Quiz 1 - 3

Question 1

Correct chronology of vertebrate kidney

Answer 1

• Archinephros
• Pronephros
• Mesonephros
• Metanephros

Question 2

The removal of metabolic wastes such as carbon dioxide, water, salts and urea

Answer 2

excretion

Question 3

Which statement is true?

a. filtration of the blood occurs in the nephric tubules
b. more metabolic wastes are removed from the blood by secretion than by filtration
c. most of the filtered materials are secreted back into the blood
d. the volume of urine can still be adjusted in the bladder

Answer 3

b. more metabolic wastes are removed from the blood by secretion than by filtration

Question 4

osmoconformers tightly regulate a constant body osmolarity

True or False

Answer 4

False

Question 5

Malpighian tubules are unique excretory structure of

Answer 5

• insects

Question 6

negative feedback loops

a. purposeful pushes above set values
b. are rare
c. counteract a change to bring it back to normal set values
d. help with childbirth

Answer 6

c. counteract a change to bring it back to normal set values

Question 7

antennal glands are basic nephridial organ of

Answer 7

crustaceans

Question 8

how are the lungs associated with the excretory system

a. they help the flow of blood
b. they take in oxygen
c. help you urinate faster
d. they remove a small fraction of carbon dioxide as gaseous waste

Answer 8

d. they remove a small fraction of carbon dioxide as gaseous waste

Question 9

Place the following events in sequence:
a. urine passes through the ureters
b. urea enters the kidneys
c. urine enters the urethra

a. B, A, C
b. B, C, A
c. C, B, A
d. A, C, B

Answer 9

a. B, A, C

Question 10

Homeostasis

a. allows for a constantly fluctuating internal environment
b. maintains a relatively stable internal environment by feedback regulation
c. maintains a relatively stable external environment by feedback regulation
d. keeps the conditions of both internal and external environments similar

Answer 10

b. maintains a relatively stable internal environment by feedback regulation

Question 11

Positive feedback loops

a. counteract changes that move above or below set values
b. regulate body temperature
c. more common
d. purposeful pushes above normal set values

Answer 11

d. purposeful pushes above normal set values

Question 12

During which process is 99% of the water return to the blood vessels

Answer 12

reabsorption

Question 13

the three stages of urine production

Answer 13

• filtration
• reabsorption
• secretion

Question 14

both endothermic and ectothermic animals produce heat from cellular metabolism

true or false

Answer 14

true

Question 15

where urine is stored temporarily

Answer 15

urinary bladder

Question 16

osmoregulation in unicellular organisms involve a subcellular structure called

Answer 16

contractile vacuole

Question 17

if the environment gets cold, we will often shiver in order to

Answer 17

increase body temperature

Question 18

which of the following mainly excretes nitrogenous waste, water and salts

a. skin
b. kidney
c. lungs
d. gall bladder

Answer 18

b. kidney

Question 19

the kidneys are responsible for

Answer 19

filtering blood

Question 20

the development of unfertilized egg into a new individual is known as

Answer 20

parthenogenesis

Question 21

the process by which spherical spermatids assume its mature form

Answer 21

spermiogenesis

Question 22

amplexus is characteristic of reproduction in

Answer 22

frogs

Question 23

an organism reproducing by growing a miniature version of itself on its body is known as

Answer 23

budding

Question 24

the offspring develops within the body of the mother and gets its nourishment from the placenta

Answer 24

viviparity

Question 25

which is not true about asexual reproduction a. genetic variety is increased b. there is only one parent c. budding and binary fission are examples d. may be an advantage in stable environments

Answer 25

a. genetic variety is increased

Question 26

the organ where sperm matures

Answer 26

epididymis

Question 27

which is not an asexual reproductive method a. parthenogenesis b. broadcast spawning c. fission d. budding

