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Assessment Test Science 2020 (2 A)

Total questions: 50

Worksheet time: 4hrs 10mins

Name
Class
Date
1.

Which of the following statements are true about the characteristics of brinjal plants and maize plants?


I Maize plants have leaves with network-like veins

II Brinjal plants have seed with one cotyledon

III Maize plants have fibrous root

IV Brinjal plants have woody stem

a)

I and II

b)

III and IV

c)

II and III

d)

I and IV

2.

Which of the following animals is vertebrate?

a)

Starfish

b)

Squid

c)

Snake

d)

Sea aneome

3.

Which of the following is paired correctly?

a)

Organism : Bracket Fungus

Habitat : Tree

b)

Organism : Duckweed

Habitat : Jungle

c)

Organism : Seaweed

Habitat : Tundra

d)

Organism : Polar Bear

Habitat : Desert

4.

Which of the following food is rich in carbohydrates, proteins and fat?

a)

Burger

b)

Banana

c)

Cereals

d)

Margarine

5.

Which of the following foods helps to prevent constipation?

a)

Milk

b)

Spinach

c)

Soy Bean

d)

Prawn

6.

Which of the following diseases is the effect from lacking of vitamin D in the diet?

a)

Scurvy

b)

Ricket

c)

Anaemia

d)

Kwashiorkor

7.

Table 1 shows a characteristics of two types of diseases, M and N


M - Caused by genetic, environment or lifestyle

N - Caused by pathogens


Which of the following diseases represent M and N?

a)

M - Down Syndrome

N - Goiter

b)

M - Goiter

N - SARS

c)

M - Cholera

N - Down Syndrome

d)

M - Measles

N - Cholera

8.

Which of the followings are non-specific body defence mechanism?


I First line of defence

II Second line of defence

III Third line of defence

IV Malaria Vaccine

a)

I and II

b)

II and III

c)

III and IV

d)

I and IV

9.

A child born in Malaysia will be given three doses of DTaP vaccine at 2,3 and 5 years old. Which of the following diseases cannot be prevented by this vaccine?

a)

Diphteria

b)

Tetanus

c)

Pertussis

d)

Tuberculosis

10.

"Compound R is formed from a combination of two hydrogen atoms and one oxygen atom"


Which of the followings are the characteristics of compound R?


I Its boiling point is 100oC

II It is colourless, odourless and tasteless

III It is a good electrical conductor

IV It changes blue litmus paper to red

a)

I and II

b)

III and IV

c)

II and III

d)

I and IV

11.

Which of the following shows the uses of alcohol in daily life?


I To prepare antiseptic

II To produce fertiliser

III To prepare vinegar

IV To prepare perfumes

a)

I and II

b)

III and IV

c)

II and III

d)

I and IV

12.

"Red Limus paper turns blue when it is dipped into solution H"


Which of the following is correct about solution H?


I Its pH value is 7

II Its pH value is more than 7

III It reacts with ammonium salts to release ammonia gas when heated

IV It reacts with magnesium to produce hydrogen gas

a)

I and II

b)

III and IV

c)

II and III

d)

I and IV

13.

Which of the following forms of energy involves kinetic energy?

a)

A moving car

b)

Durian on a tree

c)

A stretched rubber

d)

Burning of fuel in a car's engine

14.

Which of the following force is produced when two different surfaces rub against each other?

a)

Magnetic Force

b)

Gravitational Force

c)

Electrostatic Force

d)

Electromagnetic Force

15.

What kind of magnet has a temporary magnetic effect when the electric current is passed through it?

a)

Electromagnet

b)

Direction of magnetic field

c)

Pattern of magnetic field

d)

Electrostatic force

16.

Why does the atmospheric pressure decreases at mountainous area?


I Air particles decrease

II Air particles shrink

III Weight of particles increases

IV Collision between air particles decreases

a)

I and II

b)

III and IV

c)

II and III

d)

I and IV

17.

What factors affecting the heat content of an object?


I The mass of the object

II The material of the object

III The colour of the object

IV pH value of the object

a)

I and II

b)

III and IV

c)

II and III

d)

I and IV

18.

Which of the followings are correct about sea breeze?

a)

The ho air above the land rises

b)

The hot air from the sea flows towards the land

c)

The cool air from the land flows towards the sea

d)

The land becomes cooler than the sea

19.

Which of the following is the best heat reflector?

a)

Dark and rough surface

b)

White and shiny surface

c)

Dark and smooth surface

d)

White and rough surface

20.

How is heat transferred from a hot area to a cold area through an iron rod?

a)

Transformation

b)

Conduction

c)

Radiation

d)

Convection

21.

Which of the following statements are correct about echo?


