SAAT – Experimental Test 2 – SATI

Welcome to your SAAT - Experimental Test 2

School Name

Gender

Male

Female

City

Biology

Reptiles are similar to bats in all the following, except

Yolk Sac

Placenta

Intestines

Fetal Membrane

None

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?

100

3600

0.01

None

Chemistry

If the angle of the bond is 180, what is the hybridization type?

$Sp^3d$

$Sp^3$

$Sp$

$Sp^2$

None

Biology

What is the most common cause of cardiovascular disease?

Increased heartbeat

Inadequate supply of red blood cells

Lack of sodium in the diet

Fatty deposits in the arteries

None

Physics

The transmission of an electron from the fourth energy level to the second energy level launches ............ series.

Balmer

Lyman

Paschen

Absorption

None

Biology

what symmetry is seen in octopus?

radial

Polylateral

Asymmetrical

Bilateral

None

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.

Mass

Surface area

Volume

Weight

None

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?

Light had caused temporary blindness

The pupils are not dilated yet

The pupils are not adapted to the dark

The eyes are adapted to the light only

None

Math

The number $\pi$ is:

imaginary

irrational

integer

rational

None

10.

Biology

Which of the following doesn’t have an antenna:

ant

crab

Spider

Cockroach

None

11.

Math

Find the polar coordinates for the point $(1, -\sqrt{3})$?

$(1, \frac{\pi}{3})$

$(2, \frac{\pi}{3})$

$(2, -\frac{\pi}{3})$

$(-2, \frac{5\pi}{3})$

None

12.

Chemistry

The bond between carbon molecules is ....

Metallic

Hydrogen

Covalent

Ionic

None

13.

Chemistry

Which of the following electrons are distributed according to Hund's rule?

None

14.

Chemistry

A colloid is considered..

Heterogenous mixture

Suspended mixture

Solution

A homogenous mixture

None

15.

Math

What is the image of the point $B(2, 3)$ by translation $(x, y) \rightarrow (x+4, y-5)$?

$(-2, 6)$

$(6, -2)$

$(4, -5)$

$(6, 0)$

None

16.

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?

68%

64%

97.5%

81.5%

None

17.

Math

The domain of the function $y=\sqrt{x+1}$ is:

$[-1, \infty)$

$R$

$[1, \infty)$

$R-\{-1\}$

None

18.

Chemistry

Which of the following is true about the electronic configuration $[Ar]4s^23d^{10}4p^{4}$?

Group 14, period 4, and block p

Group 16, period 3, and block p

Group 16, period 4, and block p

Group 14, period 4, and block d

None

19.

Physics

A person has a mass of 100kg on the earth, what's its mass on the moon?

100 kg

0 kg

160 kg

980 kg

None

20.

Chemistry

if the reactants' concentration is greater than the products' concentration at equilibrium then ....

$K_{eq}$ = $1$

$K_{eq}$ > $1$

$K_{eq} \geq 1$

$K_{eq}$ < $1$

None

21.

Biology

If A player falls and feels pain, what does the body release to relieve/reduce the pain?

Thyroxine

Cortisone

Adrenaline

Growth hormone

None

22.

Math

If $g(x)=x^2$, then which of the following equals $g(x+1)$ ?

$x^2+2x+1$

$x^2+1$

$x^2+x$

None

23.

Math

Which of the following is equivalent to the expression: $\frac{\cos{\theta}}{1-\sin ^2 \theta}$?

$\cos{\theta}$

$\sec {\theta}$

$\tan{\theta}$

$\csc{\theta}$

None

24.

Chemistry

Which of the following mole ratio for iron in the following balanced chemical equation is right?

$3\text{Fe(s)}+4\text{H}_2\text{O(I)} \rightarrow \text{Fe}_3\text{O}_4\text{(s)}+4\text{H}_2\text{(g)}$

$\frac{3\ mol\ Fe}{2\ mol\ H_2}$

$\frac{1\ mol\ Fe}{4\ mol\ H_2}$

$\frac{3\ mol\ Fe}{4\ mol\ H_2O}$

$\frac{3\ mol\ Fe}{2\ mol\ Fe_3O_4}$

None

25.

Chemistry

which compound has the highest polarity?

$H_2O$

$CH_4$

$NH_3$

$CH_3CH_3$

None

26.

Chemistry

The oxidation number of nitrogen in $HNO_3$ is ...

