In males pelvic fins bear claspers in
1. Carcharodon
2. Pterophyllum
3. Exocoetus
4. Labeo
False statement with respect to Ascidia is
1. Present exclusively in marine water
2. It is a urochordate and notochord is present only in larval tail
3. It is a vertebrate because it has a notochord
4. It is a protochordate
Read the given features
(a) Presence of cnidoblasts
(b) Alternation of generation
(c) Extracellular and intracellular digestion
All of the above given features are observed in
1. Hydra
2. Physalia
3. Aurelia
4. Adamsia
Which of the following is a correct match with respect to members listed and corresponding taxon?
1. Earthworm, silkworm, hookworm – Annelida
2. Sea hare, sea lily, sea urchin – Echinodermata
3. Cuttle fish, devil fish, apple snail – Mollusca
4. Sea horse, flying fish, dog fish – Chondrichthyes
Select the incorrect option with respect to animal listed in column A and features exhibited in column B
Column A (Organism) |
Column B (Features) |
|
1. |
Psittacula |
Homeothermy, Air sacs to supplement respiration |
2. |
Panthera tigris |
Viviparity, Thecodont dentition |
3. |
Pleurobrachia |
Bioluminescence, Eight rows of ciliated comb plates |
4. |
Pristis |
Presence of operculum, Absence of air bladder |
Choose the correct statement
1. All members of phylum echinodermata are marine and parasitic
2. Bioluminescence is well marked in cnidarians
3. Ctenophores are strictly dioecious
4. Platyhelminthes possess organ level of organisation and an incomplete digestive tract
Presence of radula and feather like gills are the characteristic features of
1. Pila
2. Delphinus
3. Pavo
4. Rattus
Select the incorrect match with respect to group of animals and their taxon
1. Ichthyophis, Bufo, Hyla – Amphibia
2. Hippocampus, Exocoetus, – Osteichthyes Pterophyllum
3. Corvus, Chelone, Calotes – Reptilia
4. Pteropus, Equus, – Mammalia Delphinus
Choose the incorrect match with respect to animal, is phylum and two features
Animal |
Phylum |
Features |
|
1. |
Clarias |
Chordata |
Placoid scales, Operculum |
2. |
Antedon |
Echinodermata |
Water vascular system, Radial symmetry |
3. |
Locusta |
Arthropoda |
Jointed appendages, Open circulatory system |
4. |
Nereis |
Annelida |
Dioecious, Parapodia |
Match column I and column II with respect to animal and its common name
Column-I | Column-II | ||
(i) | Ancylostoma | (a) | Sea-hare |
(ii) | Aplysia | (b) | Sea anemone |
(iii) | Echinus | (c) | Sea urchin |
(iv) | Adamsia | (d) | Hookworm |
1. (i)→(a), (ii)→(b), (iii)→(c), (iv)→(d)
2. (i)→(d), (ii)→(b), (iii)→(a), (iv)→(c)
3. (i)→(d), (ii)→(c), (iii)→(a), (iv)→(b)
4. (i)→(d), (ii)→(a), (iii)→(c), (iv)→(b)