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Ecology (Ecosystem concept)

Total questions: 20

Worksheet time: 12mins

Name
Class
Date
1.

All are example of aquatic ecosystem, except

a)

pond

b)

lake

c)

savanna

d)

sea

2.

Interaction between all the organisms in a given area as well as the abiotic factors around them refer to

a)

population

b)

ecosystem

c)

biome

d)

community

3.

All living things that comprises all species of organisms refer to

a)

abiotic

b)

biotic

c)

population

d)

community

4.

Select the component of biotic

a)

consumer

b)

producer

c)

atmosphere

d)

lithosphere

5.

Select the abiotic component

a)

atmosphere

b)

lithosphere

c)

hydrosphere

d)

biosphere

6.

Based on sunlight penetration, lake zonation can be divide into

a)

photic

b)

littoral

c)

aphotic

d)

limnetic

7.

Identify zone A

a)

limnetic

b)

littoral

c)

photic

d)

aphotic

8.

Identify zone B

a)

photic

b)

aphotic

c)

limnetic

d)

littoral

9.

Identify zone D

a)

photic

b)

aphotic

c)

littoral

d)

limnetic

10.

Insufficient light for photosynthesis/ little light penetrates refer to zone

a)

A

b)

B

c)

C

d)

D

11.

Example of organisms that can be found in zone C

a)

zooplankton

b)

decomposer

c)

large fishes

d)

green plant

12.

Point of balance between respiration & photosynthesis, as determined by intensity of light at a given temperature refer to

a)

compensation point

b)

photosynthetic point

c)

respiration point

d)

zonation point

13.

All shallow waters close to the shore to depth at which rooted aquatic plants stop growing refer to

a)

A

b)

B

c)

C

d)

D

14.

Zone that has highest number of organisms is

a)

littoral

b)

limnetic

c)

benthic

d)

aphotic

15.

Organisms that colonizes the surface of an aquatic habitat is known as

a)

neuston

b)

nekton

c)

plankton

d)

benthos

16.

All the characteristics of tropical rain forest

a)

Lie in the tropical region

b)

receive heavy rainfall

c)

consistent sunlight

d)

low in biodiversity

17.

The highest stratification of the tropical rain forest

a)

canopy

b)

understory

c)

emergent

d)

shrub

18.

Characteristics of emergent strata

a)

Widely spaced trees

b)

umbrella-shaped canopies

c)

small leaves

d)

shade-tolerant

19.

Primary site for energy fixation refer to

a)

emergent

b)

canopy

c)

understory

d)

shrub

20.

The plant in this diagram usually can be found in which strata

a)

canopy

b)

understory

c)

shrub

d)

forest floor