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Biology Paper 1 Revision ELC

Total questions: 64

Worksheet time: 1hrs 6mins

Name
Class
Date
1.

Which cell structure contains a substance called chlorophyll?

a)

cell membrane

b)

chloroplasts

c)

a cell wall

d)

nucleus

2.

Where is the DNA found?

a)

cell membrane

b)

cytoplasm

c)

nucleus

d)

vacuole

e)

chloroplast

3.

What is the function of the cell nucleus ?

a)

to produce energy

b)

to carry instructions in the form of genes

c)

to remove waste products

d)

to allow molecules to enter the cell

4.

This cell contains chlorophyll

a)

false

b)

true

5.

Which arrow points to the nucleus?

a)

2

b)

1

c)

3

d)

none of them

6.

What structure is 2?

a)

cell membrane

b)

cytoplasm

c)

nucleus

d)

chloroplast

7.

Which part is a chloroplast?

a)

3

b)

1

c)

2

d)

4

8.

Which diagram shows a nerve cell?

a)

A

b)

B

c)

C

d)

D

9.

What cell is this?

a)

sperm

b)

nerve

c)

muscle

d)

skin

10.

What kind of cell is this?

a)

sperm cell

b)

plant cell

c)

nerve cell

d)

muscle cell

e)

liver cell

11.

a boy has ...

a)

XX chromosomes

b)

XY chromosomes

12.

a girl has ...

a)

XX chromosomes

b)

XY chromosomes

13.

What should go in the green box?

a)

Hh

b)

HH

c)

hh

d)

h

e)

H

14.

What should go in the blue box?

a)

Hh

b)

HH

c)

hh

d)

h

e)

H

15.

Different forms of the same gene are called ...

a)

alleles

b)

neurones

c)

chromosomes

d)

organelle

e)

specialized cells

16.

Alleles are forms of the same ...

a)

gene

b)

protein

c)

cell

d)

organelle

17.

What shape is DNA?

a)

square

b)

cylinder

c)

helix

d)

zig zag

e)

curly

18.

What structure has a double helix shape?

a)

cytoplasm

b)

cell membrane

c)

DNA

d)

cell wall

e)

chloroplast

19.

The time it took for each person to catch the ruler are shown below. Who was the SLOWEST to react?

a)

Sue with 0.234 seconds

b)

Bob with 0.121 seconds

c)

Jen with 0.421 seconds

d)

Ann with 0.185 seconds

20.

The time it took for each person to catch the ruler is shown in the table. Who has the fastest reflexes?

a)

Tim

b)

Kat

c)

Bob

d)

Jill

e)

Dan

21.

The time it took for each person to catch the ruler are shown below. Who was the FASTEST to react?

a)

Sue with 0.234 seconds

b)

Bob with 0.121 seconds

c)

Jen with 0.421 seconds

d)

Ann with 0.185 seconds

22.

Chose TWO reasons why it is important to always use the same starting position for the ruler and hand in this experiment?

a)

so that the test is fair

b)

so that the timer works

c)

so that the results are more reliable

d)

so that ruler doesn't break

e)

so that the experiment can end quicker

23.

Choose TWO variables that are most important to control in order to make sure the test is fair?

a)

keep the same temperature

b)

keep the same starting position

c)

keep the same timer

d)

keep the same weight of the ruler

e)

keep the same person dropping the ruler

24.

Selective breeding is where ___________ decides which traits should be passed on

a)

Nature

b)

A human

25.

A farmer has bred his pineapple plants from the sweetest pineapples from his last harvest to get even sweeter pineapple plants. What is this an example of?

a)

Selective breeding

b)

Natural selection

26.

The purpose of selective breeding is to

a)

Create animals and plants with desirable traits

b)

Get smaller animals and plants

27.

What is the first stage in the selective breeding process?

a)

choose the best parents

b)

breed the best parents

c)

choose the best offspring

d)

breed the best offspring

28.

What is the second stage in the selective breeding process?

a)

choose the best parents

b)

breed the best parents

c)

choose the best offspring

d)

breed the best offspring

29.

What is the third stage in the selective breeding process?

a)

choose the best parents

b)

breed the best parents

c)

choose the best offspring

d)

breed the best offspring

30.

What is the final stage in the selective breeding process?

a)

choose the best parents

b)

breed the best parents

c)

choose the best offspring

d)

breed the best offspring

31.

Antibiotics are medicines that kill bacteria

a)

true

b)

false

32.

Bacteria reproduce quickly, therefore genetic mutations are very likely

a)

true

b)

false

33.

