Font size
WorksheetsBiology
Total questions: 137
Worksheet time: 2hrs 2mins
The survival of a species depends on its ability to adapt to changes in the environment. Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment?
Mutations are a source of variation in the species
Mutations are the cause of disease in the species
Mutations are not harmful when they occur in somatic cells
Mutations are always passed on to subsequent generations
The survival of a species depends on its ability to adapt to changes in the environment. Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment?
Mutations are a source of variation in the species
Mutations are the cause of disease in the species
Mutations are not harmful when they occur in somatic cells
Mutations are always passed on to subsequent generations
What are the building blocks of proteins called?
DNA
RNA
Ribosomes
Amino Acids
Which organelle is DNA usually found in?
cell membrane
vacuole
chloroplast
nucleus
In the documentary "Life According to Sam," what was unique about the clinical trials?
They didn't offer a placebo due to it being such a rare disease
They had 0 research about progeria until Sam's parents began conducting clinical trials
Both of these are unique to the situation
None of these are unique to the situation
In the documentary "Life According to Sam," what was the disease Sam suffered from called?
Autism
Malaysia
Benjamin Button
Progeria
What type of Mutation is this to the sentence "THE CAT WAS FUN":
THE CAT WIS FUN
Substitution Mutation
Deletion Muation
Insertion Mutation
What type of Mutation is this to the sentence "THE CAT WAS FUN":
THE CAT AWA SFU N...
Substitution Mutation
Deletion Mutation
Insertion Mutation
What type of Mutation is this to the sentence "THE CAT WAS FUN":
THE BAT WAS FUN
Substitution Mutation
Deletion Mutation
Insertion Mutation
This type of mutation involves removing a piece of DNA where it belongs.
Known as a frameshift mutation.
Substitution Mutation
Insertion Mutation
Deletion Mutation
This type of mutation involves inserting a piece of DNA where it does not belong. Known as a frameshift mutation.
Substitution Mutation
Deletion Mutation
Insertion Mutation
Mutations create genetic diversity?
True
False
Mutations are SOMETIMES helpful to the organism.
True
False
Mutations are random.
True
False
ATTTGAGCC- Original
ATTGAGCC - Mutated
The example above is an example of a
Insertion
Point mutation
Deletion
Substitution
Another name for a point mutation is:
Substitution
Frameshift
Insertion
Deletion
A mutation can occur if a base pair is ____________, deleted or substituted for another.
modified
added
transferred
A mutation is defined as:
A change in the cell's structure
Anything that changes in an embryo
Any change in the physical features of a human
A change in the DNA sequence
Mutations can benefit humans because they can:
Cause illness
Make an organism more suited to live in its environment.
Make organisms live shorter lives
Cause organisms to grow extra limbs.
Mutations can be negative because
They can cause cancer
They can cause birth defects
They can help an organism thrive in its environment.
They can affect offspring.
nervous system
What is the function of a chloroplast?
makes proteins for animal cells
allows materials in and out of the cell
provides structure and support
absorbs sunlight for photosynthesis
A large central vacuole is found in a _____ cell.
animal
plant
Which of these is NOT true of organelles(cell parts)?
Organelles perform a certain function for a cell.
Organelles are membrane-enclosed structures in a cell.
Organelles are all the same inside a particular animal.
Organelles are separated from the other parts of the cell.
which is NOT an example of an organelle?
mitochondrion
nucleus
heart
cell membrane
What is cell?
__________ organisms consist of many cells. Humans are __________ organisms with trillions of cells specialized to do certain tasks.
single celled
multicellular
An action or change in behavior that occurs as a result of a stimulus.
organism
cell
response
stimulus
Any change or signal in the environment that can make an organism react in some way.
organism
cell
response
stimulus
The basic unit of structure and function in living things.
organism
cell
response
stimulus
A living thing.
organism
cell
response
stimulus
Restricted blood flow can cause
hypertension
atherosclerosis
breathing difficulty
angina
________separate the left part of the heart from the right part of the heart to prevent mixture of oxygenated and deoxygenated blood.
Right ventricle
Right atrium
Semilunar valve
Septum
The thromboplastins in the presence of __________and __________, convert prothrombin to thrombin.
I. sodium ion
II. vitamin K
III. potassium
IV. calcium ion
I and II
II and IV
I and IV
II and III
Organs transplant fails if the
excess heparin found in blood
recipient is not ready for transplant
organ is perceived as a toxin by the recipient body
Which of the following statement is not true about the function of lymphatic system?
Transport fatty acid and glycerol molecules
Produce antibodies
Returns the interstitial fluid back into circulatory system
Transports glucose and amino acid molecules
What is the function of pulmonary circulation?
To deliver blood to all parts of the body
To deliver blood to lungs
To deliver blood to all parts of the body except the lungs
To deliver blood to body cells
Heart is made up of
cardiac muscle
smooth muscle
skeletal muscle
Restricted blood flow can cause
hypertension
atherosclerosis
breathing difficulty
angina
The thromboplastins in the presence of __________and __________, convert prothrombin to thrombin.
I. sodium ion
II. vitamin K
III. potassium
IV. calcium ion
I and II
II and IV
I and IV
II and III
Bella is a girl with blood group AB. She can donate blood to______
Jasmine with blood group A
Danial with blood group O
Rita with blood group B
James with blood group AB
Pulmonary veins transport
red oxygenated blood
deoxygenated blood from the heart to the lungs
oxygenated blood from the lungs to the heart
bluish red deoxygenated blood
Which of the following statement is not true about the function of lymphatic system?
Transport fatty acid and glycerol molecules
Produce antibodies
Returns the interstitial fluid back into circulatory system
Transports glucose and amino acid molecules
Heart is made up of
cardiac muscle
smooth muscle
skeletal muscle
Organs transplant fails if the
excess heparin found in blood
recipient is not ready for transplant
organ is perceived as a toxin by the recipient body
Bella is a girl with blood group AB. She can donate blood to______
Jasmine with blood group A
Danial with blood group O
Rita with blood group B
James with blood group AB
Pulmonary veins transport
red oxygenated blood
deoxygenated blood from the heart to the lungs
oxygenated blood from the lungs to the heart
bluish red deoxygenated blood
Protein containing iron is known as
haemoglobin
hormone
globulin
fibrinogen
The 'lub' sound produced after
semilunar valves close
atria are fully contracted
ventricles start to relax
bicuspid valve and tricuspid valve suddenly close
The 'lub' sound produced after
semilunar valves close
atria are fully contracted
ventricles start to relax
bicuspid valve and tricuspid valve suddenly close
What are the characteristics of artery?
Thick, less muscular and elastic
Thin, less muscular and less elastic
Thin, muscular and less elastic
Thick, muscular and elastic
_______________is located between left vetricle and left atrium.
Semilunar valve
Bicuspid valve
Tricuspid valve
Which organism has open blood circulatory system?
Frog
Fish
Prawn
Human
________is a threadlike protein fibre that forms a network on the wound surface to close the wound to prevent excessive blood loss.
Fibrin
Thrombin
Prothrombin
Fibrinogen
Which of the following is the function of the cell above?
For blood clotting
To transport oxygen
To defend against infection
Which of the following is the main circulatory fluid in our body
Plasma
Blood
Interstitial fluid
Veins have valves to
prevent the veins from collapse
prevent the back flow of blood
restrict blood flow
How many chambers does a frog's heart have?
1
2
3
4
What is the antigen on blood group O?
Antigen A
Antigen B
Antigen A and Antigen B
None
Which of the chambers has the highest pressure?
Right verticle
Left atrium
Left verticle
