-tasting part of a plant

the plant part that makes seeds

a fleshy edible plant part

None

16.

Math

If $\triangle JLM \sim \triangle QST$ find the value of $x$?

1.5

None

17.

Physics

Beta decay causes ...

increased mass number

decreased atomic number

decreased mass number

increased atomic number

None

18.

Math

In the opposite figure; the measure of angle $\theta$ equals

$40^{\circ}$

$90^{\circ}$

$65^{\circ}$

$80^{\circ}$

None

19.

Chemistry

Which of the following does not have a hydrogen bond?

Water

Methane

Ammonia

Hydrogen chloride

None

20.

Math

What is the derivative of the function $f(x)=\sqrt{7}$

$0$

$2\sqrt{7}$

$7$

$\sqrt{7}$

None

21.

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 ....

0.2

9.8

None

22.

Chemistry

Tyndall effect...

Rapid movement

Tyndall effect

Random movement

Scatter light

None

23.

Biology

Which of the following energy transformations occurs only in autotrophic organisms?

from mechanical energy to thermal energy

from light energy to chemical energy

from chemical energy to mechanical energy

from electrical energy to thermal energy

None

24.

Math

The opposite figure shows number of students successfully passing each subject. the number of students who did not succeed in chemistry equals:

None

25.

Biology

Substances that make up the CDK cycloenzyme group that control the stages of the cell cycle

fats and enzymes

carbohydrates

proteins and enzymes

fats and proteins

None

26.

Physics

A spring was vibrated 60 times fully in 20s, what is its frequency in Hz?

$\frac{1}{3}$

$\frac{1}{6}$

None

27.

Chemistry

What are the two last electronic configuration notation in the element silver $\text{Ag}_{47}$?

Knowing that $\text{Kr}_{36}$

$[Kr]4s^14d^5$

$[Kr]5s^14d^{10}$

$[Kr]4s^23d^5$

$[Kr]4d^{10}5s^1$

None

28.

Biology

In what era did the dinosaurs become extinct?

Ice age

Cretaceous

Cambrian

Jurassic

None

29.

Chemistry

The name of the compound in the following shape ...

Propylbenzene

Benzene

Methylbenzene

Ethylbenzene

None

30.

Math

Find the value of the integration $\int_{1}^{4} 2x \ dx$?

None

31.

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

decreased predator detection.

increased risk of transmitting disease.

less competition for resources.

poorer results from foraging.

None

32.

Chemistry

Which of the following sublevels is not in an atom?

None

33.

Math

The inverse function of $f(x)=18-3x$ is:

$6+3x$

$6-3x$

$3x-6$

$6-\frac{x}{3}$

None

34.

Chemistry

Which of the following is an oxidation reaction?

$I_2 \rightarrow 2I^-$

$Cl_2 \rightarrow 2Cl^-$

$Ag^+ \rightarrow Ag$

$Fe^{+2} \rightarrow Fe^{+3}$

None

35.

Chemistry

What's the type of reacting shown?

$\text{CH}_3-\text{CH}_3\rightarrow \text{CH}_2=\text{CH}_2$

Substitution

elimination

addition

oxidation-reduction

None

36.

Physics

The energy of a photon is ...

directly proportional with the wavelength

inversely proportional with the wavelength

inversely proportional with the mass

directly proportional with the mass

None

37.

Biology

The danger of AIDS is that…

It attacks platelets

It Attacks T cells

It Attacks the general immunity

It attacks B cells

None

38.

Biology

What is a radula?

a flatworm's flat gills

a snail's protective shell

a molluscs’ feeding organ

a squid's nervous system

None

39.

Biology

During glycolysis the number of ATP molecules used and produced are

2-4

6-3

2-2

3-6

None

40.

Biology

What is the name of the structure shown in the picture?

flame cells

Henley loop

Jacobson organ

stinging cells

None

41.

Physics

The speed of sound in the air depends on ....

wave capacity

sound level

sound loudness

temperature

None

42.

Biology

The two main groups of flowering plants based on seed type are

cotyledons and dicotyledons

monocots and bicots

monocots and polycots

monocots and dicots

None

43.

Biology

An organelle that finalizes and packages proteins after they are produced in the ribosomes

The endoplasmic reticulum

ribosomes

Golgi apparatus

Lysosomes

None

44.

Math

If the probability of the occurrence of event $A$ is 42%, then the probability of non occurring the event $A$ equals:

100%

50%

58%

75%

None

45.

Biology

Which of the following is a disaccharide?

glucose

chitin

sucrose

fructose

None

46.

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:

None

47.

Biology

What contributes to the transport of substances across the cell membrane

Sugars

carbohydrates

proteins

Mineral salts

None

48.

Physics

The power is

Directly proportional with both the resistance and the square of the current

Directly proportional with the resistance and inversely proportional with the square of the current

Inversely proportional with the resistance and directly proportional with the square of the current

Inversely proportional with both the resistance and the square of the current

None

49.

