WorksheetsFall Biology Semester Exam
Total questions: 29
Worksheet time: 29mins
In homeostasis, what is an effector?
an organ or cell that acts in response to a stimulus
a receptor that detects stimulus
how the body remains stable & steady
a chemical messenger mostly manufactured by the endocrine glands
What are the products of photosynthesis?
Oxygen, Glucose
Carbon dioxide, water
Water, Sunlight
Oxygen, Water
A tendency to maintain a balanced or constant internal state; the regulation of any aspect of body chemistry, such as blood glucose, around a particular level?
Effector
Positive feedback loop
hormone
homeostasis
In Biology, what are some topics we learned?
Photosynthesis
Cells in animals and plants
the Characteristics of Life
all of the above
What is an Energy-requiring process that moves material across a cell membrane?
Active transport
Diffusion
Passive transport
Protein channels
What type of cell contains a nucleus?
eukaryotic cells
prokaryotic cells
mitochondria
ribosomes
What monomer is protein made off?
amino acids
DNA
cells
mRNA
What is the movement of substances across a cell membrane without the use of energy by the cell?
Passive transport
homeostasis
osmosis
diffusion
The diffusion of water in cells...
osmosis
active transport
passive transport
transport
Vacuole -
cell organelle that stores materials such as water, salts, proteins, & carbohydrates
cell organelle filled with enzymes needed to break down certain materials in the cell
a jellylike fluid inside the cell in which the organelles are suspended
a system of membranes that modifies and packages proteins for export by the cell
How does a multicellular organism grow?
by increasing the number of cells they have
they get 8 hours of sleep
cellular respiration
they stay healthy & active
Is a simple diffusion a passive or active transport of a molecule?
active
passtive
left
right
Homeostasis is used everyday by our body, so what does homeostasis mean?
energy
H2O
cells
the regulation of any aspect of body chemistry, such as blood glucose, around a particular level
What is a proton?
a positive charge and that is found in the nucleus of an atom
has no charge and that is found in the nucleus of an atom
has a negative charge
basic unit of matter
What is the organelle that covers a plant cell called
cell wall
chloraplast
vacuole
cell membrane
How does your body regulate it's temperature?
shivering/sweating
hard breathing
wheezing
heart racing
What do enzymes speed up?
the rate of a chemical reaction
the rate of a biomolecule
the rate of a reaction
the rate of an Active site
Which of the following organisms cannot use photosynthesis to make its own food?
coyote
tree
yucca
cactus
What color is reflected by the chlorophyll?
green
red
yellow
blue
What is the first step in photosynthesis?
light-dependent reaction
light-independent
Calvin Cycle
Dark reaction
What is the correct equation for photosynthesis?
6 CO2 + 6 H2O + Light ---> C6H12O6 + 6 O2
CO2 + H2O + Light ---> C6H12O6 + O2
In which organelle does photosynthesis happen in plants?
chloroplast
cholorphyll
nucleus
bacteria
What is the useable form of energy for the cell?
ATP
ADP
NADPH
Glucose
How many glucose molecules are produced in photosynthesis?
1
6
2
5
True or False: Chlorophyll reflects green light
true
false
What is the name for an organism that makes its own food?
autotroph
bacteria
consumer
heterotroph
What are the reactants (beginning of the equation) of photosynthesis?
carbon dioxide and water
glucose and oxygen
ATP and NADPH
ADP and NADP+
what are the products of photosynthesis?
glucose and oxygen
ATP and NADPH
carbon dioxide and water
ADP and NADP+
Which of these are macromolecules?
carbohydrates
proteins
lipids (fats)
all the above
