Free Printable EMINENCE COLLEGE ADEWALE SELECTION TEST 2

1.

When limestone is heated it forms lime (calcium oxide) and carbon dioxide.

CaCO₃(s) → CaO(s) + CO₂(g)

Which statement is not correct?

a)

Carbon dioxide is a greenhouse gas which may contribute to climate change

b)

Slaked lime is used to neutralise industrial waste

c)

The lime can be used to treat alkaline soil

d)

This reaction is an example of thermal decomposition

2.

Which process is used to make lime (calcium oxide) from limestone (calcium carbonate)?

a)

chromatography

b)

electrolysis

c)

fractional distillation

d)

thermal decomposition

3.

A student is asked to draw a diagram showing the uses of limestone.

Which numbered lines show a correct use of limestone?

a)

1, 2 and 3

b)

1 and 2 only

c)

1 and 3 only

d)

2 and 3 only

4.

The diagram represents a lime kiln.

What leaves the furnace at X?

a)

calcium carbonate

b)

calcium hydroxide

c)

calcium oxide

d)

calcium sulphate

5.

The diagram shows the soil pH range over which a vegetable grows well.

The pH of the soil to be used is 5.5.

Why is lime added to the soil before planting the vegetable?

a)

The lime acts as a catalyst.

b)

The lime changes the soil acidity.

c)

The lime is an indicator.

d)

The lime supplies nitrogen.

6.

A new planet has been discovered and its atmosphere has been analysed. The table shows the composition of its atmosphere.

Which gases are present in the atmosphere of the planet in a higher percentage than they are in the Earth’s atmosphere?

a)

carbon dioxie and oxygen

b)

carbon dioxide only

c)

nitrogen and oxygen

d)

nitrogen only

7.

Which pollutant found in air does not have an effect on respiration?

a)

carbon monoxide

b)

lead compounds

c)

oxides of nitrogen

d)

sulphur dioxide

8.

Sulfur dioxide, carbon monoxide and oxides of nitrogen are common gaseous pollutants found in the air.

Which pollutants contribute to acid rain?

a)

carbon monoxide and sulphur dioxide

b)

oxides of nitrogen and sulphur dioxide

c)

oxides of nitrogen only

d)

sulphur dioxide only

9.

A farmer moves his cows into a concrete shelter for protection.

There is little access for fresh air once the door is closed.

Which gases would increase in amount in the shelter?

a)

carbon dioxide and carbon monoxide

b)

carbon monoxide and oxygen

c)

carbon dioxide and methane

d)

methane and oxygen

10.

The pollutants released into the air from car exhausts and some power stations include oxides of the type XO and YO₂.

What are X and Y?

a)

X = carbon only

Y = nitrogen only

b)

X = carbon only

Y = nitrogen and sulphur only

c)

X = carbon and nitrogen

Y = carbon and nitrogen only

d)

X = carbon and nitrogen

Y = carbon, nitrogen and sulphur

11.

The diagram shows four uses of iron.

In which of these uses is the iron most likely to rust?

a)

iron bucket electroplated with zinc

b)

iron cored aluminium electricity cables

c)

iron hinges on a gate

d)

painted iron fence

12.

Gas X is a waste gas from digestion in animals.

Gas Y is formed when gas X is burnt with a small amount of oxygen.

Gas Z is formed when gas X is burnt with an excess of oxygen.

What are X, Y and Z?

a)

X = carbon dioxide

Y = methane

Z = carbon monoxide

b)

X = carbon monoxide

Y = methane

Z = carbon dioxide

c)

X = methane

Y = carbon dioxide

Z = carbon monoxide

d)

X = methane

Y = carbon monoxide

Z = carbon dioxide

13.

The list shows four methods that were suggested for the formation of carbon dioxide.

1 action of an alkali on a carbonate

2 action of heat on a carbonate

3 complete combustion of methane

4 reaction of a carbonate with oxygen

Which methods would result in the production of carbon dioxide?

a)

1 and 2

b)

1 and 4

c)

2 and 3

d)

2 and 4

14.

Greenhouse gases may contribute to climate change.

Two of these gases are emitted into the atmosphere as a result of processes within animals.

Gas ……1…… is produced by process ……3…… .

Gas ……2…… is produced by process ……4…… .

Which words correctly complete gaps 1, 2, 3 and 4?

a)

1 CO

2 C₂H₆

3 digestion

4 respiration

b)

1 CO

2 C₂H₆

3 respiration

4 digestion

c)

1 CO₂

2 CH₄

3 digestion

4 respiration

d)

1 CO₂

2 CH₄

3 respiration

4 digestion

15.

Fertilisers are mixtures of different compounds used to increase the growth of crops.

Which pair of substances contains the three essential elements for plant growth?

a)

ammonium nitrate and calcium phosphate

b)

ammonium nitrate and potassium chloride

c)

ammonium phosphate and potassium chloride

d)

potassium nitrate and calcium carbonate

16.

In which reaction is the colour change from blue to white?

a)

heating hydrated cobalt(II) chloride

b)

heating hydrated copper(II) sulfate

c)

adding water to anhydrous cobalt(II) chloride

d)

adding water to anhydrous copper(II) sulfate

17.

The diagram shows stages in producing drinking water.

In which tank is chlorine added to the water?

a)

Tank A

b)

Tank B

c)

Tank C

d)

Tank D

18.

