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Worksheetscoordinated workout complete part 1
Total questions: 70
Worksheet time: 35mins
What is produced by anaerobic respiration in yeast?
Lactic acid and carbon dioxide
Lactic acid only
Carbon dioxide and ethanol
Carbon dioxide only
Which row correctly shows the what is produced during aerobic respiration?
A
B
C
D
Which row correctly describes anaerobic respiration in yeast?
A
B
C
D
What is the word equation for aerobic respiration in plants?
carbon dioxide + water ---> glucose + oxygen
glucose + oxygen ---> carbon dioxide + water
Glucose + carbon dioxide ---> oxygen + water
glucose + water ---> carbon dioxide + oxygen
Which of the processes listed depend on the action of enzymes?
1 and 2
1 and 3
1 only
2 and 3
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 represents two liquids separated by a membrane through which osmosis can occur. What movement of molecules will occur.
Molecules of the dissolved substance move from left to right
Molecules of dissolved substance move from right to left
Overall, water molecules move from left to right
Overall, water molecules move from right to left
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
Which diagram shows the appearance of a plant cell after it is placed in distilled water.
A
B
C
D
A balanced diet contains...
The necessary nutrients to meet your energy needs and keep you healthy
Lots of Protein and no fat
Carbohydrates, fats and proteins in equal amounts
Meat, vegetables and fruit
Which of these would be high in carbohydrates?
Potatoes
Bread
Eggs
Mango
Butter
Which of these could result from a deficiency of vitamin D.
Rickets
Scurvy
Anaemia
Obesity
What is the result of a diet low in roughage (fibre)?
Constipation
Anaemia
Diarrhoea
Scurvy
Which of these nutrients are primarily used for energy?
Carbohydrates
Fats (Lipids)
Proteins
Minerals
Vitamins
Which of these disease can be are caused by an unbalanced diet with too much fat?
Coronary heart disease
Obesity
Starvation
Constipation
The taking in of substances e.g. food and drink into the body via the mouth
Nutrition
Ingestion
Absorption
Assimilation
This picture shows a process where large insoluble molecules are broken into small water-soluble ones. Name the process.
Digestion
Protease
C, H, O, N
Nutrition
Which letters indicate organs where mechanical digestions occurs?
A
B
C
D
What is the breakdown of food into smaller pieces without chemical change to the food molecules?
Mechanical digestion
Bile
Surface area
Chemical digestion
In this villus structures P and Q absorb different nutrients. What do P and Q absorb?
P: Amino acids, Q: Glucose
P: Fatty acids, Q: Maltose
P: Glucose, Q: Fatty acids
P: Sucrose, Q: Amino acids
The image shows vascular bundles in a ...
Stem
Root
Leaf
Fruit
What is this and what is it's function?
Cell wall - gives structure and prevents bursting
Cell membrane - gives structure and prevents bursting
Cell wall - Controls what can enter and leave a cell
Cell membrane - Controls what can enter and leave a cell
What is this organelle called?
Chlorophyll
Chloroplast
Photosynthesis
Glucose and oxygen
What would you find inside this structure?
Genetic material
Controls the cell
Chlorophyll
Cytoplasm
Sunflowers have yellow flowers. Which cell structure is found in sunflower leaves but NOT in the petals?
Cell Membrane
Cell wall
Chloroplast
Vacuole
A
B
C
D
Which graph shows the effect of light on photosynthesis, if all other factors are kept constant?
A
B
C
D
In which tissue does translocation occur and what is the substance that is translocated?
A
B
C
D
Which statement about photosynthesis and respiration in plants is correct?
Plant only do photosynthesis, not respiration.
Plants to both photosynthesis and respiration all the time.
Plants do photosynthesis in the day and respiration at night
Plants photosynthesis in the light and respire all the time.
Why do plants need nitrate ions from the soil
To make amino acids so they can produce protein
To make amino acids for energy
To make osmosis work correctly
To neutralise the acid in their cells
The coordinators of central nervous system are…
pituitary glands
endocrine glands
brain and spinal cord
skin and blood vessels
Which statement about the pulmonary artery is correct?
