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Reptiles 2023

Total questions: 35

Worksheet time: 12mins

Name
Class
Date
1.

Transparent scale of each eye of a snake

a)

spectacle

b)

cloaca

c)

nictitating membrane

d)

Jacobson's organ

2.

What body system does a turtle's shell belong to?

a)

skeletal

b)

integumentary

c)

protective

d)

circulatory

3.

How do turtles breathe?

a)

the diaphragm forces air in and out of the lungs

b)

movement of leg muscles

c)

secondary palate in the mouth

d)

expansion and deflation of ribs

4.

Mobile skull with movable joints in the palate and across the roof of an animal's mouth; allows the animal to eat relatively large prey

a)

kinetic skull

b)

plastron

c)

spectacle

d)

mandible

5.

Pit-like sense organ in the roof of a snake's mouth; removes scent molecules from the tongue and transmits information to the brain

a)

spectacle

b)

plastron

c)

Jacobson's organ

d)

pit organ

6.

What determines the sex of turtles, crocodilians, and some turtles?

a)

sex chromosomes

b)

humidity

c)

nest temperature

d)

their parents

7.

Shelled vertebrate egg with multiple chambers; allows for rapid develop of young in relatively dry habits

a)

amniotic egg

b)

shelled egg

c)

jelly-egg

d)

Easter eggs

8.

What turtle structure is represented by letter D? Bottom shell of a turtle; means "breastplate"

a)

plastron

b)

carapace

c)

vertebrae

d)

ribs

9.

What turtle structure is represented by letter B?

a)

plastron

b)

carapace

c)

vertebrae

d)

ribs

10.

What turtle structure is represented by letter C? Hard dorsal shield of an animal; forms the back shell of a turtle

a)

plastron

b)

carapace

c)

vertebrae

d)

ribs

11.

What structure is represented by letter H?

a)

fang

b)

discharge orifice

c)

glottis

d)

nostril

12.

What structure is represented by letter F?

a)

fang

b)

discharge orifice

c)

glottis

d)

nostril

13.

What structure is represented by letter A?

a)

pit organ

b)

venom duct

c)

venom gland

d)

nostril

14.

What forms the inner layer of a turtle's shell?

a)

keratin

b)

bone

c)

skin

d)

chitin

15.

S-shaped snake movement; very fast and efficient; typical snake movement

a)

serpentine movement

b)

rectilinear movement

c)

concertina movement

d)

side-winding movement

16.

Short portions of a snake's body are lifted and moved forward; used by heavy bodied snakes when stalking prey

a)

serpentine movement

b)

rectilinear movement

c)

concertina movement

d)

side-winding movement

17.

Snake movement that is within a narrow pathway such as for climbing trees or other object

a)

serpentine movement

b)

rectilinear movement

c)

concertina movement

d)

side-winding movement

18.

Snakes that have heat-sensitive pit organs between the nostril and eye; the majority of venomous snakes in the US are in this group of snakes

a)

pythons

b)

boas

c)

colubrids

d)

pit vipers

19.

All of the snakes listed below are venomous snakes found in the US. All are pit vipers, except one. Which snake is NOT a pit viper?

a)

coral snake

b)

rattlesnake

c)

copperhead

d)

water moccasin

20.

Longest venomous snake at up to 18' in length; responsible for several thousand deaths each year; can raise its head 4'-5' off the ground to "hood out" making itself look much larger

a)

reticulated python

b)

green anaconda

c)

black mamba

d)

king cobra

21.

Fastest venomous snake; grows up to 14' in length; responsible for several thousand deaths each year; named for the color of its mouth

a)

reticulated python

b)

water moccasin

c)

black mamba

d)

king cobra

22.

Longest snake at a recorded length of 33'; giant constrictor found in SE Asia rainforests

a)

reticulated python

b)

Barbados threadsnake

c)

black mamba

d)

green anaconda

23.

Heaviest snake weighing nearly 500 pounds; giant constrictor found in S American rainforests; water snake that ambushes its prey and then constricts it

a)

reticulated python

b)

Barbados threadsnake

c)

black mamba

d)

green anaconda

24.

Smallest known snake at 4" in length; found on several Caribbean islands

a)

reticulated python

b)

Barbados threadsnake

c)

black mamba

d)

green anaconda

25.

Structure in the mouth that allows crocodilians and mammals to breathe through the nose while the mouth is filled with food or water

a)

secondary palate

b)

spectacle

c)

double circulatory system

d)

kinetic skull

26.

Large crocodilian found in southeastern United States. It is the most common crocodilian in the US. It is the only crocodilian native to Oklahoma.

a)

American alligator

b)

American crocodile

c)

caiman

d)

Komodo dragon

27.

This family of snakes include boa constrictors, Kenyan sand boas, emerald tree boas, and anacondas. These snakes have infrared heat sensors that allow them to sense warm-blooded prey. They constrict their prey before eating. Most of them give birth to live young.

a)

Family Hydrophiidae

b)

Family Viperidae

c)

Family Colubridae

d)

Family Boidae

28.

What family do most non-venomous snakes in the United States belong to? In other parts of the world, this family has members that can be very venomous. This family includes corn snakes, milk snakes, rat snakes, etc.

a)

Family Hydrophiidae

b)

Family Viperidae

c)

Family Colubridae

d)

Family Boidae

29.

Small, agile lizards that are mostly nocturnal, many have adhesive toe pads, males can be vocal

a)

geckos

b)

chameleons

c)

iguanas

d)

skinks

30.

Arboreal lizards of Africa & Madagascar; have sticky tongues for catching prey; many can change colors or are brightly colored

a)

geckos

b)

chameleons

c)

iguanas

d)

skinks

31.

What is the largest land tortoise?

a)

alligator snapping turtle

b)

Galapagos giant tortoise

c)

leatherback sea turtle

d)

bog turtle

32.

What is the largest sea turtle?

a)

alligator snapping turtle

b)

Galapagos giant tortoise

c)

leatherback sea turtle

d)

bog turtle

33.

What is the smallest sea turtle?

a)

alligator snapping turtle

b)

Kemp's Ridley sea turtle

c)

leatherback sea turtle

d)

green sea turtle

34.

Which of the following is named after its green fat?

a)

alligator snapping turtle

b)

Kemp's Ridley sea turtle

c)

leatherback sea turtle

d)

green sea turtle

35.

What are some hazards sea turtle hatchlings and juveniles face before reaching adulthood?

a)

predators

b)

overheating

c)

flooding

d)

freezing