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Diversity in Living Organisms

Total questions: 20

Worksheet time: 20mins

Name
Class
Date
1.

Which of the following describes the characteristic of a flatworm correctly?

a)

It has a non-segmented body.

b)

It has a segmented body.

c)

It belongs to a group known as molluscs.

d)

It belongs to a group known as ecinoderms.

2.

Which group of invertebrate does the above organism belong to?

a)

Echinoderms

b)

Cnidarias

c)

Arthropods

d)

Molluscs

3.

How do snails take in oxygen?

a)

Lungs and moist skin

b)

Moist skin

c)

Gills

d)

Lungs

4.

Which of the following falsely describes the above organism?

a)

It has a head and foot.

b)

It does not have shells.

c)

It respires through the lungs.

d)

It is classified as a molluscs.

5.

A typical insect has... (more than one answer may be correct)

a)

Internal skeletal system

b)

An exoskeleton

c)

Bilateral symmetry

d)

Radially symmetry

6.

Which of the following is false regarding the above organism?

a)

It moves very slowly.

b)

It has no heart, brain and eyes.

c)

It moves using water pressure.

d)

It belongs to a group known as echinoderms.

7.

Which of the following organism(s) is/are classified as an Echinoderm?

a)
b)
c)
d)
8.

Which of the following invertebrate is classified as an arachnids?

a)
b)
c)
d)
9.

What are the consequences of deforestation?

a)

Loss of habitat

b)

Creation of new species

c)

Increase formation of water bodies

d)

Global warming

10.

Which of the following best describes global warming?

a)

It is the increase of water levels globally as more water is being loss and evaporated from water bodies.

b)

There is an increase in the amount of pollution and greenhouse gases resulting in disruption in the carbon cycle.

c)

The increase in greenhouse gases lead to more heat being trapped at the ozone layer. Hence, there is a rise in the average temperature.

d)

The entire planet is highly heated up, causing many loss of habitats and disruption of ecosystems.

11.

Which of the following is classified under Cnidarias?

a)
b)
c)
d)
12.

What are the tiny protruding spikes formed for?

a)

For feeding

b)

For movement

c)

For egestion

d)

To defend itself from predators

13.

What is the role of the gut for in the jellyfish?

a)

Sting the predators

b)

Ingestion

c)

Respiration

d)

Egestion

14.

Which of the following are vertebrates?

a)
b)
c)
d)
15.

Which of the following animal give birth to young alive?

a)
b)
c)
d)
16.

Which of the following characteristics is unique to mammals?

a)

They are warm-blooded.

b)

They are cool-blooded.

c)

The are able to walk and swim.

d)

They are usually able to produce milk.

17.

Which of the following organisms are classified under Crustaceans?

a)
b)
c)
d)
18.

The giant isopod are found in deep waters, feeding on dead organisms and live preys on the seabed. Based on the diagram, what are isopods classified under?

a)

Molluscs

b)

Crustacea

c)

Arthropods

d)

Echinoderms

19.

Nautilus are classified under Molluscs with other organisms such as

a)

Whales

b)

Octopus

c)

Jellyfish

d)

Oysters

20.

Which of the following organisms are cold-blooded?

a)
b)
c)
d)