WorksheetsY9 POP QUIZ
Total questions: 40
Worksheet time: 21mins
Which of the following shows the balanced chemical symbol equation for photosynthesis?
A
B
C
D
What substance can glucose be converted to, which is the transport carbohydrate of plants?
starch
cellulose
sucrose
amino acids
What substance can glucose be converted into, which is the energy storage carbohydrate of plants?
cellulose
sucrose
amino acids
starch
Which substance can glucose be converted to, which strengthens plant cell walls?
starch
cellulose
amino acids
sucrose
Which of the following organelles would you not expect to be present in onion root cells?
cell wall
vacuole
chloroplast
mitochondrion
All of the definitions below are descriptions of a 'limiting factor'.
Which of these is the IGCSE Biology definition?
a factor in the environment that runs out
something present in the environment in such short supply that it restricts life processes
a factor in the environment that is in short supply
something present in the environment in such short supply that it stops life processes
Why is the chemical sodium hydrogencarbonate given to water plants in photosynthesis practicals?
it is used to produce chlorophyll
it allows the plant to respire
it supplies the plant with CO2 gas when it dissolves
it is a source of glucose
All of the statements below are correct definitions of photosynthesis.
Which of these is the IGCSE Biology definition of photosynthesis?
the process that produces glucose and oxygen, using CO2, water, light and chlorophyll
the process that converts light energy into chemical energy
the process by which plants produce carbohydrates from raw materials using light energy
the process that converts inorganic compounds into organic compounds
What are the products when oil is digested?
amino acids and glycerol
fats and amino acids
fatty acids and glycerol
Which result with the biuret test would show protein is present?
blue
green
orange
purple
The ribs are lowered as we breathe out. Which characteristic of living organisms does this illustrate?
growth
movement
respiration
sensitivity
Enzymes are biological catalysts.To which group of compounds do enzymes belong?
carbohydrates
fats
hormones
proteins
An enzyme from the alimentary canal has an optimum activity at an acidic pH. Which statement is correct?
The enzyme is an amylase and is found in the mouth
The enzyme is a protease and is found in the mouth.
The enzyme is an amylase and is found in the stomach.
The enzyme is a protease and is found in the stomach.
A biuret test on a sample of food is positive. Which nutrient does this result show to be present?
fat
glucose
protein
vitamin C
What is meant by osmosis?
The diffusion of water molecules from a region of their higher concentration to a region of their lower concentration as a result of their random movement.
The diffusion of water molecules from a region of their higher concentration to a region of their lower concentration through a partially permeable membrane.
The diffusion of water molecules from a region of their lower concentration to a region of their higher concentration as a result of their random movement.
The diffusion of water molecules from a region of their lower concentration to a region of their higher concentration through a partially permeable membrane.
The balanced equation for photosynthesis is shown.
What is X?
C6H12O6
C6H12O12
C12H6O6
C12H12O2
Which statements are correct for all enzymes?
1 They are proteins.
2 They are unaffected by temperature.
3 They speed up chemical reactions.
4 They work best at a high pH.
1, 2 and 4
1 and 3 only
1, 3 and 4
2 and 4 only
What does it mean to classify animals?
to capture it for scientific research
to put into a group with other animals that are similar
to release it into the wild
to study it in its natural environment
Diffusion is the net movement of molecule from a region of ...1...to region of ...2....
1: lower concentration, 2: higher concentration
1: higher concentration, 2: lower concentration
1: lower concentration, 2: lower concentration
1: higher concentration, 2: higher concentration
Boiling potatoes destroys their cell membranes. A peeled, boiled potato strip is placed in a concentrated solution of salts. What takes place?
Osmosis and the diffusion of the solute
Osmosis but no diffusion of the solute
Diffusion of the solute but no osmosis
Neither diffusion of solute nor osmosis
The diagram shows the cells in the epidermis of a leaf. Which parts are partially permeable?
P and Q
Q and R
R and S
P and S
The diagram shows a plant cell before and after being placed in liquid X for 30 minutes, and an animal cell before and after being placed in liquid Y for 30 minutes. What describes liquids X and Y?
X: Concentrated solution, Y: Concentrated solution
X: Concentrated solution, Y: Pure water
X: Pure water, Y: Concentrated solution
X: Pure water, Y: Pure water
The diagram shows an experiment using a potato. Which shows the result after 24 hours?
A
B
C
D
The diagram shows a freshly cut potato strip, a strip suspended in liquid X and one suspended in liquid Y. What identifies the liquids?
X: Concentrated sugar solution, Y: very dilute sugar solution
X: pure water, Y: dilute sugar solution
X: Dilute sugar solution, Y: Concentrated sugar solution
X: pure water, Y: concentrated sugar solution
The diagram shows two solutions that are separated by a partially permeable membrane. In which direction will most water molecules move in relation to their concentration gradient?
From X to Y against the water potential gradient
From X to Y down the water potential gradient
From Y to X against the water potential gradient
From Y to X down the water potential gradient
Chloroplasts are never found in animal cells. In plant cells, though, they are present, and they contain ____________________.
A green pigment called chlorophyll.
Glycogen granules, or "glycosome".
Endoplasmic Reticulum
The graph shows the results.
At which pH is this enzyme most active?
Which of the following is not a process of life carried out by all living things?
sensitivity
photosynthesis
growth
respiration
Which of the following groups contains the most organisms?
kingdom
order
genus
species
The binomial name of a leopard is Panthera pardus.
The binomial name of a lion is Panthero leo.
Which of the following must be true about the leopard and lion?
They are the same species but a different genus.
They are the in the same family but a different genus.
They are in the same genus but different species.
They are in different families but the same genus.
Mammals are warm-blooded.
Which other vertebrate group is warm-blooded?
birds
reptiles
amphibians
fish
Which of the following kingdoms is always unicellular?
plant
fungi
prokaryote
animal
Which of the following features is true for all arthropods?
six legs
wings
exoskeleton
simple eyes
Which of the following invertebrate groups are arthropods?
jellyfish
sponges
crustaceans
worms
Which of the following is true of monocotyledon plants?
They do not produce flowers
Their leaves are broad and wide
Their leaves have branching veins
Their flowers are usually in multiples of 3
Which of the following is true of fern plants?
They do not have cell walls
They have leaves called spines
They reproduce using seeds
They do not produce flowers
