Page 2 - 3.Home assignment-I (Obj&Subj)-Animalia 1

Which of the four students done the labelling correctly?
(a) Student P: A- Tentacle; B- Gastrodermis; C- Bud; D- Mouth; E-
Young hydra.
(b) Student Q: A- Tentacle; B- Mouth; C- Gastrodermis; D- Young
hydra; E- Bud.
(c) Student R: A- Young hydra; B- Mouth; C- Tentacle; D- Bud; E-
Gastrodermis.
(d) Student S: A- Tentacle; B- Mouth; C- Young hydra; D- Bud; E-
Gastrodermis.

6 Cellular level of organisation is seen in 1
a. Hydra
b. Sea anemone
c. Sycon
d. Planaria

7 Pseudocoelom is found in 1
a. Ascaris
b. planaria
c. Liver fluke
d. Hydra

8 Which of the following does not belong to the phylum coelenterata 1
a. Hydra
b. Sea anemone
c. Sponges
d. Jelly fish

9 Which of the following is endoparasite by nature 1
a. filarial worm
b. Spongilla
c. Hydra
d. Corals
10 Tentacles in hydra help in 1
i. locomotion
ii. food capturing
iii. reproduction
iv. respiration