Math

The image of the point (-1, 3) by reflection on line $y=x$ is:

(-1, 3)

(1, -3)

(3, -1)

(1, 3)

None

50.

Physics

A bulb has an illuminance of 2lx, what is it's luminous flux in a distance of 5m?

$120\pi \ lm$

$200 \pi \ lm$

$100\pi \ lm$

$40\pi \ lm$

None

51.

Chemistry

What is the order of the following chemical reaction? $R=k[A]^1 \cdot [B]^2$

Second

Third

First

Fourth

None

52.

Biology

Fertilization in reptiles ...

Her eggs are not fertilized

Binary fission

external

Internal

None

53.

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

3'-T-G-G-C-A-C-T-G-T-A-A-C-5'.

3'-T-C-C-G-A-G-T-G-T-A-A-C-5'.

3'-U-G-G-C-A-C-U-G-U-A-A-C-5'.

5'-T-G-G-C-A-C-T-G-T-A-A-C-3'.

None

54.

Physics

When an ultraviolet radiation falls on a negative charged zinc board, it ejects an electron from zinc because...

The frequency of the ultraviolet radiation is smaller than the threshold frequency of zinc.

The frequency of the ultraviolet radiation is larger than the threshold frequency of zinc.

The wave of the ultraviolet radiation is larger than the wave length of the threshold of zinc

The energy of the ultraviolet is smaller than the function of the zinc

None

55.

Biology

What is the role of cyclic proteins in the cell?

It gives the signal to start cell division

It regulates the movement of microtubules in the cell

cause the disappearance of the nucleolus

Stimulates dissolution of the nuclear envelope

None

56.

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?

5.5V

None

57.

Math

Find the number of sides for a regular polygon, if the measure of its exterior angle equals $30^{\circ}$

None

58.

Chemistry

how many moles does a 66g of $\text{CO}_2$ has? knowing that C=12, O=16, H=1 ....

3.9

1.25

1.5

2.9

None

59.

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?

None

60.

Biology

Rather than exploring an animal's intelligence, scientists interested in mental skill focus on the animal's

mental insight.

social behavior

cultural behavior

cognitive abilities.

None

61.

Math

A set of data is distributed naturally with arithmetic mean equals 12 and standard deviation2, then what is the percentage of $p(10\leq x \leq 16)$ ?

16%

84%

81.5%

68.5%

None

62.

Math

How many ways can a person enter a mosque which has five doors and exit from a different door?

120

None

63.

Math

Find the scalar (inner) product of the two vectors v, u if $v=$❮$-5, 1$❯$\ , \ u=$❮$3, -2$❯?

-17

-10

None

64.

Math

If $x$ varies inversely with $y$, and $x=24$ when $y=4$ then find the value of $x$ when $y=12$

None

65.

Biology

What four features do all chordates share at some point during development?

tail, spinal cord, pharyngeal slits, and fins

notochord, hollow nerve cord, pharyngeal slits, and tail

hollow nerve cord, jaws, tail, and pharyngeal slits

jaws, tail, fins, and notochord

None

66.

Math

in the trapezoid $DEGH: x, y$ are midpoints of its legs, find $DE$?

None

67.

Biology

Location of sperm maturation and storage:

conveyor vessel

seminiferous tubule

urethra

epididymis

None

68.

Math

The component form of the vector V where $|v|=8 \ \ \ , \ \ \ \theta =45^{\circ}$ is:

$(8\sqrt{2}, 4)$

$(4, 4\sqrt{2})$

$(8, 4\sqrt{3})$

$(4\sqrt{2}, 4\sqrt{2})$

None

69.

Chemistry

Which of the following increases in size when transformed form liquid to solid?

$H_2O$

$NH_3$

$CH_4$

$HCI$

None

70.

Math

Which of the following numbers doesn't belong to the domain of the function $f(x)=\sqrt{4-2x}$

None

71.

Physics

Based on the following figure: find the electric potential difference between the two plates.

300V

6000V

600V

3000V

None

72.

Physics

If the specific heat of zinc is $388j/kg^{\circ}C$ then 97j of heat is enough to ....

increase the temperature of 97kg of zinc by 1k

increase the temperature of 1kg of zinc by 1k

increase the temperature of 0.25kg of zinc by 97k

increase the temperature of 0.25kg of zinc by 1k

None

73.

Chemistry

What's the result of the acetone reduction?

Propanoic

2-propanone

Propionaldehyde

2-propanol

None

74.

Physics

Which of the following is a vector quantity?

Mass

Time

Distance

Displacement

None

75.

Chemistry

$2\text{Na(s)}+\text{Cl}_2\rightarrow \text{2NaCl(s)}...$

dissociation

synthesis

decomposition

combustion

None

76.

Chemistry

The vapor pressure effect on 1 mol NaCl is lower than the vapor pressure effect on.....

1 mol $\text{AlCl}_3$

1 mol $\text{MgO}$

1 mol $\text{KCl}$

1 mol $\text{HBr}$

None

77.

Math

The parabola whose equation $x^2=8(y-4)$ is opened to:

left

right

down

None

78.

