2884846
Descripción
Test por 10jonty.bird, actualizado hace más de 1 año
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Creado por 10jonty.bird
hace casi 9 años
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Pregunta 1
Pregunta
A person who is malnourished:
Respuesta
-
is overweight
-
is underweight
-
has an unbalanced diet
-
has lack of fibre in their body
-
has a lack of iron in their body
Pregunta 2
Pregunta
Inherited factors affect metabolic rate but cannot affect cholesterol levels.
Respuesta
- True
- False
Pregunta 3
Pregunta
The WBCs help defend against pathogens by:
Respuesta
-
producing antibodies
-
producing antigens
-
producing antitoxins
-
ingesting them
-
getting inside the pathogens and reproducing rapidly inside them
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by lowering the blood temperature rapidly so it is too cold for the pathogens to survive
Pregunta 4
Pregunta
What is the max temp a petri dish culture in a school should be kept at?
Respuesta
-
20ºC
-
25ºC
-
30ºC
-
35ºC
-
40ºC
-
45ºC
Pregunta 5
Pregunta
In the synapse between the sensory and the motor neurone, a chemical is released across the synapse, that causes an impulse to be sent along the motor neurone.
Respuesta
- True
- False
Pregunta 6
Pregunta
Many modern oral contraceptives are . . . . or . . . . .
Respuesta
-
mainly progesterone
-
mainly oestrogen
-
mainly LH
-
mainly FSH
-
progesterone only
-
oestrogen only
Pregunta 7
Pregunta
Phototropism is:
Respuesta
-
The plant's response to light
-
The plant's response to gravity
-
is controlled by auxin
-
is controlled by ethylene
-
The plant's response to lack of glucose
Pregunta 8
Pregunta
The way that auxin works is that when in contact with the plant cells it causes them to grow more rapidly. It is present in the tips of the plants.
Respuesta
- True
- False
Pregunta 9
Pregunta
How many different organisms are used for testing new drugs before it is released commercially?
Respuesta
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3
-
2
-
4
-
5
-
6
-
7
-
1
Pregunta 10
Pregunta
Thalidomide was developed as a morning sickness pill
Respuesta
- True
- False
Pregunta 11
Pregunta
Lichen are a particularly useful as an indicator of what?
Respuesta
-
SO2
-
CO2
-
CO
-
NOx
Pregunta 12
Pregunta
Invertebrate animals can be used as water pollution indicators of . . . . in water
Respuesta
-
oxygen
-
CO2
-
SO2
-
nutrients
-
nitrates
Pregunta 13
Pregunta
Microorganisms digest fastest in warm, dry, aerobic conditions.
Respuesta
- True
- False
Pregunta 14
Pregunta
In genetic engineering how are the genes 'cut out'?
Respuesta
-
using hormones
-
using enzymes
-
using a small electric shot
-
very small scissors
-
using a laser
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