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WorksheetsRevisioh G8 Biology
Total questions: 180
Worksheet time: 3hrs 46mins
Who looked at living organisms in dental scrapings and pond water, and became known as "the father of microbiology?"
Rudolf Virchow
Anton van Leeuwenhoek
Matthias Schleiden
Theodor Schwann
Who came up with the name "cells" while looking at a slice of cork under a microscope?
Matthias Schleiden
Anton van Leeuwenhoek
Robert Hooke
Rudolf Virchow
In 1838, who was the German botanist that found that all plants were made of cells?
Matthias Schleiden
Theodor Schwann
Rudolf Virchow
Robert Hooke
What is NOT a part of cell theory:
all cells come from existing cells
all cells have a nucleus
all living things are made of cells
cells are basic unit of structure and function in living things
In eukaryotic cells DNA is primarily contained within the:
cytoplasm
ribosomes
vacuoles
nucleus
All cells have a cell membrane, cytoplasm, DNA, and...
cell wall
nucleus
ribosomes
chloroplast
The interior contents of the cell (except for the nucleus):
nucleolus
cytoplasm
cell wall
cell membrane
What kind of microscope (seen here) is common in classrooms, uses light to shine through a sample, with a maximum magnification of about 1000 to 1500x?
Dissecting microscope
Compound light microscope
Scanning Electron Microscope (SEM)
Transmission Electron Microscope (TEM)
What process is occurring in the photo?
exocytosis
endocytosis
phagocytosis
nucleolus is forming
Particles move from a region of lesser concentration to greater concentration by ___.
facilitated transport
diffusion
active transport
osmosis
Why does movement of molecules occur in the 3 types of solutions shown?
Each solution is trying to reach equilibrium.
Each solution has more than one solute
Each solution has too much solute
None of the above
What is the smallest unit of life?
cells
mitochondria
chloroplasts
organs
What is the structure labeled number 10 in the photo?
mitochondrion
chloroplast
Golgi body
vacuole
What is the name of the purple structure in the center of the nucleus that is responsible for making ribosomes?
Golgi body
nuclear envelope
nucleolus
cytoplasm
Water will move into a cell that is placed in a(n) _____ solution.
osmotic
hypertonic
hypotonic
isotonic
Which of the following does not require energy?
sodium-potassium pump
endocytosis
active transport
diffusion
Which of the following is associated only in plant cells and not animal cells?
a cell wall
mitochondria
a cell membrane
endoplasmic reticulum
What organelle is responsible for photosynthesis in plants?
mitochondria
chloroplasts
Golgi body
vacuoles
What is the name of the structure at the end of the black line?
cell-surface marker
transport or channel protein
enzyme
receptor protein
How are particles moved or transported in the cell?
with mitochondria
through endoplasmic reticulum
by the nucleus
with vesicles
Proteins and polysaccharides that are too large to move into a cell through diffusion or active transport move into cell by
exocytosis
endocytosis
the sodium-potassium pump
channel proteins
Which of the following does not require energy?
diffusion
endocytosis
active transport
sodium-potassium pump
What is the name of the blue structure in the photo?
Golgi body
nucleus
smooth endoplasmic reticulum
rough endoplasmic reticulum
A cell that needs a lot of energy might have a large number of
chromosomes
vacuoles
mitochondria
lysosomes
The correct sequence of mitosis:
metaphase, anaphase, telophase, prophase
prophase, metaphase, anaphase, telophase
prophase, anaphase, metaphase, telophase
telophase, metaphase, prophase, anaphase
During which cycle can you identify chromosomes
G1 phase
G2 phase
S phase
M phase
Chromosomes are visible and spindle fibers start to appear
prophase
metaphase
telophase
anaphase
Chromosomes are visible and spindle fibers start to appear
prophase
metaphase
telophase
anaphase
Sister Chromatids separate from each other
prophase
telophase
anaphase
metaphase
Chromosomes line along the center of the cell
anaphase
prophase
metaphase
telophase
There are 2 nucli in one cell
telophase
prophase
anaphase
metaphase
The division of chromosomes is called?
anaphase
mitosis
cytokineses
G0
The division of the cytoplasm is called?
anaphase
mitosis
cytokineses
G0
Non dividing state of the cell cycle
Interphase
Mitosis
Telophase
Cytokinesis
The phase of mitosis when chromosomes align in the
middle is called ________
anaphase
prophase
telophase
metaphase
The phase of mitosis when chromosomes align in the
middle is called ________
anaphase
prophase
telophase
metaphase
The first phase of mitosis is called _______________ .
telophase
metaphase
anaphase
prophase
The stage of mitosis where the sister chromatids separate:
prophase
anaphase
telophase
metaphase
Which is NOT a phase of the cell cycle?