Sulphuric acid is produced by the Contact process. The steps of the Contact process are shown.

Describe the optimum reaction conditions (T, P, C) required in step 2.

(a)

19.

Dilute sulphuric acid is a typical acid.

A student adds excess dilute sulphuric acid to a sample of solid copper(II) carbonate in a test-tube.

Write the word equation for the reaction.

(a)

20.

Concentrated sulphuric acid has different properties to dilute sulphuric acid.

When concentrated sulfuric acid is added to glucose, C₆H₁₂O₆, steam is given off and a black solid is formed.

Name the black solid formed and the type of reaction.

(a)

21.

How many protons does this isotope of titanium have?

a)

70

b)

26

c)

22

d)

48

22.

The element copper has naturally occurring isotopes with mass numbers of 62.93 and 64.93.

The relative abundance and atomic masses are 69.2% for mass = 62.93 amu, and 30.8% for mass = 64.93 amu.

Calculate the average atomic mass of copper.

a)

63.5 amu

b)

62.93 amu

c)

64.93 amu

d)

63.93 amu

23.

State the number of protons, neutrons, and electrons in this pair of isotopes.

Ca–44 and Ca–42

Write the numbers only.

(a)

24.

The particles with no charge in an atom are the _____.

a)

neutron

b)

electron

c)

proton

d)

protons and neutrons

25.

Group 1 metals readily form _____ with water.

a)

metal oxide

b)

metal chloride

c)

metal hydroxide

d)

metal sulphide

26.

Complete this reaction:

calcium carbonate + hydrochloric acid = A + B + C

(a)

27.

Li, Na and k are in the same group in the periodic table because they have the same ..................

a)

Atomic radius

b)

Electronic configuration

c)

Ionization energy

d)

Number of valence electrons

28.

What is the maximum number of electrons that can be accommodated in the d-orbital of an atom?

a)

2

b)

6

c)

8

d)

10

29.

Which one of the following characteristics is not correct for all of the members of the same homologous series?

a)

Same general formula

b)

Similar chemical properties, i.e. undergo the same reactions

c)

Varying physical properties, i.e. change in a predictable way

d)

Different functional group

30.

Which type of bonding is present within organic molecules?

a)

Ionic bond

b)

Covalent bond

c)

Metallic bond

d)

Hydrogen bond

31.

Name this carboxylic acid

a)

Ethanoic acid

b)

Propanoic acid

c)

Butyl butanoate

d)

Butanoic acid

32.

What does “==” represent in Python programming?

a)

less than

b)

equal to

c)

greater than

d)

not equal to

33.

Choose the correct Python code.
if age is less than 20 then

a)

if age > 20:

b)

if age < 20:

34.

What symbol must you place at the end of an if statement?

a)

)

b)

:

c)

;

d)

}

35.

What is an indentation in Python?

a)

A line of code that returns a value

b)

A subroutine

c)

A block of code that creates a variable

d)

A code block (body of a function, loop etc.) starts with indentation and ends with the first unintended line.

36.

1==0

a)

True

b)

False

37.

what does != mean

a)

not

b)

swap value

c)

not equal

d)

equal

38.

A line of text that Python won't try to run as code

a)

comment

b)

modulus

c)

variable

d)

boolean

39.

The theory of evolution by natural selection was independently developed by *

a)

Sherlock Holmes and Doctor Watson

b)

Charles Darwin and James Watson

c)

Charles Darwin and Alfred Wallace

d)

James Watson and Francis Crick

40.

Darwin's theory of evolution states that species evolve by

a)

natural selection

b)

choice

c)

unnatural selection

d)

artificial selection

41.

Natural selection results in

a)

extinction due to artificial selection

b)

evolution due to natural selection

c)

extinction due to natural selection

d)

evolution due to survival of the fittest

42.

The process by which changes in organisms happen over many, many generations is known as *

a)

variation

b)

survival

c)

evolution

d)

revolution

43.

The best-adapted organisms are more likely to survive and breed. This is called *

a)

Mutation

b)

Natural Selction

c)

Selective breeding

d)

Evolution

44.

What is likely to happen to a species that is poorly suited to its environment? *

a)

it will not survive

b)

it will survive and have lots of offspring

45.

If an organism can't adapt fast enough, this might happen.

a)

hibernate

b)

stay the same

c)

live longer

d)

become extinct

46.

What is the advantage of having different shaped beaks?

a)

To look different from other species.

b)

To be able to eat the food readily available in the environment.

c)

To protect itself against predators.

d)

To protect itself against prey.

47.

Why is the mouse population changing over time?

a)

The light mice can reproduce more successfully than the dark mice

b)

The hawks eat more dark mice than light mice because the dark mice taste better

c)

The hawks eat more light mice than dark mice because they can see the light mice more easily

d)

The hawks eat more dark mice than light mice because they can see the dark mice more easily

48.

Adaptation is

a)

the process that makes an organism look better

b)

the process in which weak organisms are killed off

c)

the process in which an organism becomes better adapted to its environment

d)

the process in which oxygen is transformed into glucose

49.

