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N5 Biology - Unit 2 Flashcards | StudBud
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N5 Biology - Unit 2
N5 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
Insulin and glucagon act on which organ?
Pancreas
Stomach
Small intestine
Liver
2
Which cells carry water up the stem?
Vein
Phloem
Root hair cells
Xylem
3
Where are stomata located on leaves?
Lower epidermis
Spongy epidermis
Upper epidermis
Palisade epidermis
4
Spell "National 5 Biology" backwards
ygoloib5alnoitan
ygoloib5lanoitan
ygoloib5laniotan
yogloib5lanoitan
5
Which hormone is released in response to high blood glucose levels?
Glycogen
Insulin
Testosterone
Glucagon
6
The name of the gametes in flowering plants are....
Sperm and ovule
Pollen and egg
Sperm and egg
Pollen and ovule
7
When would transpiration rate in plants (loss of water via stomata) by highest?
Dry and calm conditions
Dry and windy conditions
Wet and windy conditions
Wet and calm conditions
8
Which of the following correctly describes veins?
Thick walls, high pressure blood, narrow channel
Thin walls, low pressure blood, wide channel
Thick walls, low pressure blood, narrow channel
Thick walls, high pressure blood, wide channel
9
B is brown eyes, b is blue eyes. A person of genotype Bb has brown eyes. b is, therefore,.....
Recessive
Phenotype
Genotype
Dominant
10
Insulin and glucagon are produced in which organ?
Pancreas
Liver
Small Intestine
Stomach
11
Which of the following is a feature of alveoli?
All of the above
Thin walls
Large surface area
Good blood supply
12
What is the correct order of mitosis?
V Z U W X Y
Z Y X W V U
V Y U W X Z
V Z U X W Y
13
Which is the correct order of neurones in the reflex arc?
Inter > Motor > Sensory
Sensory > Inter > Motor
Sensory > Motor > Inter
Inter > Sensory > Motor
14
Which type of cell opens and closes stomata?
Palisade mesophyll
Spongy mesophyll
Guard cell
Lower epidermis
15
Which term is used to describe the gap between neurones?
Hippocampus
Cytoplasm
Bridge
Synapse
16
Which shows the correct order of the respiratory system?
Trachea > Bronchi > Bronchioles > Alveoli
Bronchi > Bronchioles > Alveoli > Trachea
Trachea > Bronchioles > Bronchi > Alveoli
Alveoli > Bronchi > Bronchioles > Trachea
17
Which hormone do Type 1 diabetics inject to control their blood glucose levels?
Insulin
Adrenaline
Oestrogen
Glucagon
18
Which of the following shows organisation in animals, from smallest to largest?
Cell > Tissue > Organ > System
Tissue > Cell > Organ > System
System > Organ > Cell > Tissue
Organ > Cell > Tissue > System
19
Which of the following is NOT an example of discrete variation?
Blood type
Height
Ability to roll tongue
Eye colour
20
Which part of the brain controls breathing rate and heart rate?
Medulla
Hypothalamus
Cerebrum
Cerebellum
21
If blood glucose levels are too high then what does insulin convert glucose to for storage?
Fructose
Maltose
Glycogen
Glucagon
22
Which type of blood vessel contains valves?
Capillary
All of the above
Vein
Artery
23
Which system transports oxygen and nutrients to cells and removes carbon dioxide?
Nervous
Digestive
Reproductive
Circulatory
24
Which of the following cells are haploid?
Sperm
Neurone
Skin
Liver
25
Which hormone is released in response to low blood glucose levels?
Glycogen
Testosterone
Insulin
Glucagon
26
Which blood vessel carries deoxygenated blood from the tissues to the heart?
Aorta
Pulmonary Vein
Vena Cava
Pulmonary Artery
27
In which process do the nuclei of 2 haploid gametes fuse to form a diploid zygote?
Diffusion
Fertilisation
Germination
Osmosis
28
Which material helps xylem remain upright?
Cellulose
Starch
Lignin
Glucose
29
What name is given to an individual with the genotype Bb?
Heterozygote
Homozygote
Dominant
Recessive
30
Which type of gland release hormones into the blood?
Chemical
En
Protein
Endocrine
31
Which type of protein detects sensory stimuli e.g. pain?
Enzyme
Receptor
Hormone
Antibody
32
Which of the following plant cells contain chloroplasts?
Stomata
Phloem
Xylem
Palisade mesophyll
33
Which blood vessel provides the heart muscle itself with oxygen?
Pulmonary Artery
Pulmonary Vein
Aorta
Coronary Artery
34
Where do the chromosomes line up before the spindle fibres separate them?
Cell Membrane
Nuclear Membrane
Ribosome
Equator
35
Through which cells does water enter plants by osmosis?
Phloem
Guard cells
Root hair cells
Xylem
36
What name is given to an individual with the genotype BB or bb?
Dominant
Recessive
Heterozygote
Homozygote
37
Which heart chamber pumps oxygenated blood all around the body?
Left Atrium
Right Ventricle
Right Atrium
Left Ventricle
38
Which of the following is NOT an example of continuous variation?
Height
Weight
Eye colour
Length of shell
39
What is absorbed into the lacteals of villi in the small intestine?
Amino Acids
Water
Fatty acids and glycerol
Glucose
40
Which blood vessels carries oxygenated blood from the lungs to the heart?
Vena Cava
Aorta
Pulmonary Vein
Pulmonary Artery
41
When hormones reach their target tissues they bind specifically to....
Receptors
Collagen
Enzymes
Antibodies
42
Which parts make up the central nervous system?
Brain and spine
Brain and spinal cord
Nerves and spine
Nerves and spinal cord
43
What is the function of phloem?
To transport blood
To transport water
To transport nutrients
To keep thing phlowing
44
Which of the following is NOT a feature of red blood cells?
Have a large surface area
Have a nucleus
Have a biconcave shape
Contain haemoglobin
45
Which of the following correctly describes arteries?
Thick walls, low pressure blood, wide channel
Thick walls, high pressure blood, narrow channel
Thin walls, low pressure blood, wide channel
Thin walls, high pressure blood, narrow channel
