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WorksheetsReview Biology S2
Total questions: 92
Worksheet time: 52mins
What element is generally absent in carbohydrates?
Carbon
Hydrogen
Oxygen
Nitrogen
Which one of the following is a complex carbohydrate
Galactose
Maltose
Glycogen
Sucrose
Which nutrient has the least amount of energy per gram
Carbohydrate
Fats
Protein
Which of the solution is used to test reducing sugar?
Benedict Solution
Biuret Reagant
Ethanol
Iodine Solution
What is the colour change when a large amount of reducing sugar is tested with a Benedict Solution?
It turns brick-red
It turns blue
It turns green
It turns lilac
What happens to the iodine solution if starch is not present in the tested sample?
Remains yellow
Turns yellow
Turns blue-black
Remains blue-black
Which nutrients are present in a plain, white bread?
Carbohydrate
Fiber
Vitamins
Protein
Which type of sugar is present in sugar cane
Maltose
Sucrose
Lactose
Fructose
Which of the following nutrient is mainly responsible for the production of sebum?
Fats
Carbohydrates
Protein
Vitamin C
Which of the following nutrients are not possible for the body to store and has to be taken daily?
Vitamin C
Protein
Vitamin A
Fats
Carbohydrates
What is protein broken down into?
Maltose
Amino Acid
Lactic Acid
Glucose
Sucrose
What is the deficiency disease that can arise from the lack of protein?
Kwashiorkor
Scurvy
Rickets
Leukemia
What is the colour change that occur when no protein reacted with Biuret Reagant
Turns Blue
Remains Blue
Turns Lilac
Remains Lilac
Which of the following nutrient has no energy value?
Fats
Protein
Carbohydrate
Vitamin
Which vitamin is lacking when scurvy occurs
Vitamin A
Vitamin E
Vitamin C
Vitamin D
Which of the following vessels has thin muscle wall and a large lumen?
Vein
Artery
Capillary
Aorta
Which vessel mainly transport deoxygenated blood?
Artery
Aorta
Capillary
Vein
Which of the following carries blood away from heart?
Vein
Artery
Capillary
Valve
Which blood vessel carries blood from the lungs to the heart?
Aorta
Vena cava
Pulmonary vein
Pulmonary artery
Which of the following has walls that are one cell thick and is a site for diffusion?
Vein
Artery
Capillary
Aorta
Blood flows from the vena cava into which chamber of the heart?
Left atrium
Right atrium
Left ventricle
Right ventricle
Which kind of blood is carried by the pulmonary veins?
Oxygenated
Deoxygenated
Blood flows out of the left ventricle through which of the following blood vessels?
Aorta
Vena cava
Pulmonary artery
Pulmonary vein
Which chamber of the heart has the thicker muscular walls?
Left atrium
Left ventricle
Right atrium
Right ventricle
All arteries carry oxygenated blood.
True
False
___________ carry blood at high pressure and ___________ carry blood at low pressure.
Arteries; veins
Capillaries; veins
Veins; arteries
Veins; capillaries
Identify the blood vessel labelled A.
Aorta
Pulmonary artery
Pulmonary vein
Vena cava
Identify the blood vessel labelled B.
Aorta
Pulmonary artery
Pulmonary vein
Vena cava
Identify the part labelled C.
Left atrium
Left ventricle
Right atrium
Right ventricle
What is the function of the blood vessel labelled D?
To transport blood from the heart to the lungs
To transport blood from the heart to the rest of the body.
To transport blood from the rest of the body to the heart.
To transport blood from the lungs to the heart.
What is the function of the blood vessel labelled A?
To transport blood from the heart to the lungs.
To transport blood from the heart to the rest of the body.
To transport blood from the lungs to the heart.
To transport blood from the rest of the body to the heart.
Which side of the heart has oxygenated blood?
Top
Bottom
Left
Right
Which of the following is NOT true about plasma?
Consist mainly of water
Pale yellow liquid
Transport blood
Transport waste materials
What is the function of median septum?
To prevent back flow of blood.
To help clotting of blood to close open wounds.
To transport useful substances and waste materials.
To separate oxygenated blood from deoxygenated blood.
In this type of system blood passes through the heart twice in one complete circuit.
Single Circulatory System
Double Circulatory System
Pulmonary System
Double Pulmonary System
Disease causing agents such as bacteria and viruses are called _______________.
pathogens
antibodies
villians
particles
What is the primary function of your immune system?
to create organelles
to protect your body from pathogens
to aid in blood circulation
to protect your bones and muscles
First line defenses include
skin
hair
mucus
all of the above
Skin protects a person from pathogens by _______________.
being thin and easy to allow things through
shedding occasionally
serving as a protective layer that keeps foreign objects out
allowing bacteria to enter if it is healthy
Which parts of the respiratory system keep pathogens from reaching the inside of your body? (select all that apply)
nose hair
lungs
mucus
blood
Select 3 ways that your digestive system works to protect you form pathogens that have entered your body on food?
by using stomach acids to neutralize the pathogen
causing you to vomit
causing you to have diarrhea
causing you to burp
White blood cells and inflammatory response is part of what line of defense?
first line
second line
third line
fourth line
What is the best definition of antibodies?
antibiotics that help you when you are sick
organs that create pathogens
pathogens that enter the bloodstream
proteins that attach to antigens and make them useless
Bacteria come in 3 shapes. What are they?
bacteriophage, macrophage, flosophage
cone, sphere, spiral
rod, sphere, spiral
cone. rod, spiral
Bacteria are ______________ than plant and animal cells.
smaller
larger
All bacteria cause illness and disease.