Which of the following statements best describes what will most likely occur to the moth populations in the image below?

a)

The light moths will be captured by predators more easily than the dark moths, and the population of dark moths will rise.

b)

The light moths will be captured by predators more easily than the dark moths, and the population of light moths will rise.

c)

The dark moths will be captured by predators more easily than the light moths, and the dark moths will probably go extinct.

d)

The light moths will change their wing color to match that of the dark moths.

50.

What will the code do?

a)

nothing

b)

display Hello Bob

c)

display I don't know you

d)

display Hello

51.

What will the code do?

a)

nothing

b)

display Hello Bob

c)

display I don't know you

d)

display Hello

52.

What will happen when this program is run?

a)

Syntax error

b)

One will be displayed

c)

Zero will be displayed

d)

One then Zero will be displayed

53.

Solve this equation.
|-6x| = 30

a)

x = -5

b)

No solution

c)

x = 5, -5

d)

x = 5

54.

|x+7|=12

a)

x = -5, x = 19

b)

x = 5, x = -19

c)

x = 5, x = -5

d)

x = 12, x = -7

55.

|x-3|=40

a)

x = 43, x = -37

b)

x = 43, x = -43

c)

x = -43, x = 37

d)

x = 43

56.

Solve for x
l 5x l = 40

a)

x = 8 and x =-8

b)

x = 35 and x = -35

c)

Only x = 8

d)

No Solution

57.

A researcher randomly assigned students to two groups. One group was assigned to watch a violent television program while the other group watched a nonviolent program. The student's behavior was then recorded for incidences of aggressive behavior. Which research method is most appropriate?

a)

experimental

b)

census

c)

sample survey

d)

observational study

58.

It is given that PQ² = k, where k is a constant. Which of the following statements is true?

a)

P varies directly as the square of Q.

b)

P varies directly as the square root of Q.

c)

P varies inversely as the square of Q.

d)

P varies inversely as the square root of Q.

59.

The table shows some values of the variables p, q and r such that p varies directly as the square of q and inversely as r.

Calculate the value of d.

a)

19

b)

74

c)

84

d)

108

60.

It is given that

$a\propto\frac{b^m}{c^n}$
and a varies directly as the cube of b and inversely as the square root of c. State the value of m and of n.

a)

m=3, n=2

b)

m=3, $n=\frac{1}{2}$

c)

m=-3, n=2

d)

m=3, $n=-\frac{1}{2}$

61.

Given

$P\propto\frac{R}{S^2}$

and P = 5 when R = 10 and
S = 3，calculate the value of P when R= 16 and S = 6.

a)

$\frac{1}{5}$

b)

$\frac{1}{2}$

c)

2

d)

5

62.

Q.5: 20+(90÷2) is equal to:

a)

50

b)

55

c)

65

d)

60

63.

The solution of the equation X + 3 = -1 is

a)

-2

b)

4

c)

2

d)

-4

64.

2X + 4 = 6X

a)

True

b)

False

65.

1. Simplify $\frac{\sqrt[]{5}+\ 3}{\sqrt[]{5}-\ 2}$ . Give the answer in the form $a\ +\ b\ \sqrt[]{c}$ where a, b and c are integers.

a)

$11+5\ \sqrt[]{2}\$

b)

$11\ +5\ \sqrt[]{5}$

c)

$10+5\ \sqrt[]{5}$

d)

$11-5\ \sqrt[]{5}$

66.

Two types of flour, X and Y, cost Ksh 60 and Ksh 72 per kilogram respectively.

The two types are mixed such that the cost of a kilogram of the mixture is Ksh 70. Calculate the ratio X:Y of the mixture.

a)

1:5

b)

2:3

c)

5:1

d)

1:3

67.

A quantity P varies inversely as the square of another quantity L.

When P = 0.625, L = 4. Determine P when L = 0.2.

a)

10

b)

25

c)

150

d)

250

68.

An arc of a circle subtends an angle of 150° at the circumference of the circle.

Calculate the angle subtended by the same arc at the Centre of the circle.

a)

300⁰

b)

105⁰

c)

110⁰

d)

200⁰

69.

Solve the equations:

x + 3y = 13

x² + 3y² = 43

a)

y = 4, x = 3

b)

y = 3, x = 4

c)

y = 3, x = 2.5

d)

y = 3.5, x = 4

70.

A bag contains 6 red counters and 4 blue counters.

Two counters are picked from the bag at random, without replacement. Find the probability that the two counters picked are of the same colour.

a)

$\frac{1}{3}$

b)

$\frac{2}{15}$

c)

$\frac{7}{15}$

d)

$\frac{3}{5}$

71.

OAB is a Sector Of a circle of radius r cm. Angle AOB = 60°.

Find, in its simplest form, an expression in terms of r and $\pi$ for the perimeter of the sector.

a)

$2r+\frac{1}{6}\pi r$

b)

$r+\frac{1}{3}\pi r$

c)

$6r+\pi r$

d)

$2r+\frac{1}{3}\pi r$

72.

Solve for x in log(7x - 3) + 2 log 5 = 2 + log(x + 3)

a)

15

b)

6

c)

5

d)

12

73.

An empty tank of capacity 18480 litres is to be filled with water using a cylindrical pipe of diameter 0.028m. The rate of flow of water from the pipe is 2 m/s. Find the time in hours and minutes it would take to fill up the tank. $\left(Take\ \pi\ =\frac{22}{7}\right)$

a)

4 hours 10 minutes

b)

1 hour 3 minutes

c)

4 hours 20 minutes

d)

2 hours 30 minutes

74.

