What is the difference between fitness and health?
Fitness - ability to do physical activity. Health - being free from diseases.
2 of 30
How does smoking increase blood pressure?
Carbon monoxide causes the blood to carry less oxygen because it combines with haemoglobin OR Nicotine increases heart rate
3 of 30
How is the risk of getting heart disease increased?
High levels of Salt OR High levels of Saturated Fat
4 of 30
Where are carbohydrates stored?
In the liver
5 of 30
Where are fats stored?
Under the skin and around organs
6 of 30
What is the difference between a first class and a second class protein?
A first class protein contains all essential amino acids that cannot be made by the body; a second class does not.
7 of 30
BMI = ...
mass in kg/(height in m)^2
8 of 30
Malaria is caused by a protozoan called...
Plasmodium.
9 of 30
What is the difference between benign and malignant tumour cells?
Benign cells divide slowly and are harmless, malignant display uncontrolled growth and may spread.
10 of 30
Which blood cell is used to produce antibodies?
White Blood Cells.
11 of 30
What happens during vaccination?
A harmless pathogen is injected. The antigens trigger a response by the white blood cells, producing the correct antibodies. Memory cells remain in the body.
12 of 30
True/False - excessive use of antibodies has resulted in resistant forms of bacteria.
True - for example, resistant MRSA had thrived.
13 of 30
Which part of the eye contains light receptors?
The retina.
14 of 30
True/false - humans have binocular vision.
True - this helps judge distance by comparing images from each eye.
15 of 30
If someone is shortsighted, which lens is used to correct their vision?
A concave lens.
16 of 30
Nerve cells are called...
Neurones.
17 of 30
True/false - the gap between neurones is called a response.
False - it is called a synapse.
18 of 30
Name two types of drugs.
ANY TWO FROM: Depressants, Painkillers, Stimulants, Hallucinogens, Performance Enhancers.
19 of 30
Cirrhosis of the liver is...
When liver breaks down toxic chemicals.
20 of 30
True/false - homeostasis involves balancing bodily inputs and outputs.
True.
21 of 30
What is the optimum temperaure for enzymes?
37 degrees celsius.
22 of 30
Which gland monitors blood temperature?
The hypothalamus gland.
23 of 30
Which hormone controls blood sugar levels?
Insulin.
24 of 30
Phototropism is...
A plant's growth response to light.
25 of 30
Auxins are made in which parts of the plant?
The root and shoot tip.
26 of 30
Name ONE commercial use of plant hormones.
ANY ONE FROM: Selective Weedkillers, Rooting Powder, Dormancy Control, Fruit Ripening Control.
27 of 30
True/false - dominant and recessive characteristics depend on the chromosones.
False - they depend on alleles, different versions of the same gene.
28 of 30
What is the chance of someone having two X chromosones?
1/2.
29 of 30
A monohybrid cross involves...
Only one pair of characteristics controlled by a single gene; one allele being dominant and one being recessive.
30 of 30
Other cards in this set
Card 2
Front
What is the difference between fitness and health?
Back
Fitness - ability to do physical activity. Health - being free from diseases.
Card 3
Front
How does smoking increase blood pressure?
Back
Card 4
Front
How is the risk of getting heart disease increased?
Comments
No comments have yet been made