segmentation is the main feature of a. Annelida b. Echinodermata c. Arthropoda d.
Coelenterata . In Pheretima locomotion occurs with the help of a. circular muscles b. longitudinal muscles and setae c.
circular, longitudinal muscles and setae d. parapodia . Which of the following have the highest number of species in nature? a.
Insects b. Birds c. Angiosperms d. Fungi .
Which of the following is a crustacean? a. Prawn b. Snail c.
Sea anemone d. Hydra . The respiratory pigment in cockroach is a. Haemoglobin b.
Haemocyanin c. Haemoerythrin d. None of the above . Exoskeleton of which phylum consists of chitinous cuticle?
a. Annelida b. Porifera c. Arthropoda d.
Echinodermata . Lateral line sense organs occur in a. Salamander b. Frog c.
Water snake d. Fish . The limbless amphibian is a. Icthyophis b.
Hyla c. Rana d. Salamander . Four chambered heart is present in a.
Lizard b. Snake c. Scorpion d. Crocodile .
Which of the following is not correctly paired? a. Humans – Ureotelic b. Birds – Uricotelic c.
Lizards – Uricotelic d. Whale – Ammonotelic . Which of the following is an egg laying mammal? a.
Delphinus b. Macropus c. Ornithorhynchus d. Equus .
Pneumatic bones are seen in a. Mammalia b. Aves c. Reptilia d.
Sponges . Match the following columns and select the correct option. Column – I Column – II (p) Pila (i) Devil fish (q) Dentalium (ii) Chiton (r) Chaetopleura (iii) Apple snail (s) Octopus (iv) Tusk shell a. p – (ii), q – (i), r – (iii), s – (iv) b.
p – (iii), q – (iv), r – (ii), s – (i) c. p – (ii), q – (iv), r – (i), s – (iii) d. p – (i), q – (ii), r – (iii), s – (iv) . In which of the following phyla, the adult shows radial symmetry but the larva shows bilateral symmetry?
a. Mollusca b. Echinodermata c. Arthropoda d.
Annelida . Which of the following is correctly matched? a. Physalia – Portugese man of war b.
Pennatula – Sea fan c. Adamsia – Sea