The expression ax² - 30x + 9 is a perfect square, where a is a constant. Find the value of a.

a)

20

b)

25

c)

6

d)

18

75.

Make T the subject of $s\ =\sqrt[]{\frac{3d\left(t-d\right)}{8}}$

a)

$t\ =\frac{8s^2\ +3d^2}{3d}$

b)

$t\ =\frac{8s^2\ -3d^2}{3d}$

c)

$t\ =\frac{8s^2\ +3d^{ }}{3}$

d)

$t\ =\frac{8s^2\ -3d^{ }}{3}$

76.

The roots of a quadratic equation are x = -3/5 and x = 1. Form the quadratic equation in the form ax² + bx + c = 0 where a, b and c are integers.

a)

5x² - 7x - 3 = 0

b)

5x² + 2x - 3 = 0

c)

5x² - 2x - 3 = 0

d)

5x² + 7x - 3 = 0

77.

A tailor intended to subdivide a piece of cloth into 7 equal parts. She approximated 7 m to 0.14 m. Calculate the percentage error in the approximation.

a)

2%

b)

1.9%

c)

2.5%

d)

3%

78.

A miller was contracted to make porridge flour to support a feeding program. He mixed millet, sorghum, maize and Omena in the ration 1:2:5:1. The cost per kilogram of millet was Ksh 90, sorghum Ksh 120, maize Ksh 30 and omena Ksh 150.

Calculate the selling price of 1 kg of the mixture if the miller made a 30% profit.

a)

Sh. 70

b)

Sh. 91

c)

Sh. 160

d)

Sh. 120

79.

The 5^th term of an AP is 82 and the 12^th term is 103.

Find, the first term and the common difference

a)

a = 3, d = 7

b)

a = 70, d = -3

c)

a = 70, d = 3

d)

a = 3, d = 15

80.

The length of a room is 3 m shorter than three times its width. The height of the room is a quarter of its length. The area of the floor is 60 m².

(a) Calculate the dimensions of the room.

a)

Width = 3

Length = 12

Height = 5

b)

Width = 7

Length = 12

Height = 3

c)

Width = 5

Length = 12

Height = 3

d)

Width = 5

Length = 12

Height = 6

81.

The length of a room is 3 m shorter than three times its width. The height of the room is a quarter of its length. The area of the floor is 60 m².

(b) The floor of the room was tiled leaving a border of width y m, all round. If the area of the border was 1.69m', find the width of the border;

a)

8.45m

b)

4m

c)

1.69m

d)

0.05m

82.

What kind of quizzes would you like to engage with going forward

a)

Topical

b)

A mixture from various topics

c)

Don't know

d)

None

83.

a)

b)

c)

d)

84.

a)

$2x+26$

b)

$2x+14$

c)

$2x+17$

d)

$x+17$

85.

a)

$x=1.758\ ,\ \ x=-0.758$

b)

$x=1.76\ ,\ \ x=-0.758$

c)

$x=4.23\ ,\ \ x=1.74$

d)

$x=0.758\ ,\ \ x=-1.76$

86.

(a)

87.

a)

$x^2-3x+2=0$

b)

$3x^2-3x-2=0$

c)

$x^2-3x-2=0$

d)

$x^2+3x-2=0$

88.

a)

$k<5$

b)

$k>5$

c)

$k<-5$

d)

$k>-5$

89.

Order of the differential equation

\left(\frac{\text{d}y}{\text{d}x}\right)^4\ +\ 3x\ \frac{d^2y}{\text{d}x^2}\ =\ 0

a)

1

b)

2

c)

3

d)

4

90.

Write the degree of the differential equation

x\left(\frac{\text{d}^2y}{\text{d}x^2}\right)^3\ +\ y\left(\frac{\text{d}y}{\text{d}x}\right)^4\ +x\ ^3\ =\ 0

a)

1

b)

2

c)

3

d)

4

91.

The number of arbitrary constants in the general solution of a differential equation of third order are

a)

0

b)

2

c)

3

d)

4

92.

The number of arbitrary constants in the particular solution of a differential equation of fourth order are

a)

3

b)

2

c)

1

d)

0

93.

Order of differential equation corresponding to family of curves y =

Ae^{2x}\ +\ Be^{-2x}\ is

a)

4

b)

3

c)

2

d)

1

94.

The degree of differential equation

\frac{\text{d}y}{\text{d}x}\ +\ \sin\left(\frac{\text{d}y}{\text{d}x}\right)\ =\ 0

a)

1

b)

2

c)

not defined

d)

0

95.

The order and degree of differential equation $y\ =\ \frac{\text{d}y}{\text{d}x}\ +\sqrt{1\ +\left(\frac{\text{d}y}{\text{d}x}\right)^4}$

a)

4,1

b)

2,4

c)

1,4

d)

4,2

96.

$\left(\frac{\text{d}^3y}{\text{d}x^3}\right)^{\frac{4}{3}}\ =\ x$

The order and degree of the above differential equation are

a)

3,1

b)

3,4

c)

1,3

d)

4,3

97.

$1\ +\ \left(\frac{\text{d}y}{\text{d}x}\right)^4\ =\ 7\left(\frac{\text{d}^2y}{\text{d}x^2}\right)^3$

Sum of the order and degree of the above differential equation is

a)

5

b)

4

c)

6

d)

10

98.

