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IGCSE Biology- Plant & Animal Nutrition Flashcards | StudBud
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IGCSE Biology- Plant & Animal Nutrition
IGCSE Biology- Plant & Animal Nutrition
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Quiz about Chapter B4 and Chapter B5.
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
Correct order of the alimentary canal ?
Mouth, oesophagus, stomach, large intestine, small intestine
Mouth, oesophagus, stomach, small intestine, large intestine
Mouth, oesophagus, large intestine, small intestine, stomach
Mouth, oesophagus, small intestine, stomach, large intestine
2
What is the purpose of saliva ?
To allow us to taste
To keep the mouth clean
To make the breaking down and moving of food easier
3
Why is glucose not very good for storage in a leaf ?
It is soluble in water and reactive
It is not reactive enough
It does not dissolve in water
4
Which 3 simple inorganic substances do plants use to make their food ?
Oxygen, water & minerals
Oxygen, water & sunlight
Carbon dioxide, water & minerals
Carbon dioxide, water & sunlight
5
What is the disease called when the arteries supplying blood to the heart get narrow and harder ?
Scurvy
Rickets
Anaemia
Coronary heart disease
6
Glucose in a leaf will not always be completely used up, but stored as starch.
False
True
7
Plants get water from rain and humidity in the air.
True
False
8
Why are leaves thin ?
It allows sunlight to pass right through
To allow the gas exchange to happen as quickly as possible
It allows the leaf to absorb water faster
9
Which dietary compound is unlikely to be deficient in a meat-free diet ?
Fat
Protein
Vitamin D
Fibre
10
What is bile ?
A liquid that helps the body get rid of harmful substances
A liquid which creates enzymes
A liquid that neutralizes the acidic mixture in the stomach
11
Fats are broken down into amino acids.
False
True
12
Which of these is a guard cell ?
D
B
A
C
13
What causes Scurvy ?
Not taking in Vitamin D
Not taking in enough Vitamin C
Not taking in enough Calcium
Not taking in enough Iron
14
Which solution is used to test for starch ?
Iodine solution
Buriet solution
Ethanol solution
You can‘t test it
15
What job does the cuticle have in a leaf ?
It protects the inner layers
It prevents water evaporating from the leaf
It carries water and minerals
It contains the Chloroplasts
16
Where is the most water absorbed ?
D
C
B
A
17
How does Chlorophyll help the plant ?
It transports minerals through the leaf
It makes the leaves green and stable
It absorbs light energy and turns it into chemical energy
It protects the plant from harmful substances
18
Why do the walls of the stomach secrete hydrochloric acid ?
Enzymes are destroyed in acids
Enzymes work too fast in the small intestine
Enzymes don‘t work well in acid environments
19
Which of these formulas is the correct one for Photosynthesis ?
Oxygen + water -> carbon dioxide + glucose
Carbon dioxide + water -> glucose + oxygen
Carbon dioxide + sunlight -> oxygen + water
Water + minerals -> glucose + oxygen
20
Red meat contains saturated fat, which increases risks of heart disease.
True
False
21
Vitamins do not need to be digested.
True
False
22
What statement best describes the function of this tooth.
It grinds food
It cuts food
It bites into food
It tears food
23
In which organs does the digestion of carbohydrates take place ?
Q and S
Q and R
P and R
P and Q
24
What is iron mainly good for ?
For making haemogolobin
Bones and teeth
Keeping tissues in good repair
25
A lack of which dietary component can result in constipation ?
Fat
Fibre
Carbohydrate
Protein
26
What is chemical digestion ?
The breakdown of large insoluble molecules into small soluble ones
The breakdown of food inside the mouth
Small molecules being absorbed into the blood
27
What is the cell labelled X ?
Spongy mesophyll
Epidermis
Palisade Mesophyll
Guard cell
28
Saliva contains the enzyme lipaze.
True
False
29
What is meant by a deficiency disease ?
Not getting enough nutrients
Getting too many nutrients
Consuming the wrong type of nutrients
30
What are stomata ?
They carry substances in and out of the leaf
Tiny openings used for the gas exchange in plants
A thin protective layer inside the leaf
