NEW
Font size
WorksheetsGrade 10: Assessment Test Paper 1
Total questions: 20
Worksheet time: 10mins
Which enzyme breaks down fat?
amylase
carbohydrase
lipase
protease
Which factor below is NOT necessary for photosynthesis to occur?
carbon dioxide
chlorophyll
oxygen
water
Which organelle in plant cells contains the pigment that makes leaves green?
cell wall
chloroplast
mitochondria
vacuole
Which gas always ENTERS a leaf?
carbon dioxide
nitrogen
oxygen
water vapour
What us the total number of teeth in the mouth of an adult male?
16
26
32
38
Which process pushes a bolus of food down the esophagus?
absorption
assimilation
chemical digestion
peristalsis
Sunlight and chlorophyll are needed for photosynthesis. What compounds are needed for this reaction to occur?
carbon dioxide and water
glucose and water
oxygen and water
oxygen and carbon dioxide
In the digestive system, which structure produces enzymes that act upon carbohydrates, fats and proteins?
esophagus
pancreas
stomach
liver
Which of the products of digestion are absorbed into the part labelled Number 4?
amino acids and glucose
amino acids and fatty acids
fatty acids and glycerol
glucose and glycerol
If plant cells are placed in distilled water, they will swell up and become turgid. What term describes the process by which water moves into the cell?
active transport
osmosis
plasmolysis
transpiration
The diagram shows four organs of the digestive system. Which organ contains villi?
The diagram represents a type of tooth. Six year old Shannen is missing all of her teeth like the one shown. What problem will she experience when eating? She will have difficulty......
biting off pieces of food
chewing her food
grinding her food
tearing off pieces of food
Which term describes the effect of gravity on the growth of a plant's root?
geotropism
hydrotropism
phototropism
thigmotropism
What is the ratio of milk teeth to permanent teeth?
2:3
5:8
10:12
22:30
Which structure in the leaf regulates transpiration and gas exchange?
guard cell
palisade cell
waxy cuticle
xylem tube
A substrate molecule fits exactly into the active site of an enzyme. Which statement below best describes this property?
enzymes are easily denatured
enzymes are protein in nature
enzymes are sensitive to pH
enzymes are specific in their reaction
In a leaf, photosynthetic tissues are found beneath which structure?
cortex
epidermis
pith
periderm
Which structure in the leaf contains the most chloroplast cells?
guard cell
palisade mesophyll layer
spongy mesophyll layer
xylem
Which type of cell lacks chlorophyll?
guard cell
palisade mesophyll
spongy mesophyll
xylem
Which is the correct word equation for photosynthesis?
glucose + oxygen = carbon dioxide + water
oxygen + water = glucose + carbon dioxide
carbon dioxide + water = glucose + oxygen
energy + carbon dioxide + glucose = oxygen
