1.    Consider the data:
1)    Light        4) humidity
2)    Grass     5) climate
3)    Mouse     6) spider
According to the data, biotic component in the ecosystem are… .
a.    1,5, and 6        c. 2, 3, and 6
b.    2, 3, and 4        d. 3, 4, and 5

2.    The member of abiotic components are … .
a.     soil, water, air,  sunlight, humidity
b.     plant, rabbit,  tiger, fungi, microbe
c.     grass, microbe, sunlight, fungi, tiger
d.     microbe, air, water, green plant, fungy

3.    The abiotic component that cannot influenced by biotic component is … .
a.    water and air
b.    soil and sunlight
c.    soil and water
d.    gravitation and sunlight

4.    Which one of the following statements is the best to represent a community?
a.    a  group of grasshoppers in the garden
b.    all of organisms that exist in the world
c.    a group of animals and plants living together in the garden
d.    a group of organisms and abiotic components that  interact one another

5.    The followings are factors that cause the increasing number of population. The factors are … .
a.    natality and mortality
b.    natality and imigration
c.    mortality and emigration
d.    imigration and emigration

6.    Ecosystem consist of some unit organism. The unit organisms are …
a.    individuals, population and community
b.     herbivores, carnivores and omnivores
c.     biome, biosphere and atmosphere
d.    producer,  consumer and decomposer

7.    The green plants as a producer, because … .
a.    doing respiration
b.    produce organic substance
c.    produce oxygen and carbon dioxide
d.    produce an organic substance

8.    An animal that eats only producers is … .
a.    omnivore
b.    herbivore
c.    carnivore
d.    insectivore

9.    An organism that breaks down the remains of dead plants and animals is … .
a.    decomposer
b.    herbivore
c.    carnivore
d.    omnivore

10.    The event of eating and  being eaten in a certain order and direction in on ecosystem is called….
a.    Population
b.    Food web
c.    community
d.    Food chain

11.    Consider the food chain below :
rice —— rabbit  —— snake   ——    eagle
The effect if the number of rabbit poupulation  is decrease, so … .
a.    the number of rice is decrease/turun and the number of snake is increase/naik
b.     the number of rice is increase and the number of snake is decrease
c.     the number of rice and the number of  eagle are increase
d.     the number of rice and the number of snake are decrease

12.    How many food chain can do you get from the food web below?
Caterpilar          Frog
Grass                                               Eagle
Rabbit          Snake
a.    3
b.    4
c.    5
d.    6

13.     All ecosystem that exist in the earth is …..
a.     biome
b.    tundra
c.      desert
d.    biosphere

14.    The natural predator of grasshopper in the rice field is… .
a.    Snake
b.        Cricket
c.    Frog
d.        Eagle

15.    The diagram below shows the flow of energy in a specific ecosystem. Which transfer path produces the largest energy for human life?

16.    Diagram below  shows the pyramid of numbers for the populations of organisms in a habitat.

Which shows the correct populations of organisms in the habitat?
Number of organisms
P    Q    R    S
a    Snakes    Frogs    Grasshoppers    Paddy plants
b    Frogs    Grasshoppers    Snakes    Paddy plants
c    Paddy plants    Grasshoppers    Frogs    Snakes
d    Grasshoppers    Paddy plants     Snakes    Frogs

17.    Consider the data :
1.    Interaction between orchid and tree
2.    Interaction between butterfly and flower
3.    Interaction between leaf louse and ant
4.    Interaction between shark and little fish
5.    Interaction between Eschericia colli and human being
6.    Interaction between Raflessia and their host
Based which upon symbiosis mutualisms is number….
a.    1,2 and 3
b.    2, 3 and 4
c.    2,3 and 5
d.     4, 5 and 6

18.     The right interaction pattern in environment is … .
No    Organisms    Interaction pattern
A    Orchid – tree    Neutralisms
B    Rose  – grass    Parasitism
C    Lion – sheep    Predation
D    Bacteria – plant    Mutualism

19.    Interaction between two organisms below which is included into a competition is  …
a.    deer and lion in the forest
b.    horse and cow in a savannah
c.    Penicillium fungy and bacteria
d.    a flower and butterfly

20.    The figure below shows the example of …

a.    parasitism symbiosis
b.    mutualism symbiosis
c.    commensalism symbiois
d.    antibibiotic