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
Match the column I with column II and choose the correct option.
Column I |
Column II |
A. Porifera B. Aschelminthes C. Annelida D. Arthropoda E. Echinodermata |
1. Canal system 2. Water vascular system 3. Muscular Pharynx 4. Jointed appendages 5. Metameres |
Codes
Match options table format (options)
Options: | A | B | C | D | E |
1. | 2 | 3 | 5 | 4 | 1 |
2. | 2 | 5 | 3 | 4 | 1 |
3. | 1 | 3 | 5 | 4 | 2 |
4. | 1 | 5 | 3 | 4 | 2 |
Animal | Division of Labour |
i. Pheretima ii. Fasciola iii. Spongilla iv. Obelia |
A. Organ level B. Cellular aggregate level C. Tissue level D. Organ system level |
Which one of the following is not a poisonous snake?
1. Cobra
2. Viper
3. Python
4. Krait
Which one of the following is oviparous?
1. Platypus
2. Flying fox (bat)
3. Elephant
4. Whale
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 takes place among them.
Which one of the following statements is incorrect?
1. | Mesoglea is present in between ectoderm and endoderm in Obelia |
2. | Asterias exhibits radial symmetry |
3. | Fasciola is a pseudocoelomate animal |
4. | Taenia is a triploblastic animal |
Which one of the following sets of animals belong to a single taxonomic group?
1. Cuttlefish, jellyfish, silverfish, dogfish, starfish
2. bat, pigeon, butterfly
3. Monkey, chimpanzee, man
4. Silkworm, tapeworm, earthworm
Birds and mammals share one of the following characteristics as a common feature.
1. Pigmented skin
2. Pneumatic bones
3. Viviparity
4. Warm blooded body
Which of the following pairs of animals has non-glandular skin?
1. Snake and frog
2. Chameleon and turtle
3. Frog and pigeon
4. Crocodile and tiger