Order and degree of differential equations can be any real number

a)

True

b)

False

99.

a)

b)

c)

d)

100.

a)

5

b)

3

c)

-3

d)

-5

101.

a)

A

b)

B

c)

C

d)

D

102.

a)

( 1 , 7 )

b)

( 7 , 1 )

c)

( -1 , 7 )

d)

( -7 , 1 )

103.

a)

1

b)

2

c)

4

d)

8

104.

a)

b)

c)

d)

105.

a)

8

b)

6

c)

5

d)

4

106.

a)

15

b)

21

c)

33

d)

37

107.

a)

b)

c)

d)

108.

a)

b)

c)

d)

109.

a)

2

b)

3

c)

6

d)

17

110.

$If\ set\ C\ is\ an\ empty\ set,\ then\ set\ C\ has\ no\ element.$ Write the consequent of the statement.

a)

Set C has no element.

b)

Set C is an empty set.

111.

$Given\ \ \ 30+\ 40\ \ge90\ \ \ \ \ or\ \ \ \ 30\ \div\ 15\ \ge1.$

Determine the truth value of the compound statements.

a)

True

b)

False

112.

" 5 is a factor of 24" .

State whether the above sentence is a statement or not.

a)

Statement

b)

Not a statement

113.

Premis 1 : __________________

Premis 2 : Solid A is a cube.

Conclusion : Solid A has 6 surfaces.

Complete the argument.

a)

If solid A is a cube then solid A has 6 surfaces.

b)

Cube has 6 surfaces.

c)

All solids has 6 surfaces

114.

State the truth value of the statements. " The sum of two positive number is a positive value and even number".

a)

True

b)

False

115.

$f\left(x\right)\ =\ ax^2+bx\ +\ c.\$

Form a deductive conclusion for the quadratic function where a = -1, b= 2, c=3.

a)

$f\left(x\right)\ =\ -x^2+2x+3$

b)

$f\left(x\right)\ =\left(x+1\right)\left(-x+3\right)$

c)

x = -1 or x = 3

116.

a)

$x\ +\ y\ \le\ 7$

b)

$x\ +\ y\ \ge\ 7$

c)

$x\ -\ y\ \le\ 7$

d)

$x\ -\ y\ \ge\ 7$

117.

a)

b)

c)

d)

118.

Write the inverse.

a)

b)

c)

119.

a)

055^o

b)

065^o

c)

235^o

d)

305^o

120.

a)

030^o

b)

070^o

c)

130^o

d)

170^o

121.

a)

050^o

b)

110^o

c)

250^o

d)

330^o

122.

a)

084^o

b)

132^o

c)

212^o

d)

312^o

123.

a)

b)

c)

d)

124.

a)

191^o

b)

254^o

c)

275^o

d)

279^o

125.

a)

033^o

b)

057^o

c)

063^o

d)

077^o

126.

a)

059^o

b)

060^o

c)

061^o

d)

179^o

127.

a)

130^o

b)

133^o

c)

147^o

d)

247^o

128.

a)

290^o

b)

300^o

c)

310^o

d)

330^o

129.

a)

029^o

b)

061^o

c)

209^o

d)

241^o

130.

a)

070^o

b)

075^o

c)

105^o

d)

110^o

131.

a)

42^o

b)

48^o

c)

84^o

d)

186^o

132.

a)

128^o

b)

138^o

c)

329^o

d)

350^o

133.

a)

060^o

b)

210^o

c)

250^o

d)

270^o

134.

An object at rest will _______ if no outside forces are applied.

a)

Stay at rest

b)

Increase Velocity

c)

Decrease Mass

135.

A greater applied force is required to move an object with a greater mass than one with a smaller mass.

a)

True

b)

False

136.

The SI units for force are...

a)

Kilograms

b)

Newtons

c)

Meters per second

d)

Pounds

137.

If a baseball and a cannonball are dropped from the same height at the same time, which ball will hit the ground first?

a)

the cannonball

b)

the baseball

c)

The balls land at the same time.

d)

the ball with the larger volume

138.

A crumpled piece of paper hits the ground before a flat sheet of paper because

a)

the acceleration of gravity is greater on the crumpled paper.

b)

there is more air resistance against the flat paper.

c)

the crumpled paper is more massive

d)

the crumpled paper is less massive.

139.

According to Newton’s first law of motion, a moving object that is not acted on by an unbalanced force will

a)

remain in motion.

b)

eventually come to a stop.

c)

change its momentum.

d)

accelerate.

140.

If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration? (F=ma)

a)

The one with a mass of .78 kg will have the greatest acceleration.

b)

The one with a mass of .52 kg will have the greatest acceleration.

c)

They will both accelerate at the same rate.

141.

Who is the scientist who came up with the Laws of Motion?

a)

Sir Isaac Newton

b)

The Greeks

c)

John Dalton

d)

Sir John Newt

142.

What law states an object at rest stays at rest unless acted upon by a net force or a moving object at a contant speed will continue to move in a straight at a constant speed?

a)

First

b)

Second

c)

Third

d)

Fourth

143.

What law describes how acceleration, mass and net force are related?

a)

First

b)

Second

c)

Third

d)

Fourth

144.

