Biology-B1-1a Flashcards

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1
Q

Name all the food groups you should eat to have a balanced diet.

A

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2
Q

Put these jobs in order of how much energy they would need from their food. (highest to lowest)

a) mechanic
b) professional runner
c) secretary

A

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3
Q

Name five health problems that are associated with obesity.

A

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4
Q

In terms of energy, what does a person have to do to lose weight?

A

Eat less food?

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5
Q

Describe three ways in which your immune system defends your body against disease.

A

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6
Q

Describe how the MMR vaccine prevents you from getting measles, mumps and rubella.

A

You get the injection which is practically the disease so your body produces antibodies to fight the infection if it ever gets it.

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7
Q

Why shouldn’t your doctor give you an antibiotic for the flu?

A

The flu is a viral infection which cannot be treated with antibiotics??

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8
Q

Name one type of bacteria that has developed resistance to antibiotics.

A

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9
Q

What practice did Semmelweis introduced in the 1840’s? Explain why this reduced death rates on his ward.

A

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10
Q

Describe the structure of the central nervous system, and explain what it does.

A

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11
Q

Where would you find the following receptors in a dog:

a) Smell
b) Taste
c) Light
d) Pressure
e) Sound

A

a) Nose
b) Tongue/Mouth?
c) Eyes
d) ?
e) Ears

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12
Q

What is a synapse?

A

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13
Q

What is the purpose of a reflex action?

A

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14
Q

Describe the pathway of the reflex arc from stimulus to response.

A

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15
Q

Define ‘hormone’.

A

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16
Q

Describe two effects of FSH on the body.

A

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17
Q

State two advantages and disadvantages of using the contraceptive pill.

A

Advantages:
Can’t get pregnant
Regular/no periods

Disadvantages:
Screws up hormones

18
Q

Briefly describe how IVF is carried out?

A

Make babies in test tubes??

19
Q

What is Auxin?

A

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20
Q

Explain how Auxin causes plant shoots to grow towards light.

A

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21
Q

Water contents is kept steady by homeostasis. Describe how the amount and concentration of urine you produce varies depending on how much exercise you do and how hot it is.

A

urine is more concentrated when you’re dehydrated.??

22
Q

Why might an athlete use performance enhancing drugs like steroids?

A

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23
Q

Why might an athlete not use performance enhancing drugs like steroids?

A

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24
Q

Briefly describe how a double bling drug trial works.

A

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25
Q

Name a drug that was not tested thoroughly enough and describe the consequences of its use.

A

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26
Q

Describe three opinions about the link between cannabis and hard drug use.

A

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27
Q

Which has the biggest impact on society in the UK;

Legal or illegal drugs.

A

??