GCSE AQA Biology 1 Quiz

Descrição

A quiz with questions from the whole of the B1 unit.
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Quiz por Lilac Potato, atualizado more than 1 year ago
Lilac Potato
Criado por Lilac Potato mais de 9 anos atrás
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Resumo de Recurso

Questão 1

Questão
Which of these food groups is used for growth, cell repair and cell replacement?
Responda
  • Carbohydrates
  • Fats
  • Protein
  • Fibre
  • Vitamins and mineral ions

Questão 2

Questão
Which of these factors can affect your metabolic rate?
Responda
  • Muscle: Fat ratio
  • Size
  • Gender
  • Amount of exercise
  • Temperature
  • Inherited factors
  • Heart rate

Questão 3

Questão
Which of these health problems is not caused by obesity?
Responda
  • Arthritis
  • Type 2 diabetes
  • High blood pressure
  • Heart disease
  • Some cancers
  • Kidney disease

Questão 4

Questão
Too much saturated fat in your diet can increase your blood cholesterol level
Responda
  • True
  • False

Questão 5

Questão
Which of these problems can be caused by eating too little?
Responda
  • Slow growth (in children)
  • Fatigue
  • Poor resistance to infection
  • Irregular periods
  • Underactive thyroid gland
  • Lung cancer
  • High blood pressure
  • Deficiency diseases

Questão 6

Questão
Which of these are differences between bacteria and viruses?
Responda
  • Bacteria are small living cells, viruses are smaller than cells
  • Bacteria are smaller than cells, viruses are small living cells
  • Bacteria make you feel ill by damaging cells and producing toxins, viruses replicate themselves by invading cells and using cells' machinery to produce copies of themselves which will cause the cell to burst - the damage makes you feel ill
  • Bacteria replicate themselves by invading cells and using cells' machinery to produce copies of themselves which will cause the cell to burst - the damage makes you feel ill, viruses make you feel ill by damaging cells and producing toxins

Questão 7

Questão
The body's defence system involves the skin, hairs and mucus, platelets and the immune system (white blood cells)
Responda
  • True
  • False

Questão 8

Questão
Vaccinations involve injecting small amounts of active microorganisms
Responda
  • True
  • False

Questão 9

Questão
Which of these drugs actually cures disease?
Responda
  • Painkillers
  • Antibiotics

Questão 10

Questão
Which of the following describes how bacteria can become resistant to antibiotics?
Responda
  • Bacteria mutates (to become resistant), infection is treated with antibiotics, only non-resistant killed, resistant survives and reproduces, population of resistant increases
  • Population of resistant increases, infection is treated with antibiotics, bacteria mutates (to become resistant), resistant survives and reproduces, only non-resistant killed
  • Infection is treated with antibiotics, only non-resistant killed, bacteria mutates (to become resistant), population of resistant increases, resistant survives and reproduces

Questão 11

Questão
Why are cultures of microorganisms kept at 25 degrees C in schools?
Responda
  • To stop the agar jelly melting
  • To stop harmful pathogens growing
  • To give the right conditions for most microorganisms

Questão 12

Questão
What did Ignaz Semmelweis encourage doctors to do?
Responda
  • Wash their hands in an antiseptic solution
  • Use the drug he created, penicillin
  • Put patients with diseases in a different ward to pregnant women

Questão 13

Questão
Which of these is the definition of a stimulus?
Responda
  • A cell which is sensitive to light
  • A change in your environment
  • Where information from the sense organs is sent

Questão 14

Questão
At a synapse, the nerve signal is transferred by chemicals which diffuse across the gap - the chemicals set off a new electrical signal in the next neurone
Responda
  • True
  • False

Questão 15

Questão
Which of the following describes the reflex arc?
Responda
  • Sensory neurone, relay neurone, stimulus, response, effector, motor neurone, receptor
  • Stimulus, receptor, sensory neurone, relay neurone, motor neurone, effector, response
  • Response, stimulus, motor neurone, receptor, relay neurone, effector, sensory neurone,

Questão 16

Questão
Which of these are differences between responses coordinated by nerves and hormones?
Responda
  • Nerves - slower action, hormones - very fast action
  • Nerves - very fast action, hormones - slower action
  • Nerves - act for a very short time, hormones - act for a long time
  • Nerves - act for a long time, hormones - act for a very short time
  • Nerves - act in a more general way, hormones - act on a very precise area
  • Nerves - act on a very precise area, hormones - act in a more general way

Questão 17

Questão
What are the features of FSH (Follicle-Stimulating-Hormone) ?
Responda
  • Produced by the pituitary gland
  • Produced in the ovaries
  • Causes an egg to mature
  • Stimulates production of LH
  • Stimulates release of egg
  • Stimulates production of oestrogen

Questão 18

Questão
Which hormones are used to reduce fertility?
Responda
  • FSH
  • Oestrogen
  • LH
  • Progesterone