Which resistor is in series with resistor R?

a)

R₁

b)

R₂

c)

R₃

d)

R₄

145.

The two ends of a 3.0-ohm resistor are connected to a 9.0-V battery. What is the current through the resistor?

a)

27 A

b)

6.3 A

c)

3.0 A

d)

0.33 A

146.

The two ends of a 3.0-ohm resistor are connected to a 9.0-V battery. What is the total power delivered by the battery to the circuit?

a)

3.0 W

b)

27 W

c)

0.33 W

d)

0.11 W

147.

Three resistors connected in parallel have individual values of 4.0, 6.0 and 10.0 ohm, respectively. If this combination is connected in series with a 12-V battery and a 2.0-ohm resistor, what is the current in the 10-ohm resistor?

a)

0.59 A

b)

1.0 A

c)

11 A

d)

16 A

148.

The graph shows Ashley riding her bike to Maria's house.
What is occurring from point A to point B?

a)

they are traveling at a constant speed

b)

they are decreasing in speed

c)

they stopped to take a break

149.

The rate at which velocity CHANGES is:

a)

acceleration

b)

speed

c)

direction

d)

physics

150.

An object is _____ if its position changes relative to another object.

a)

in motion

b)

at reset

c)

a frame of refence

d)

magical

151.

A place or object used for comparison to determine if another object is in motion is called a

a)

comparison point

b)

reference point

c)

point of view

d)

motion detector

152.

Speed =

a)

distance / time

b)

time / distance

c)

distance * time

153.

Which runner won the race?

a)

A

b)

B

c)

C

154.

Plants use the following reactants for the light reaction

a)

Water and CO2

b)

Water and NADPH

c)

Water and NADP+

d)

NADPH and ATP

155.

Photosynthesis goal is to

a)

convert light energy into glucose energy

b)

use light energy to make oxygen gas

c)

convert sugar energy into ATP

d)

convert sugar energy into oxygen gas

156.

Rubisco is important in which step of photosynthesis

a)

energizing the electrons in chlorophyll

b)

carbon fixation when CO2 is connected to RUBP during calvin cycle

c)

regeneration phase as RUBP is made during calvin cycle

d)

reduction of the carbon chain during the calvin cycle

157.

If the proton (H+) pump in the thylakoid was not working which molecule could not be made during the light reaction?

a)

NADPH

b)

ATP

c)

Water

d)

Oxygen gas

158.

The NADP+ is

a)

oxidized during the light reaction

b)

reduced during the light reaction

c)

oxidized during the Calvin cycle

d)

reduced during the Calvin cycle

159.

Which of the following would have the least affect on photosynthetic rate?

a)

increase the temp from 20 C to 30 C

b)

increasing the CO2 from 400 ppm to 600ppm

c)

increasing the light intesity from 40 Watts to 60 Watts

d)

increasing the amount of O2 from 20% to 30% in the air

160.

Plants obtain CO2 into the chloroplast by

a)

active transport

b)

diffusion

c)

facilitated diffusion

d)

endocytosis

161.

Photosystems are made of

a)

chloroplasts

b)

chromosomes

c)

chlorophyll

d)

cytoplasm

162.

ATP is made during the light reaction using all of the following EXCEPT

a)

proton pump

b)

hydrogen ion gradient

c)

electron energy from photosystem II

d)

NADPH donating electrons

163.

What is FALSE about the calvin cycle

a)

uses the light reactions products

b)

produces a three carbon sugar (G3P)

c)

produces carbon dioxide

d)

produces NADP+

164.

During noncyclic photophosphorylation all of the following occur EXCEPT

a)

ATP is made using electron energy that will leave on NADPH

b)

results in oxygen gas being produced

c)

water is split (photolysis)

d)

electrons from photosystem 1 return back to photosystem 1

165.

Photorespiration involves

a)

the production of oxygen gas during the break down of sugar

b)

the breakdown of sugar when CO2 levels are low.

c)

the production of massive amounts of ATP in the thylakoid

d)

water being pulled out of the plant

166.

Why does photorespiration occur?

a)

stomata are closed and CO2 levels are too low.

b)

stomata are closed and O2 levels are too low.

c)

stomata are open and too much water is leaving the plant

d)

stomata are open and the plant receives too much CO2

167.

What does a C4 plant do?

a)

stores CO2 in a separate cell from its photosynthetic cell during the day

b)

stores CO2 in a vacuole during the night.

c)

can't store CO2 so it sufferes photorespiration

d)

can't store CO2 so it speeds up cellular respiration in order to make more CO2

168.

Plants that store CO2 at night as an acid in a vacuole are called

a)

C3 plants

b)

C4 plants

c)

CAM plants

169.

Which plant LACKS CO2 storage method

a)

C3

b)

C4

c)

CAM

170.

What happens to the oxygen levels if a plant were left in the dark over night?

a)

go up due to photosynthesis

b)

go down due to cell respiration

c)

stay the same since stomata are closed

171.

Which plant would have the most oxygen produced in 1 hour?

a)

plant given red light only

b)

plant given blue light only

c)

plant given white light

d)

plant given green light only

172.

An increase in CO2 in the air would most likely

a)

increase photosynthesis

b)

increase cell respiration

c)

increase photorespiration

d)

increase transpiration

173.

