Practice Quiz for Subclass to Infraclass

Practice Quiz for Subclass to Infraclass

No. of Questions= 9

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1. The class Mammalia is divided into subclasses and infraclasses based on:

a) reproductive systems

b) the presence or absence of mammary glands

c) the number of appendages

d) none of the above

2. Which of the following types of mammals lay eggs like reptiles or birds?

a) Prototheria

b) Metatheria

c) Eutheria

d) none of the above

3. Marsupials are:



a) Prototheria

b) Metatheria

c) Eutheria

4. Monotremes are:



a) Prototheria

b) Metatheria

c) Eutheria

5. Placental mammals are:



a) Prototheria

b) Metatheria

c) Eutheria

6. The functions of the placenta include:

a) transporting nutrients to the fetus

b) feeding newborn infants

c) producing milk

d) all of the above

7. The abdominal pouch of marsupials is used mainly to:

a) carry infants

b) store food

c) provide added heat insulation for females

d) none of the above

8. Most marsupial and all monotreme species today are found in:

a) Central and South America

b) Europe

c) Australia

9. Dolphins and bats are:

a) monotremes

b) marsupials

c) placental mammals

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Copyright � 1999-2012 by Dennis O'Neil. All rights reserved.

1.	The class Mammalia is divided into subclasses and infraclasses based on:


		a)	reproductive systems
		b)	the presence or absence of mammary glands
		c)	the number of appendages
		d)	none of the above


2.	Which of the following types of mammals lay eggs like reptiles or birds?


	a)		Prototheria
	b)		Metatheria
	c)		Eutheria
	d)		none of the above


3.	Marsupials are:


	a)		Prototheria
	b)		Metatheria
	c)		Eutheria


4.	Monotremes are:


	a)		Prototheria
	b)		Metatheria
	c)		Eutheria


5.	Placental mammals are:


	a)		Prototheria
	b)		Metatheria
	c)		Eutheria


6.	The functions of the placenta include:


	a)		transporting nutrients to the fetus
	b)		feeding newborn infants
	c)		producing milk
	d)		all of the above


7.	The abdominal pouch of marsupials is used mainly to:


	a)		carry infants
	b)		store food
	c)		provide added heat insulation for females
	d)		none of the above


8.	Most marsupial and all monotreme species today are found in:


	a)		Central and South America
	b)		Europe
	c)		Australia


9.	Dolphins and bats are:


	a)		monotremes
	b)		marsupials
	c)		placental mammals