-5

-3

None

27.

Math

The length of the transverse axis for the hyperbola whose equation $\frac{(x-8)^2}{49} - \frac{(y+5)^2}{64}=1$ equals:

None

28.

Biology

Which of the following parts of the figure is an example of a biotic factor?

sunlight

deer

river

soil

None

29.

Math

What is the value of the statement $log_aa^n$?

None

30.

Math

If $y$ varies directly with $t$, and $x=6$ when $y=9$, then what is the value of $y$ when $x=18$?

None

31.

Physics

The equivalent resistant in the following circuit is ..

$\frac{48}{R}$

$\frac{R}{4}$

$\frac{4}{R}$

None

32.

Biology

Which of the following is responsible for the production of red blood cells?

Muscular system

Skeletal system

Lymphatic system

Nervous system

None

33.

Math

From the opposite figure: the local maximum value is:

2 at $x=-1$

5 at $x=4$

4 at $x=3$

$-1$ at $x=1$

None

34.

Math

What is the derivative of the function $f(x)=\frac{1}{x^6}$

$\frac{6}{x^7}$

$\frac{-6}{x^7}$

$6x^5$

$\frac{-6}{x^5}$

None

35.

Physics

A lamp has an average power of 75W, what is its maximum power?

3.75W

37.5W

150W

15W

None

36.

Physics

In standing waves, the number of antinodes ...... number of nodes.

Equals

Less that

Double

Greater than

None

37.

Physics

Calculate the amount of change in entropy for a sample of water that gained 600j of heat at $27^{\circ}$C ..

22.22 j/k

2 j/k

20 j/k

0.5 j/k

None

38.

Math

The parent function of the opposite graph is:

$f(x)=\frac{1}{x}$

$f(x)=\sqrt{x}$

$f(x)=x^2$

$f(x)=x^3$

None

39.

Math

The value of $x$ satisfices the equation: $4^{x-1}+5=6$

-1

None

40.

Biology

What term is used to describe the ability to maintain a constant internal environment

Metabolism

Homeostasis

Thermoregulation

Growth and development

None

41.

Chemistry

A property of compounds is that its components ...

separated through filtration

unite in any proportion

don't lose their original properties

react chemically

None

42.

Biology

The diagram shows a leaf attached to the stem of a plant. What do the arrows at X represent?

movement of sucrose in xylem

movement of carbon dioxide in phloem

movement of mineral ions in phloem

movement of sucrose in phloem

None

43.

Math

What is the number of sample elements for selecting two cards with replacement, from a set of numbered cards from 1 to 8?

None

44.

Biology

In your heart, when the blood leaves the ventricle, it goes to:

Intestines

Brain

Lungs

Liver

None

45.

Biology

The opening of the uterus that connects to the vagina is called the:

Uterus

Ovary

Cervix

Fallopian tube

None

46.

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...

60N

15N

30N

None

47.

Biology

Which of the following is the building block carbohydrate?

Amino acid

Fatty acid

Monosaccharide

Nucleotide

None

48.

Biology

Where do producers obtain their energy?

From other producers

From the consumers

From the sun

From the decomposers

None

49.

Biology

Which of the following is part of agnathic fish (without jaws)?

Stingray

Lamprey

Skate

Shark

None

50.

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?

$\frac{1}{9}$

$\frac{9}{\pi}$

$\frac{\pi}{9}$

$\frac{1}{3}$

None

51.

Biology

Which is the smallest unit of life that can survive and reproduce on its own?

Tissues

Organ

Population

Cell

None

52.

Math

From the opposite figure: the value of $x$ equals:

$7\sqrt{3}$

$7\sqrt{2}$

None

53.

Biology

When a kid is diagnosed with hip dislocation, the doctor is expected to treat the

Hinge joint

Gliding joint

Pivot joint

Ball and socket joint

None

54.

Chemistry

moving down a group in the periodic table...

Atomic radius decreases

Ionization energy increases

Electronegativity decreases

Ionization energy doesn't change

None

55.

Biology

Which is not a trait shared by freshwater green algae and plants?

Food stored as starch

Cellulose cell walls

Contain vascular tissue

Chlorophyll

None

56.

Physics

In the decay of an alpha particle in a nucleus, the atomic number (Z) and mass number (A) become.