The calvin cycle requires what substances from the light reaction?

a)

CO2 and Water

b)

light and CO2

c)

ATP and NADPH

d)

glucose and O2

174.

Why does the light reaction perform cyclic photophosphorylation? (where ATP is made with electrons that return to where they started)

a)

because the stomata are closed and CO2 levels are low

b)

because the Calvin cycle runs out of ATP

c)

because the Calvin cycle runs out of NADPH

d)

because there is no water to donate electrons to those that are leaving for the Calvin cycle

175.

Which type of cell?

a)

Prokaryote

b)

Eukaryote

176.

Which type of cell?

a)

Prokaryote

b)

Eukaryote

c)

Mixed

177.

Eukarytoes have Many membrane-bound organelles? True or False

a)

True

b)

False

178.

The group made up of alcohols and acids

a)

esters

b)

carbocilic acids

c)

ethers

d)

alkynes

179.

Macromolecule that is made up of repeated structure called monomers

a)

protein

b)

amino acids

c)

polymer

180.

organic polymer can be divided into

a)

synthetic organic polymer

b)

natural organic polymer

c)

all of the above

181.

A reaction between chlorine and propane in UV light produces 2 isomeric monochloropropanes, C₃H₇Cl, as products. Which information about this reaction is correct ?

a)

A

b)

B

c)

C

d)

D

182.

Which molecules would be present in the mixture produced by the photochemical chlorination of methane ?

1) Hydrogen

2) Hydrogen Chloride

3) dichloromethane

a)

A

b)

B

c)

C

d)

D

183.

During the bromination of methane, the free radical CH₃⁰ is generated. A possible terminating step of this reaction is the formation of C₂H₆by the combination of 2 free radicals. What could be produced in a terminating step during the bromination of propane

a)

b)

c)

184.

a)

A

b)

B

c)

C

d)

D

185.

Which pair of homologous series have the same C:H ratio in their general formula

1) Aldehydes and Ketones

2) Carboxylic acids and esters

3) Alkenes and Ketones

a)

A

b)

B

c)

C

d)

D

186.

a)

A

b)

B

c)

C

d)

D

187.

a)

A

b)

B

c)

C

d)

D

188.

Depressing agents used to separate ZnS from PbS is ……………

a)

(a) NaCN

b)

(b) NaCl

c)

(c) NaNO₃

d)

(d) NaNO₂

189.

The ore which contains both copper and iron ……………

a)

(a) Cuprite

b)

(b) Haematite

c)

(c) Copper pyrite

d)

(d) Malachite

190.

Heating mixture of Cu₂O and Cu₂S will give ……………

a)

(a) Cu + SO₂

b)

(b) Cu + SO₃

c)

(c) CuO + CuS

d)

(d) Cu₂SO₃

191.

Which of the following is used for concentrating ore in metallurgy?

a)

(a) Leaching

b)

(b) Roasting

c)

(c) Froth floatation

d)

(d) Both (a) and (c)

192.

Which of the metal is extracted by Hall-Herold process?

a)

(a) Al

b)

(b) Ni

c)

(c) Cu

d)

(d) Zn

193.

Bauxite has the composition ………………

a)

(a) Al₂O₃

b)

(b) Al₂O₃.nH₂O

c)

(c) Fe₂O₃.2H₂O

d)

(d) None of these

194.

Which of the following statement is not true about the network device Switch?

a)

It is a network device which is used to interconnect computers or devices on a network

b)

It broadcast the signal to every node

c)

It is faster and more efficient

d)

It transmit data/signals to specified node only.

195.

What is the network device that amplifies and restores signals for long distance transmission.

a)

Bridge

b)

Switch

c)

Router

d)

Repeater

196.

Function of Modem is _____________

a)

to converts analog signal into the analog signal and digital signal to digital signal

b)

to converts analog signal into the digital signal

c)

digital signal to analog signal

d)

to converts analog signal into the digital signal and digital signal to analog signal

197.

A Computer, specially reserved for the Server purpose

a)

Dedicated Server

b)

File server

c)

Non dedicated Server

d)

Printer server

198.

What is Pastoral Nomadism?

a)

Door to door evangelist

b)

Living in a pasture

c)

A form of agriculture based on herding domesticated animals

d)

A cool new coffee shop

199.

The use of inorganic / synthetic fertilizers causes environmental problems because they

a)

have variable compositions

b)

are highly soluble

c)

are slower acting and longer lasting

d)

do not add humus to the soil

200.

Which of the following is NOT an advantage of aquaculture?

a)

It is a reliable source of fish for market and consumption

b)

There is a decrease in the effort to catch fish for the wild

c)

There is a reduction of pressure for fish from natural sources.

d)

It may allow the introduction of exotic species into the new environment

201.

a)

1

b)

2

c)

3

d)

4

202.

a)

1

b)

2

c)

3

d)

4

203.

a)

1

b)

2

c)

3

d)

4

204.

a)

1

b)

2

c)

3

d)

4

205.

a)

1

b)

2

c)

3

d)

4

206.

a)

1

b)

2

c)

3

d)

4

207.

a)

1

b)

2

c)

3

d)

4

208.

a)

1

b)

2

c)

3

d)

4

209.

a)

1

b)

2

c)

3

d)

4

210.

a)

1

b)

2

c)

3

d)

4

211.

a)

1

b)

2

c)

3

d)

4

212.

a)

1

b)

2

c)

3

d)

4

213.

a)

1

b)

2

c)

3

d)

4

214.

a)

1

b)

2

c)

3

d)

4

215.

a)

1

b)

2

c)

3

d)

4

216.

a)

1

b)

2

c)

3

d)

4

217.

a)

1

b)

2

c)

3

d)

4

218.

