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Transcript
B1 Knowledge Test
1. Complete this table naming the 5 kingdoms and give 2 features of each kingdom.
Kingdom
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
2 features
Give two reasons why scientists classify viruses as non-living.
Define the term ‘species’.
What are the two limitations to the definition of a species?
The phylum Chordata all have what feature in common?
What are the three reasons that make classification difficult?
What are the three different ways of absorbing oxygen found in vertebrates?
What do oviparous animals do?
What do homeotherms do?
What is a hybrid?
‘Differences between individuals’ is better known as…?
What is the binomial name for human beings?
Name two vertebrate groups that have lungs?
What are the two types of variation and give an example of each?
Draw a normal distribution curve.
What are the two causes of variation?
What is a mutation?
State the 6 stages of natural selection.
Describe two adaptations of the polar bear.
What is a gene?
Define the term allele.
Using appropriate symbols, write down the genotype of a person who is heterozygous?
Using appropriate symbols, write down the genotype of a person who is homozygous recessive?
What does the term phenotype mean?
Give 2 symptoms of Sickle Cell Anaemia
Give 2 symptoms of Cystic Fibrosis.
27. Define Homeostasis.
28. Which part of the brain controls body temperature?
29. What method of heat energy transfer does sweating utilise to cool us down?
30. Explain why we look red when we are hot?
31. What does negative feedback mean?
32. What makes up the central nervous system?
33. What are the cells in your eye that detect light?
34. What part of the neurone transmits information to different neurons, muscles and glands?
35. What is the function of a dendrite?
36. Define a synapse and state the generic name for the chemical that crosses it.
37. What is the myelin sheath made of and what is its role?
38. What is the name given to the quick response that protects us from harm?
39. How are hormones transported around the body?
40. What hormone reduces blood sugar levels?
41. What is excess glucose stored as?
42. Where is excess glucose stored?
43. What hormone acts in the opposite way to insulin?
44. What causes type 1 diabetes and how could type 1 diabetes be controlled?
45. What causes type 2 diabetes give 2 ways type 2 diabetes can be controlled?
46. Where is insulin produced?
47. What is phototropism?
48. If a tropism is positive, what does this mean?
49. What is geotropism?
50. Name a plant hormone.
51. What effect does light have on auxin?
52. What is a drug?
53. Complete this table to list the 4 main types of drug, how they affect the body and an example of each.
Type of drug
54.
55.
56.
57.
58.
59.
60.
61.
62.
63.
64.
65.
66.
67.
68.
69.
70.
Example
Effect on body
Name the addictive drug in cigarette smoke.
What does the term ‘carcinogen’ mean?
Which chemical in cigarette smoke is a carcinogen?
State 2 short term effects of alcohol use.
State 2 longer term effects of alcohol use.
Name three groups of pathogens
What disease is increasing in hospitals due to antibiotic resistance?
What does an antiseptic do?
Give two chemical methods a human uses to avoid infection.
What do parasites do to their host?
What is the advantage of the ox pecker bird to the ox?
Where would you find mistletoe growing?
What type of relationship is where 2 organisms live together and both benefit?
What do cleaner fish eat?
Describe three ways that C02 can get into the environment.
What group of plants have nitrogen fixing bacteria in their roots?
What type of bacteria turn nitrogen from the air into nitrates?
B1 Knowledge test Answers
1.
Kingdom
Animalia
Protoctista
2 features
multicellular, no cell walls, no chlorophyll, feed
heterotrophically
multicellular, have cell walls, have chlorophyll, feed
autotrophically
multicellular, have cell walls, no chlorophyll, feed
saprophytically
unicellular, have a nucleus
Prokaryote
unicellular, have no nucleus
Plantae
Fungi
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
Cannot reproduce without a host, cannot move, not made of cells, doesn’t have a cell membrane
A group of similar organisms that can reproduce to give fertile offspring
Some organisms reproduce asexually. Some hybrids are fertile.
Backbone/supporting rod
Variation, ring species, hybridisation
Gills, lungs, skin
Lays eggs
Maintain their body temperature (warm blooded)
The offspring of two plants or animals of different species or varieties, such as a mule.
Variation
Homo sapien
Mammals, birds
Continuous e.g. height, weight and discontinuous e.g. eye colour, hair colour, blood group
15.
16. Genes and environment
17. A change in an organisms DNA
18. Variation, Over production, struggle for existence, survival, advantageous characteristic inherited, gradual
change
Feature
Reason
19.
20. A section of DNA/a chromosome that codes for a
Small ears
Reduce heat loss
particular characteristic.
Thick fur
Insulation
21. A version of a gene
22.
23.
24.
25.
Any letter Hh
hh
The outward characteristics caused by the genes
Painful joints, fatigue, shortness of breath, irregular
heart beat, jaundice
Large feet
Spread weight, help
swimming, stop it
sinking in the snow
Rough soles
Grip
Thick blubber
Insulation
White fur
Camouflage
26. Persistent cough, recurrent chest infections, mucus in the lungs, infertility, underweight, does not produce
digestive enzymes
27. The maintenance of a stable internal environment
28. Hypothalamus
29. Evaporation
30. Vasodilation allowing more blood to the skins surface to increase heat energy loss
31. When a change in one direction is detected a mechanism reverses the change.
32. Brain and Spinal cord
33. Light sensitive cells in the retina
34. Axon
35. Connect neurones
36. The junction between two neurones, Neurotransmitter
37. Fat, Insulate the axon
38. Reflex
39. Blood
40. Insulin
41. Glycogen
42. Liver and muscles
43. Glucagon
44. Lack of insulin, Controlled diet and injecting insulin
45. A person being resistant to insulin, Physical activity and diet
46. Pancreas
47. A growth response to light
48. Towards the stimulus
49. A growth response to gravity
50. Auxin or gibberellin
51. Breaks it down
52. A chemical that causes a change
53. .
Type of drug
Painkiller
Depressant
Stimulant
Hallucinogen
54.
55.
56.
57.
58.
59.
60.
61.
62.
63.
64.
65.
66.
67.
68.
69.
70.
Example
Morphine
Alcohol
Caffeine
LSD
Effect on body
Blocks nervous impulses
Slows reactions
Speeds up reactions
Distorts/changes senses and
perceptions
Nicotine
Causes cancer
Tar
Blurred vision, lowering of inhibitions, slowing of reactions (Not gets you drunk)
Liver cirrhosis, brain damage
Bacteria, virus, fungi, protozoa
MRSA
Kills bacteria outside the body
Lysosyme in tears, stomach acid, mucus
Feeds off them
Eats parasitic insects from it
On another tree
Mutualism
Dead skin from other fish
Respiration, burning fossil fuels, decomposition
Legumes
Nitrogen fixing bacteria