Z+2, A+4

Z-2, A+4

Z+2, A-4

Z-2, A-4

None

57.

Math

$\lim_{x\rightarrow\infty}\frac{3x^4-2x+7}{5x^2+9x}=.....$

$\frac{1}{3}$

$\infty$

None

58.

Math

If $y=⟨1, 3⟩ , w=⟨-1, 2⟩$ , then what is the value of $y-3w$?

⟨-2, 2⟩

⟨4, -3⟩

⟨-2, 1⟩

⟨4, 3⟩

None

59.

Biology

Which of the following is a major principle upon which cell theory is based?

All cells are eukaryotic

All organisms are made of cells

All cells form by free-cell formation

All cells have DNA

None

60.

Biology

Why do diatoms float on water?

Because its cells are big

Because its cell wall is made from silica

It stores its food as oil

Because it has an air bladder

None

61.

Chemistry

What is the volume required of a 2M KI solution to form a 1M solution with a volume of 0.2L?

300ml

200ml

400ml

100ml

None

62.

Math

The value of the integration $\int (3x^2-4) {dx}$ equals:

$3x^3$

$3x^2-4x+c$

$6x-4$

$x^3-4x+c$

None

63.

Chemistry

The conjugate acid for the base $HCO_3^-$

$HCO_3$

$CO_3^{-2}$

$H_2CO_3$

$HCO_3^{-2}$

None

64.

Biology

What helps (unsegmented Fungal hyphae/ Aseptate) on fast growth

The area of absorption increases

The speed of absorption increases

The nutrients transported rapidly

Many hyphae

None

65.

Physics

What work is done to move 4C charge through a potential difference of 200V ?

80000 J

8000 J

25 J

800 J

None

66.

Math

In the opposite figure; if $\angle \widehat{AB}=150^{\circ}$, then the value of x equals:

$60^{\circ}$

$50^{\circ}$

$120^{\circ}$

$30^{\circ}$

None

67.

Math

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

$214^{\circ}$

$107^{\circ}$

$130^{\circ}$

$360^{\circ}$

None

68.

Physics

The diagram represents the motion of a runner; his speed is ...

25 m/s

3 m/s

5 m/s

15 m/s

None

69.

Chemistry

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

1-Chloro-2,3-dibromobenzene

1,2-Dibromo-3-chlorocyclohexane

1,2-Dibromo-3-chlorobenzene.

None

70.

Math

The value of $(7+4i)-(1-5i)$ equals:

$6+9i$

$8+9i$

$8-i$

$6-i$

None

71.

Math

In the opposite figure: if $m(\angle 1)=2x-5$ , $m(\angle 2) = 4x-13$, then $m(\angle 2) = ......$

$18^{\circ}$

$55^{\circ}$

$59^{\circ}$

$31^{\circ}$

None

72.

Physics

A bicycle has a mass of 50kg and a momentum of 250 kg.m/s, its speed equals ...

25 m/s.

0.25 m/s.

5 m/s.

50 m/s.

None

73.

Chemistry

The following shape represents ...

4-methylbutane.

2-ethylpropane.

2-ethyl-4-mehtylheptane.

4,2-dimethylhexane.

None

74.

Biology

The beak of the humming bird is used in

filter feeding

sever its prey

stabbing fish

getting nectar from flowers

None

75.

Chemistry

Which of the following is considered matter?

Waves

Light

Smoke

heat

None

76.

Biology

Which is a characteristic of mosses?

Seeds

Rhizoids

Flowers

Vascular tissue

None

77.

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?

None

78.

Math

What is the measure of each interior angle of a regular pentagon?

$540^{\circ}$

$96^{\circ}$

$108^{\circ}$

$120^{\circ}$

None

79.

Math

Find the sixth term of the sequences: 2, 4, 8, .... ?

None

80.

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.

1715

1143

572

2287

None

81.

Math

Find the fifth term in the expansion of $(x+y)^{6}$?

$60xy^5$

$30x^2y^4$

$30x^3y^3$

$15x^2y^4$

None

82.

Biology

Which plant division is the largest on Earth today and is characterized by producing flowers and fruit?

Pterophyta

Bryophyta

Anthophyta

Coniferophyta

None

83.

Chemistry

How do we make carbon dioxide dissolve in liquid?

Increasing the temperature

decreasing the pressure

Continuous agitation

Decreasing the temperature

None

84.

