phylum

Question 1

porifera is also known as

Answer 1

sponges/pore bearers

Question 2

which phylum has canal as circulatory system?

Answer 2

porifera

Question 3

pores of sponges

Answer 3

ostia

Question 4

canal system is lined up of -

Answer 4

choanocyte, flaggellated collar cells

Question 5

internal skeleton of sponge is made of

Answer 5

spicules + spongin fibre

Question 6

coral reef is commonly known as -

Answer 6

rain forest

Question 7

cnidaria is also known as -

Answer 7

flowers of the sea

Question 8

stinging cells of cnidaria

Answer 8

cnidoblast

Question 9

poisonous fliud filled cells in cnidaria

Answer 9

nematocyst

Question 10

central cavity of cnidaria is

Answer 10

gastrovascular cavity

Question 11

polymorphism of cnidaria

Answer 11

medusa and polyp

Question 12

platyhelminthes is commonly called

Answer 12

flat worm

Question 13

excretory system of platyhelminthes is made of

Answer 13

flame cell/ protonephrida

Question 14

proglottids is found in

Answer 14

platyhelminthes

Question 15

nematoda is also known as

Answer 15

thread worm, round worm

Question 16

“tube-in-a-tube” is a feature of

Answer 16

nematoda

Question 17

largest phylum in marine habitat

Answer 17

mollusca

Question 18

largest phylum

Answer 18

arthropoda

Question 19

second largest phylum

Answer 19

mollusca

Question 20

scientific study of mollusca

Answer 20

malacology/ conchology

Question 21

mouth w. ‘radula’ present in

Answer 21

mollusca

Question 22

which phylum has semi-opened type blood circulation

Answer 22

mollusca

Question 23

annelida is also known as

Answer 23

ring worm or segmented worm

Question 24

locomotory organ of annelida

Answer 24

setae, parapodia

Question 25

excretory organ of annelida

Answer 25

nephridia

Question 26

which phylum sheds chitinous exoskeleton by ecdysis process

Answer 26

arthropoda

Question 27

excretory organ of arthropoda

Answer 27

malphigian tubule

Question 28

ambulacral grooves is present in -

Answer 28

echinodermata

Question 29

circulatory system of echinodermata

Answer 29

haemal and perihaemal system

Question 30

locomotory organ of echino.

Answer 30

tube feet

Question 31

what is modified into gill or lung in adults

Answer 31

pharyngeal gill pouches

Question 32

which is transformed into thyroid gland in adult

Answer 32

endostyle in pharynx