Porifera Cnidaria

Question 1

Porifera animals are found in

Answer 1

Aquatic, generally marine but few are found in fresh water( spongila)

Question 2

Porifera are

Answer 2

Sessile solitary colonial

Question 3

Pores

Answer 3

Numerous mouth lets called. Ostia
One opening for exit called. Osculum

Question 4

Porifera shape

Answer 4

Irregular shapes like flower vase cylindrical

Question 5

Porifera symmetry
Exception

Answer 5

Asymmetrical
Radial symmetry in leucosolenia sycon

Question 6

Ectoderm Porifera

Answer 6

Outer pinacoderm ( pinacocytes] flat cell

Question 7

Endoderm (Porifera)

Answer 7

Inner chanoderm [coller calls or chanocytes) flagella at ed

Question 8

Characteristic of Porifera

Answer 8

Choanocytes

Question 9

Mesenchyme( Porifera)

Answer 9

Amoebocytes

Question 10

Spongocoel also known as

Answer 10

Paragastric cavity with small cavitied canals

Question 11

Water transport Porifera also responsible for

Answer 11

Food gathering, respiratory exchange removal of waste

Question 12

Changestes (Porifera)

Answer 12

Collar cells with flagella line the spongocoel and canals

Question 13

Digestion Porifera

Answer 13

Intracellor occurs in food vacuoles of. Choanocytes
Nutrition is holozoic

Question 14

Amolboïd. cells Porifera fn

Answer 14

Distribution of food from collar cells to other cells is brought by movable trophocytes

Question 15

Skeleton of Porifera

Answer 15

The body is supported by skeleton made up of spicules / spongin fibres
Skeleton is internal mesenchyme [endoskeleton]

Question 16

Spicules
Spongin fibres

Answer 16

Scleroblasts
Spongioblasts

Question 17

Respiration excretion Cnidaria

Answer 17

Diffusion of gases through body surface

Question 18

Porifera cnidaria excretory matter

Answer 18

Ammonia

Question 19

Sexuality of portra

Answer 19

Hermaphrodite

Question 20

A sexual Porifera

Answer 20

Fragmentation and budding

Question 21

Exogenous

Answer 21

Favourable condition

Question 22

Endogenous

Answer 22

Unfavourable
Gemmules contain archaeolyte cell covered by thick protective coat

Question 23

Protogynous condition

Answer 23

Fertilisation is internal and cross

Question 24

Leucosolenia
Larva.
Also known as

Answer 24

Parenchymla larva
Smallest sponge

Question 25

Sycon Larva Also known as

Answer 25

Amphiblastula larva Sycpha

Question 26

Fresh water sponge Bath sponge

Answer 26

Spongilla Euspongia

Question 27

Bridal gift in japan

Answer 27

Euplectella - Venus flower basket

Question 28

Harmful to pearl industry

Answer 28

Cliona - boring sponge

Question 29

Coelenterate are found in Symmetry Nutrition

Answer 29

Mostly marine few are fresh-water [Hydra] Radial. Symmetry Corrnívoros

Question 30

Cmidoblasts are and +nt in

Answer 30

Cardocytes (which contain stinging capsule or nematocysts) +nt on tentacles and body

Question 31

Chidoblats used

Answer 31

For anchorage, defence and for capture of prey

Question 32

Cnidarians exhibit

Answer 32

Tissue level of organisation Diploblastic

Question 33

Interstitial cells [.coelentratia ]

Answer 33

Present in ectoderm endoderm of body wall are totipotant cells

Question 34

Cnidaria cavity with ______ Mouth

Answer 34

Central gastrovascular cavity with single opening mouth on hypotosme Blind Sal

Question 35

Digestion of cnidarians

Answer 35

Extracellular [coelenteron ) Intracelluler [food vacuole of gastro dermal cells ] Mouth and body surface

Question 36

Calenteron fn

Answer 36

Responsible for distribution of food besides partly digesting it

Question 37

Skeleton of cnidarian

Answer 37

Corals have skeleton composed of calcium carbonate

Question 38

Dim.or.phic.

Answer 38

Basic body forms = polyp and Medusa

Question 39

Polyp Example

Answer 39

Hydra. Adamsia Cylindrical Sessile some motile Solitary / colonial

Question 40

Polyp direction of

Answer 40

Mouth and tentacles Asexual

Question 41

Medusa example

Answer 41

Aurelia or jelly fish Umbrella Free swimming Always solitary

Question 42

Medusa tentacles mouth and reproduce by

Answer 42

Directed downward Sexual form

Question 43

Metagenesis And it’s example

Answer 43

Polyps ➡️ Medusa asexually Medusa ➡️ polyps sexually Obelia physalis

Question 44

Nervous system of cnidarians

Answer 44

Diff used type Consist of non-poles(apolar]

Question 45

Larva of obelia

Answer 45

Planula

Question 46

Larva of Aurelia

Answer 46

Ephyra

Question 47

Portugues man of war sea pen/ sea Feather

Answer 47

Physalis Pennatula

Question 48

Sea anemone Brain coral

Answer 48

Adamsia Mandarina

Question 49

Gorgonia

Answer 49

Sea fan