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Worksheets

Grade 7

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

What are the organisms that depend on decaying matter as their source of food?

a)

 Consumers

b)

Scavengers

c)

Producers

d)

Decomposers

2.

Mutualism is a positive type of relationship because?

a)

One organism is killed and eaten by the other organism.

b)

Both organisms benefit from each other.

c)

One organism is benefiting while the other is harmed.

d)

 One organism is benefiting while the other is not affected.

3.

What do you call the limit on the maximum population size that an ecosystem can withstand?

a)

 Carrying capacity

b)

Area of capacity

c)

Carryon capacity

d)

Carrying maximum

4.

What do you call the component of the ecosystem on which the biotic factors depend?

a)

Living things

b)

Abiotic factors

c)

Unliving things

d)

Biotic factors

5.

A lion hunts for its food. What type of ecological relationship does the situation present?

a)

Predation

b)

Parasitism

c)

Mutualism

d)

Commensalism

6.

All of these are examples of Abiotic factors EXCEPT?

a)

Light

b)

Humidity

c)

Plants

d)

Air

7.

Tapeworms are living in the stomach of a dog. This type of ecological relationship is called?

a)

Parasitism

b)

 Predation

c)

Mutualism

d)

Commensalism

8.

Clownfish live in anemones. What type of ecological relationship does the situation present?

a)

Parasitism

b)

Commensalism

c)

Mutualism

d)

Parasitism

9.

These are also known as heterotrophs, because they consume food by eating producers or other organisms.

a)

Consumers

b)

Decomposers

c)

Scavengers

d)

Producers

10.

The words distance, displacement, speed, velocity, and speed are commonly known as?

a)

Descriptors of gravity

b)

Descriptors of motion

c)

Descriptors of distance

d)

Descriptors of speed

11.

These types of consumers are commonly known as herbivores and omnivores.

a)

Consumer

b)

Producers

c)

Primary consumer

d)

Secondary consumer

12.

Bacteria is an example of?

a)

Consumer

b)

Scavengers

c)

Decomposers

d)

Producers

13.

What do you call an ecological relationship wherein an organism causes harm to the host?

a)

Mutualism

b)

 Commensalism

c)

Parasitism

d)

 Competition

14.

What do you call the stage in the food chain?

a)

Tropospheric level

b)

Troposphere

c)

Trope level

d)

Trophic level

15.

 This is the total path length taken by an object from one point to another.

a)

Path

b)

Distance

c)

Displacement

d)

Speed

16.

These are also known as autotrophs, because they can produce their own food.

a)

Producers

b)

Decomposer

c)

Consumer

d)

Scavengers

17.

 __________ is the distance covered per time travel.

a)

Distance

b)

Speed

c)

Displacement

d)

Path

18.

What is the shortest length between two points?

a)

Distance

b)

Path

c)

Displacement

d)

Speed

19.

Velocity tells how fast an object is moving in a certain ______?

a)

 Place

b)

Direction

c)

Movement

d)

Distance

20.

Which of the following is the correct arrangement of the food chain?

I. Producer

II. Tertiary consumer 

III. Secondary consumer

IV. Primary consumer

a)

 I, IV, III, II

b)

I, II, III, IV

c)

II, III, I, IV

d)

I, IV, II, III