Questão 19

Questão
A problem associated with IVF is multiple births, which are risky for the mother and babies.
Responda
  • True
  • False

Questão 20

Questão
Which of these statements are true about the plant hormone, auxin?
Responda
  • Auxin stimulates growth in shoots and inhibits growth in roots
  • Auxin inhibits growth in shoots and stimulates growth in shoots

Questão 21

Questão
The definition of homeostasis is the maintenance of a constant internal environment
Responda
  • True
  • False

Questão 22

Questão
What do anabolic steroids and stimulants do?
Responda
  • Anabolic steroids increase muscle size and stimulants increase heart rate
  • Anabolic steroids increase heart rate and stimulants increase muscle size

Questão 23

Questão
What is the purpose of testing a drug on healthy human volunteers?
Responda
  • To test the drug's toxicity
  • To find the optimum dose
  • To see if it has any harmful side effects

Questão 24

Questão
What was thalidomide intended to be used for?
Responda
  • Treating people with sleeping disorders (insomnia)
  • Relieving morning sickness in pregnant women
  • Treating leprosy

Questão 25

Questão
Illegal drugs have more of an impact than legal drugs
Responda
  • True
  • False

Questão 26

Questão
How are Arctic animals adapted to reduce heat loss?
Responda
  • Small surface area to volume ratio
  • Large surface area to volume ratio
  • Thick layer of blubber
  • Thin layers of body fat
  • Greasy fur
  • Produce little sweat
  • Produce small amounts of concentrated urine
  • White fur

Questão 27

Questão
Which of these are living factors that could cause the environment to change?
Responda
  • A change in the occurrence of infectious diseases
  • A change in the number of predators
  • A change in the number of prey/availability of food sources
  • A change in the number or types of competitors
  • A change in average temperature
  • A change in average rainfall
  • A change in the level of air or water pollution

Questão 28

Questão
Lichen can be used to measure air pollution as they are very sensitive to the concentration of carbon dioxide in the atmosphere
Responda
  • True
  • False

Questão 29

Questão
What is biomass?
Responda
  • The mass of living material
  • How much food an animal needs
  • The number of species in an area

Questão 30

Questão
How is energy from the Sun lost in the food chain?
Responda
  • Plants use it to make food
  • Respiration
  • Movement
  • Controlling body temperature
  • Some of the material which makes up the plants & animals is inedible
  • Waste materials
  • Sleeping
  • Eating
  • Burning fossil fuels

Questão 31

Questão
In what conditions is decay fastest?
Responda
  • Warm
  • Moist
  • Aerobic (with oxygen)
  • Anaerobic (without oxygen)
  • Dry
  • Cold

Questão 32

Questão
In the carbon cycle, how is carbon dioxide removed from the air?
Responda
  • Combustion
  • Respiration
  • Photosynthesis
  • Decay

Questão 33

Questão
Which of these characteristics are only affected by genetic factors?
Responda
  • Gender
  • Eye colour
  • Blood group
  • Inherited disorders
  • Weight
  • Height
  • Accent
  • Scars

Questão 34

Questão
A gene is a short length of a chromosome
Responda
  • True
  • False

Questão 35

Questão
Which of these are features of sexual reproduction?
Responda
  • There are two parents
  • There is one parent
  • There is fusion of the gametes
  • There is no fusion of the gametes
  • There is genetic variation
  • There is no genetic variation

Questão 36

Questão
How can cloned offspring be produced using embryo transplants?
Responda
  • An unfertilised egg cell is taken and the nucleus is removed and a nucleus from an adult body cell is inserted into the empty egg cell. An electric shock is given to make the embryo divide. When the embryo is a ball of cells it is implanted into a surrogate mother to grow into a clone of the original adult body cell.
  • Sperm cells are taken and used to artificially fertilise an egg cell. The embryo that develops is split many times (to form clones) before any cells become specialised. The cloned embryos are implanted into surrogate mothers to form genetically identical offspring.
  • Plant cells are taken and put in a growth medium with hormones to grow into new plants, which are clones of the parent plant.

Questão 37

Questão
Enzymes can be used to remove a useful gene from a chromosome and insert into another organism's chromosome
Responda
  • True
  • False

Questão 38

Questão
What was Charles Darwin's theory as to how evolution occurs?
Responda
  • Individuals show variation and organisms with beneficial characteristics are more likely to survive and reproduce, passing on their genes and increasing population with this characteristic (natural selection)
  • If an organism uses a characteristic a lot then, within its lifetime, it would become more developed - the acquired characteristics would pass on to the next generation

Questão 39

Questão
A mutation is always beneficial to an organism
Responda
  • True
  • False

Questão 40

Questão
Why did many people disagree with Darwin's theory of evolution?
Responda
  • It went against common religious beliefs at the time
  • No one knew about genes or mutations
  • There wasn't enough evidence
  • He wasn't a proper scientist
  • He published his theory in an obscure journal

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