This is when you create a new species by changing an organism's DNA

a)

genetic engineering

b)

selective breeding

c)

survival of the fittest

d)

natural selection

34.

What does GMO stand for?

a)

genetically modified organism

b)

groovy meaty oatmeal

c)

genetically mistreated organism

d)

generally milky oak

35.

What are the four key stages in the natural selection process?

a)

variation

b)

struggle

c)

survival

d)

inheritance

e)

death

36.
Sex chromosome which is  present in both male and female?
a)
X Chromosome
b)
Y Chromosome
c)
None
37.

A sperm cell must contain this chromosome for a baby to be a boy

a)

X Chromosome

b)

Y Chromosome

c)

None

38.

The sperm cell's tail helps it to

a)

swim

b)

stand still

c)

photosynthesise

39.
What is the name of this specialised cell?
a)
nerve cell
b)
red blood cell
c)
root hair cell
d)
sperm cell
40.

The purpose of part 19 is to make the image look

a)

bigger

b)

smaller

c)

clearer

d)

fainter

41.
What tool do you use to view cells?
a)
metric ruler
b)
magnifying glass
c)
microscope
d)
petri dish
42.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
43.

Alleles are different forms of the same

a)

DNA

b)

chromosome

c)

gene

d)

helix

44.

What percentage of offspring will have blue eyes?

a)

25%

b)

50%

c)

75%

d)

100%

45.

What percentage of offspring will have brown eyes?

a)

25%

b)

50%

c)

75%

d)

100%

46.

A section of DNA used to make a protein is called:

a)

helix

b)

gene

c)

allele

d)

chloroplast

47.

A plant cell is being shown. What is structure 2?

a)

Mitochondria

b)

Nucleus

c)

Ribosome

d)

Chloroplast

48.

Dominant gene

a)

R

b)

r

49.

Recessive allele is always shown with a

a)

capital letter

b)

lower case letter

50.

Recessive allele

a)

R

b)

r

51.

Where the better adapted organisms survive to pass traits along to offspring.

a)

Genetic engineering

b)

Natural Selection

c)

Extinction

d)

Selective Breeding

52.

How many people in the class prefer football?

a)

9

b)

4

c)

5

d)

6

e)

7

53.

Mary is studying how quickly sunflowers reach their maximum height. She records the height growth of one sunflower. What is the best way that she could improve her study?

a)

measure several sunflowers instead of one

b)

measure the plant's height at week 8

c)

measure the growth of corn and wheat plants too

d)

measure the width of the plant too

54.

A business man was deciding what kind of ice cream topping to sell. He asked 14 family members to choose their favorite. What should he do next?

a)

ask more people to be sure which is more popular

b)

buy several boxes of marshmallow topping

c)

buy several boxes of nut topping

55.

Jack made this graph to find out what time of year people watch the most films. Why can't Jack form a conclusion from his graph?

a)

there is no data from the other months of the year

b)

there is no data about people watching soaps and sports

c)

there is no data about how long the film lasted

56.

Which colour bead is used the most?

a)

green

b)

purple

c)

pink

d)

gold

57.

A ice cream factory owner was deciding which of 4 types of ice cream to make. He asked half of the year 7 pupils in a nearby school to choose their favorite. How could he improve his research?

a)

ask the teachers in the school instead of the pupils

b)

ask 200 random people in the street

c)

ask some of the year 8 pupils as well

58.

Jamie practiced her piano for 5 days in a row.

What day did she practice the most?

a)

Day 1

b)

Day 2

c)

Day 4

d)

Day 5

e)

Day 3

59.

Which subject was the least popular?

a)

History

b)

Science

c)

Math

d)

Spelling

e)

reading

60.

How many mountain bikes were sold?

a)

22

b)

28

c)

16

d)

23

e)

17

61.

The sample size of this study is too small to form a strong conclusion for the whole of London

a)

true

b)

false

62.

Look at the Bar Graph "Student Grades". Which grade did the most students get?

a)

A

b)

B

c)

C

d)

D

63.

Which cookie is the least favourite?

a)

Ginger Snap

b)

Oatmeal Cookie

c)

Sugar Cookie

d)

Chocolate chip

e)

they are all equal

64.

A Scientist wanted to discover which eye colour was the most common in London. He gathered this data from a small London school in Fulham. What does this data prove?

a)

blue eyes are most common in London

b)

brown eyes are most common in London

c)

It doesn't prove anything because their weren't enough Londoners tested

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