Interphase
Cytokinesis
Mitosis
Duplication
Which of the following is necessary for photosynthesis?
Sunlight
Oxygen
Glucose
Soil
Which of the following is a product of photosynthesis?
Water
Glucose
Sunlight
Carbon dioxide
Which of the following organisms use cellular respiration for life and growth?
Plants only
Animals only
Plants and Animals
Bacteria only
How do plants obtain energy for photosynthesis?
Water is absorbed through the roots
Oxygen is absorbed through the leaves
Carbon dioxide is absorbed through the roots
Sunlight is absorbed by the leaves
Which of the following is produced during cellular respiration?
Protein
Carbon dioxide
Oxygen
Glucose
Which of the following are needed for cellular respiration?
Carbon dioxide and sunlight
Oxygen and glucose
Water and carbon dioxide
ATP and Oxygen
What is glucose?
The usable form of energy in a cell
The organelle needed for photosynthesis
The usable form of sugar in a cell
The organelle needed for cellular respiration
What organelle is responsible for photosynthesis?
Mitochondria
Cell wall
Golgi Apparatus
Chloroplast
The reactants of photosynthesis are:
glucose and water
carbon dioxide and water
glucose and oxygen
carbon dioxide and oxygen
Which statement about photosynthesis is correct?
Plants get the energy they need for photosynthesis from water
Plants get the energy they need for photosynthesis from sunlight
Plants get the energy they need for photosynthesis from soil
Plants do not require energy to perform photosynthesis
What are the products of photosynthesis?
carbon dioxide and water
glucose and oxygen
carbon dioxide and oxygen
glucose and water
Which of the following the the correct equation for photosynthesis?
6CO2 + 6H2O --> 6O2 + C6H12O6
6CO2 + C6H12O6 --> 6O2 + 6H2O
6O2 + C6H12O6 --> 6H2O + 6CO2
6O2 + C6H12O6 --> 6CO2 + 6H2O
Which gas is removed from the atmosphere during photosynthesis?
Hydrogen
Oxygen
Carbon Dioxide
Nitrogen
What is the purpose of photosynthesis?
Make glucose
Make ATP
Make energy
Make carbon dioxide
Mitochondria are responsible for what?
Photosynthesis
Cellular respiration
Fermentation
Both photosynthesis and cellular respiration
An organism that makes its own food.
carnivore
heterotroph
herbivore
autotroph
What are producers source of energy?
animals
animal waste
sunlight
other plants
What is the name of the process that autotrophs or producers use to make food?
cellular respiration
photosynthesis
photo respiration
cellularsynthesis
Which category of organism cannot make its own food?
Autotroph
Heterotroph
What are humans?
Autotrophs
Heterotrophs
What is a cucumber?
autotroph
heterotroph
Which of the following organisms above are considered "Heterotrophs"?
Deer
Fern Plant
Apple Tree
Owl
Skunk
Green plants are producers who make food in their leaves.
True
False
A consumer is a living thing that cannot make its own food.
True
False
All animals are consumers.
True
False
What is a Predator?
An animal that eats another animal
An animal that is being hunted by another animal
What is a Prey?
An animal that is being hunted by another animal
An animal that eats another animal
Which picture below is a Decomposer?
