Lilac Potato
Quiz by , created more than 1 year ago

A quiz with questions from the whole of the B1 unit.

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Lilac Potato
Created by Lilac Potato over 9 years ago
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GCSE AQA Biology 1 Quiz

Question 1 of 40

1

Which of these food groups is used for growth, cell repair and cell replacement?

Select one of the following:

  • Carbohydrates

  • Fats

  • Protein

  • Fibre

  • Vitamins and mineral ions

Explanation

Question 2 of 40

1

Which of these factors can affect your metabolic rate?

Select one or more of the following:

  • Muscle: Fat ratio

  • Size

  • Gender

  • Amount of exercise

  • Temperature

  • Inherited factors

  • Heart rate

Explanation

Question 3 of 40

1

Which of these health problems is not caused by obesity?

Select one of the following:

  • Arthritis

  • Type 2 diabetes

  • High blood pressure

  • Heart disease

  • Some cancers

  • Kidney disease

Explanation

Question 4 of 40

1

Too much saturated fat in your diet can increase your blood cholesterol level

Select one of the following:

  • True
  • False

Explanation

Question 5 of 40

1

Which of these problems can be caused by eating too little?

Select one or more of the following:

  • Slow growth (in children)

  • Fatigue

  • Poor resistance to infection

  • Irregular periods

  • Underactive thyroid gland

  • Lung cancer

  • High blood pressure

  • Deficiency diseases

Explanation

Question 6 of 40

1

Which of these are differences between bacteria and viruses?

Select one or more of the following:

  • 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

Explanation

Question 7 of 40

1

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

Select one of the following:

  • True
  • False

Explanation

Question 8 of 40

1

Vaccinations involve injecting small amounts of active microorganisms

Select one of the following:

  • True
  • False

Explanation

Question 9 of 40

1

Which of these drugs actually cures disease?

Select one of the following:

  • Painkillers

  • Antibiotics

Explanation

Question 10 of 40

1

Which of the following describes how bacteria can become resistant to antibiotics?

Select one of the following:

  • 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

Explanation

Question 11 of 40

1

Why are cultures of microorganisms kept at 25 degrees C in schools?

Select one of the following:

  • To stop the agar jelly melting

  • To stop harmful pathogens growing

  • To give the right conditions for most microorganisms

Explanation

Question 12 of 40

1

What did Ignaz Semmelweis encourage doctors to do?

Select one of the following:

  • Wash their hands in an antiseptic solution

  • Use the drug he created, penicillin

  • Put patients with diseases in a different ward to pregnant women

Explanation

Question 13 of 40

1

Which of these is the definition of a stimulus?

Select one of the following:

  • A cell which is sensitive to light

  • A change in your environment

  • Where information from the sense organs is sent

Explanation

Question 14 of 40

1

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

Select one of the following:

  • True
  • False

Explanation

Question 15 of 40

1

Which of the following describes the reflex arc?

Select one of the following:

  • 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,

Explanation

Question 16 of 40

1

Which of these are differences between responses coordinated by nerves and hormones?

Select one or more of the following:

  • 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

Explanation

Question 17 of 40

1

What are the features of FSH (Follicle-Stimulating-Hormone) ?

Select one or more of the following:

  • 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

Explanation

Question 18 of 40

1

Which hormones are used to reduce fertility?

Select one or more of the following:

  • FSH

  • Oestrogen

  • LH

  • Progesterone

Explanation

Question 19 of 40

1

A problem associated with IVF is multiple births, which are risky for the mother and babies.

Select one of the following:

  • True
  • False

Explanation

Question 20 of 40

1

Which of these statements are true about the plant hormone, auxin?

Select one of the following:

  • Auxin stimulates growth in shoots and inhibits growth in roots

  • Auxin inhibits growth in shoots and stimulates growth in shoots

Explanation

Question 21 of 40

1

The definition of homeostasis is the maintenance of a constant internal environment

Select one of the following:

  • True
  • False

Explanation

Question 22 of 40

1

What do anabolic steroids and stimulants do?

Select one of the following:

  • Anabolic steroids increase muscle size and stimulants increase heart rate

  • Anabolic steroids increase heart rate and stimulants increase muscle size

Explanation

Question 23 of 40

1

What is the purpose of testing a drug on healthy human volunteers?

Select one of the following:

  • To test the drug's toxicity

  • To find the optimum dose

  • To see if it has any harmful side effects

Explanation

Question 24 of 40

1

What was thalidomide intended to be used for?

Select one of the following:

  • Treating people with sleeping disorders (insomnia)

  • Relieving morning sickness in pregnant women

  • Treating leprosy

Explanation

Question 25 of 40

1

Illegal drugs have more of an impact than legal drugs

Select one of the following:

  • True
  • False

Explanation

Question 26 of 40

1

How are Arctic animals adapted to reduce heat loss?

Select one or more of the following:

  • 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

Explanation

Question 27 of 40

1

Which of these are living factors that could cause the environment to change?

Select one or more of the following:

  • 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

Explanation

Question 28 of 40

1

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

Select one of the following:

  • True
  • False

Explanation

Question 29 of 40

1

What is biomass?

Select one of the following:

  • The mass of living material

  • How much food an animal needs

  • The number of species in an area

Explanation

Question 30 of 40

1

How is energy from the Sun lost in the food chain?

Select one or more of the following:

  • 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

Explanation

Question 31 of 40

1

In what conditions is decay fastest?

Select one or more of the following:

  • Warm

  • Moist

  • Aerobic (with oxygen)

  • Anaerobic (without oxygen)

  • Dry

  • Cold

Explanation

Question 32 of 40

1

In the carbon cycle, how is carbon dioxide removed from the air?

Select one of the following:

  • Combustion

  • Respiration

  • Photosynthesis

  • Decay

Explanation

Question 33 of 40

1

Which of these characteristics are only affected by genetic factors?

Select one or more of the following:

  • Gender

  • Eye colour

  • Blood group

  • Inherited disorders

  • Weight

  • Height

  • Accent

  • Scars

Explanation

Question 34 of 40

1

A gene is a short length of a chromosome

Select one of the following:

  • True
  • False

Explanation

Question 35 of 40

1

Which of these are features of sexual reproduction?

Select one or more of the following:

  • 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

Explanation

Question 36 of 40

1

How can cloned offspring be produced using embryo transplants?

Select one of the following:

  • 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.

Explanation

Question 37 of 40

1

Enzymes can be used to remove a useful gene from a chromosome and insert into another organism's chromosome

Select one of the following:

  • True
  • False

Explanation

Question 38 of 40

1

What was Charles Darwin's theory as to how evolution occurs?

Select one of the following:

  • 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

Explanation

Question 39 of 40

1

A mutation is always beneficial to an organism

Select one of the following:

  • True
  • False

Explanation

Question 40 of 40

1

Why did many people disagree with Darwin's theory of evolution?

Select one or more of the following:

  • 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

Explanation

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