TRUE
FALSE
Bacteria can harm your body and cause disease by...
destroying cells and capturing toxins
damaging tissue and releasing toxins
damaging organs and ingesting cells
causing fungus and viruses to grow
Most bacterial diseases can be treated with _______________.
antibiotics
carcinogens
pathogens
microbes
Viruses include... (select all that apply)
flu
common cold
measles
chicken pox
food poisoning
Bacteria are smaller than viruses.
TRUE
FALSE
According to the textbook, how many shapes can viruses come in?
3
4
6
5
Viruses are not living.
TRUE
FALSE
A living cell that a virus infects is called a ________ cell.
mast
host
cast
partner
Replication is ...
the process by which a virus can make copies of itself
repeating a cell again and again
using a scientific tool to make copies of bacteria
how fungi grow larger by feeding off of dead materials
Fungi cannot be used to make medicines.
TRUE
FALSE
How can fungi be harmful to a person? (Select all that apply)
eating poisonous mushrooms
causing athlete's foot
allergies
cause diaper rashes
Involuntary muscle contractions which move a bolus through the gastrointestinal tract are called
mastication
peristalsis
defecation
chyme
Hydrochloric acid is secreted in the _______________ .
oesophagus
stomach
large intestine
small intestine
Most nutrient absorption occurs in the ________________ .
mouth
stomach
large intestines
small intestines
Identify the organ that produces bile.
pancreas
liver
gall bladder
large intestines
Which of the following is the correct order for the major parts of the gastrointestinal tract?
oesophagus, stomach, large intestine, small intestine, mouth
mouth, stomach, oesophagus, large intestine, small intestine
mouth, small intestine, stomach, oesophagus, large intestine
mouth, oesophagus, stomach, small intestine, large intestine
Which of the following converts starch into maltose?
maltase
lactase
sucrase
salivary amylase
Protein is broken down into ______________ before they are asborbed into the small intestines.
fatty acids
amino acids
citric acid
hydrochiloric
____________ in the pancreatic and intestinal juice completes the digestion of fats.
Amylase
Renin
Pepsin
Lipase
The villi provides a surface area for the absorption of nutrients into the bloodstream.
True
False
Glycerol and fatty acids are not used by the cells for building protaplasm and cell membranes.
True
False
What does the following picture show?
The role of RBC in oxygen transport
The role of platelets in blood clotting
The role of plasma for disease treatment
The role of WBC to defend our body
What does this picture show?
Plasma tranfusion
Blood clotting
Cellular respiration
Protection against disease
Which of the following is not a major component of blood in humans?
Epithelial cells
Red blood cells
White blood cells
Plasma
Platelets
What is the main function of white blood cells in the body?
Targeting pathogens and fighting off infections
Transporting carbon dioxide to the lungs to be excreted
Binding to oxygen to transport it to respiring cells
Helping the blood clot
Which statement correctly describes the activities of the components of human blood shown in the diagram?
Both A and B function in immune responses, and C transports oxygen
A, B, and C are able to synthesize hemoglobin
Both B and C provide immunity, and A transports nutrients
A transports oxygen, B starts clots, and C functions in immune response to fight infections
Bleeding from a small cut soon stops due to the release of enzymes from
platelets
activated antibodies
hemoglobin
white blood cells
The diagram below represents several human blood cells as observed through a compound microscope. Which function is associated with cell X?
antibody production
oxygen transport
phagocytosis
peristalsis
Another term for platelets:
erythrocytes
lymphocytes
thrombocytes
plasma
Select the example of an antibiotic.
vaccine
pathogen
penicillin
antibody
Select the disease which can be treated with antibiotics.
Cold
Influenza
COVID 19
Bacterial infection
Antibiotics do not destroy viruses. They only work on (a)
Select the correct definition for antibiotics.
Chemicals which destroy bacteria.
Chemicals which destroy fungi.
Chemicals which destroy viruses.
Chemicals which destroy parasites.
Select the part of a bacteria cell antibiotics attack and destroy.
DNA
Cytoplasm
Cell membrane
Cell wall
Antibiotics stop bacteria (a)
Antibiotic resistant bacteria are bacteria which are not affected or destroyed by (a)
Select the example of something which does not cause antibiotic resistance.
Not finishing a course of antibiotics.
Giving antibiotics to live stock (animals we eat).
Using antibiotics when we don't need them.
Finishing a course of antibiotics.
Antibiotic resistance is a huge problem because the antibiotics we have now to fight bacteria will not work. Therefore we will need to make new kinds of .......... to fight the new types of ...........
antibiotics, bacteria
bacteria, antibiotics
antibodies, bacteria
antibiotics, viruses
Write down the name of the scientist who discovered penicillin.
(a)