I Produced when sound waves are reflected from a hard surface

II The amplitude of echo sound is the same as the amplitude of original sound

III The echo moves in perpendicular direction to the original sound

IV Echo is heard repeatedly in a cave

a)

I and II

b)

II and III

c)

III and IV

d)

I and IV

22.

Which technique stated below is incorrect in the use of a microscope?

a)

Place the microscope down gently

b)

clean the lenses with tissue paper

c)

always start viewing a specimen with both eyes open

d)

always view a specimen with both eyes open

23.

The smallest organism known to man is made up of..

a)

one cell

b)

two cells

c)

three cells

d)

many cells

24.
Which of the following is NOT a property of an acid?
a)
Tastes sour
b)
Corrosive
c)
Changes the colour of blue litmus paper to red
d)
Has a pH value higher than 7
25.
What gas is released when an acid reacts with an reactive metal?
a)
Oxygen
b)
Hydrogen
c)
Helium
d)
Bromine
26.
What gas is released when an acid reacts with an reactive metal?
a)
Oxygen
b)
Hydrogen
c)
Helium
d)
Bromine
27.
Which of the following is NOT a property of an alkali?
a)
Tastes bitter
b)
Corrosive
c)
Changes the colour of blue litmus paper to red
d)
Has a pH value higher than 7
28.
Which of the following is a strong alkali?
a)
Sodium hydroxide
b)
Potassium nitrate
c)
Sodium nitrate
d)
Potassium sulphate
29.
Which of the following is NOT a strong acid?
a)
Ethanoic acid
b)
Nitric acid
c)
Hydrochloric acid
d)
Sulphuric acid
30.
What gas is released when an ammonium salt is heated together with an alkali?
a)
Sulphur
b)
Ammonia
c)
Carbon dioxide
d)
Oxygen
31.
What is the pH value of vinegar?
a)
1
b)
7
c)
4
d)
11
32.
What is the pH value of vinegar?
a)
1
b)
7
c)
4
d)
11
33.
What type of acid can be found in a car battery?
a)
Ethanoic acid
b)
Nitric acid
c)
Hydrochloric acid
d)
Sulphuric acid
34.
What method is used to study the neutralisation reaction between an acid and an alkali?
a)
Evaporation
b)
Titration
c)
Sublimation
d)
Electrolisis
35.
What is the process that takes place when an acid reacts with an alkali?
a)
Titration
b)
Evaporation
c)
Neutralisation
d)
Sublimation
36.

Complete the word equation for neuralisation reaction.


Acid + Alkali --> _______ + _________

a)

sugar.....water

b)

salt......water

c)

salt......vinegar

d)

vinegar.....salt

37.

Which solutions can be mixed to form a salt solution?

a)

P and R

b)

Q and S

c)

P and S

d)

R and S

38.

Hasan wants to prepare sodium sulphate in the lab, which chemicals can be used?

a)

Dilute Nitric acid and Sodium nitrate

b)

Dilute Sulphuric acid and sodium hydroxide solution

c)

Dilute sulphuric acid and sodium carbonate

d)

Acid hydrochloric and Sodium hydroxide

39.

Hair conditioner contains ______ which neutralises the _____ shampoo so that the hair become smooth, shiny and health.

a)

acid....... alkaline

b)

alkali......acidic

c)

acid...... neutral

d)

alkali.....neutral

40.

What is the meaning of disease

a)

An illness that cause by toxic chemical expose by our body.

b)

Abnormal condition on body and mind that cause discomfort.

c)

Normal condition by body react to certain foreign substance

41.

" The organisms that can cause disease' is called _______

a)

bacteria

b)

pathogen

c)

probiotic

d)

biosome

42.

what is the unit for energy?

a)

newton

b)

joule

c)

force

d)

volt

e)

ampere

43.

what is the name of positive charge?

a)

electron

b)

neutron

c)

proton

d)

nucleus

44.

like charges _________ each other.

a)

attract

b)

repel

c)

touch

45.

the longer the wire,

the _________ the resistance.

a)

lower

b)

greater

c)

higher

d)

shorter

46.
An ________ is a reflected sound.
a)
Vibration
b)
Echo
c)
Pitch
d)
Volume
47.
Sound waves travel the FASTEST through _____________.
a)
gases
b)
liquids
c)
solids
48.
________ describes how LOUD a sound is. 
a)
Amplitude
b)
Frequency 
49.
To make a sound from a stringed instrument louder you must
a)
hit it
b)
pluck it harder
c)
hold it higher
d)
pluck it softer
50.
The highest pitch is made by the _______ instrument.
a)
biggest
b)
wooden
c)
smallest
d)
shiniest

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