Biology

The glue cells on the contractile tentacles of Hydra used to catch prey is called

Colloblast

Cnidoblast

Statocyst

Combs

None

85.

Math

In the opposite figure; the measure of the arc $\widehat{AB}$ equals:

$90^{\circ}$

$120^{\circ}$

$60^{\circ}$

$80^{\circ}$

None

86.

Chemistry

Calculate the sells potential $\text{Sn(s)}+\text{Cu}^{2+}\text{(aq)}+\text{Cu(s)}$, knowing that $E^0_{\text{Sn}^{2+}} \ \text{,} \ E^0_{\text{Cu}^{2+}}=+0.3\text{V}$

0.1 V

0.4 V

0.3 V

0.2 V

None

87.

Math

Determine the direction of opening of the parabola curve whose equation $y^2=-8(x-6)$?

Down

Right

Left

None

88.

Biology

Which of the following is the building block of protein?

Nucleotide

Monosaccharide

Amino acid

Fatty acid

None

89.

Biology

Which term correctly completes the concept map shown above?

Nonvascular

Seed-producing

Vascular

Flowering

None

90.

Physics

Temperature equicalent to $50^{\circ}$C in kelvin is...

223

323

None

91.

Math

Determine the type of the Function: $f(x)=x^5+x$?

neither even nor odd

odd

even

even and odd

None

92.

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?

virtual and reduces

real and enlarged

real and reduced

virtual and enlarged

None

93.

Biology

Which region of a vertebrate forebrain is considered with the neutral-endocrine control of visceral activities?

Hypothalamus

Thalamus

Pituitary

Cerebellum

None

94.

Math

The value of $x$ in the opposite quadrilateral equals:

$270^{\circ}$

$45^{\circ}$

$90^{\circ}$

$180^{\circ}$

None

95.

Chemistry

1kg of wood dust burns faster than 1kg of a piece of wood because....

concentration

surface area

chemical composition

temperature

None

96.

Physics

Pendulum with a length of L equal to the gravitational acceleration g, what is the period for this pendulum in s?

$2 \pi$

$2 \pi 2$

$4 \pi 2$

$\pi$

None

97.

Physics

The equation of the energy of vibration is....

nhc

nhf

nh$\lambda$

nhv

None

98.

Biology

Where does protein synthesis take place?

Lysosomes

Endoplasmic reticulum

Ribosomes

Golgi bodies

None

99.

Biology

Which is concerned with phylogenetic taxonomy

Internal features

External features

Everything concerning the organism

Nucleotide arrangement of organisms

None

100.

Chemistry

Atomic mass unit nearly equals the mass of...

Nucleus

Proton

Atom

Electron

None

101.

Math

Find the equation of the line with a slop of 4 and a $y$-intercept of 5?

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

$y=4x+5$

$x=5y+4$

$y=5x+4$

None

102.

Physics

The unit of power ..

$kg.m/s^2$

$kg.m^2/s^2$

$kg.m^2/s^3$

$kg.m^3/s^3$

None

103.

Biology

Why men must have more red blood cells per cubic millimeter of blood than women?

They have bigger physique and need more blood

Man does strenuous activities and needs more energy

They are more prone to anaemia disorders

Man wastes more blood cells and needs extra

None

104.

Biology

What clears waste and aids in water balance in insects

Malpighian tubes

Nephron

Flame cell

Nephridia

None

105.

Math

If $f(x)=2x-5$, then $f^{-1}(x)$ equals:

$\frac{x+5}{2}$

$-2x+5$

$2x+5$

$\frac{x-5}{2}$

None

106.

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 $9\times 10^{9} N.m^2/C^2$ ...

$4\times 10^{-9}$

$4\times 10^{-19}$

None

107.

Biology

Which of the following is a sarcodina?

amoeba

Paramecium

plasmodium

Trypanosoma

None

108.

Chemistry

if $[OH^-]=10^{-5}$, Find the pH

None

109.

Chemistry

Carbonyl group: earbon atom bonded with ...... atom in a .....?

Nitrogen, Single Bond

Oxygen, Single Bond

Nitrogen, Double Bond

Oxygen, Double Bond

None

110.

Physics

What is the charging of a capacitor with a capacitance of $6\mu F$ and its potential difference is 30 V?

$5C$

$5 \mu C$

$180 C$

$180\mu C$

None

1 out of 110

Responses