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Worksheets2nd year Bio Test 1
Total questions: 54
Worksheet time: 34mins
a six carbon sugar
glucose
deoxyribose
lactase
pyruvate
the controlled release of energy from organic compounds in cells to form ATP
photosynthesis
cellular respiration
mitochondrial matriculation
electron transport
a product of anaerobic respiration in yeast
water
oxygen
carbon dioxide
lactate
Where the Krebs Cycle occurs
cytoplasm
mitochondrial matrix
inner membrane of the mitochondria
nucleus
Which form of respiration requires oxygen?
Aerobic Respiration
Anaerobic Respiration
During exercise, the heart rate increases to:
Supply more lactic acid to the muscles for anaerobic respiration
Supply more oxygen and glucose to the respiring cells
Keep up with the pulse rate
What are the products of aerobic respiration?
Carbon Dioxide and Energy
Lactic Acid
Water and Carbon Dioxide
Glycogen and Carbon Dioxide
What are the products of anaerobic respiration in a human cell?
Energy and Lactic Acid
Lactic Acid
Lactic Acid and Carbon Dioxide
Carbon Dioxide and Water
The goal of cellular respiration is to:
make water
make ATP
make glucose
make oxygen
What is the biological significance of respiration to organisms?
Respiration produces food for the organism
Respiration creates energy for the organism
Respiration releases energy from food
Respiration consumes food
ATP is formed by adding _____ to ADP
phosphorus
proton
carbon
phosphate
stable
equal
complete
correct
the brain only
the muscles
Why is the sensation of thirst important to maintaining homeostasis?
Water removed by the kidneys must be replaced
Oxygen cannot diffuse into cells if a person is dehydrated
Water molecules are needed to carry carbon dioxide waste to the kidneys
Which body system controls the body to maintain homeostasis?
excretory
nervous
circulatory
skeletal
The "cause" for something to happen is called...
response
effector
control center
stimulus
What detects a signal from another body part that the system is outside of homeostasis and adjustments need to be made?
effector
response
control center
stimulus
Which hormone is released when blood sugar gets too low?
glucose
glucagon
glycogen
insulin
What hormone triggers sleepiness within humans?
thyroxine
insulin
glycogon
melatonin
which type of immunity are you born with?
adaptive
immunity
innate
immunity
passive
immunity
Which one of the following is totally reabsorbed?
Water.
Urea.
Glucose.
Sodium.
Reabsorption of useful substances from the filtrate begins at the
Proximal tubule.
Henle's loop.
Collecting duct.
Bowman's capsule.
Which part of the sarcomere does not shorten during muscle contraction?
A band
H zone
I band
None of these
Firm but flexible tissue that is part of the skeletal system.
cartilage
bone
muscles
ligament
Connective tissue that attaches skeletal muscle to bone.
tendon
ligament
cartilage
joint
What is M Line?
Distance between two region
Holding Thin filament
Overlapping parts
Holding Thck filament
Which type of muscles have branched structure:
Skeletal muscles
Striated muscles
Cardiac muscles
Smooth muscles
Which one of the following has fixed attachment:
Origin
Insertion
Tendon
All of these
Which is called beauty bone in women :
Sternum
Clavicle
Pelvis
Maxilla
Chief component of thin filament is:
Actin
Myosin
Myoglobin
All of these
Their speed of contraction is intermediate
Smooth
Cardiac
Skeletal
All of these
Chondrocytes are living cells of :
Bone
Cartilage
Muscles
Tendons
The type of muscles which have many nuclei pet cell
Skeletal muscle
Cardiac muscle
Smooth muscle
Both a & b
Which is true for movement of hinge joints
Axis is parallel to movement direction
Axis is antiparallel to movement direction
Axis is perpendicular to movement direction by
Both are at an angle of 120°
The isotropic or non-polarizing bands present along the length of each myofibril are
A bands
I bands
H-zone
Z-line
How many muscles are found in human body
450
500
650
1000
Ligament and tendon:
Both are inelastic
Both are elastic
Elastic,non elastic respectively
Inelastic, elastic respectively
A nerve cell is also known as a
cerebrum
neuron
cerebellum
nucleus
The gaps between neurons are called
Effectors
neurotransmitters
reflexes
synapses
Identify the name of the white insulating substance that often covers the axon of a neuron and helps speed up the conduction of the message
MYELIN
NEROTRANSMITTER
SYNAPSE
VESICLE
The central nervous system consists of the:
brain and spinal nerves
spinal nerves and cranial nerves
cranial nerves and spinal cord
spinal cord and brain
What detects a stimulus?
A detector
An effector
A receptor
A Simulator
All hormones are produced in the
answer choices
endocrine glands
blood stream
brain
pancreas
Auxins are responsible for _____________ of a plant
Colour change
Watering
Phototropism
Growth
In a reflex arc, the sensory neuron leads to the ___________ and the motor neuron leads to the __________
Spinal cord, CNS
CNS, muscle
Spinal cord, muscle
Muscle, CNS
Which type of neuron causes a muscle to contract in a reflex arc?
Motor Neuron
Sensory Neuron
Interneuron
Effector
carries messages from the eye to the brain
lens
vitreous humor
retina
optic nerve
The peripheral nervous system consists of:
brain and cranial nerves
spinal cord and spinal nerves
cranial and spinal nerves
brain and spinal cord
Acetylcholine is a :
Hormone
Brain peptide
Neurotransmitter
Digestive enzyme
Myelin sheath is produced by :
Astrocytes and Schwann cells
Oligodendrocytes and Osteoclasts
Osteoclasts and Astrocytes
Schwann cells and Oligodendrocytes
Receptor sites for neurotransmitters are present on :
Pre-synaptic membrane
Tips of axons
Post-synaptic membrane
Membrane of synaptic vesicles
