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PAL DIAGNOSTIC TEST ( SCIENCE )

Total questions: 45

Worksheet time: 1hrs 15mins

Name
Class
Date
1.
What do carbohydrates provide for the body?
a)
Helps build and repair body tissue
b)
Helps hydrate your body
c)
Provides your body's main source of energy
d)
Helps vital processes 
2.
The phase in mitosis where chromosomes move away and are pulled apart by spindles to opposite sides of the cell.
a)
prophase
b)
anaphase
c)
metaphase
d)
telephase
3.
The phase in mitosis where chromosomes move away and are pulled apart by spindles to opposite sides of the cell.
a)
prophase
b)
anaphase
c)
metaphase
d)
telephase
4.
Which event takes place during Anaphase II
a)
nuclear membrane breaks down
b)
spindle fibers disassemble 
c)
sister chromatids separate
d)
cytoplasm divides
5.
In Mendel's monohybrid cross of a purebred white-flowered plant and a purebred purple-flowered plant, the F1 generation
a)
showed only the dominant trait
b)
showed only the recessive trait
c)
did not receive any recessive alleles
d)
remained purebred
6.
Traits that are expressed by more than one allele
a)
multiple alleles
b)
polygenic inheritance
c)
codominance
d)
incomplete dominant
7.
If an offspring looks like each parent, what kind of reproduction process was undergone?
a)
Asexual
b)
Sexual
c)
Budding
d)
Fussion
8.
The organelle that provides energy for the cell in the form of ATP is called...
a)
Cell Membrane
b)
Cell Wall
c)
Mitochondria
d)
Nucleus
9.
Where are proteins made?
a)
Golgi body
b)
Mitoichondrion
c)
Chromosomes
d)
Ribosomes
10.

Which sequence of DNA bases would pair with this partial strand

ATG TGA CAG

a)

ATG TGA CAG

b)

TAC ACT GTC

c)

GTA AGT GAC

d)

CAT TCA CTG

11.
Cells can be separated into two main categories, eukaryotic and prokaryotic, based on their
a)
type of DNA
b)
cell membranes
c)
enzymes 
d)
internal structures 
12.
Which of the following types of cells does meiosis produce?
a)
diploid cells
b)
haploid cells
c)
identical cells
d)
body cells
13.

Which one of the following carries blood away from the heart?

a)

Aorta

b)

Capillary

c)

Vena Cava

d)

Pulmonary vein

14.

A rich blood from the lungs returns to which chamber of the heart?

a)

Right atrium

b)

Right ventricle

c)

Left atrium

d)

Left ventricle

15.
DNA is contained in a different way in prokaryotic cells than it is in eukaryotic cells because
a)
prokaryotes are single-celled organisms 
b)
only eukaryotic cells have a cell membrane 
c)
DNA is found only in eukaryotic cells 
d)
prokaryotic cells lack a nucleus 
16.

The elements in Group 17 are known as

a)

transition metals

b)

halogens

c)

alkaline earth metals

d)

noble gases

17.

What is the charge on the monatomic ion that calcium forms in its compounds?

a)

+2

b)

+1

c)

-1

d)

-2

18.

Which of these compounds is an acidic oxide?

a)

P4O10

b)

Fe2O3

c)

K2O

d)

Cr2O3

19.

Which of these elements exhibits chemical behavior similar to that of potassium?

a)

magnesium

b)

sodium

c)

beryllium

d)

iron

20.

Which one of these elements is a transition element?

a)

Nickel

b)

Tin

c)

Sodium

d)

Sulfur

21.

Which of these compounds is most likely to be ionic?

a)

NCl3

b)

BaCl2

c)

SO2

d)

SF4

22.

Which of these compounds is most likely to be covalent?

a)

KF

b)

CaCl2

c)

SF4

d)

Al2O3

23.

How many covalent bonds will a nitrogen atom usually form?

a)

1

b)

2

c)

3

d)

5

24.

What type of chemical bond holds the atoms together within a water molecule?

a)

Ionic bond

b)

Nonpolar covalent bond

c)

Polar covalent bond

d)

Coordinate covalent bond

25.

Since Magnesium is a metal, MgO is expected to be a/an _____ oxide.

a)

acidic

b)

amphoteric

c)

neutral

d)

basic

26.

