Question 1

Which group listed below is not classified as a protostome?

Accepted Answer

Echinoderms

Answer

Arthropods

Answer

Annelid worms

Answer

Mollusks

Question 2

The distinction between protostome and deuterostome development depends on the

Accepted Answer

fate of the blastopore

Answer

number of tissue layers

Answer

type of symmetry formed

Answer

method of fertilization

Question 3

Which cellular process produces haploid sex cells?

Accepted Answer

Meiosis

Answer

Fertilization

Answer

Cleavage

Answer

Mitosis

Question 4

A zygote can best be described as

Accepted Answer

a single diploid cell

Answer

a hollow ball of cells

Answer

a haploid reproductive cell

Answer

a differentiated germ layer

Question 5

The morula stage forms as a result of

Accepted Answer

repeated mitotic divisions

Answer

gastrulation

Answer

fertilization

Answer

meiosis

Question 6

Spiral cleavage is most commonly associated with

Accepted Answer

protostomes

Answer

deuterostomes

Answer

echinoderms

Answer

vertebrates

Question 7

Which embryonic stage consists of a hollow sphere of cells?

Accepted Answer

Blastula

Answer

Morula

Answer

Zygote

Answer

Gastrula

Question 8

In protostome development, the blastopore eventually becomes the

Accepted Answer

mouth

Answer

anus

Answer

coelom

Answer

notochord

Question 9

Which germ layer gives rise to muscles and the circulatory system?

Accepted Answer

Mesoderm

Answer

Ectoderm

Answer

Endoderm

Answer

Blastoderm

Question 10

The term echinoderm literally refers to

Accepted Answer

spiny skin

Answer

jointed limbs

Answer

calcium shells

Answer

radial symmetry

Question 11

Which group listed below is not classified as a protostome?

Accepted Answer

Echinoderms

Answer

Annelid worms

Answer

Arthropods

Answer

Mollusks

Question 12

The distinction between protostome and deuterostome development depends on the

Accepted Answer

fate of the blastopore

Answer

type of symmetry formed

Answer

number of tissue layers

Answer

method of fertilization

Question 13

Which cellular process produces haploid sex cells?

Accepted Answer

Meiosis

Answer

Fertilization

Answer

Cleavage

Answer

Mitosis

Question 14

A zygote can best be described as

Accepted Answer

a single diploid cell

Answer

a haploid reproductive cell

Answer

a differentiated germ layer

Answer

a hollow ball of cells

Question 15

The morula stage forms as a result of

Accepted Answer

repeated mitotic divisions

Answer

meiosis

Answer

fertilization

Answer

gastrulation

Question 16

Spiral cleavage is most commonly associated with

Accepted Answer

protostomes

Answer

deuterostomes

Answer

vertebrates

Answer

echinoderms

Question 17

Which embryonic stage consists of a hollow sphere of cells?

Accepted Answer

Blastula

Answer

Gastrula

Answer

Zygote

Answer

Morula

Question 18

In protostome development, the blastopore eventually becomes the

Accepted Answer

mouth

Answer

anus

Answer

coelom

Answer

notochord

Question 19

Which germ layer gives rise to muscles and the circulatory system?

Accepted Answer

Mesoderm

Answer

Blastoderm

Answer

Ectoderm

Answer

Endoderm

Question 20

The term echinoderm literally refers to

Accepted Answer

spiny skin

Answer

jointed limbs

Answer

radial symmetry

Answer

calcium shells

Question 21

Which of the following characteristics is unique to amphibians?

Accepted Answer

Metamorphosis from larva to adult

Answer

External skeleton

Answer

Feathers

Answer

Scales

Question 22

What is the primary habitat where amphibians thrive?

Accepted Answer

Moist environments

Answer

Oceans

Answer

Mountains

Answer

Deserts

Question 23

Which of the following is NOT a type of amphibian?

Accepted Answer

Lizard

Answer

Frog

Answer

Newt

Answer

Salamander

Question 24

What type of skin do amphibians have?

Accepted Answer

Smooth and moist skin

Answer

Hardened shell

Answer

Dry and scaly skin

Answer

Feathery skin

Question 25

What is the primary means of reproduction for most amphibians?

Accepted Answer

External fertilization

Answer

Parthenogenesis

Answer

Internal fertilization

Answer

Asexual reproduction

Question 26

What unique feature helps amphibians absorb moisture from their environment?

Accepted Answer

Permeable skin

Answer

Thick scales

Answer

Feathered coats

Answer

Hard shells

Question 27

Which of the following is a characteristic feature of amphibians?

Accepted Answer

They undergo metamorphosis

Answer

They have feathers

Answer

They lay eggs on land

Answer

They are warm-blooded

Question 28

What is the primary reason amphibians are considered good indicators of environmental health?

Accepted Answer

They have permeable skin

Answer

They can fly

Answer

They live in extreme environments

Answer

They are top predators

Question 29

What is the unique feature of the skin of amphibians?

Accepted Answer

It is highly permeable to water and gases

Answer

It secretes feathers

Answer

It is thick and protective

Answer

It is covered in scales

Question 30

Which evolutionary development allowed fish to become more effective predators in their environments?

Accepted Answer

Jaws

Answer

Fins

Answer

Swim bladders

Answer

Scales

Question 31

What characteristic distinguishes cartilaginous fish from bony fish?

Accepted Answer

A skeleton made of cartilage

Answer

Scales covering their skin

Answer

Gills covered by a bony operculum

Answer

Swim bladders for buoyancy

Question 32

What is the primary purpose of the swim bladder in bony fish?

Accepted Answer

Buoyancy control

Answer

Reproduction

Answer

Respiration

Answer

Digestion

Question 33

What significant evolutionary adaptation allowed early fish to move onto land?

Accepted Answer

Lungs

Answer

Fins

Answer

Gills

Answer

Scales

Question 34

Which group of fish is considered the most ancient and primitive?

Accepted Answer

Jawless fish

Answer

Cartilaginous fish

Answer

Bony fish

Answer

Ray-finned fish

Related quizzes

Related quizzes