Which of the following animals are true coelomates with bilateral symmetry ?
1. Adult Echinoderms
2. Aschelminthes
3. Platyhelminthes
4. Annelids
Match the following genera with their respective phylum :
Column I | Column II | ||
(a) | Ophiura | (i) | Mollusca |
(b) | Physalia | (ii) | Platyhelminthes |
(c) | Pinctada | (iii) | Echinodermata |
(d) | Planaria | (iv) | Coelenterata |
Options: | (a) | (b) | (c) | (d) |
1. | iv | i | iii | ii |
2. | iii | iv | i | ii |
3. | i | iii | iv | ii |
4. | iii | iv | ii | i |
Which of the following worm infection is unlikely to result in the inflammation of the intestinal tract?
1. tapeworm
2. threadworm
3. pin worm
4. filarial worm
The character that gives the Phylum Chordata its name is shown by:
1. A
2. B
3. C
4. D
The structure shown in the given diagram is characteristically seen in the Phylum:
1. Porifera
2. Ctenophora
3. Cnidaria
4. Molluska
Exoskeleton is absent in:
(i) fishes (ii) frog
(iii) rabbit (iv) toad
(1) (i), (ii) (2) (ii), (iii)
(3) (i), (iii) (4) (ii), (iv)
In Planaria, waste material of food digestion and Nitrogenous waste material removed from
1. Mouth and mouth
2. Body wall and body wall
3. Mouth and Flame-cell
4. Mouth and Body wall
Which one of the following is not the function of cnidoblasts (sting cell)?
1. Anchorage
2. Defense
3. Caputure of prey
4. Reproduction
Open circulatory system is present in ?
1. Nereis
2. Ascidia
3. Octopus
4. Branchiostoma
Identify the following diagrams and these represent:
1. (a) radial symmetry, (b) bilateral symmetry
2. (a) bilateral symmetry, (b) radial symmetry
3. (a) asymmetrical, (b) radial symmetry
4. (a) bilateral symmetry, (b) asymmetrical