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 |
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
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. | 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 one of the following sets of animals share a four chambered heart?
1. Amphibian, Reptiles, Birds
2. Crocodiles, Birds, Mammals
3. Crocodiles, Lizards, Turtles
4. Lizards, Mammals, Birds
In some animal groups, the body is found divided into compartments with at least some organs. This characteristic feature is called
1. Segmentation
2. Metamerism
3. Metagenesis
4. Metamorphosis
Match the following group of organisms with their respective distinctive characteristics and select the correct option:
Organisms |
Characteristics |
||
(a) |
Platyhelminthes |
(i) |
Cylindrical body with no segmentation |
(b) |
Echinoderms |
(ii) |
Warm blooded animals with direct development |
(c) |
Hemichordates |
(iii) |
Bilateral symmetry with incomplete digestive system |
(d) |
Aves |
(iv) |
Radial symmetry with indirect development |
Options: | (a) | (b) | (c) | (d) |
1. | (iii) | (iv) | (i) | (ii) |
2. | (ii) | (iii) | (iv) | (i) |
3. | (iv) | (i) | (ii) | (iii) |
4. | (i) | (ii) | (iii) | (iv) |