It carries deoxygenated blood away from the heart
It carries oxygenated blood towards the heart
It carries oxygenated blood away from the heart
It carries deoxygenated blood towards the heart
During gas exchange in human lungs, which gases show a net diffusion into or out of the blood capillaries?
A
B
C
D
A boy is frightened and his heart rate increases and pupils dilate. Following this response, which blood vessel carries the adrenaline to the organ where it will be destroyed?
Hepatic artery
Pulmonary artery
Renal artery
Vena Cava
Which order will the blood travel through the numbered blood vessels?
1 , 2 , 3 , 4
1 , 2 , 4 , 3
3 , 4 , 2 , 1
4 , 3 , 2 , 1
Which blood vessel carries blood away from the kidneys?
Renal vein
Renal artery
Hepatic vein
Vena Cava
Which two blood vessels are arteries?
1 and 2
2 and 3
3 and 4
4 and 1
What term is given to an organism that carries two identical alleles of a gene
heterozygous
homozygous
dominant
recessive
What term is given to an organism that carries two different alleles of a gene
homozygous
dominant
heterozygous
recessive
What term is used to describe the alleles that a person carries for a gene
genotype
dominant
phenotype
recessive
What term is used to describe the observable features that an organism has due to the alleles that it carries?
genotype
inheritance
phenotype
dominant characteristic
What word is used to describe the transmission of genetic information from generation to generation?
phenotype
genotype
allele
inheritance
What word is used to describe a version of a gene?
genotype
phenotype
allele
chromosome
What word is used to describe a thread-like structure of DNA that carries genes?
nucleus
chromosome
genotype
phenotype
Which of the following is true of a dominant allele?
I. it is always expressed if it is present
II. two copies are needed to show its feature
III. it always causes a genetic disease
I only
I and II only
II only
I and III only
Which of the following is true of a recessive allele?
I. it is only expressed if the dominant allele is absent
II. two copies are needed to show its feature
III. it always causes a genetic disease
I only
I and II only
II only
I, II and III
How many alleles for each gene are carried in all body cells?
1
2
3
4
How many alleles for each gene are carried in the sex cells (gametes)?
1
2
3
4
What is a zygote?
A bundle of cells
A single fertilised egg cell
A hollow ball of cells
An organism with specialised tissues
Y = Vein
Z= Capillary
Y = Capillary
Z= Vein
Y = Artery
Z= Capillary
Y = Capillary
Z= Artery
Why did population of white peppered moths decrease during the industrial evolution?
White moths were better camouflaged so they, survived and bred.
Black moths were better camouflaged so they, survived and bred.
White moths were better camouflaged so they were more likely to be eaten by predators.
Black moths were better camouflaged so they were more likely to be eaten by predators.
Which one is Selective Breeding?
Humans artificially Select which animals Breed to get the best possible offspring
Transferring a gene responsible for desirable characteristics from one organism to another
The graph shows the results.
At which pH is this enzyme most active?
What element is in protein, but not carbohydrates or lipids?
Carbon
Oxygen
Hydrogen
Nitrogen
What is the test called for proteins?
Biuret Test
Benedict's Reagent
Iodine
Ethanol Emulsion
What is the test called for starch?
Biuret Test
Benedict's Reagent
Iodine
Ethanol Emulsion
The carbohydrate that is normally used for respiration is
maltose
starch
sucrose
glucose
We can test for the presence of sugars by adding Benedict's Reagent solution to food and heating it. Which colour represents the presences of reducing sugars?
blue
purple
green
brick red
Animals store ______________in the form of polysaccharide glycogen.
carbohydrate
proteins
lipids
Biuret is the test for protein. What colour does Biuret change to when there is a positive result for protein?
blue to purple
purple to blue
blue to white
white to purple
A hormone is a chemical substance produced by ...
A gland
The liver
A target organ
The blood
The hormone auxin has what effect on plant cells in the shoot tips of plants?
Makes them grow longer
Prevents them from growing
Makes them move to the dark side
Negative phototropism
I. High surface area
II. Thin walls
III. Dry surfaces
How many chromosomes would a human skin cell have in the nucleus?
23
46
12
4
How many chromosomes would a human red blood cell have in the nucleus
46
23
0
12
