Name of the phylum Annelida is based on which (1) Tubifex (2) Aphrodite
characterstic feature? (3) "Megascolex (4) Hirudinaria
(1) Respiraion Ihrough skin 7. Read the following features.
(2) Body segmentation a. Neurogenic heart
(3) Triploblastic nature b. Haemocoel
(4) Nephridia as excretory structure C. Parapodia with selae is locomotory structur
Locomotory strusture of Leech is/are . Double ventral nerve cord
Which of the above is/are characteristic feature
(1) Parapodla (2) Setae
of pheretima?
(3) Muscle (4) All of 1hese (2) a and c only
(1) Only a
Choose the corract match.
(3) a and d only (4) a, c and d
Column- Column-1 8. In Annelida, respiratory pigment is
(1) Nereis Internal ferlilisation (1) Involved in transporting hormones along w
(2) Pheretima Internal ferlilisation
(3) Hirudinaria Internal fertilisation (2) Absent and 0, is transported mostly
dissolved form
(4) Periplaneta External fertilisatiorn
(3) Located inside RBC like vertebrates
Excretory waste of Pheretima is
(4) Dissolved in plasma
(1) Ammonia (2) Urea
9. Nephridia in Annelida help is
(3) Uric acid (4) Both (1) and (2)
(1) Excretion (2) Osmoregulation
Consider the fol owing characteristic features.
(3) Absorption (4) Both (1) and (2)
a. Closed vascular system
10. Which of the following is a correct matc
b. External fertilisation between organism and its respective respirato
C. Dioecious structure?
d. Double ventral nerve cord Organism Respiratory
The above features characterise structure&
(1)Leech (2) Earthworm (1) Prawn Tracheal system
(3) Sandworm (4) Bloodworm (2) King crab Book lungs
Which of the following is a sanguivore and Gills
(3) Scorpion
characlerised by th6 presence ofbotryoidal (4) Cenlipede Tracheal syslem
tissue?