Chemistry

When the electronegativity difference between the two atoms is zero, then the compound is....

Polar covalent

Forms a hydrogen bond

Ionic

Nonpolar covalent

None

79.

Math

In the opposite figure; the value of $x$ equals:

None

80.

Biology

Which is considered a general or nonspecific immunity in the body?

Skin and tears

Antibodies

antigens

B cells

None

81.

Math

If $2+\frac{1}{x}=4$, then the value of $x$ is:

$\frac{-1}{2}$

$\frac{1}{4}$

$\frac{1}{2}$

None

82.

Biology

Malaria is caused by the parasitic protist

Plasmodium.

Trypanosoma.

Anopheles.

Giardia.

None

83.

Biology

It Supports the cell, maintains its shape, and stabilizes the organelles in the cell ....

Elastic threads

cytoskeleton

carrier protein

spindle filament

None

84.

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....

2400V

12V

120V

1200V

None

85.

Math

Find the value of b if: $3-2bi=3+8i$

-4

None

86.

Biology

Sea stars feed by .........

using tube foot-like extensions to digest food.

grabbing swift-moving prey with their tentacles.

moving swiftly across the ocean floor to capture prey.

pushing their stomachs out of their mouths.

None

87.

Math

Determine the type of the Function $f(x)=2x-x^4$?

odd

even and odd

neither even nor odd

even

None

88.

Biology

A Protein that makes up the hair, nails, and animals horns

chitin

keratin

pectin

cellulose

None

89.

Biology

The key difference between animal-like protists and animals is that animal-like protists are

unicellular and animals are multicellular.

not heterotrophic and animals are.

unable to consume other living organisms and animals can.

stationary and animals are motile.

None

90.

Math

Find the value of the function $f(x) = 2x^2-8$ at $x=-1$

-4

-6

None

91.

Chemistry

The oxidation number of chromium in $K_2CrO_4$ is...

-5

-3

None

92.

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 $g=10m/s^2$)

-4000

-4

-40

-400

None

93.

Biology

The cancer drug vinblastine interferes with cancer by preventing.

building carbohydrates

The disappearance of the nuclear envelope

Spindle thread formation

DNA replication

None

94.

Biology

Which one of the following is a simple sugar?

lactose

fructose

maltose

sucrose

None

95.

Biology

Algae are similar to plants because they have ..

chlorophyll for photosynthesis.

specialized tissues.

the same reproductive structures as plants.

stems, leaves, and roots.

None

96.

Physics

The power of an electric motor with work of 30000J during 30s ....

100W

900000W

1000W

3000W

None

97.

Math

Find the value: $\lim_{x\rightarrow 4} \frac{x^2-16}{x-4}$ ?

-4

None

98.

Chemistry

The type of reaction in $\text{C}_2\text{H}_6+\text{Cl}_2\rightarrow C_2H_5Cl$ is ...

Oxidation

Decomposition

Halogenation

Hydrogenation

None

99.

Math

The positive geometric mean of the two numbers 12, 3 equals:

None

100.

Math

The disc is divided into 8 equal sectors, what is the probability of spinning an odd number?

$\frac{1}{2}$

$\frac{3}{4}$

$\frac{1}{3}$

$\frac{1}{4}$

None

101.

Chemistry

if $[H^+] < [OH^-]$ then the solution is

Basic

Neutral

Amphoteric

Acidic

None

102.

Biology

Where do light dependent reactions occur during photosynthesis?

matrix

thylakoid membrane

stroma

mitochondria

None

103.

Math

Find the equation of the straight line with slope 4 and passes through the point (-3, -6)?

$y=4x-6$

$y=4x+6$

$y=\frac{1}{4}x+5$

$y=-\frac{1}{4}x-6$

None

104.

Chemistry

The name of the compound in the following shape ....

3-methycyclopentane

2-methyl pentane

Methylcyclopentane

Methylpentane

None

105.

Chemistry

Which of the following compounds is an Alkane....

$C_2H_6$

$C_2H_2$

$C_4H_9OH$

$Ch_3Cl$

None

106.

Math

In the opposite figure: what is the value of x?

$30^{\circ}$

$24^{\circ}$

$50^{\circ}$

$60^{\circ}$

None

107.

Chemistry

A neutral solution contains two equal concentrations of hydrogen ions and ....

Oxygen

Nitrogen

Hydroxide

Chloride

None

108.

Biology

Two adaptations that have helped all flowering plants succeed are

cones and flowers

herbaceous stems and woody sterns

flowers and fruit

monocots and dicots

None

109.

Math

The center of the ellipse whose equation $\frac{(x+2)^2}{36}+\frac{(y-5)^2}{9}=1$ ; the point

(-5, 2)

(-2, -5)

(-2, 5)

(2, -5)

None

110.

Biology

Which of these groups of animals is most likely to be capable of solving complex problems?

termites, bats, and squirrels

turtles, robins, and cougars

dolphins, chimpanzees, and ravens

lizards, horses, and jackals

None

1 out of 110

Responses