Birds and mammals share one of the following characteristics as a common feature.
1. | Pigmented skin |
2. | Alimentary canal with some modification |
3. | Viviparity |
4. | Warm blooded nature |
Which one of the following sets of animals belongs to a single taxonomic group?
1. | Cuttlefish, Jellyfish, Silverfish, Dogfish, Starfish |
2. | Bat, Pigeon, Butterfly |
3. | Monkey, Chimpanzee, Man |
4. | Silkworm, Tapeworm, Earthworm |
Which one of the following statements is incorrect?
1. Mesoglea is present in between ectoderm and endoderm in Obelia
2. Radial symmetry is found in Asterias
3. Fasciola is a pseudocoelomate animal
4. Taenia is a triploblastic animal
Which one of the following statements is incorrect?
1. | In cockroaches and prawns, excretion of waste material occurs through malpighian tubules. |
2. | In ctenophores, locomotion is mediated by comb plates. |
3. | In Fasciola flame cells take part in excretion. |
4. | Earthworms are hermaphrodites and yet cross fertilization take place among them. |
Which one of the following is oviparous?
1. | Platypus | 2. | Flying fox (Bat) |
3. | Elephant | 4. | Whale |
Which one of the following is not a poisonous snake?
1. | Cobra | 2. | Viper |
3. | Python | 4. | Krait |
Match the following list of animals with their level of organization.
Division of Labour | Animal | ||
A. | Organ level | i. | Pheritima |
B. | Cellular aggregate level | ii. | Fasciola |
C. | Tissue level | iii. | Spongilla |
D. | Organ system level | iv. | Obelia |
Choose the correct match showing division of labour with animal example:
i | ii | iii | iv | |
1. | B | C | D | A |
2. | B | D | C | A |
3. | D | A | B | C |
4. | A | D | C | B |
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 |
‘Cephalization’ in animals was facilitated by evolution of:
1. Radial symmetry
2. Tissue grade organization
3. Bilateral symmetry
4. True coelom
Identify the correct statement:
1. All pseudocoelomates are protostomes
2. All bilaterally symmetrical animals have a coelom
3. All animals have at least a tissue grade organization
4. All radially symmetrical animals are diploblastic