Answer 27

b. broadcast spawning

Question 28

a type of asexual reproduction where a body part breaks off and regenerates

Answer 28

fragmentation

Question 29

what sex cell does a male have

Answer 29

sperm

Question 30

which of the following is true regarding the benefits of sexual and asexual reproduction a. sexual reproduction leads to greater genetic diversity b. sexually reproducing animals evolve more slowly c. asexual reproduction works best for animals that move around d. all of the above are true

Answer 30

a. sexual reproduction leads to greater genetic diversity

Question 31

having both male and female sex organs in a single individual is known as being

Answer 31

hermaphroditic

Question 32

genetically identical offspring of asexual reproduction are known as

Answer 32

clones

Question 33

which of these hormones are not essential in maintaining pregnancy a. pituitary gonadotropins b. progesterone c. estrogen d. human chorionic gonadotropin

Answer 33

a. pituitary gonadotropins

Question 34

which is not a significant factor that affects the success rate of animal reproduction a. predation b. environment c. human interaction d. species attraction

Answer 34

d. species attraction

Question 35

the ovarian cycle refers to the changes in the uterus usually on a monthly basis true or false

Answer 35

false

Question 36

a structure in the spermatozoon that contains hydrolytic enzymes used to penetrate the egg cell membranes

Answer 36

acrosome

Question 37

an animal starts its life stages as a female first and then shifts to being male in later stage

Answer 37

hermaphroditic

Question 38

the birth canal is also known as the female's

Answer 38

vagina

Question 39

an asexual method of reproduction used by single-celled organisms

Answer 39

binary fission

Question 40

a body system that controls and coordinates all body activities through electrical impulses/messages between brain, spinal cord and nerves

Answer 40

nervous system

Question 41

physical injuries, like a major car accident, can be very dangerous to nervous system health. how?

Answer 41

damaged nerves cannot send or receive signals

Question 42

which type of neuron causes a muscle to contract in a reflex arc

Answer 42

motor neuron

Question 43

carry messages away from the CNS and out to the muscles or glands

Answer 43

motor

Question 44

two neurons connect at a place called

Answer 44

synapse

Question 45

a reflex signal must travel to the brain before a response to the stimulus can occur true or false

Answer 45

false

Question 46

body system that controls growth and homeostasis by secreting hormones from glands

Answer 46

endocrine system

Question 47

what is the insulating membrane that surrounds parts of the axon that helps protect & propagate action potential

Answer 47

myelin sheath

Question 48

signal molecule that transmits nerve impulses across synapses

Answer 48

neurotransmitter

Question 49

reflex action are important because a. they provide a quick involuntary response b. they prevent injury c. they are essential to the survival of organisms d. all of the above

Answer 49

d. all of the above

Question 50

salivary glands are an example of

Answer 50

an effector

Question 51

negative feedback loops

Answer 51

prevent small changes from getting larger

Question 52

organ of the endocrine system that secretes hormones

Answer 52

glands

Question 53

example of a reflex action

Answer 53

touching a hot stove

Question 54

when glucagon is released, which of the following occurs a. glucose undergoes condensation reactions b. glycogen undergoes hydrolysis

Answer 54

b. glycogen undergoes hydrolysis

Question 55

after seeing a moth, a frog uses its tongue to catch it. this is an example of

Answer 55

responding to a stimulus

Question 56

only 2 parts of the body included in the CNA

Answer 56

brain and spinal cord

Question 57

chemical made by glands that tell cells to make something or respond in some way

Answer 57

hormone

Question 58

what is a reflex

Answer 58

automatic movement in response to a stimulus

Question 59

group of organisms that use the process of homeostasis

Answer 59

all living things

Question 60

how are hormones transported through the body

Answer 60

through the bloodstream

Question 61

which hormone decreases blood glucose concentration

Answer 61

insulin

Question 62

which is not a function of the nervous system

Answer 62

secreting hormones

Question 63

a polysaccharide that stores glucose in animals is called

Answer 63

glycogen