Delivers oxygen to your body cells. Made in bone marrow.
white blood cell
red blood cell
respiratory system
lungs
Fights disease and infection. Made by the lymphatic system.
white blood cells
red blood cells
circulatory system
blood
This organ pumps blood through your body.
heart
artery
vein
capillaries
These blood vessels take oxygenated blood to the body cells.
heart
artery
vein
capillary
These blood vessels carry deoxygenated blood to the lungs.
heart
capillaries
veins
arteries
Small blood vessels that diffuse oxygen, carbon dioxide, and nutrients.
heart
arteries
veins
capillaries
The system that delivers oxygen and gets rid of carbon dioxide.
respiratory
skeletal
lymphatic
digestive
The system that sends electrical signals to the heart that tell it to beat.
respiratory
lymphatic
nervous
digestive
The system that makes white blood cells.
lymphatic
respiratory
nervous
digestive
The 3 main functions of the Circulatory System
break down food, remove waste, make blood cells
react to stimuli, grow, adapt
deliver materials, remove waste, and fight infection
What are the main functions of the excretory system?
deliver oxygen to the body
deliver nutrients to the body
remove water and waste from the body
remove disease from the body
Which organs help to remove waste from the body?
Lungs, stomach, bladder, and kidneys
Lungs, heart, bones, and bladder
Lungs, large intestine, bladder and kidneys
Lungs, esophagus, bladder and kidneys
Which organ(s) remove waste gases?
Bladder and kidneys
Lungs
Large intestine
Which organ(s) filter blood and store liquid waste?
Bladder and kidneys
Large Intestine
Lungs
Which organ(s) absorb excess water and store solid waste?
Bladder and kidneys
Large Intestine
Lungs
What is organ is #1?
Kidney
Stomach
Bladder
Heart
What organ is #3?
Kidney
Stomach
Bladder
Heart
True or False:
Kidneys filter waste from blood.
True
False
I mix everything up with my acids
stomach
pancreas
large intestine
What is the job of your excretory system?
To bring oxygen into your body
To pump blood around the body
To break down food
To remove waste from your body
Which of the following is NOT part of your excretory system?
Heart
Lungs
Kidneys
Skin
Blood is cleaned by which organs?
Lungs
Ribs
Kidneys
Intestines
Why is your skin part of the excretory system?
Sweating gets rid of salt and water
Exhaling releases carbon dioxide
Sweating gets rid of carbon dioxide
The large intestine releases feces
The job of your kidneys is to...
Create feces
Take carbon dioxide out of your blood
Put oxygen into your blood
Clean blood, sending waste to bladder
Which body system coordinates all of the systems by controlling every activity that takes place?
The Nervous System
The Digestive System
The Endocrine System
The Circulatory System
The Immune System
The Nervous System is divided into two parts called
The Central Nervous System & The Peripheral Nervous System
The Central Nervous System & The Paradigm Nervous System
The Corollary Nervous System & The Paradigm Nervous System
The Corollary Nervous System & The Peripheral Nervous System
This is the control center of the nervous system controlling both voluntary and involuntary processes.
Central Nervous System
Peripheral Nervous System
Anything that occurs as a result of the organism thinking about it.
Voluntary Processes
Involuntary Processes
Anything that occurs automatically and without thought.
Voluntary Processes
Involuntary Processes
Digestion, Heartbeat, and Reflexes are examples of
Voluntary Processes
Involuntary Processes
Speaking, Running, and Karate Chopping are examples of
Voluntary Processes
Involuntary Processes
The Brain is made of a large mass of
Muscular Tissue
Neurons
Red Blood Cells
While Blood Cells
Glands
Which structure connects the Brain to the Peripheral Nervous System, while also directing some of the body's reflexes?
Spinal Cord
Esophagus
Pharynx
Larynx
Trachea
Which structure connects the Brain to the Peripheral Nervous System, while also directing some of the body's reflexes?
Spinal Cord
Esophagus
Pharynx
Larynx
Trachea
What will happen if all the sensory nerves stop working in any human's body?
Messages will not reach to the brain or spinal cord.
Brain is not able to process the received information.
Nothing will happen as motor nerves will perform the functions.
Blinking when something enters your eye
A reflex action
Not a reflex action
Two divisions of the nervous system.
brain and spinal cord
central nervous system and peripheral nervous system
cerebrum and cerebellum
Which of the following foods is NOT a protein?
eggs
milk
chicken
noodles
Grains are a good source of ... .
proteins
carbohydrates
vitamin
fat
Which nutrient is our body's main source of energy?
