Which one of the following is not a poisonous snake?
1. | Cobra | 2. | Viper |
3. | Python | 4. | Krait |
Body cavity is the cavity present between body wall and gut wall. In some animals, the body cavity is not lined by mesoderm. Such animals are called
1. | Acoelomate | 2. | Pseudocoelomate |
3. | Coelomate | 4. | Haemocoelomate |
Triploblastic organization, bilateral symmetry but lack of coelom will be seen in:
1. | Planaria | 2. | Pheretima |
3. | Periplaneta | 4. | Pinctada |
The number of correct statements regarding hemichordates from the given is:
I. | A stomochord is present in the collar region |
II. | Circulation is of open type |
III. | Excretory organ is proboscis gland |
IV. | Development is indirect |
1. | 1 | 2. | 2 |
3. | 3 | 4. | 4 |
Water exits from a sponge through the:
1. | Spicule | 2. | Choanocyte |
3. | Amoebocyte | 4. | Osculum |
Icthyophis is a/an:
1. Tunicate chordate | 2. Flightless bird |
3. Limbless amphibian | 4. Egg-laying mammal |
Pinworm, Hookworm, and Filaria worm belong to:
1. | Annelida | 2. | Platyhelminthes |
3. | Aschelminthes | 4. | Arthropoda |
Euplectella [Venus Flower Basket], shown in the figure below, belongs to:
1. | Porifera | 2. | Cnidaria |
3. | Ctenophora | 4. | Platyhelminthes |
Flame cells are excretory structures seen in:
1. | Platyhelminthes | 2. | Annelids |
3. | Arthropods | 4. | Cnidarians |
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