B1 - understanding organisms

Descrição

Biology Quiz sobre B1 - understanding organisms, criado por Nicole Saville em 16-05-2014.
Nicole Saville
Quiz por Nicole Saville, atualizado more than 1 year ago
Nicole Saville
Criado por Nicole Saville mais de 10 anos atrás
178
7

Resumo de Recurso

Questão 1

Questão
What is fitness?
Responda
  • Being free from illness or disease
  • The ability to carry out physical activity
  • Being physically attractive

Questão 2

Questão
What causes heart disease?
Responda
  • A broken heart due to love
  • Restricted blood flow to the heart muscle
  • It's hereditary
  • Pathogens in the heart

Questão 3

Questão
What is the risk of getting heart disease increased by?
Responda
  • 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

Questão 4

Questão
What is the risk of getting heart disease increased by?
Responda
  • 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

Questão 5

Questão
What can you use to determine whether a person is over/underweight?
Responda
  • EAR (0.6 x body mass in kg)
  • BMI (mass in kg/ height in m squared)

Questão 6

Questão
What is a first-class protein?
Responda
  • 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

Questão 7

Questão
What is Plasmodium?
Responda
  • 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

Questão 8

Questão
A parasite is an organism that feeds on another living organism, causing it harm - true or false?
Responda
  • True
  • False

Questão 9

Questão
Mosquitoes are protozoans - true or false?
Responda
  • True
  • False

Questão 10

Questão
What is a pathogen?
Responda
  • A disease-causing organism
  • An organism produced by white blood cells which lock onto the surface of antigens
  • Part of a plant

Questão 11

Questão
What do antibiotics do?
Responda
  • Destroy pathogens
  • Slow down the pathogens development
  • Treat viruses

Questão 12

Questão
A placebo is a type of antiviral drug
Responda
  • True
  • False

Questão 13

Questão
What is a blind trial?
Responda
  • 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

Questão 14

Questão
What has excessive use of antibiotics resulted in?
Responda
  • Resistant forms of the bacteria becoming more common than non-resistant forms
  • The drugs tasting nicer
  • Doctors becoming addicted to them

Questão 15

Questão
Passive immunisation is long term
Responda
  • True
  • False

Questão 16

Questão
What does the cornea do?
Responda
  • 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

Questão 17

Questão
What type of lens should be prescribed to someone who is short sighted?
Responda
  • concave
  • convex
  • complex
  • cornea

Questão 18

Questão
The gap between neurones is called a...
Responda
  • relay
  • nerve
  • synapse
  • iris

Questão 19

Questão
What is the reflex arc?
Responda
  • 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

Questão 20

Questão
Hypothermia is...
Responda
  • A very low temperature
  • A very high temperature
  • Maintaining a constant internal environment
  • Very low blood sugar levels

Questão 21

Questão
The hypothalamus...
Responda
  • Monitors body temperature
  • Is damaged by too much alcohol consumption
  • Is in the brain
  • Is in the chest
  • Controls insulin levels

Questão 22

Questão
Vasodilation is...
Responda
  • 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

Questão 23

Questão
Type 1 diabetes is caused by the pancreas producing too much insulin
Responda
  • True
  • False

Questão 24

Questão
Type 2 diabetes can be controlled by diet
Responda
  • True
  • False

Questão 25

Questão
What does insulin do?
Responda
  • 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

Questão 26

Questão
What are the effects of smoking?
Responda
  • 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

Questão 27

Questão
Phototropism is a plants response to gravity
Responda
  • True
  • False

Questão 28

Questão
What do auxins do?
Responda
  • 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

Questão 29

Questão
Plant roots are positively geotropic
Responda
  • True
  • False

Questão 30

Questão
What are the uses of plant hormones?
Responda
  • 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

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