Minerals
Vitamins
Fats
Carbohydrates
How does Calcium help our body?
develops red blood cells
builds our muscles
build strong bones and teeth
helps eyesight
What is the function of water for our body?
help to take in nutrients from food
gives us energy
is not a nutrient
helps body to build muscles
You just had a hard work out and your muscles are sore.
Which nutrient should you be trying to get to repair your muscles?
carbohydrates
protein
fat
water
We need to have fat in our diets.
True
False
What nutrient helps the body stay HEALTHY?
carbohydrates
vitamins and minerals
fat
protein
Deficiency
A lack of nutrient in a person's diet. The state of needing something that is absent or unavailable.
As a nutrient, a substance needed by the body to carry other nutrients to cells and carry other nutrients to cells and carry wastes out of the body.
A nutrient found in food that is a concentrated source of energy and provides insulation in the body.
The part of plant foods that we cannot digest. Whole grains, and fruits, vegetables, nuts, and seeds contain fiber. Fiber helps fill you up, and you need at least 25 to 38 grams daily. To be considered high in fiber, a food must contain least 5 grams per serving.
Fat
A nutrient found in food that is a concentrated source of energy and provides insulation in the body.
If a food label lists __________oils as an ingredient, then the food contains trans-fat.
A sweetener that is often used instead of sugar in food manufacturing.
A lack of nutrient in a person's diet. The state of needing something that is absent or unavailable.
What is the main role of vitamin C in the body?
Helps form new cells and reduces the risk of birth defects if taken by a pregnant woman
Helps protect against illness and heal wounds
Helps the body use calcium
Helps with blood clotting
Helps with vision at night and production of white blood cells
What are vitamins used for in the body?
A quick useful source of energy
Help to regulate body processes
Act as stored energy for the body
All of the above
Both A and B are correct
What is the main role of vitamin D in the body?
Helps form new cells and reduces the risk of birth defects if taken by a pregnant woman
Helps protect against illness and heal wounds
Helps the body use calcium
Helps with blood clotting
Helps with vision at night and production of white blood cells
What vitamin is important for bones and teeth and helps your body to absorb calcium?
B
C
A
D
What is the vitamin that you can get from sunshine ,fish and eggs ?
B
D
C
E
It helps you run, jump, and play well.
Body-building foods
Body-regulating foods
Energy-giving foods
Which food is rich in vitamin C?
Vitamin C deficiency in children causes rickets, a disease in which the bones are weak and deformed.
True
False
What is the chemical substance obtained from food and used in the body to provide energy, structural
material, and regulating agents to support growth, maintenance, and repair of the body's tissues?
food
vitamin
nutrient
mineral
What are the best sources of calcium in the American Diet?
ice cream & cake
apples & oranges
milk & dairy products
bread & pasta
Select all the fat soluble vitamins:
Vitamin A
Vitamin C
Vitamin D
Vitamin E
Vitamin K
Deficiency of which nutrient leads to this disease?
Vitamin A
Vitamin D
Vitamin C
Infection and bleeding of gums can be prevented by having foods rich in ___________.
Iron
Calcium
Vitamin C
What does Vitamin D do?
Helps you see.
Absorbs calcium from food.
Helps you walk.
Helps your brain.
Vitamin B complex and C are the water-soluble vitamins.
True
False
Which foods are the best source of Vitamin C:
Fresh fruits and vegetables
Cooked fruits and vegetables
Animal foods
A diet lacking in ___________ leads to the development of a disease known as scurvy.
Vitamin A
Vitamin B
Vitamin C
Vitamin D
Which of the following are fat-soluble vitamins?
i- vitamin A
ii- vitamin B
iii- vitamin C
iv- vitamin D
i and ii
i and iii
ii and iii
i and iv
Which of the following is important for blood clotting?
Vitamin A
Vitamin B
Vitamin D
Vitamin K
The vitamins below are water-soluble vitamins except...
Vitamin B3
Vitamin B1
Vitamin C
Vitamin K
Identify the chemical name of vitamin D.
Niacin
Cholecalciferol
Retinol
Beta-carotene
Identify the deficiency disease where softening and weakening of bones in adults take place due to deficiency in vitamin D.
Osteomalacia
Osteoporosis
Rickets
Beri-beri
CLOTTING
A
K
C
D
E
