WorksheetsOCR B3
Total questions: 40
Worksheet time: 20mins
Name
Class
Date
1.
In which organelle does aerobic respiration take place?
a)
Nucleus
b)
Mitochondria
c)
Chloroplast
d)
Ribosome
2.
In which organelle does transcription take place?
a)
Nucleus
b)
Ribosome
c)
Mitochondria
d)
Chloroplast
3.
In which organelle does translation take place?
a)
Nucleus
b)
Chloroplast
c)
Ribosome
d)
Mitochondria
4.
What are the parts of cells called? For example the nucleus, mitochondria and ribosomes.
a)
Organs
b)
Tissues
c)
Organelles
d)
Organisms
5.
Which of these cell types would contain the most mitochondria?
a)
Muscle cells
b)
Skin cells
c)
Red blood cells
d)
Bone cells
6.
Which of these biological molecules is made from amino acids?
a)
Starches
b)
Fats
c)
Proteins
d)
DNA
7.
Which RNA base pairs with Adenine
a)
Thymine
b)
Guanine
c)
Cytosine
d)
Uracil
8.
Which DNA base pairs with Adenine?
a)
Thymine
b)
Guanine
c)
Cytosine
d)
Uracil
9.
How many amino acids could the following DNA sequence code for?
ACTGCTAATCCCGATCTACTATAC
ACTGCTAATCCCGATCTACTATAC
a)
8
b)
24
c)
12
d)
48
10.
Which molecule is formed during transcription?
a)
mRNA
b)
tRNA
c)
rRNA
d)
DNA
11.
Which of these is a structural protein?
a)
Collagen
b)
Haemoglobin
c)
Insulin
d)
Rennin
12.
Which of these proteins is an enzyme?
a)
Collagen
b)
Haemoglobin
c)
Insulin
d)
Rennin
13.
Which of these proteins is a hormone?
a)
Collagen
b)
Haemoglobin
c)
Insulin
d)
Rennin
14.
Which of these is a genetic disease?
a)
Haemophilia
b)
Septicemia
c)
Thrombosis
d)
Stroke
15.
If an enzyme controlled reaction has a rate of 10 arbitrary units at 20oC and 20 arbitrary units at 30oC. What is its Q10?
a)
1
b)
2
c)
3
d)
4
16.
Which of these is the correct balanced symbol equation for aerobic respiration?
a)
C6H12O6 + 6O2 ---〉6CO2 + 6H2O
b)
6CO2 + 6H2O ---〉C6H12O6 + 6O2
c)
C6H12O6 + O2 ---〉CO2 + H2O
d)
C6H12O6 + 3O2 ---〉3CO2 + 3H2O
17.
What is the respiratory quotient for the aerobic respiration of glucose?
C6H12O6 + 6O2 ---〉
6CO2 + 6H2O
C6H12O6 + 6O2 ---〉
6CO2 + 6H2O
a)
1
b)
2
c)
3
d)
4
18.
Where in the body is lactic acid broken down?
a)
Liver
b)
Lungs
c)
Blood
d)
Pancreas
19.
Where in the body is carbon dioxide excreted?
a)
Liver
b)
Lungs
c)
Blood
d)
Pancreas
20.
Which cell division is used to produce gametes?
a)
Mitosis
b)
Meiosis
21.
Which word describes how many chromosomes are in gametes
a)
Haploid
b)
Diploid
c)
Polyploid
d)
Triploid
22.
What do chromosomes line up on before they are pulled apart in cell division?
a)
Equator
b)
Poles
23.
How many daughter cells are produced by meiosis?
a)
1
b)
2
c)
3
d)
4
24.
Which blood vessels take blood from the heart?
a)
Arteries
b)
Veins
c)
Capillaries
25.
Which blood component transports oxygen?
a)
Red blood cells
b)
White blood cells
c)
Platelets
d)
Plasma
26.
Which blood component initiates the clotting response?
a)
Red blood cells
b)
White blood cells
c)
Platelets
d)
Plasma
27.
Which blood component produces antibodies?
a)
Red blood cells
b)
White blood cells
c)
Platelets
d)
Plasma
28.
Which blood component transports food, carbon dioxide, hormones and urea?
a)
Red blood cells
b)
White blood cells
c)
Platelets
d)
Plasma
29.
Which letter is the left ventricle?
a)
A
b)
B
c)
C
d)
D
30.
Which letter can generate the greatest pressure?
a)
A
b)
B
c)
C
d)
D
31.
Which number is the tricuspid valve?
a)
1
b)
2
c)
3
32.
Which number prevents blood flowing from the left ventricle to the left atrium?
a)
1
b)
2
c)
3
33.
Which letter receives deoxygenated blood from the body?
a)
A
b)
B
c)
C
d)
D
34.
Which cells have the potential to differentiate into other types of cells?
a)
Embryonic stem cells
b)
Adult stem cells
35.
Which way of measuring growth means that the organism needs to be killed?
a)
Height
b)
Length
c)
Dry mass
d)
Wet mass
36.
Which region of the graph shows the greatest rate of growth
a)
A
b)
B
c)
C
37.
Which type of selective breeding involves breeding close relatives?
a)
Inbreeding
b)
Outbreeding
38.
Which type of enzyme is used to join pieces of DNA together?
a)
Ligase
b)
Restriction enzyme
c)
Amylase
d)
Protease
39.
Which of these diseases could be treated using gene therapy?
a)
Cystic Fibrosis
b)
Asthma
c)
Lung cancer
d)
Bronchitis
40.
Which of these sheep was Dolly cloned from?
a)
Egg donor
b)
Udder cell donor
c)
Surrogate mother
100 %
