Identify the incorrectly matched pair:
Phylum |
Characteristic |
|
1. |
Porifera |
Water vascular system |
2. |
Ctenophora |
Bioluminescence |
3. |
Molluska |
Radula |
4. |
Annelida |
Closed circulatory system |
The animals belonging to all the following groups are exclusively marine except:
1. | Ctenophora | 2. | Porifera |
3. | Protochordata | 4. | Echinodermata |
Pinworm, Hookworm, and Filaria worm belong to:
1. | Annelida | 2. | Platyhelminthes |
3. | Aschelminthes | 4. | Arthropoda |
Insects are not characterized by:
1. The main body segments – head, thorax and abdomen
2. Three pairs of legs
3. Two pairs of antennae
4. Excretion by Malpighian tubules
In which one of the following, the genus name, its two characters and its, class/phylum are correctly matched?
Genus name | Two characters | Class/phylum | ||
1. | Ascaris | (a) (b) |
Body segmented Males and females distinct |
Annelida |
2. | Salamandra | (a) (b) |
A tympanum represents ear Fertilization is external |
Amphibia |
3. | Pteropus | (a) (b) |
Skin possesses hair Oviparous |
Mammalia |
4. | Aurelia | (a) (b) |
Cnidoblasts Organ level of organization |
Coelenterata |
Identify the correct statements regarding arthropods:
I: | All arthropods use internal fertilization |
II: | All arthropods lay eggs |
III: | All arthropods' embryos are segmented |
1. | Only II | 2. | Only III |
3. | Only I and II | 4. | None |
The larvae in echinoderms are:
I: | Radially symmetrical | II: | Free swimming |
1. | Only I | 2. | Only II |
3. | Both I and II | 4. | Neither I nor II |
The diagram below shows the body plan of a:
A typical reptilian heart is shown by the figure:
1. | 2. | ||
3. | 4. |
I: | They have a cellular level of organisation |
II: | Digestion is intracellular |
III: | Fertilization is external and development is direct |