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Duplicate of National 5 Biology - Unit 2 Flashcards | StudBud
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Duplicate of National 5 Biology - Unit 2
Duplicate of National 5 Biology - Unit 2
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National 5 Biology Unit 2 quiz
Flashcards
45 cards
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Practice quiz
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Questions
45
Answers
1
Which process moves food through the digestive system?
Peristalsis
Fertilisation
Osmosis
Diffusion
2
Which of the following plant cells contain chloroplasts?
Phloem
Palisade mesophyll
Xylem
Stomata
3
Which cells carry water up the stem?
Xylem
Phloem
Root hair cells
Vein
4
Which is the correct order of neurones in the reflex arc?
Sensory > Motor > Relay
Sensory > Relay > Motor
Relay > Sensory > Motor
Relay > Motor > Sensory
5
Which blood vessel provides the heart muscle itself with oxygen?
Pulmonary Vein
Aorta
Coronary Artery
Pulmonary Artery
6
Which of the following is NOT a feature of red blood cells?
Have a biconcave shape
Have a large surface area
Contain haemoglobin
Have a nucleus
7
What is absorbed into the lacteals of villi in the small intestine?
Glucose
Water
Fatty acids and glycerol
Amino Acids
8
What is the site of production of non-specialised cells in plants?
Meristem
Xylem
Stomata
Phloem
9
Which hormone do Type 1 diabetics inject to control their blood glucose levels?
Glucagon
Insulin
Oestrogen
Adrenaline
10
Spell "National 5 Biology" backwards
ygoloib5alnoitan
ygoloib5lanoitan
yogloib5lanoitan
ygoloib5laniotan
11
In which process do the nuclei of 2 haploid games fuse to form a diploid zygote?
Fertilisation
Osmosis
Germination
Diffusion
12
The name of the gametes in flowering plants are....
Pollen and egg
Sperm and ovule
Sperm and egg
Pollen and ovule
13
Insulin and glucagon act on which organ?
Stomach
Small intestine
Pancreas
Liver
14
Which of the following is a feature of alveoli?
Good blood supply
All of the above
Large surface area
Thin walls
15
Which blood vessel carries deoxygenated blood from the tissues to the heart?
Pulmonary Artery
Pulmonary Vein
Vena Cava
Aorta
16
Which heart chamber pumps oxygenated blood all around the body?
Right Atrium
Left Atrium
Left Ventricle
Right Ventricle
17
Which hormone is released in response to low blood glucose levels?
Testosterone
Insulin
Glycogen
Glucagon
18
When would transpiration rate in plants (loss of water via stomata) by highest?
Dry and windy conditions
Wet and calm conditions
Dry and calm conditions
Wet and windy conditions
19
Which blood vessels carries oxygenated blood from the lungs to the heart?
Aorta
Pulmonary Artery
Pulmonary Vein
Vena Cava
20
Which type of blood vessel contains valves?
All of the above
Capillary
Artery
Vein
21
Which of the following shows organisation in animals, from smallest to largest?
System > Organ > Cell > Tissue
Tissue > Cell > Organ > System
Organ > Cell > Tissue > System
Cell > Tissue > Organ > System
22
Which part of the brain controls breathing rate and heart rate?
Hypothalamus
Medulla
Cerebrum
Cerebellum
23
What is the function of phloem?
To transport sugar
To transport blood
To transport water
To keep thing phlowing
24
Which hormone is released in response to high blood glucose levels?
Testosterone
Insulin
Glucagon
Glycogen
25
Which type of protein detects sensory stimuli e.g. pain?
Receptor
Enzyme
Hormone
Antibody
26
Which system transports oxygen and nutrients to cells and removes carbon dioxide?
Digestive
Circulatory
Nervous
Reproductive
27
Which shows the correct order of the respiratory system?
Alveoli > Bronchi > Bronchioles > Trachea
Trachea > Bronchioles > Bronchi > Alveoli
Bronchi > Bronchioles > Alveoli > Trachea
Trachea > Bronchi > Bronchioles > Alveoli
28
Which of the following is NOT an example of discrete variation?
Eye colour
Height
Ability to roll tongue
Blood type
29
What name is given to an individual with the genotype Bb?
Heterozygote
Dominant
Recessive
Homozygote
30
Through which cells does water enter plants by osmosis?
Xylem
Guard cells
Root hair cells
Phloem
31
Where are stomata located on leaves?
Palisade epidermis
Lower epidermis
Upper epidermis
Spongy epidermis
32
When hormones reach their target tissues they bind specifically to....
Receptors
Enzymes
Antibodies
Collagen
33
Which parts make up the central nervous system?
Nerves and spine
Nerves and spinal cord
Brain and spinal cord
Brain and spine
34
Which of the following correctly describes arteries?
Thin walls, low pressure blood, wide channel
Thin walls, high pressure blood, narrow channel
Thick walls, high pressure blood, narrow channel
Thick walls, low pressure blood, wide channel
35
Which term is used to describe the gap between neurones?
Cytoplasm
Hippocampus
Synapse
Bridge
36
Which type of gland release hormones into the blood?
Chemical
Protein
En
Endocrine
37
Which of the following correctly describes veins?
Thick walls, high pressure blood, wide channel
Thick walls, high pressure blood, narrow channel
Thin walls, low pressure blood, wide channel
Thick walls, low pressure blood, narrow channel
38
Insulin and glucagon are produced in which organ?
Pancreas
Liver
Stomach
Small Intestine
39
If blood glucose levels are too high then what does insulin convert glucose to for storage?
Glycogen
Glucagon
Fructose
Maltose
40
B is brown eyes, b is blue eyes. A person of genotype Bb has brown eyes. b is, therefore,.....
Recessive
Phenotype
Dominant
Genotype
41
What name is given to an individual with the genotype BB or bb?
Dominant
Homozygote
Recessive
Heterozygote
42
Which type of cell opens and closes stomata?
Lower epidermis
Spongy mesophyll
Guard cell
Palisade mesophyll
43
Which material helps xylem remain upright?
Lignin
Glucose
Cellulose
Starch
44
Which of the following is NOT an example of continuous variation?
Height
Length of shell
Weight
Eye colour
45
Which of the following cells are haploid?
Skin
Liver
Neurone
Sperm