The p-n junction which generates an emf when solar radiation falls on it, with no external bias applied, is a

a)

Light Emitting diode

b)

Photodiode

c)

Solar cell

d)

Zener Diode

219.

Characteristics of a diode that helps in rectification

a)

Allows Unidirectional flow of current

b)

Allows Bidirectional flow of current

c)

Opposes the flow of current

d)

conducts in reverse biased

220.

The region on either side of the junction which becomes free from the mobile charge carriers is called

a)

Energy gap region

b)

Diffusion region

c)

Depletion region

d)

Charge free region

221.

Which country is this delicacy from?

a)

France

b)

Portugal

c)

Taiwan

d)

Mexico

222.

Where is this delicacy from?

a)

Korea

b)

China

c)

Japan

d)

England

223.

When something doesn't happen very often, it happens once in a _______ moon

a)

Distant

b)

New

c)

Blue

d)

Clear

224.

What colour are the stars on the USA flag?

a)

Blue

b)

White

c)

Red

d)

Green

225.

What is the name of this animal?

a)

Snow Cat

b)

Slow Tiger

c)

Snow Leopard

d)

Snow Panther

226.

Gulabo, which recently passed away at the Van Vihar National Park and Zoo, Bhopal was a _____

a)

Sloth Bear

b)

Bengal Tiger

c)

One-horned Rhino

d)

Giant Tortoise

227.

UNESCO agreed to publish descriptions of India's UNESCO World Heritage Sites on its website in which language?

a)

Telugu

b)

Sanskrit

c)

Hindi

d)

Tamil

228.

Wolf Volcano, which was seen in the news, is the highest peak in which island group?

a)

Hawaiian Islands

b)

Galápagos Islands

c)

Mariana Islands

d)

Caroline Islands

229.

Identify the brand that uses this logo

a)

Bingo

b)

Pringles

c)

Kurkure

d)

Lays

230.

Identify the brand that uses this logo

a)

Rupay

b)

Master Card

c)

Visa

d)

Credit Card

231.

When was the union budget of 2020-21 presented in the parliament?

a)

March 5, 2020

b)

Feb 1, 2020

c)

Feb 29, 2020

232.

What is the full form of GDP?

a)

Grand Development Project

b)

General Discuss Process

c)

Gross Domestic Product

233.

Amount allotted for Healthcare sector?

a)

69000 crore

b)

60000 crore

c)

25000 crore

234.

What does union budget aim?

a)

Digital Governance

b)

Wealth Creation

c)

National infrastructure pipline

235.

The size of the smallest gold coin?

a)

2.96mm

b)

5mm

c)

10mm

236.

Who emerged the world's most powerful passport?

a)

Malaysia

b)

India

c)

Japan

237.

Who was awarded player of the year 2019?

a)

Lionel Messi

b)

Ben Stokes

c)

Ravindra Jadeja

238.

Who was awarded the international children's peace prize 2019

a)

Divina Maloum

b)

Malala Yousafzai

c)

Greta thunberg

239.

Who won spirit of the Cricket Award?

a)

Sachin Tendulkar

b)

Mahendra Singh Dhoni

c)

Virat Kohli

240.

Full form of ICC?

a)

Indian Cricket Council

b)

Indian cricket club

c)

none of these

241.

All of the following are quarks except

a)

strange

b)

bottom

c)

charmed

d)

fundamental

242.

These are light, elementary particles that are not made up of quarks.

a)

Gluons

b)

Electrons

c)

Leptons

d)

Baryon

243.

These are the category of hadrons that contain three quarks. This distinguishes them from mesons, which contain two (1 quark and 1 antiquark).

a)

Gluons

b)

Electrons

c)

Leptons

d)

Baryons

244.

There are three families of leptons;

a)

electron, muon, and pi.

b)

electron, muon, and tau.

c)

electron, pi and tau.

d)

electron, pi and neutrino.

245.

Which statement describes β^- decay in terms of a simple quark model?

a)

A down quark changes to an up quark and emits an electron and an electron antineutrino.

b)

A down quark changes to an up quark and emits a positron and an electron neutrino.

c)

An up quark changes to a down quark and emits an electron and an electron antineutrino.

d)

An up quark changes to a down quark and emits a positron and an electron neutrino.

246.

What is a proton?

a)

hadron

b)

a particle consisting of two down quarks and one up quark

c)

a positive fundamental particle

d)

a positive lepton

247.

Which row gives the correct classification of protons, electrons, and neutrinos?

a)

A

b)

B

c)

C

d)

D

248.

Which scientist first came up with the idea of stimulated emission.

a)

John Dalton

b)

Alexander Gram Bells

c)

Isaac Newton

d)

Albert Einstein

249.

what is one way to describe a photon

a)

Solid as rock

b)

As a wave packet

c)

Cularofo

250.

Laser is applied in industries in

(a)

EMINENCE COLLEGE ADEWALE SELECTION TEST 2

Total questions: 250

Worksheet time: 4hrs 10mins

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