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Stage 5 Science and Numeracy

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.

In Tamworth there have been 40 cases of Covid in the latest outbreak. If Tamworth has a population of 76,813 people, what percentage of the population has Covid?

a)

5%

b)

0.05%

c)

00005%

d)

.5%

2.

If 60% of the populatio of Tamworth has had both jabs. what fraction of the population has had both jabs?

a)

6/100

b)

6/1000

c)

3/6

d)

3/5

3.

60% of the population of Tamworth (76,813) have had a double dose of vaccinations. How many people have had both jabs?

a)

4608

b)

46,087

c)

6,000

d)

23,587

4.

If in humans the dominant gene for eye colour is B and the recessive is b. If both parents are heterozygous (have Bb genes) and therefore brown eyes what is the % chance that their offspring will have a blues eyed child?

a)

100%

b)

0%

c)

25%

d)

50%

5.

How many chromosomes in a healthy human cell? (not a sex cell)

a)

23

b)

64

c)

46

d)

32

6.

Sn is the chemical symbol for?

a)

Selenium

b)

Tin

c)

Titanium

d)

Sulfur

7.

When you add metal to an acid the products are?

a)

Metal salt + water

b)

Metal salt + carbon dioxide

c)

Metal salt

d)

Metal salt + hydrogen

8.

If carbon has an atomic wt of 12 and oxygen has an atomic wt of 16, what % of a carbon dioxide molecule is carbon?

a)

12%

b)

72.7%

c)

27.3%

d)

16%

9.

In photosynthesis the reactants are carbon dioxide and water, which with the addition of sunlight, enable the plant to produce oxygen and ?

a)

Glucose

b)

Nitrogen

c)

Ammonia

d)

More carbon dioxide

10.

If a solution is acidic it will have a pH that is ?

a)

= 7

b)

>7

c)

7>

d)

it does not have a pH

11.

Who is generally attributed with designing the Periodic Table?

a)

Isaac Newton

b)

Dmitri Mendeleev

c)

Albert Einstein

d)

Galileo

e)

G

12.

The most reactive metals in the periodic table are in Column (group) ?

a)

1

b)

2

c)

3

d)

4

13.

As you go down coumn 1 in the Periodic Table the metals get?

a)

Less reactive

b)

less metal like

c)

more metal like

d)

more reactive

14.

An allele is ?

a)

A compound containing nitrogen and hydrogen

b)

One of two or more genes defining a trait

c)

Same as a chromosome

d)

a long slippery fish

15.

DNA stands for

a)

deoxyribena

b)

ribonucleic acid

c)

deoxyribonucleic acid

d)

deoxynormalribo acid

16.

It is thought that about 2% of the wprld population have red hair. What fraction of the poulation is that?

a)

1/50

b)

1/5

c)

1/500

d)

1/5000

17.

If 2% of the population have red hair, how many people would you expect to have red hair if you took a random sample of 1000 people from around the world?

a)

2

b)

20

c)

200

d)

980

18.

The pop test is used to test for ?

a)

Nitrogen

b)

Carbon dioxide

c)

Oxygen

d)

Hydrogen

19.

The test for Carbon Dioxide is

a)

Lime Water

b)

pop test

c)

Sodium chloride

d)

PH paper

20.

There are 26 students in a class of which 12 are girls. If you could take one cell from each students, how many y-chromosomes would you have?

a)

12

b)

26

c)

24

d)

14