A piece of wire of length 246cm is cut into 12 parts whose lengths are in arithmetic progression. Given that the sum of the lengths of four shortest parts is 34 cm, find the length of the longest part

a)

37 cm

b)

35cm

c)

38 cm

d)

31.3 cm

27.

The quadratic function f(x)= - x2 + 8x+ q2, where q is a positive constant, has a maximum value of 25. Find the value of q.

a)

9

b)

3

c)

-3

d)

-9

28.

Solve the equation

a)

-2

b)

4

c)

2

d)

5

29.

The height of a closed cylinder is two times its base – radius. Find the rate of change of the total surface area of the cylinder if its radius is increasing at the rate of 0.2 cm s-1 at the instant the radius is 8 cm.

a)

19.2 π

b)

18.2 π

c)

18.6 π

d)

19.6 π

30.

A ball is released from a certain height above the horizontal floor. It bounces and reach a height of 50 cm for the first time, 40 cm for second time, 32 cm for the third time and so on. At which bounce will the height reached be less than 4 cm for the first time

a)

16

b)

14

c)

15

d)

13

31.

Find all the angles that satisfy the equation 2 tan2 χ - sec χ + 1 = 0, for 180°≤ χ ≤ 360°

a)

260°

b)

300°

c)

0°

d)

360°

32.

Using the digits 3, 4, 5, 6 and 7, without repetitions, calculate the number of four digit odd numbers that are less than 5000 that can be form

a)

35

b)

20

c)

30

d)

25

33.

A basketball coach wants to choose 5 players from a group of 8 players. James is one of the eight players. Calculate the number of ways the coach can choose his players if James will not be chosen.

a)

21

b)

19

c)

35

d)

31

34.

Find the area of region bounded by the curve

y = x ( x + 1) ( x - 2 ) , x = -1 , x = 2

a)
b)
c)
d)
35.

A container contains 3 blue marbles and 5 red marbles. A marble is drawn at random from the bag and its colour is recorded. It is then returned to the container. After that, another marble is drawn at random from the bag and its colour is also recorded. Find the probability that both marbles are of different colours.

a)
b)
c)
d)
36.

Which of the following lists are consist ONLY base quantities?

a)

Weight, distance, heat

b)

Mass, speed, electric current

c)

Length, weight, temperature

d)

Displacement, electric current, time

37.

Which of the following prefixes are CORRECTLY arranged in descending order?

a)

giga, mega, kilo, nano

b)

kilo, nano, giga, mega

c)

kilo, mega, nano, giga

d)

nano, kilo, mega, giga

38.

Which of the following description consist of vector quantity?

a)

A lorry moves 50 km to the north

b)

The room temperature in the morning is 100 K

c)

The bus is moving with the energy 28 000 J

d)

The mass of a Physics Text Book is 69 kg

39.

Express 0.03 m2 in mm2

a)

0.03 x 10-3 mm2

b)

0.03 x 10-6 mm2

c)

0.09 x 10-3 mm2

d)

0.09 x 10-6 mm2

40.

Which of the following quantities is NOT derived from the base quantity time?

a)

Force

b)

Pressure

c)

Density

d)

Velocity

41.

Convert 110 kmh-1 to ms-1

a)

3.06 x 10-5 ms-1

b)

1.83 x 103 ms-1

c)

3.06 x 101 ms-1

d)

1.83 x 10-3 ms-1

42.

Which of the following case is NOT consider as equilibrium forces in daily life situation

a)

Picture frame hang on the wall

b)

Moving car with constant velocity

c)

A log floating on a pool of water

d)

Drop a stone from a building

43.

Which of the following is a scalar quantity

a)

Momentum

b)

Weight

c)

Impulse

d)

Energy

44.

Resolve vector F into its component :

a)

x-component : 35 cos 60o ; y component : 35 sin 60o

b)

x-component : - 35 cos 60o ; y component : 35 sin 60o

c)

x-component : 35 sin 60o ; y component : 35 cos 60o

d)

x-component : -35 sin 60o ; y component : 35 cos 60o

45.

The diagram above shows a graph of h against t2 by a formula h = 1/2gt2. The value of the gradient is equal to

a)

g

b)

1/2 g

c)

1/2 g2

d)

t2

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