Nicole Saville
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Biology Quiz on B1 - understanding organisms, created by Nicole Saville on 16/05/2014.

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Nicole Saville
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B1 - understanding organisms

Question 1 of 30

1

What is fitness?

Select one of the following:

  • Being free from illness or disease

  • The ability to carry out physical activity

  • Being physically attractive

Explanation

Question 2 of 30

1

What causes heart disease?

Select one of the following:

  • A broken heart due to love

  • Restricted blood flow to the heart muscle

  • It's hereditary

  • Pathogens in the heart

Explanation

Question 3 of 30

1

What is the risk of getting heart disease increased by?

Select one or more of the following:

  • A high level of saturated fat in the diet

  • A build up of cholesterol in the arteries

  • Eating high levels of salt

  • Smoking

  • Lifting weights

  • Drinking too much water

Explanation

Question 4 of 30

1

What is the risk of getting heart disease increased by?

Select one or more of the following:

  • A high level of saturated fat in the diet

  • A build up of cholesterol in the arteries

  • Eating high levels of salt

  • Smoking

  • Lifting weights

  • Drinking too much water

Explanation

Question 5 of 30

1

What can you use to determine whether a person is over/underweight?

Select one of the following:

  • EAR (0.6 x body mass in kg)

  • BMI (mass in kg/ height in m squared)

Explanation

Question 6 of 30

1

What is a first-class protein?

Select one of the following:

  • Proteins from plants

  • Proteins that are genetically engineered to contain extra amino acids

  • Proteins from animal which contain all of the essential amino acids that can't be made by the human body

Explanation

Question 7 of 30

1

What is Plasmodium?

Select one of the following:

  • A protozoan which feeds on red blood cells

  • A type of insect found in the rain forest

  • A liquid found inside bones which thins the blood

Explanation

Question 8 of 30

1

A parasite is an organism that feeds on another living organism, causing it harm - true or false?

Select one of the following:

  • True
  • False

Explanation

Question 9 of 30

1

Mosquitoes are protozoans - true or false?

Select one of the following:

  • True
  • False

Explanation

Question 10 of 30

1

What is a pathogen?

Select one of the following:

  • A disease-causing organism

  • An organism produced by white blood cells which lock onto the surface of antigens

  • Part of a plant

Explanation

Question 11 of 30

1

What do antibiotics do?

Select one of the following:

  • Destroy pathogens

  • Slow down the pathogens development

  • Treat viruses

Explanation

Question 12 of 30

1

A placebo is a type of antiviral drug

Select one of the following:

  • True
  • False

Explanation

Question 13 of 30

1

What is a blind trial?

Select one of the following:

  • A drug trial in which the patient is blind folded

  • A drug trial in which the patient doesn't know whether they're receiving a real drug or a placebo

  • A drug trial in which neither the patient nor the doctor know whether they're receiving a drug or a pacebo

  • A trial with only placebos

Explanation

Question 14 of 30

1

What has excessive use of antibiotics resulted in?

Select one of the following:

  • Resistant forms of the bacteria becoming more common than non-resistant forms

  • The drugs tasting nicer

  • Doctors becoming addicted to them

Explanation

Question 15 of 30

1

Passive immunisation is long term

Select one of the following:

  • True
  • False

Explanation

Question 16 of 30

1

What does the cornea do?

Select one of the following:

  • contracts and relaxes to control how much light enters the eye

  • refracts light as it enters the eye

  • controls hormone release in the feet

  • sends nerve impulses from the fingers to the brain

Explanation

Question 17 of 30

1

What type of lens should be prescribed to someone who is short sighted?

Select one of the following:

  • concave

  • convex

  • complex

  • cornea

Explanation

Question 18 of 30

1

The gap between neurones is called a...

Select one of the following:

  • relay

  • nerve

  • synapse

  • iris

Explanation

Question 19 of 30

1

What is the reflex arc?

Select one of the following:

  • stimulus - receptor - sensory neurone - central nervous system - motor neurone - effector - response

  • receptor - response - sensory neurone - relay neurone - motor neurone - effector

  • stimulus - motor neurone - central nervous system - relay neurone - effector - response

  • receptor - sensory neurone - relay neurone - motor neurone - central nervous system - effector

Explanation

Question 20 of 30

1

Hypothermia is...

Select one of the following:

  • A very low temperature

  • A very high temperature

  • Maintaining a constant internal environment

  • Very low blood sugar levels

Explanation

Question 21 of 30

1

The hypothalamus...

Select one or more of the following:

  • Monitors body temperature

  • Is damaged by too much alcohol consumption

  • Is in the brain

  • Is in the chest

  • Controls insulin levels

Explanation

Question 22 of 30

1

Vasodilation is...

Select one or more of the following:

  • The widening of blood vessels

  • The narrowing of blood vessels

  • A reaction to being too hot

  • A way of controlling plant hormones

  • Triggered by the nervous and hormonal systems

  • A reaction to drug overdose

Explanation

Question 23 of 30

1

Type 1 diabetes is caused by the pancreas producing too much insulin

Select one of the following:

  • True
  • False

Explanation

Question 24 of 30

1

Type 2 diabetes can be controlled by diet

Select one of the following:

  • True
  • False

Explanation

Question 25 of 30

1

What does insulin do?

Select one of the following:

  • Converts excess glycogen to glucose for use

  • Converts excess glucose to glycogen to be stored in the liver

  • Makes food sweeter

  • Causes Type 2 diabetes

Explanation

Question 26 of 30

1

What are the effects of smoking?

Select one or more of the following:

  • cigarette smoke contains chemicals which stop the cilia moving

  • Increased risk of lung cancer

  • Causes diabetes

  • You will get fined by the police

  • People will stop being friends with you

  • Dust particulates irritate the epithelial lining

  • Dust particulates irritate the small intestine lining

Explanation

Question 27 of 30

1

Phototropism is a plants response to gravity

Select one of the following:

  • True
  • False

Explanation

Question 28 of 30

1

What do auxins do?

Select one of the following:

  • Increase the height and weight of a plant

  • Elongate cells on the shaded side of a plant to tilt it towards the light

  • Feed on plants

Explanation

Question 29 of 30

1

Plant roots are positively geotropic

Select one of the following:

  • True
  • False

Explanation

Question 30 of 30

1

What are the uses of plant hormones?

Select one or more of the following:

  • Selective weed killers

  • To increase root growth of plant cuttings

  • To make a plant sexually active

  • To delay or accelerate fruit ripening

  • To reverse the ageing process of plants, making them younger

  • To control seed dormancy

  • To replace farmers

Explanation

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