Revision Sheet(grade 5 science)quarter 2
(2016/2017)
____
Multiple Choice
1. A domain is the broadest classification of living things. Which of the following names
the three known domains?
A.
B.
C.
D.
____
Eukarya, Bacteria, Archaea
Animalia, Chordata, Mammalia
family, genus, species
Plantae, Fungi, Protista
2. The organisms below are members of one of the six kingdoms of living things.
What do these organisms have in common with all the other members of this kingdom?
A.
B.
C.
D.
____
3 An ecosystem is made of both biotic and abiotic things. Which describes the biotic part of
the ecosystem?
A.
B.
C.
D.
____
They are microscopic.
They feed on dead or decayed materials.
They live in extreme environments and get energy from strange resources.
They may look or act like plants, animals, or fungi.
plants that grow in soil
the animals that breathe oxygen
all living things in the environment
plants and animals that live in water
4 If you stand in the middle of an open field, you are standing among individual organisms,
different species, populations, and communities. What makes up one of the populations
in the field?
A.
B.
C.
D.
all organisms of the same species
the different communities in the ecosystem
the communities that occupy the same niche
all organisms that live in a certain part of the field
____
5. The rainforests in South America support many ecosystems. These ecosystems are
healthy. How does the diversity in the rainforests help determine the health of
ecosystems?
A.
B.
C.
D.
____
6. Temperature, water, soil, and air are abiotic factors in an environment. They are not the
same everywhere. What role do abiotic factors such as these play in an ecosystem?
A.
B.
C.
D.
____
the rate at which the plants and animals in an ecosystem reach maturity
the ratio of animals that lay eggs and those that give birth to live young
the things that are necessary to support a population of organisms in an area
the difference between trees that lose their leaves in an ecosystem and those that
don't
8-What does it mean for a backyard ecosystem to have low diversity?
A.
B.
C.
D.
____
They control the changes of the seasons.
They prevent competition among populations.
They determine which plants and animals can live there.
They help control the effect humans might have on the ecosystem.
7. When scientists talk about an ecosystem and the type and number of animals and plants
that live in one, they are also concerned about limiting factors. What are limiting factors?
A.
B.
C.
D.
____
When diversity is high, there are more resources available.
Resources in the environment last longer when the diversity is low.
Less diverse ecosystems have less competition among the residents.
Areas with high diversity have increased competition among the residents.
The number of insect species is very low.
There are more insect species present in the environment.
The plants species outnumber the insect and other animal species.
There are only a few different species of plants, animals, and insects.
9 What part of an environment are a swarm of bees?
A.
B.
C.
D.
Ecosystem
Community
Niche
Population
____ 10. Cutting down trees to make room for human population growth has negative effects on
native plants and wildlife in an area. If an insect species lives in only a certain type of
plant and that plant is removed, what part of the insects' life is being affected?
A.
B.
C.
D.
Ecosystem
Community
Niche
Population
____ 11. Ecosystems are made of biotic and abiotic factors. Which term refers to a factor that is in
short supply for the organisms that depend on it for survival?
A. abiotic climate
B. biotic resource
C. climate factor
D. limiting factor
____ 12. Why is an energy pyramid drawn in the shape shown below?
A.
B.
C.
D.
13.
The higher the level is, the fewer the animals.
The higher the level is, the larger the organisms.
The higher the level is, the more important the animals.
The higher the level is, the more successful the predators.
Some organisms break down dead things for food. Which word describes these
organisms?
A.
B.
C.
D.
Consumers
Decomposers
Herbivores
Producers
14..Some organisms break down dead things for food. Which word describes these organisms?
A.
B.
C.
D.
Consumers
Decomposers
Herbivores
Producers
____ 15. The picture below shows a food chain. The arrows show how energy flows from one
living thing to the next.
In this food chain, what would be a possible energy source for the bacteria?
A.
B.
C.
D.
all the animals
all the organisms
only the hawk
only the predators
____ 16. The picture below shows a food web.
If the number of fish dropped suddenly, which of the following is a likely short-term
effect in the food web?
A.
B.
C.
D.
fewer squid
fewer tiny water plants
more penguins
more seals
17- Which organisms are most responsible for cleaning up the remains of dead
plants and animals?
A.
B.
C.
D.
producers and consumers
consumers and scavengers
producers and decomposers
scavengers and decomposers
18.The digestive system changes the food we eat into usable and unusable materials. Where do unusable
materials go until disposal?
A.
B.
C.
D.
to the liver
to the pancreas
to the large intestine
to the small intestine
19.The organ shown below, identified with an arrow, is a digestive organ.
What happens when food reaches this organ?
A.
B.
C.
D.
Acidic juices mix with the food.
Food is stored, but no digestion occurs.
The food is completely digested and absorbed into the bloodstream.
The food is moved into the small intestine within two or three minutes.
____ 20. The small intestine contains tiny structures called villi. How do villi help the small intestine
perform its function.
A.
B.
C.
D.
They add acidic juices to food.
They help eliminate solid wastes.
They help the small intestine absorb nutrients.
They help food move from the esophagus to the stomach.
____ 21. The urinary system is important to your body’s proper functioning. Which of these describes the
function(s) of the urinary system?
A.
B.
C.
D.
aids in reproduction
breaks down solid food
stores important nutrients and vitamins
regulates fluid balance and eliminates waste
____ 22. Where is urine stored prior to urination?
A.
B.
C.
D.
Bladder
Kidneys
large intestine
stomach
____
23.The diagram below shows the parts of a human body system.
Which body system is shown?
A.
B.
C.
D.
Circulatory
Digestive
Respiratory
Urinary
____ 24. Len was alone, in a strange place, in a new situation, feeling afraid. His body reacted by
producing the hormone adrenalin. How did the adrenalin make Len feel?
A.
B.
C.
D.
He began to feel happy and cheerful.
He felt calm and at ease.
He became shaky and his heart thumped.
He didn’t feel any different.
____ 25. Which organ removes waste from the blood, controls the blood’s salt level, and helps conserve
water?
A.
B.
C.
D.
Bladder
small intestine
kidneys
liver
____ 26. Robert has grown taller again and needs larger clothes. Which gland produced the growth
hormone that caused this change?
A.
B.
C.
D.
adrenal
pancreas
pituitary
thyroid
____
27.
What would happen if the urinary system organs stopped working properly?
A.
B.
C.
D.
Waste products would build up.
The body would not digest solid food.
The liver would take over and the person would not be affected.
Blood would stop moving around the body.
____ 28. The nutrients you eat are passed to the bloodstream, where your cells can use them. How do
nutrients in digested food reach the bloodstream?
A.
B.
C.
D.
They are absorbed by the large intestine.
They pass from the esophagus into the blood.
They pass from the small intestine through tiny blood vessels into the blood.
They are absorbed into the bloodstream through structures in the stomach wall.