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GCSE Extension Science Revision (2013)

This is a Revision Paper for students studying Biology. It covers a selection of extension science topics.

'GCSE Extension Science Revision (2013)' worksheet

Key stage:  KS 4

Curriculum topic:  GCSE Practice Papers

Curriculum subtopic:  Selection of Topics

Difficulty level:  

down

Worksheet Overview

QUESTION 1 of 10

This is an Extension Science Revision Paper for students doing extension science. It covers a selection of extension science topics, including biology, chemistry and physics.

The methods used to keep things free from living microorganisms are called ____________ techniques.

White blood cells produce _____________ that are specific for each pathogen that invades the body.

antibodies

antigens

toxins

The gene for red-green colour blindness is on the ____ chromosome.

X

Y

The kind of learning that starts with an innate reflex action but then the animal learns to respond to a new stimulus the same way is known as classical ______________.

Recombinant DNA technology is used to make a hormone called ___________, which is used by diabetics.

An organism that contains genes transferred from another organism is a ___________ organism.

In modern biotechnology, microorganisms are grown in big, steel vessels called _____________.

Analytical investigations have shown a link between high levels of _______________ in water and Alzheimer's disease.

chlorine

aluminium

iron

Calculate the number of moles in 24 g of carbon. (Relative atomic mass of carbon: 12)

0.5

2

288

When positive ions gain electrons we call it ___________.

reduction

oxidation

When forward and backward reactions happen at the same rate we have ___________ equilibrium.

Ethene and steam give us ethanol. This is an example of a ______________ reaction.

Ethanoic acid is a member of a homologous series called the _____________ acids.

carbosalycilyc

carbohydrases

carboxylic

Esters are made when carboxylic acids react with ______________.

alkalis

alcohols

polyesters

Long sight can be corrected by using ______________ lenses.

converging

diverging

The image on the retina is a real image but the point where the rays appear to come from is described as a ________ image.

The risk from using X rays to treat tumours is the cause of __________ itself.

In β+ decay, a ________ becomes a __________ plus a __________.

neutron  proton  electron

neutron  proton  positron

proton  neutron  positron

If a high-energy proton is allowed to collide with a stable element, the nucleus of this element can be changed into an unstable nucleus of a different element. This is ______________.

an isotrope

an allotrope

a radioactive isotope

A medical use of optical fibres is in ________________.

endoscopes

fibroscopes

ultrasounds

  • Question 1

The methods used to keep things free from living microorganisms are called ____________ techniques.

CORRECT ANSWER
aseptic
EDDIE SAYS
The methods used to keep things free from living microorganisms are called aseptic techniques.
  • Question 2

White blood cells produce _____________ that are specific for each pathogen that invades the body.

CORRECT ANSWER
antibodies
EDDIE SAYS
White blood cells produce antibodies that are specific for each pathogen that invades the body.
  • Question 3

The gene for red-green colour blindness is on the ____ chromosome.

CORRECT ANSWER
X
EDDIE SAYS
The gene for red-green colour blindness is on the X chromosome.
  • Question 4

The kind of learning that starts with an innate reflex action but then the animal learns to respond to a new stimulus the same way is known as classical ______________.

CORRECT ANSWER
conditioning
EDDIE SAYS
The kind of learning that starts with an innate reflex action but then the animal learns to respond to a new stimulus the same way is known as classical conditioning.
  • Question 5

Recombinant DNA technology is used to make a hormone called ___________, which is used by diabetics.

CORRECT ANSWER
insulin
EDDIE SAYS
Recombinant DNA technology is used to make a hormone called insulin, which is used by diabetics.
  • Question 6

An organism that contains genes transferred from another organism is a ___________ organism.

CORRECT ANSWER
transgenic
EDDIE SAYS
An organism that contains genes transferred from another organism is a transgenic organism.
  • Question 7

In modern biotechnology, microorganisms are grown in big, steel vessels called _____________.

CORRECT ANSWER
fermenters
EDDIE SAYS
In modern biotechnology, microorganisms are grown in big, steel vessels called fermenters.
  • Question 8

Analytical investigations have shown a link between high levels of _______________ in water and Alzheimer's disease.

CORRECT ANSWER
aluminium
EDDIE SAYS
Analytical investigations have shown a link between high levels of aluminium in water and Alzheimer's disease.
  • Question 9

Calculate the number of moles in 24 g of carbon. (Relative atomic mass of carbon: 12)

CORRECT ANSWER
2
EDDIE SAYS
moles of carbon = 24/12 = 2 moles of carbon atoms
  • Question 10

When positive ions gain electrons we call it ___________.

CORRECT ANSWER
reduction
EDDIE SAYS
When positive ions gain electrons we call it reduction.
  • Question 11

When forward and backward reactions happen at the same rate we have ___________ equilibrium.

CORRECT ANSWER
dynamic
EDDIE SAYS
When forward and backward reactions happen at the same rate we have dynamic equilibrium.
  • Question 12

Ethene and steam give us ethanol. This is an example of a ______________ reaction.

CORRECT ANSWER
hydration
EDDIE SAYS
Ethene and steam give us ethanol. This is an example of a hydration reaction.
  • Question 13

Ethanoic acid is a member of a homologous series called the _____________ acids.

CORRECT ANSWER
carboxylic
EDDIE SAYS
Ethanoic acid is a member of a homologous series called the carboxylic acids.
  • Question 14

Esters are made when carboxylic acids react with ______________.

CORRECT ANSWER
alcohols
EDDIE SAYS
Esters are made when carboxylic acids react with alcohols.
  • Question 15

Long sight can be corrected by using ______________ lenses.

CORRECT ANSWER
converging
EDDIE SAYS
Long sight can be corrected by using converging lenses.
  • Question 16

The image on the retina is a real image but the point where the rays appear to come from is described as a ________ image.

CORRECT ANSWER
virtual
EDDIE SAYS
The image on the retina is a real image but the point where the rays appear to come from is described as a virtual image.
  • Question 17

The risk from using X rays to treat tumours is the cause of __________ itself.

CORRECT ANSWER
cancer
EDDIE SAYS
The risk from using X rays to treat tumours is the cause of cancer itself.
  • Question 18

In β+ decay, a ________ becomes a __________ plus a __________.

CORRECT ANSWER
proton  neutron  positron
EDDIE SAYS
In β+ decay, a proton becomes a neutron plus a positron.
  • Question 19

If a high-energy proton is allowed to collide with a stable element, the nucleus of this element can be changed into an unstable nucleus of a different element. This is ______________.

CORRECT ANSWER
a radioactive isotope
EDDIE SAYS
If a high-energy proton is allowed to collide with a stable element, the nucleus of this element can be changed into an unstable nucleus of a different element. This is a radioactive isotope.
  • Question 20

A medical use of optical fibres is in ________________.

CORRECT ANSWER
endoscopes
EDDIE SAYS
A medical use of optical fibres is in endoscopes.
---- OR ----

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