Revision questions for Half term. B1a and B1b
Read over your notes and revision guide and then have a go at writing mini essay to answer
the following questions. Put as much detail into it as you can
Happy revising!
Q’s for B1a:
•
What nutrients are needed for a balanced diet and why is this important to health?
•
Describe the factors that can cause high blood pressure and explain what is the
impact on health is of high blood pressure?
•
Describe how pathogens can enter the body and explain the body’s natural barriers to
pathogens
•
Explain what a reflex arc is and describe the process of a reflex arc.
•
Name two types of drug and describe their effects
Q’s for B1b:
•
Draw a pyramid of numbers and a pyramid of biomass for the chain: Oak tree 
Ladybird  sparrow  Hawk. Explain what they show.
•
Describe the carbon cycle.
•
Explain how are the following animals adapted to their environment: -Polar bear –Killer
whale –Elephant
•
Describe Lamarck’s theory of evolution and Compare it to Darwin’s theory of evolution
Revision questions for after October half term. B1a and B1b
Read over your notes and revision guide and then have a go at writing mini essay to answer
the following questions. Put as much detail into it as you can
Week 1
Q for B1a: Explain how vaccination works to prevent against infection, weighing up the pros
and cons.
Q for B1b: Describe the similarities and differences between animal cells, plant cells,
bacterial cells and yeast.
Week 2
Q for B1: Describe how bacterial infections are treated and explain why viral infections
cannot be treated the same way.
Q for B1b: Explain the factors that could cause a population to size to change
Week 3
Q for B1a: Explain who Semmelweis was and the impact his discovery has had on the world
today.
Q for B1b: Explain how we can tell that changes are happening to the environment
Week 4
Q for B1a: Describe the menstrual cycle, detailing the effect of each hormone
Q for B1b: Explain why decay is an essential process.
Week 5
Q for B1a: Describe how the combined contraceptive pill works to prevent pregnancy and
how FSH can be used to help infertile women become pregnant
Q for B1b: Describe the factors that cause variation amongst a species. Give examples.
Week 6
Q for B1a: Outline the role of Auxin in plants and explain how this knowledge is beneficial in
agriculture
Q for B1b: Compare and contrast Mitosis and Meiosis
Revision questions for over Christmas holidays
Read over your notes and revision guide and then have a go at writing mini essay to answer
the following questions. Put as much detail into it as you can
Q’s for B1a:

Explain the four main conditions that need to kept constant in the body. Outline
problems that could be caused if each of them is not kept constant, for example, heat
stroke.

Describe what performance enhancing drugs are and the ethical issues that are
involved in people taking them.

Describe the effect of Thalidomide on babies born in the 1950s

Outline the process of drug testing that happens before a drug is legalised. Are there
any ethical considerations in drug testing?
Q’s for B1b

Describe different methods in which plants and animals can be cloned. Outline ethical
issues involved in cloning

Describe the positives and negatives of genetic engineering

Outline the evidence for evolution