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Practice Science test

Total questions: 60

Worksheet time: 1hrs 21mins

Name
Class
Date
1.

a)

7

b)

13

c)

16

d)

77

2.

Answer the question.

Name the phases of growth, A and B.

a)

A cell wall

b)

A lag

c)

DNA

d)

Bacteria

3.
a)

A

b)

B

c)

C

d)

D

4.

a)

Flagella

b)

Cel wall

c)

Plasmid

d)

plasma

5.
a)

1.

b)

2.

c)

3.

d)

4.

6.

a)

A

b)

B

c)

C

d)

D

7.

a)

1.

b)

2.

c)

3.

d)

4.

8.

a)

A

b)

B

c)

C

d)

D

9.

a)

A

b)

B

c)

C

d)

D

10.

a)

A

b)

B

c)

C

d)

D

11.

a)

A

b)

B

c)

C

d)

D

12.

a)

A

b)

B

c)

C

d)

D

13.

a)

0.180 rad

b)

0.809 rad

c)

0.190 rad

d)

1.180 rad

14.

a)

A

b)

B

c)

C

d)

D

15.

Which of the following is a transfer of energy from one object to another due to a difference in temperature?

a)

Compound

b)

heat

c)

mass

d)

Cold temp...

16.

A ball rolls off the edge of the table. The horizontal component of the ball’s velocity remains constant during its entire trajectory because........................

a)

A: the ball is not acted upon by a force in the horizontal direction

b)

B: the net force acting on the ball is zero.

c)

C: the ball is not acted upon by any force.

d)

D: the ball is not acted upon by any force in the vertical direction.

17.

Before the fuse is lit, the total weight of a model rocket including fuel is 0.7 N. The gravitational field strength is 10 N/kg.


The total mass of the model rocket including fuel is:

a)

0.007 kg

b)

0.07 kg

c)

0.7 kg

d)

7 kg

18.

Some students investigate a model of the craters produced by meteorite impacts. They drop balls into a tray filled with sand. When one ball hits the sand, it has a velocity of 6.2 m/s. It has a momentum of 0.46 kg m/s.


Calculate the mass of the ball.( already in kg)

a)

0.075

b)

0.074

c)

0.047

d)

0.74

19.

A shuttlecock, which is used to play badminton, weighs very little. When it is dropped from a height of a few metres, it accelerates at first but soon reaches a steady speed.

Explain as fully as you can why the shuttlecock reaches a steady speed.

a)

Drag and acceleration very high.

b)

It travels at a constant speed called terminal velocity

c)

Ad speed increeases, drag decreases

d)

Initially the only force is weighed upward,through the max velocity of mass.

20.

What are the products of the reaction of zinc with hydrochloric acid?

a)

Zinc hydrochloride and hydrogen

b)

Zinc chloride and water

c)

Zinc hydrochloride and hydrogen

d)

Zinc chloride and hydrogen

21.

Use words from the list to complete the sentences. Select the two.

a)

salt

b)

acid

c)

neutral

d)

alkaline

22.

A student adds water to a sample of dilute hydrochloric acid.

The concentration of hydrogen ions decreases by a factor of 100.

Predict the effect on the pH.

(a)  

23.

A student places 25 cm3 of a solution of sodium hydroxide, NaOH, in a flask.

The concentration of sodium hydroxide is 0.5 mol/dm3.

What is the amount in moles of sodium hydroxide in the flask?

a)

12.5

b)

1.25

c)

0.125

d)

0.0125

24.

The functional unit of the kidney is known as?

a)

Medulla

b)

Glomerulus

c)

Pyramid

d)

Nephron

25.

Electromagnetic waves are produced by

(a)  

26.

a)

A

b)

B

c)

C

d)

D

27.

What do you mean by law of conservation of momentum?

4 lines
28.
a)

A

b)

B

c)

C

d)

D

29.

Diffusion is the movement of molecules from high to low concentration

a)

TRUE

b)

FALSE

30.

Define force and its various types. What is its unit?

4 lines
31.
a)

A

b)

B

c)

C

d)

D

32.

Titanium(IV) chloride is a color less liquid at room temperature. It is used in the production of titanium metal and titanium dioxide. Using your knowledge of chemistry, discuss the chemistry of titanium(IV) chloride and how you would determine the type of bonding present.

4 lines
33.

The list shows the scientific names for eight animals, using the (a)   system.

Alderia modesta

Arenicola cristata

Arenicola marina

Austrominius modestus

Bittium reticulatum

Botrylloides leachii

Botryllus schlosseri

Clypeostoma reticulatum

34.

Describe how the pea plant makes a sugar such as glucose.

4 lines
35.

Ignore i)

4 lines
36.
a)

A

b)

B

c)

C

d)

D

37.

a)

A

b)

B

c)

C

d)

D

38.

a)

A

b)

B

c)

C

d)

D

39.

a)

A

b)

B

c)

C

d)

D

40.

a)

A

b)

B

c)

C

d)

D

41.

GOOD LUCK! Your halfway done! How are you doing?

a)

ok/meh....

b)

Not good

c)

Amazing/great

d)

terrible

42.
4 lines
43.

a)

A

b)

B

c)

C

d)

D

44.

What is the artery dieases called?

4 lines
45.
a)

A

b)

B

c)

C

d)

D

46.

4 lines
47.

4 lines
48.

4 lines
49.

Write like:

i)

ii)

4 lines
50.

4 lines
51.

4 lines
52.

True or False

The cytoplasm of a prokaryotic cell contains the cells DNA.

a)

true

b)

false

53.

Prokaryotic cells cannot preform mitosis and meiosis.

a)

True

b)

False

54.

4 lines
55.

4 lines
56.
4 lines
57.

4 lines
58.

4 lines
59.

Related to before Q

4 lines
60.

Two cells that have the same DNA will have the same phenotype.

a)

TRUE

b)

FALSE

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