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WorksheetsI Love Bio
Total questions: 40
Worksheet time: 26mins
What is the main organ of the circulatory system?
small intestine
bone
lungs
heart
Arteries carry oxygen rich blood away from the heart.
True
False
The job of the heart is to . . .
pump blood around the body.
send food to the small intestines.
break down food.
give energy to the body.
How does the heart work?
It pumps blood first to the lungs, back to the heart and then around the rest of the body.
It pumps blood first to the rest of the body, back to the lungs and then to the heart.
It pumps blood around the rest of the body, back to the heart and then to the lungs,
What is the main function of the nervous system?
to inhale oxygen and exhale carbon dioxide
to break down food consumed by a person for nutrients
to control the body's activities by relaying messages
to control the body's movements
What are the three parts of the nervous system?
brain, spinal cord, nerves
brain, lungs, spinal cord
heart, brain, nerves
brain, nerves, neurons
Dendrites are part of a neuron that carries electrical signals _______ the cell body.
to
away
in between
The space between an axon of a neuron that is communicating with a dendrite of another neuron is called a ________________.
Neuron
Brain message
Stimulus
Synapse
The diagram shows the mechanisms that control the concentration of glucose in the blood.
Which row identifies the glands and hormones labelled W, X, Y and Z?
adrenal gland, adrenaline, adrenal gland, glucagon
adrenal gland, adrenaline, pancreas, insulin
pancreas, glucagon, adrenal gland, insulin
pancreas, insulin, pancreas, glucagon
What is Homeostasis ?
is the maintenance of a constant internal environment
is the maintenance of a constant external environment
is the maintenance of a constant living environment
High body temperature in humans is regulated by all these except
sweating
falling of skin hairs
vasodilation
vasoconstriction
Which one is not part of the skin:
hair erector muscles
receptors
cilia
blood vessels
Which one here reduces the amount of glucose in the blood?
Glucagon
Insulin
Glycogen
ADH
Which one is NOT the effect of the release of adrenaline on the heart rate, glucose concentration and pupil
heart rate increased
glucose concentration increased
glucose concentration decreased
pupil dilates
The growth of a plant in response to light is called
Phototropism
Hydrotropism
Gravitropism
Photosynthesis
Gravitropism is the
growth of a plant in response to light
growth of a plant in response to touch
growth of a plant in response to water
growth of a plant in response to gravity
Auxin on the shoot tip is unequally distributed in response to
gravity.
True
False
A shoot tip grows in the direction of the light. This is referred to as
Positive gravitropism
Negative gravitropism
Positive phototropism
Negative phototropism
Vasoconstriction is :
the shortening of arterioles supplying skin surface capillaries
the widening of arterioles supplying skin surface capillaries
the narrowing of arterioles supplying skin surface capillaries
All of the above
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) absorb excess water and store solid waste?
Bladder and kidneys
Large Intestine
Lungs
What organ is #3?
Kidney
Stomach
Bladder
Heart
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
Seed Coat
What part covers and protects the flower bud?
petal
sepal
stamen
What protects the parts of the flower that make the seed?
sepal
petals
stamen
What is the male part of the flower?
egg
pollen
The process of getting the pollen to the egg cell is called...
pollination
pollen
stamenation
1. Which of the following statements on cross-pollination is not true?
Pollen from a flower is transferred to on the stigma of a different flower on another plant
Cross-pollination produces health offspring
An example of a new variety of plant produced is the orchid.
Pollen from a flower is transferred to the stigma of a different flower on the same plant.
1. Diagram 21 shows self-pollination occurring in a flower.
Which of the following is the next step?
A pollen tube will emerge from a pollen grain
The anther develops into the seed
The stamen and stigma wilt
The sepal shrinks and falls off
3. Why are flowers colourful?
To attract insects for pollination
To produce good seeds from the flowers
To produce good fruits
To help the plant making food
5. Which characteristics of plants pollinated by wind and insects is not true?
Characteristics Pollinated Pollinated
by wind by insects
Pollen Size Small Big
Style Long Short
Stalk Long/ Outside the Short
leaf
Scent Fragrant Fragrant
