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WorksheetsLevel 3 - end of year quiz
Total questions: 22
Worksheet time: 11mins
To see a cell membrane clearly, I'd need to use
an electron microscope
a light microscope
a telescope
a magnifying glass
I'm a single-celled prokaryote with a circular loop of DNA. I have a flagellum to help me move, and a strong cell wall. What am I?
A virus
A bacterium
A fungus
An alien
I am part of a multi-cellular organism. I contain a vacuole and chloroplasts. My cell wall is made of cellulose. What am I?
A liver cell
An animal cell
A bacterium
A plant cell
In leaves, gas exchange mainly occurs in the
palisade mesophyll
spongy mesophyll
epidermis
xylem
Name the pores in a plant leaf that allow air to enter by diffusion
(a)
Which answer correctly describes how plants transport substances?
Water in the phloem and nutrients in the xylem
Water in the xylem and nutrients in the phloem
Starch and glucose in the phloem, mineral ions in the xylem
Sucrose in the phloem and oxygen in the xylem
Tick all the features of an arthropod
Jointed legs
Segmented body
Warm-blooded
Can only reproduce asexually
Exoskeleton
You find an unknown species. It has hair, gives birth to live young and feeds them with milk. It is warm-blooded. You conclude that it is
An invertebrate
An arthropod
A mammal
A reptile
A vertebrate
Name the organelles in which aerobic respiration occurs
(a)
Where are proteins made in the cell?
Nucleus
Vacuole
Mitochondria
Ribosomes
Diffusion occurs
in water only
from an area of higher concentration to an area of lower concentration
from an area of lower concentration to an area of higher concentration
only across a partially-permeable membrane
One of these facts about active transport is INCORRECT - which one?
It requires transport proteins
It moves molecules from an area of higher concentration to an area of lower concentration
It goes against the concentration gradient
It requires energy
Lipids are broken down into ______________ and ______________
(a)
Tick the correct answer, showing the digestion of complex carbs into simple sugars
Glucose --> Starch --> Maltose
Starch --> Maltose --> Glucose
Starch --> Glucose --> Maltose
Starch --> Sucrose --> Glucose
Name the organ that produces lipase and amylase enzymes
Liver
Pancreas
Small intestine
Gall bladder
Bile (a) fats, breaking the large droplets into tiny ones
Enzymes can be (a) by high temperatures or extreme pH.
The action of bile speeds up the digestion of lipids because
it increases the surface area of the fat droplets, so the enzymes can digest them more rapidly
bile begins the process of chemical digestion
bile is acidic, and lipase has an acidic optimum pH
Which is the balanced chemical equation for photosynthesis:
C6H12O6 + 6O2 --> 6CO2 + 6H2O
6CO2 + 6H2O --> C6H12O6 + 6O2
6CO2 + C6H12O6 --> 6O2 + 6H20
What is oxygen debt? Tick the correct answer
The extra oxygen needed to break down lactic acid that accumulated during anaerobic respiration
What we get when we inhale and exhale rapidly
Caused by too much aerobic respiration
Produced by lactic acid building up in the muscles during aerobic respiration
One of these factors does NOT increase the rate of transpiration
Increased humidity
Larger surface area
Open stomata
Increased air movement
Increased temperature
Name the tiny hair-like structures inside the bronchi, which move trapped particles out of the lungs
(a)
